diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt
index 67310fb..c2a0871 100644
--- a/Documentation/filesystems/ocfs2.txt
+++ b/Documentation/filesystems/ocfs2.txt
@@ -31,7 +31,6 @@
 	- quotas
 	- Directory change notification (F_NOTIFY)
 	- Distributed Caching (F_SETLEASE/F_GETLEASE/break_lease)
-	- POSIX ACLs
 
 Mount options
 =============
@@ -79,3 +78,5 @@
 			bits of significance.
 user_xattr	(*)	Enables Extended User Attributes.
 nouser_xattr		Disables Extended User Attributes.
+acl			Enables POSIX Access Control Lists support.
+noacl		(*)	Disables POSIX Access Control Lists support.
diff --git a/MAINTAINERS b/MAINTAINERS
index befacf0..141aff6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4015,10 +4015,12 @@
 W:	http://alsa-project.org/main/index.php/ASoC
 S:	Supported
 
-SPARC (sparc32)
-P:	William L. Irwin
-M:	wli@holomorphy.com
+SPARC + UltraSPARC (sparc/sparc64)
+P:	David S. Miller
+M:	davem@davemloft.net
 L:	sparclinux@vger.kernel.org
+T:	git kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6.git
+T:	git kernel.org:/pub/scm/linux/kernel/git/davem/sparc-next-2.6.git
 S:	Maintained
 
 SPECIALIX IO8+ MULTIPORT SERIAL CARD DRIVER
@@ -4302,13 +4304,6 @@
 L:	linux-kernel@vger.kernel.org
 S:	Maintained
 
-UltraSPARC (sparc64)
-P:	David S. Miller
-M:	davem@davemloft.net
-L:	sparclinux@vger.kernel.org
-T:	git kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6.git
-S:	Maintained
-
 ULTRA-WIDEBAND (UWB) SUBSYSTEM:
 P:	David Vrabel
 M:	david.vrabel@csr.com
diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h
index ff6cd14..ad6d98d 100644
--- a/arch/arm/mach-omap2/clock24xx.h
+++ b/arch/arm/mach-omap2/clock24xx.h
@@ -2321,7 +2321,7 @@
 };
 
 static struct clk i2chs2_fck = {
-	.name		= "i2chs_fck",
+	.name		= "i2c_fck",
 	.id		= 2,
 	.parent		= &func_96m_ck,
 	.flags		= CLOCK_IN_OMAP243X,
@@ -2354,7 +2354,7 @@
 };
 
 static struct clk i2chs1_fck = {
-	.name		= "i2chs_fck",
+	.name		= "i2c_fck",
 	.id		= 1,
 	.parent		= &func_96m_ck,
 	.flags		= CLOCK_IN_OMAP243X,
diff --git a/arch/parisc/include/asm/module.h b/arch/parisc/include/asm/module.h
index c2cb49e..1f41234 100644
--- a/arch/parisc/include/asm/module.h
+++ b/arch/parisc/include/asm/module.h
@@ -23,8 +23,10 @@
 {
 	unsigned long got_offset, got_count, got_max;
 	unsigned long fdesc_offset, fdesc_count, fdesc_max;
-	unsigned long stub_offset, stub_count, stub_max;
-	unsigned long init_stub_offset, init_stub_count, init_stub_max;
+	struct {
+		unsigned long stub_offset;
+		unsigned int stub_entries;
+		} *section;
 	int unwind_section;
 	struct unwind_table *unwind;
 };
diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
index 44138c3..9013243 100644
--- a/arch/parisc/kernel/module.c
+++ b/arch/parisc/kernel/module.c
@@ -6,6 +6,7 @@
  *
  *    Linux/PA-RISC Project (http://www.parisc-linux.org/)
  *    Copyright (C) 2003 Randolph Chung <tausq at debian . org>
+ *    Copyright (C) 2008 Helge Deller <deller@gmx.de>
  *
  *
  *    This program is free software; you can redistribute it and/or modify
@@ -24,6 +25,19 @@
  *
  *
  *    Notes:
+ *    - PLT stub handling
+ *      On 32bit (and sometimes 64bit) and with big kernel modules like xfs or
+ *      ipv6 the relocation types R_PARISC_PCREL17F and R_PARISC_PCREL22F may
+ *      fail to reach their PLT stub if we only create one big stub array for
+ *      all sections at the beginning of the core or init section.
+ *      Instead we now insert individual PLT stub entries directly in front of
+ *      of the code sections where the stubs are actually called.
+ *      This reduces the distance between the PCREL location and the stub entry
+ *      so that the relocations can be fulfilled.
+ *      While calculating the final layout of the kernel module in memory, the
+ *      kernel module loader calls arch_mod_section_prepend() to request the
+ *      to be reserved amount of memory in front of each individual section.
+ *
  *    - SEGREL32 handling
  *      We are not doing SEGREL32 handling correctly. According to the ABI, we
  *      should do a value offset, like this:
@@ -58,9 +72,13 @@
 #define DEBUGP(fmt...)
 #endif
 
+#define RELOC_REACHABLE(val, bits) \
+	(( ( !((val) & (1<<((bits)-1))) && ((val)>>(bits)) != 0 )  ||	\
+	     ( ((val) & (1<<((bits)-1))) && ((val)>>(bits)) != (((__typeof__(val))(~0))>>((bits)+2)))) ? \
+	0 : 1)
+
 #define CHECK_RELOC(val, bits) \
-	if ( ( !((val) & (1<<((bits)-1))) && ((val)>>(bits)) != 0 )  ||	\
-	     ( ((val) & (1<<((bits)-1))) && ((val)>>(bits)) != (((__typeof__(val))(~0))>>((bits)+2)))) { \
+	if (!RELOC_REACHABLE(val, bits)) { \
 		printk(KERN_ERR "module %s relocation of symbol %s is out of range (0x%lx in %d bits)\n", \
 		me->name, strtab + sym->st_name, (unsigned long)val, bits); \
 		return -ENOEXEC;			\
@@ -92,13 +110,6 @@
 	return in_init(me, loc) || in_core(me, loc);
 }
 
-static inline int in_local_section(struct module *me, void *loc, void *dot)
-{
-	return (in_init(me, loc) && in_init(me, dot)) ||
-		(in_core(me, loc) && in_core(me, dot));
-}
-
-
 #ifndef CONFIG_64BIT
 struct got_entry {
 	Elf32_Addr addr;
@@ -258,23 +269,42 @@
 /* Free memory returned from module_alloc */
 void module_free(struct module *mod, void *module_region)
 {
+	kfree(mod->arch.section);
+	mod->arch.section = NULL;
+
 	vfree(module_region);
 	/* FIXME: If module_region == mod->init_region, trim exception
            table entries. */
 }
 
+/* Additional bytes needed in front of individual sections */
+unsigned int arch_mod_section_prepend(struct module *mod,
+				      unsigned int section)
+{
+	/* size needed for all stubs of this section (including
+	 * one additional for correct alignment of the stubs) */
+	return (mod->arch.section[section].stub_entries + 1)
+		* sizeof(struct stub_entry);
+}
+
 #define CONST 
 int module_frob_arch_sections(CONST Elf_Ehdr *hdr,
 			      CONST Elf_Shdr *sechdrs,
 			      CONST char *secstrings,
 			      struct module *me)
 {
-	unsigned long gots = 0, fdescs = 0, stubs = 0, init_stubs = 0;
+	unsigned long gots = 0, fdescs = 0, len;
 	unsigned int i;
 
+	len = hdr->e_shnum * sizeof(me->arch.section[0]);
+	me->arch.section = kzalloc(len, GFP_KERNEL);
+	if (!me->arch.section)
+		return -ENOMEM;
+
 	for (i = 1; i < hdr->e_shnum; i++) {
-		const Elf_Rela *rels = (void *)hdr + sechdrs[i].sh_offset;
+		const Elf_Rela *rels = (void *)sechdrs[i].sh_addr;
 		unsigned long nrels = sechdrs[i].sh_size / sizeof(*rels);
+		unsigned int count, s;
 
 		if (strncmp(secstrings + sechdrs[i].sh_name,
 			    ".PARISC.unwind", 14) == 0)
@@ -290,11 +320,23 @@
 		 */
 		gots += count_gots(rels, nrels);
 		fdescs += count_fdescs(rels, nrels);
-		if(strncmp(secstrings + sechdrs[i].sh_name,
-			   ".rela.init", 10) == 0)
-			init_stubs += count_stubs(rels, nrels);
-		else
-			stubs += count_stubs(rels, nrels);
+
+		/* XXX: By sorting the relocs and finding duplicate entries
+		 *  we could reduce the number of necessary stubs and save
+		 *  some memory. */
+		count = count_stubs(rels, nrels);
+		if (!count)
+			continue;
+
+		/* so we need relocation stubs. reserve necessary memory. */
+		/* sh_info gives the section for which we need to add stubs. */
+		s = sechdrs[i].sh_info;
+
+		/* each code section should only have one relocation section */
+		WARN_ON(me->arch.section[s].stub_entries);
+
+		/* store number of stubs we need for this section */
+		me->arch.section[s].stub_entries += count;
 	}
 
 	/* align things a bit */
@@ -306,18 +348,8 @@
 	me->arch.fdesc_offset = me->core_size;
 	me->core_size += fdescs * sizeof(Elf_Fdesc);
 
-	me->core_size = ALIGN(me->core_size, 16);
-	me->arch.stub_offset = me->core_size;
-	me->core_size += stubs * sizeof(struct stub_entry);
-
-	me->init_size = ALIGN(me->init_size, 16);
-	me->arch.init_stub_offset = me->init_size;
-	me->init_size += init_stubs * sizeof(struct stub_entry);
-
 	me->arch.got_max = gots;
 	me->arch.fdesc_max = fdescs;
-	me->arch.stub_max = stubs;
-	me->arch.init_stub_max = init_stubs;
 
 	return 0;
 }
@@ -380,23 +412,27 @@
 };
 
 static Elf_Addr get_stub(struct module *me, unsigned long value, long addend,
-	enum elf_stub_type stub_type, int init_section)
+	enum elf_stub_type stub_type, Elf_Addr loc0, unsigned int targetsec)
 {
-	unsigned long i;
 	struct stub_entry *stub;
 
-	if(init_section) {
-		i = me->arch.init_stub_count++;
-		BUG_ON(me->arch.init_stub_count > me->arch.init_stub_max);
-		stub = me->module_init + me->arch.init_stub_offset + 
-			i * sizeof(struct stub_entry);
-	} else {
-		i = me->arch.stub_count++;
-		BUG_ON(me->arch.stub_count > me->arch.stub_max);
-		stub = me->module_core + me->arch.stub_offset + 
-			i * sizeof(struct stub_entry);
+	/* initialize stub_offset to point in front of the section */
+	if (!me->arch.section[targetsec].stub_offset) {
+		loc0 -= (me->arch.section[targetsec].stub_entries + 1) *
+				sizeof(struct stub_entry);
+		/* get correct alignment for the stubs */
+		loc0 = ALIGN(loc0, sizeof(struct stub_entry));
+		me->arch.section[targetsec].stub_offset = loc0;
 	}
 
+	/* get address of stub entry */
+	stub = (void *) me->arch.section[targetsec].stub_offset;
+	me->arch.section[targetsec].stub_offset += sizeof(struct stub_entry);
+
+	/* do not write outside available stub area */
+	BUG_ON(0 == me->arch.section[targetsec].stub_entries--);
+
+
 #ifndef CONFIG_64BIT
 /* for 32-bit the stub looks like this:
  * 	ldil L'XXX,%r1
@@ -489,15 +525,19 @@
 	Elf32_Addr val;
 	Elf32_Sword addend;
 	Elf32_Addr dot;
+	Elf_Addr loc0;
+	unsigned int targetsec = sechdrs[relsec].sh_info;
 	//unsigned long dp = (unsigned long)$global$;
 	register unsigned long dp asm ("r27");
 
 	DEBUGP("Applying relocate section %u to %u\n", relsec,
-	       sechdrs[relsec].sh_info);
+	       targetsec);
 	for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
 		/* This is where to make the change */
-		loc = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
+		loc = (void *)sechdrs[targetsec].sh_addr
 		      + rel[i].r_offset;
+		/* This is the start of the target section */
+		loc0 = sechdrs[targetsec].sh_addr;
 		/* This is the symbol it is referring to */
 		sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
 			+ ELF32_R_SYM(rel[i].r_info);
@@ -569,19 +609,32 @@
 			break;
 		case R_PARISC_PCREL17F:
 			/* 17-bit PC relative address */
-			val = get_stub(me, val, addend, ELF_STUB_GOT, in_init(me, loc));
+			/* calculate direct call offset */
+			val += addend;
 			val = (val - dot - 8)/4;
-			CHECK_RELOC(val, 17)
+			if (!RELOC_REACHABLE(val, 17)) {
+				/* direct distance too far, create
+				 * stub entry instead */
+				val = get_stub(me, sym->st_value, addend,
+					ELF_STUB_DIRECT, loc0, targetsec);
+				val = (val - dot - 8)/4;
+				CHECK_RELOC(val, 17);
+			}
 			*loc = (*loc & ~0x1f1ffd) | reassemble_17(val);
 			break;
 		case R_PARISC_PCREL22F:
 			/* 22-bit PC relative address; only defined for pa20 */
-			val = get_stub(me, val, addend, ELF_STUB_GOT, in_init(me, loc));
-			DEBUGP("STUB FOR %s loc %lx+%lx at %lx\n", 
-			       strtab + sym->st_name, (unsigned long)loc, addend, 
-			       val)
+			/* calculate direct call offset */
+			val += addend;
 			val = (val - dot - 8)/4;
-			CHECK_RELOC(val, 22);
+			if (!RELOC_REACHABLE(val, 22)) {
+				/* direct distance too far, create
+				 * stub entry instead */
+				val = get_stub(me, sym->st_value, addend,
+					ELF_STUB_DIRECT, loc0, targetsec);
+				val = (val - dot - 8)/4;
+				CHECK_RELOC(val, 22);
+			}
 			*loc = (*loc & ~0x3ff1ffd) | reassemble_22(val);
 			break;
 
@@ -610,13 +663,17 @@
 	Elf64_Addr val;
 	Elf64_Sxword addend;
 	Elf64_Addr dot;
+	Elf_Addr loc0;
+	unsigned int targetsec = sechdrs[relsec].sh_info;
 
 	DEBUGP("Applying relocate section %u to %u\n", relsec,
-	       sechdrs[relsec].sh_info);
+	       targetsec);
 	for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
 		/* This is where to make the change */
-		loc = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
+		loc = (void *)sechdrs[targetsec].sh_addr
 		      + rel[i].r_offset;
+		/* This is the start of the target section */
+		loc0 = sechdrs[targetsec].sh_addr;
 		/* This is the symbol it is referring to */
 		sym = (Elf64_Sym *)sechdrs[symindex].sh_addr
 			+ ELF64_R_SYM(rel[i].r_info);
@@ -672,42 +729,40 @@
 			DEBUGP("PCREL22F Symbol %s loc %p val %lx\n",
 			       strtab + sym->st_name,
 			       loc, val);
+			val += addend;
 			/* can we reach it locally? */
-			if(!in_local_section(me, (void *)val, (void *)dot)) {
-
-				if (in_local(me, (void *)val))
-					/* this is the case where the
-					 * symbol is local to the
-					 * module, but in a different
-					 * section, so stub the jump
-					 * in case it's more than 22
-					 * bits away */
-					val = get_stub(me, val, addend, ELF_STUB_DIRECT,
-						       in_init(me, loc));
-				else if (strncmp(strtab + sym->st_name, "$$", 2)
+			if (in_local(me, (void *)val)) {
+				/* this is the case where the symbol is local
+				 * to the module, but in a different section,
+				 * so stub the jump in case it's more than 22
+				 * bits away */
+				val = (val - dot - 8)/4;
+				if (!RELOC_REACHABLE(val, 22)) {
+					/* direct distance too far, create
+					 * stub entry instead */
+					val = get_stub(me, sym->st_value,
+						addend, ELF_STUB_DIRECT,
+						loc0, targetsec);
+				} else {
+					/* Ok, we can reach it directly. */
+					val = sym->st_value;
+					val += addend;
+				}
+			} else {
+				val = sym->st_value;
+				if (strncmp(strtab + sym->st_name, "$$", 2)
 				    == 0)
 					val = get_stub(me, val, addend, ELF_STUB_MILLI,
-						       in_init(me, loc));
+						       loc0, targetsec);
 				else
 					val = get_stub(me, val, addend, ELF_STUB_GOT,
-						       in_init(me, loc));
+						       loc0, targetsec);
 			}
 			DEBUGP("STUB FOR %s loc %lx, val %lx+%lx at %lx\n", 
 			       strtab + sym->st_name, loc, sym->st_value,
 			       addend, val);
-			/* FIXME: local symbols work as long as the
-			 * core and init pieces aren't separated too
-			 * far.  If this is ever broken, you will trip
-			 * the check below.  The way to fix it would
-			 * be to generate local stubs to go between init
-			 * and core */
-			if((Elf64_Sxword)(val - dot - 8) > 0x800000 -1 ||
-			   (Elf64_Sxword)(val - dot - 8) < -0x800000) {
-				printk(KERN_ERR "Module %s, symbol %s is out of range for PCREL22F relocation\n",
-				       me->name, strtab + sym->st_name);
-				return -ENOEXEC;
-			}
 			val = (val - dot - 8)/4;
+			CHECK_RELOC(val, 22);
 			*loc = (*loc & ~0x3ff1ffd) | reassemble_22(val);
 			break;
 		case R_PARISC_DIR64:
@@ -794,12 +849,8 @@
 	addr = (u32 *)entry->addr;
 	printk("INSNS: %x %x %x %x\n",
 	       addr[0], addr[1], addr[2], addr[3]);
-	printk("stubs used %ld, stubs max %ld\n"
-	       "init_stubs used %ld, init stubs max %ld\n"
-	       "got entries used %ld, gots max %ld\n"
+	printk("got entries used %ld, gots max %ld\n"
 	       "fdescs used %ld, fdescs max %ld\n",
-	       me->arch.stub_count, me->arch.stub_max,
-	       me->arch.init_stub_count, me->arch.init_stub_max,
 	       me->arch.got_count, me->arch.got_max,
 	       me->arch.fdesc_count, me->arch.fdesc_max);
 #endif
@@ -829,7 +880,10 @@
 				me->name, me->arch.got_count, MAX_GOTS);
 		return -EINVAL;
 	}
-	
+
+	kfree(me->arch.section);
+	me->arch.section = NULL;
+
 	/* no symbol table */
 	if(symhdr == NULL)
 		return 0;
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 6296bfd..e309ef7 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -97,7 +97,6 @@
 	inode->i_mode = mode;
 	inode->i_uid = current_fsuid();
 	inode->i_gid = current_fsgid();
-	inode->i_blocks = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 out:
 	return inode;
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 9d4f8e6..5a805df 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -106,7 +106,6 @@
 		ret->i_mode = mode;
 		ret->i_uid = hypfs_info->uid;
 		ret->i_gid = hypfs_info->gid;
-		ret->i_blocks = 0;
 		ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
 		if (mode & S_IFDIR)
 			ret->i_nlink = 2;
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 0a94d9c..de58c02 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -4,6 +4,17 @@
 
 mainmenu "Linux/SPARC Kernel Configuration"
 
+config 64BIT
+	bool "64-bit kernel" if ARCH = "sparc"
+	default ARCH = "sparc64"
+	help
+	  SPARC is a family of RISC microprocessors designed and marketed by
+	  Sun Microsystems, incorporated.  They are very widely found in Sun
+	  workstations and clones.
+
+	  Say yes to build a 64-bit kernel - formerly known as sparc64
+	  Say no to build a 32-bit kernel - formerly known as sparc
+
 config SPARC
 	bool
 	default y
@@ -15,22 +26,11 @@
 	select RTC_CLASS
 	select RTC_DRV_M48T59
 
-# Identify this as a Sparc32 build
 config SPARC32
-	bool
-	default y if ARCH = "sparc"
-	help
-	  SPARC is a family of RISC microprocessors designed and marketed by
-	  Sun Microsystems, incorporated.  They are very widely found in Sun
-	  workstations and clones. This port covers the original 32-bit SPARC;
-	  it is old and stable and usually considered one of the "big three"
-	  along with the Intel and Alpha ports.  The UltraLinux project
-	  maintains both the SPARC32 and SPARC64 ports; its web page is
-	  available at <http://www.ultralinux.org/>.
+	def_bool !64BIT
 
 config SPARC64
-	bool
-	default y if ARCH = "sparc64"
+	def_bool 64BIT
 	select ARCH_SUPPORTS_MSI
 	select HAVE_FUNCTION_TRACER
 	select HAVE_KRETPROBES
@@ -53,9 +53,6 @@
 	default 32 if SPARC32
 	default 64 if SPARC64
 
-config 64BIT
-	def_bool y if SPARC64
-
 config GENERIC_TIME
 	bool
 	default y if SPARC64
@@ -188,14 +185,6 @@
 	bool
 	default y
 
-config ARCH_HAS_ILOG2_U32
-	bool
-	default n
-
-config ARCH_HAS_ILOG2_U64
-	bool
-	default n
-
 config EMULATED_CMPXCHG
 	bool
 	default y if SPARC32
@@ -442,26 +431,6 @@
 endmenu
 
 menu "Bus options (PCI etc.)"
-config ISA
-	bool
-	help
-	  ISA is found on Espresso only and is not supported currently.
-
-config ISAPNP
-	bool
-	help
-	  ISAPNP is not supported
-
-config EISA
-	bool
-	help
-	  EISA is not supported.
-
-config MCA
-	bool
-	help
-	  MCA is not supported.
-
 config SBUS
 	bool
 	default y
diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig
index 05d19a3..cde19ae 100644
--- a/arch/sparc/configs/sparc64_defconfig
+++ b/arch/sparc/configs/sparc64_defconfig
@@ -1,27 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28-rc4
-# Mon Nov 10 12:35:09 2008
+# Linux kernel version: 2.6.28
+# Fri Jan  2 18:14:26 2009
 #
 CONFIG_SPARC=y
 CONFIG_SPARC64=y
+CONFIG_ARCH_DEFCONFIG="arch/sparc/configs/sparc64_defconfig"
+CONFIG_BITS=64
+CONFIG_64BIT=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CMOS_UPDATE=y
 CONFIG_GENERIC_CLOCKEVENTS=y
-CONFIG_64BIT=y
-CONFIG_MMU=y
 CONFIG_IOMMU_HELPER=y
 CONFIG_QUICKLIST=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
-CONFIG_ARCH_MAY_HAVE_PC_FDC=y
-# CONFIG_ARCH_HAS_ILOG2_U32 is not set
-# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 CONFIG_AUDIT_ARCH=y
 CONFIG_HAVE_SETUP_PER_CPU_AREA=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_MMU=y
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_OF=y
-CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -86,6 +86,7 @@
 CONFIG_SLUB=y
 # CONFIG_SLOB is not set
 CONFIG_PROFILING=y
+CONFIG_TRACEPOINTS=y
 # CONFIG_MARKERS is not set
 CONFIG_OPROFILE=m
 CONFIG_HAVE_OPROFILE=y
@@ -127,34 +128,40 @@
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
 # CONFIG_FREEZER is not set
 
 #
 # Processor type and features
 #
-CONFIG_SPARC64_PAGE_SIZE_8KB=y
-# CONFIG_SPARC64_PAGE_SIZE_64KB is not set
-CONFIG_SECCOMP=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=64
 CONFIG_HZ_100=y
 # CONFIG_HZ_250 is not set
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=100
 CONFIG_SCHED_HRTICK=y
+CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_SPARC64_SMP=y
+CONFIG_SPARC64_PAGE_SIZE_8KB=y
+# CONFIG_SPARC64_PAGE_SIZE_64KB is not set
+CONFIG_SECCOMP=y
 CONFIG_HOTPLUG_CPU=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_TICK_ONESHOT=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
-CONFIG_SMP=y
-CONFIG_NR_CPUS=64
 # CONFIG_CPU_FREQ is not set
 CONFIG_US3_MC=y
-CONFIG_RWSEM_XCHGADD_ALGORITHM=y
-CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_HUGETLB_PAGE_SIZE_4MB=y
 # CONFIG_HUGETLB_PAGE_SIZE_512K is not set
 # CONFIG_HUGETLB_PAGE_SIZE_64K is not set
@@ -183,10 +190,18 @@
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=1
 CONFIG_UNEVICTABLE_LRU=y
+CONFIG_SCHED_SMT=y
+CONFIG_SCHED_MC=y
+# CONFIG_PREEMPT_NONE is not set
+CONFIG_PREEMPT_VOLUNTARY=y
+# CONFIG_PREEMPT is not set
+# CONFIG_CMDLINE_BOOL is not set
+
+#
+# Bus options (PCI etc.)
+#
 CONFIG_SBUS=y
 CONFIG_SBUSCHAR=y
-CONFIG_SUN_AUXIO=y
-CONFIG_SUN_IO=y
 CONFIG_SUN_LDOMS=y
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
@@ -195,7 +210,9 @@
 CONFIG_PCI_MSI=y
 # CONFIG_PCI_LEGACY is not set
 # CONFIG_PCI_DEBUG is not set
+# CONFIG_PCCARD is not set
 CONFIG_SUN_OPENPROMFS=m
+CONFIG_SPARC64_PCI=y
 
 #
 # Executable file formats
@@ -207,17 +224,13 @@
 CONFIG_BINFMT_MISC=m
 CONFIG_COMPAT=y
 CONFIG_SYSVIPC_COMPAT=y
-CONFIG_SCHED_SMT=y
-CONFIG_SCHED_MC=y
-# CONFIG_PREEMPT_NONE is not set
-CONFIG_PREEMPT_VOLUNTARY=y
-# CONFIG_PREEMPT is not set
-# CONFIG_CMDLINE_BOOL is not set
 CONFIG_NET=y
 
 #
 # Networking options
 #
+# CONFIG_NET_NS is not set
+CONFIG_COMPAT_NET_DEV_OPS=y
 CONFIG_PACKET=y
 CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
@@ -314,6 +327,7 @@
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
 # CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
 
 #
 # Network testing
@@ -330,8 +344,8 @@
 # CONFIG_CFG80211 is not set
 CONFIG_WIRELESS_OLD_REGULATORY=y
 # CONFIG_WIRELESS_EXT is not set
+# CONFIG_LIB80211 is not set
 # CONFIG_MAC80211 is not set
-# CONFIG_IEEE80211 is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -378,8 +392,10 @@
 # CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
+# CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_HP_ILO is not set
+# CONFIG_C2PORT is not set
 CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
 
@@ -387,6 +403,7 @@
 # Please see Documentation/ide/ide.txt for help/info on IDE drives
 #
 CONFIG_IDE_TIMINGS=y
+CONFIG_IDE_ATAPI=y
 # CONFIG_BLK_DEV_IDE_SATA is not set
 CONFIG_IDE_GD=y
 CONFIG_IDE_GD_ATA=y
@@ -394,7 +411,6 @@
 CONFIG_BLK_DEV_IDECD=y
 CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
 # CONFIG_BLK_DEV_IDETAPE is not set
-# CONFIG_BLK_DEV_IDESCSI is not set
 # CONFIG_IDE_TASK_IOCTL is not set
 CONFIG_IDE_PROC_FS=y
 
@@ -477,6 +493,7 @@
 # CONFIG_SCSI_SRP_ATTRS is not set
 CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_ISCSI_TCP is not set
+# CONFIG_SCSI_CXGB3_ISCSI is not set
 # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
 # CONFIG_SCSI_3W_9XXX is not set
 # CONFIG_SCSI_ACARD is not set
@@ -490,6 +507,8 @@
 # CONFIG_MEGARAID_LEGACY is not set
 # CONFIG_MEGARAID_SAS is not set
 # CONFIG_SCSI_HPTIOP is not set
+# CONFIG_LIBFC is not set
+# CONFIG_FCOE is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_IPS is not set
@@ -564,6 +583,9 @@
 # CONFIG_BROADCOM_PHY is not set
 # CONFIG_ICPLUS_PHY is not set
 # CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=m
@@ -590,7 +612,6 @@
 # CONFIG_ADAPTEC_STARFIRE is not set
 # CONFIG_B44 is not set
 # CONFIG_FORCEDETH is not set
-# CONFIG_EEPRO100 is not set
 # CONFIG_E100 is not set
 # CONFIG_FEALNX is not set
 # CONFIG_NATSEMI is not set
@@ -600,6 +621,7 @@
 # CONFIG_R6040 is not set
 # CONFIG_SIS900 is not set
 # CONFIG_EPIC100 is not set
+# CONFIG_SMSC9420 is not set
 # CONFIG_SUNDANCE is not set
 # CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
@@ -629,6 +651,7 @@
 # CONFIG_JME is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
+CONFIG_CHELSIO_T3_DEPENDS=y
 # CONFIG_CHELSIO_T3 is not set
 # CONFIG_ENIC is not set
 # CONFIG_IXGBE is not set
@@ -778,6 +801,7 @@
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
 # CONFIG_IPMI_HANDLER is not set
 CONFIG_HW_RANDOM=m
@@ -870,6 +894,7 @@
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
 # CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ATXP1 is not set
@@ -919,11 +944,11 @@
 # CONFIG_THERMAL is not set
 # CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
 
 #
 # Sonics Silicon Backplane
 #
-CONFIG_SSB_POSSIBLE=y
 # CONFIG_SSB is not set
 
 #
@@ -1071,6 +1096,7 @@
 CONFIG_SND_PCM_OSS=m
 CONFIG_SND_PCM_OSS_PLUGINS=y
 CONFIG_SND_SEQUENCER_OSS=y
+# CONFIG_SND_HRTIMER is not set
 # CONFIG_SND_DYNAMIC_MINORS is not set
 CONFIG_SND_SUPPORT_OLD_API=y
 CONFIG_SND_VERBOSE_PROCFS=y
@@ -1242,11 +1268,11 @@
 # CONFIG_USB_TMC is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed;
 #
 
 #
-# may also be needed; see USB_STORAGE Help for more information
+# see USB_STORAGE Help for more information
 #
 CONFIG_USB_STORAGE=m
 # CONFIG_USB_STORAGE_DEBUG is not set
@@ -1337,6 +1363,7 @@
 # CONFIG_RTC_DRV_M41T80 is not set
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
 
 #
 # SPI RTC drivers
@@ -1365,7 +1392,6 @@
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
 # CONFIG_STAGING is not set
-CONFIG_STAGING_EXCLUDE_BUILD=y
 
 #
 # Misc Linux/SPARC drivers
@@ -1544,6 +1570,7 @@
 # CONFIG_LOCK_STAT is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+CONFIG_STACKTRACE=y
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_INFO is not set
@@ -1552,6 +1579,7 @@
 CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
@@ -1560,8 +1588,12 @@
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_LKDTM is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_NOP_TRACER=y
 CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_RING_BUFFER=y
+CONFIG_TRACING=y
 
 #
 # Tracers
@@ -1571,7 +1603,9 @@
 # CONFIG_SCHED_TRACER is not set
 # CONFIG_CONTEXT_SWITCH_TRACER is not set
 # CONFIG_BOOT_TRACER is not set
+# CONFIG_TRACE_BRANCH_PROFILING is not set
 # CONFIG_STACK_TRACER is not set
+# CONFIG_FTRACE_STARTUP_TEST is not set
 # CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
@@ -1600,11 +1634,16 @@
 #
 # CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
 CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_AEAD2=y
 CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_BLKCIPHER2=y
 CONFIG_CRYPTO_HASH=y
-CONFIG_CRYPTO_RNG=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG2=y
 CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
 CONFIG_CRYPTO_GF128MUL=m
 CONFIG_CRYPTO_NULL=m
 # CONFIG_CRYPTO_CRYPTD is not set
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild
index 89c260a..deeb0fb 100644
--- a/arch/sparc/include/asm/Kbuild
+++ b/arch/sparc/include/asm/Kbuild
@@ -1,21 +1,6 @@
 # User exported sparc header files
 include include/asm-generic/Kbuild.asm
 
-header-y += ipcbuf_32.h
-header-y += ipcbuf_64.h
-header-y += posix_types_32.h
-header-y += posix_types_64.h
-header-y += ptrace_32.h
-header-y += ptrace_64.h
-header-y += sigcontext_32.h
-header-y += sigcontext_64.h
-header-y += siginfo_32.h
-header-y += siginfo_64.h
-header-y += signal_32.h
-header-y += signal_64.h
-header-y += stat_32.h
-header-y += stat_64.h
-
 header-y += apc.h
 header-y += asi.h
 header-y += display7seg.h
@@ -23,16 +8,11 @@
 header-y += fbio.h
 header-y += jsflash.h
 header-y += openprom.h
-header-y += openprom_32.h
-header-y += openprom_64.h
 header-y += openpromio.h
 header-y += perfctr.h
 header-y += psrcompat.h
 header-y += psr.h
 header-y += pstate.h
-header-y += reg.h
-header-y += reg_32.h
-header-y += reg_64.h
 header-y += traps.h
 header-y += uctx.h
 header-y += utrap.h
diff --git a/arch/sparc/include/asm/byteorder.h b/arch/sparc/include/asm/byteorder.h
index 5a70f13..738414b 100644
--- a/arch/sparc/include/asm/byteorder.h
+++ b/arch/sparc/include/asm/byteorder.h
@@ -1,16 +1,12 @@
 #ifndef _SPARC_BYTEORDER_H
 #define _SPARC_BYTEORDER_H
 
-#include <asm/types.h>
+#include <linux/types.h>
 #include <asm/asi.h>
 
 #define __BIG_ENDIAN
 
-#ifdef CONFIG_SPARC32
-#define __SWAB_64_THRU_32__
-#endif
-
-#ifdef CONFIG_SPARC64
+#if defined(__sparc__) && defined(__arch64__)
 static inline __u16 __arch_swab16p(const __u16 *addr)
 {
 	__u16 ret;
@@ -44,7 +40,9 @@
 }
 #define __arch_swab64p __arch_swab64p
 
-#endif /* CONFIG_SPARC64 */
+#else
+#define __SWAB_64_THRU_32__
+#endif /* defined(__sparc__) && defined(__arch64__) */
 
 #include <linux/byteorder.h>
 
diff --git a/arch/sparc/include/asm/ipcbuf.h b/arch/sparc/include/asm/ipcbuf.h
index 17d6ef7..66013b4 100644
--- a/arch/sparc/include/asm/ipcbuf.h
+++ b/arch/sparc/include/asm/ipcbuf.h
@@ -1,8 +1,32 @@
-#ifndef ___ASM_SPARC_IPCBUF_H
-#define ___ASM_SPARC_IPCBUF_H
-#if defined(__sparc__) && defined(__arch64__)
-#include <asm/ipcbuf_64.h>
-#else
-#include <asm/ipcbuf_32.h>
+#ifndef __SPARC_IPCBUF_H
+#define __SPARC_IPCBUF_H
+
+/*
+ * The ipc64_perm structure for sparc/sparc64 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 32-bit seq
+ * - on sparc for 32 bit mode (it is 32 bit on sparc64)
+ * - 2 miscellaneous 64-bit values
+ */
+
+struct ipc64_perm
+{
+	__kernel_key_t	key;
+	__kernel_uid_t	uid;
+	__kernel_gid_t	gid;
+	__kernel_uid_t	cuid;
+	__kernel_gid_t	cgid;
+#ifndef __arch64__
+	unsigned short	__pad0;
 #endif
-#endif
+	__kernel_mode_t	mode;
+	unsigned short	__pad1;
+	unsigned short	seq;
+	unsigned long long __unused1;
+	unsigned long long __unused2;
+};
+
+#endif /* __SPARC_IPCBUF_H */
diff --git a/arch/sparc/include/asm/ipcbuf_32.h b/arch/sparc/include/asm/ipcbuf_32.h
deleted file mode 100644
index 6387209..0000000
--- a/arch/sparc/include/asm/ipcbuf_32.h
+++ /dev/null
@@ -1,31 +0,0 @@
-#ifndef _SPARC_IPCBUF_H
-#define _SPARC_IPCBUF_H
-
-/*
- * The ipc64_perm structure for sparc architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 32-bit mode
- * - 32-bit seq
- * - 2 miscellaneous 64-bit values (so that this structure matches
- *				    sparc64 ipc64_perm)
- */
-
-struct ipc64_perm
-{
-	__kernel_key_t		key;
-	__kernel_uid32_t	uid;
-	__kernel_gid32_t	gid;
-	__kernel_uid32_t	cuid;
-	__kernel_gid32_t	cgid;
-	unsigned short		__pad1;
-	__kernel_mode_t		mode;
-	unsigned short		__pad2;
-	unsigned short		seq;
-	unsigned long long	__unused1;
-	unsigned long long	__unused2;
-};
-
-#endif /* _SPARC_IPCBUF_H */
diff --git a/arch/sparc/include/asm/ipcbuf_64.h b/arch/sparc/include/asm/ipcbuf_64.h
deleted file mode 100644
index a44b855..0000000
--- a/arch/sparc/include/asm/ipcbuf_64.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#ifndef _SPARC64_IPCBUF_H
-#define _SPARC64_IPCBUF_H
-
-/*
- * The ipc64_perm structure for sparc64 architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 32-bit seq
- * - 2 miscellaneous 64-bit values
- */
-
-struct ipc64_perm
-{
-	__kernel_key_t	key;
-	__kernel_uid_t	uid;
-	__kernel_gid_t	gid;
-	__kernel_uid_t	cuid;
-	__kernel_gid_t	cgid;
-	__kernel_mode_t	mode;
-	unsigned short	__pad1;
-	unsigned short	seq;
-	unsigned long	__unused1;
-	unsigned long	__unused2;
-};
-
-#endif /* _SPARC64_IPCBUF_H */
diff --git a/arch/sparc/include/asm/jsflash.h b/arch/sparc/include/asm/jsflash.h
index 3457f29..0717d9e 100644
--- a/arch/sparc/include/asm/jsflash.h
+++ b/arch/sparc/include/asm/jsflash.h
@@ -8,7 +8,7 @@
 #define _SPARC_JSFLASH_H
 
 #ifndef _SPARC_TYPES_H
-#include <asm/types.h>
+#include <linux/types.h>
 #endif
 
 /*
diff --git a/arch/sparc/include/asm/openprom.h b/arch/sparc/include/asm/openprom.h
index aaeae905..963e1a4 100644
--- a/arch/sparc/include/asm/openprom.h
+++ b/arch/sparc/include/asm/openprom.h
@@ -1,8 +1,277 @@
-#ifndef ___ASM_SPARC_OPENPROM_H
-#define ___ASM_SPARC_OPENPROM_H
+#ifndef __SPARC_OPENPROM_H
+#define __SPARC_OPENPROM_H
+
+/* openprom.h:  Prom structures and defines for access to the OPENBOOT
+ *              prom routines and data areas.
+ *
+ * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+/* Empirical constants... */
+#define LINUX_OPPROM_MAGIC      0x10010407
+
+#ifndef __ASSEMBLY__
+/* V0 prom device operations. */
+struct linux_dev_v0_funcs {
+	int (*v0_devopen)(char *device_str);
+	int (*v0_devclose)(int dev_desc);
+	int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
+	int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
+	int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf);
+	int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf);
+	int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
+	int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
+	int (*v0_seekdev)(int dev_desc, long logical_offst, int from);
+};
+
+/* V2 and later prom device operations. */
+struct linux_dev_v2_funcs {
+	int (*v2_inst2pkg)(int d);	/* Convert ihandle to phandle */
+	char * (*v2_dumb_mem_alloc)(char *va, unsigned sz);
+	void (*v2_dumb_mem_free)(char *va, unsigned sz);
+
+	/* To map devices into virtual I/O space. */
+	char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz);
+	void (*v2_dumb_munmap)(char *virta, unsigned size);
+
+	int (*v2_dev_open)(char *devpath);
+	void (*v2_dev_close)(int d);
+	int (*v2_dev_read)(int d, char *buf, int nbytes);
+	int (*v2_dev_write)(int d, char *buf, int nbytes);
+	int (*v2_dev_seek)(int d, int hi, int lo);
+
+	/* Never issued (multistage load support) */
+	void (*v2_wheee2)(void);
+	void (*v2_wheee3)(void);
+};
+
+struct linux_mlist_v0 {
+	struct linux_mlist_v0 *theres_more;
+	unsigned int start_adr;
+	unsigned num_bytes;
+};
+
+struct linux_mem_v0 {
+	struct linux_mlist_v0 **v0_totphys;
+	struct linux_mlist_v0 **v0_prommap;
+	struct linux_mlist_v0 **v0_available; /* What we can use */
+};
+
+/* Arguments sent to the kernel from the boot prompt. */
+struct linux_arguments_v0 {
+	char *argv[8];
+	char args[100];
+	char boot_dev[2];
+	int boot_dev_ctrl;
+	int boot_dev_unit;
+	int dev_partition;
+	char *kernel_file_name;
+	void *aieee1;           /* XXX */
+};
+
+/* V2 and up boot things. */
+struct linux_bootargs_v2 {
+	char **bootpath;
+	char **bootargs;
+	int *fd_stdin;
+	int *fd_stdout;
+};
+
+/* The top level PROM vector. */
+struct linux_romvec {
+	/* Version numbers. */
+	unsigned int pv_magic_cookie;
+	unsigned int pv_romvers;
+	unsigned int pv_plugin_revision;
+	unsigned int pv_printrev;
+
+	/* Version 0 memory descriptors. */
+	struct linux_mem_v0 pv_v0mem;
+
+	/* Node operations. */
+	struct linux_nodeops *pv_nodeops;
+
+	char **pv_bootstr;
+	struct linux_dev_v0_funcs pv_v0devops;
+
+	char *pv_stdin;
+	char *pv_stdout;
+#define	PROMDEV_KBD	0		/* input from keyboard */
+#define	PROMDEV_SCREEN	0		/* output to screen */
+#define	PROMDEV_TTYA	1		/* in/out to ttya */
+#define	PROMDEV_TTYB	2		/* in/out to ttyb */
+
+	/* Blocking getchar/putchar.  NOT REENTRANT! (grr) */
+	int (*pv_getchar)(void);
+	void (*pv_putchar)(int ch);
+
+	/* Non-blocking variants. */
+	int (*pv_nbgetchar)(void);
+	int (*pv_nbputchar)(int ch);
+
+	void (*pv_putstr)(char *str, int len);
+
+	/* Miscellany. */
+	void (*pv_reboot)(char *bootstr);
+	void (*pv_printf)(__const__ char *fmt, ...);
+	void (*pv_abort)(void);
+	__volatile__ int *pv_ticks;
+	void (*pv_halt)(void);
+	void (**pv_synchook)(void);
+
+	/* Evaluate a forth string, not different proto for V0 and V2->up. */
+	union {
+		void (*v0_eval)(int len, char *str);
+		void (*v2_eval)(char *str);
+	} pv_fortheval;
+
+	struct linux_arguments_v0 **pv_v0bootargs;
+
+	/* Get ether address. */
+	unsigned int (*pv_enaddr)(int d, char *enaddr);
+
+	struct linux_bootargs_v2 pv_v2bootargs;
+	struct linux_dev_v2_funcs pv_v2devops;
+
+	int filler[15];
+
+	/* This one is sun4c/sun4 only. */
+	void (*pv_setctxt)(int ctxt, char *va, int pmeg);
+
+	/* Prom version 3 Multiprocessor routines. This stuff is crazy.
+	 * No joke. Calling these when there is only one cpu probably
+	 * crashes the machine, have to test this. :-)
+	 */
+
+	/* v3_cpustart() will start the cpu 'whichcpu' in mmu-context
+	 * 'thiscontext' executing at address 'prog_counter'
+	 */
+	int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr,
+			   int thiscontext, char *prog_counter);
+
+	/* v3_cpustop() will cause cpu 'whichcpu' to stop executing
+	 * until a resume cpu call is made.
+	 */
+	int (*v3_cpustop)(unsigned int whichcpu);
+
+	/* v3_cpuidle() will idle cpu 'whichcpu' until a stop or
+	 * resume cpu call is made.
+	 */
+	int (*v3_cpuidle)(unsigned int whichcpu);
+
+	/* v3_cpuresume() will resume processor 'whichcpu' executing
+	 * starting with whatever 'pc' and 'npc' were left at the
+	 * last 'idle' or 'stop' call.
+	 */
+	int (*v3_cpuresume)(unsigned int whichcpu);
+};
+
+/* Routines for traversing the prom device tree. */
+struct linux_nodeops {
+	int (*no_nextnode)(int node);
+	int (*no_child)(int node);
+	int (*no_proplen)(int node, const char *name);
+	int (*no_getprop)(int node, const char *name, char *val);
+	int (*no_setprop)(int node, const char *name, char *val, int len);
+	char * (*no_nextprop)(int node, char *name);
+};
+
+/* More fun PROM structures for device probing. */
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm/openprom_64.h>
+#define PROMREG_MAX     24
+#define PROMVADDR_MAX   16
+#define PROMINTR_MAX    32
 #else
-#include <asm/openprom_32.h>
+#define PROMREG_MAX     16
+#define PROMVADDR_MAX   16
+#define PROMINTR_MAX    15
 #endif
+
+struct linux_prom_registers {
+	unsigned int which_io;	/* hi part of physical address */
+	unsigned int phys_addr;	/* The physical address of this register */
+	unsigned int reg_size;	/* How many bytes does this register take up? */
+};
+
+struct linux_prom64_registers {
+	unsigned long phys_addr;
+	unsigned long reg_size;
+};
+
+struct linux_prom_irqs {
+	int pri;    /* IRQ priority */
+	int vector; /* This is foobar, what does it do? */
+};
+
+/* Element of the "ranges" vector */
+struct linux_prom_ranges {
+	unsigned int ot_child_space;
+	unsigned int ot_child_base;		/* Bus feels this */
+	unsigned int ot_parent_space;
+	unsigned int ot_parent_base;		/* CPU looks from here */
+	unsigned int or_size;
+};
+
+/*
+ * Ranges and reg properties are a bit different for PCI.
+ */
+#if defined(__sparc__) && defined(__arch64__)
+struct linux_prom_pci_registers {
+	unsigned int phys_hi;
+	unsigned int phys_mid;
+	unsigned int phys_lo;
+
+	unsigned int size_hi;
+	unsigned int size_lo;
+};
+#else
+struct linux_prom_pci_registers {
+	/*
+	 * We don't know what information this field contain.
+	 * We guess, PCI device function is in bits 15:8
+	 * So, ...
+	 */
+	unsigned int which_io;  /* Let it be which_io */
+
+	unsigned int phys_hi;
+	unsigned int phys_lo;
+
+	unsigned int size_hi;
+	unsigned int size_lo;
+};
+
 #endif
+
+struct linux_prom_pci_ranges {
+	unsigned int child_phys_hi;	/* Only certain bits are encoded here. */
+	unsigned int child_phys_mid;
+	unsigned int child_phys_lo;
+
+	unsigned int parent_phys_hi;
+	unsigned int parent_phys_lo;
+
+	unsigned int size_hi;
+	unsigned int size_lo;
+};
+
+struct linux_prom_pci_intmap {
+	unsigned int phys_hi;
+	unsigned int phys_mid;
+	unsigned int phys_lo;
+
+	unsigned int interrupt;
+
+	int          cnode;
+	unsigned int cinterrupt;
+};
+
+struct linux_prom_pci_intmask {
+	unsigned int phys_hi;
+	unsigned int phys_mid;
+	unsigned int phys_lo;
+	unsigned int interrupt;
+};
+
+#endif /* !(__ASSEMBLY__) */
+
+#endif /* !(__SPARC_OPENPROM_H) */
diff --git a/arch/sparc/include/asm/openprom_32.h b/arch/sparc/include/asm/openprom_32.h
deleted file mode 100644
index 875da35..0000000
--- a/arch/sparc/include/asm/openprom_32.h
+++ /dev/null
@@ -1,255 +0,0 @@
-#ifndef __SPARC_OPENPROM_H
-#define __SPARC_OPENPROM_H
-
-/* openprom.h:  Prom structures and defines for access to the OPENBOOT
- *              prom routines and data areas.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- */
-
-/* Empirical constants... */
-#define	LINUX_OPPROM_MAGIC      0x10010407
-
-#ifndef __ASSEMBLY__
-/* V0 prom device operations. */
-struct linux_dev_v0_funcs {
-	int (*v0_devopen)(char *device_str);
-	int (*v0_devclose)(int dev_desc);
-	int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
-	int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
-	int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf);
-	int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf);
-	int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
-	int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
-	int (*v0_seekdev)(int dev_desc, long logical_offst, int from);
-};
-
-/* V2 and later prom device operations. */
-struct linux_dev_v2_funcs {
-	int (*v2_inst2pkg)(int d);	/* Convert ihandle to phandle */
-	char * (*v2_dumb_mem_alloc)(char *va, unsigned sz);
-	void (*v2_dumb_mem_free)(char *va, unsigned sz);
-
-	/* To map devices into virtual I/O space. */
-	char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz);
-	void (*v2_dumb_munmap)(char *virta, unsigned size);
-
-	int (*v2_dev_open)(char *devpath);
-	void (*v2_dev_close)(int d);
-	int (*v2_dev_read)(int d, char *buf, int nbytes);
-	int (*v2_dev_write)(int d, char *buf, int nbytes);
-	int (*v2_dev_seek)(int d, int hi, int lo);
-
-	/* Never issued (multistage load support) */
-	void (*v2_wheee2)(void);
-	void (*v2_wheee3)(void);
-};
-
-struct linux_mlist_v0 {
-	struct linux_mlist_v0 *theres_more;
-	char *start_adr;
-	unsigned num_bytes;
-};
-
-struct linux_mem_v0 {
-	struct linux_mlist_v0 **v0_totphys;
-	struct linux_mlist_v0 **v0_prommap;
-	struct linux_mlist_v0 **v0_available; /* What we can use */
-};
-
-/* Arguments sent to the kernel from the boot prompt. */
-struct linux_arguments_v0 {
-	char *argv[8];
-	char args[100];
-	char boot_dev[2];
-	int boot_dev_ctrl;
-	int boot_dev_unit;
-	int dev_partition;
-	char *kernel_file_name;
-	void *aieee1;           /* XXX */
-};
-
-/* V2 and up boot things. */
-struct linux_bootargs_v2 {
-	char **bootpath;
-	char **bootargs;
-	int *fd_stdin;
-	int *fd_stdout;
-};
-
-/* The top level PROM vector. */
-struct linux_romvec {
-	/* Version numbers. */
-	unsigned int pv_magic_cookie;
-	unsigned int pv_romvers;
-	unsigned int pv_plugin_revision;
-	unsigned int pv_printrev;
-
-	/* Version 0 memory descriptors. */
-	struct linux_mem_v0 pv_v0mem;
-
-	/* Node operations. */
-	struct linux_nodeops *pv_nodeops;
-
-	char **pv_bootstr;
-	struct linux_dev_v0_funcs pv_v0devops;
-
-	char *pv_stdin;
-	char *pv_stdout;
-#define	PROMDEV_KBD	0		/* input from keyboard */
-#define	PROMDEV_SCREEN	0		/* output to screen */
-#define	PROMDEV_TTYA	1		/* in/out to ttya */
-#define	PROMDEV_TTYB	2		/* in/out to ttyb */
-
-	/* Blocking getchar/putchar.  NOT REENTRANT! (grr) */
-	int (*pv_getchar)(void);
-	void (*pv_putchar)(int ch);
-
-	/* Non-blocking variants. */
-	int (*pv_nbgetchar)(void);
-	int (*pv_nbputchar)(int ch);
-
-	void (*pv_putstr)(char *str, int len);
-
-	/* Miscellany. */
-	void (*pv_reboot)(char *bootstr);
-	void (*pv_printf)(__const__ char *fmt, ...);
-	void (*pv_abort)(void);
-	__volatile__ int *pv_ticks;
-	void (*pv_halt)(void);
-	void (**pv_synchook)(void);
-
-	/* Evaluate a forth string, not different proto for V0 and V2->up. */
-	union {
-		void (*v0_eval)(int len, char *str);
-		void (*v2_eval)(char *str);
-	} pv_fortheval;
-
-	struct linux_arguments_v0 **pv_v0bootargs;
-
-	/* Get ether address. */
-	unsigned int (*pv_enaddr)(int d, char *enaddr);
-
-	struct linux_bootargs_v2 pv_v2bootargs;
-	struct linux_dev_v2_funcs pv_v2devops;
-
-	int filler[15];
-
-	/* This one is sun4c/sun4 only. */
-	void (*pv_setctxt)(int ctxt, char *va, int pmeg);
-
-	/* Prom version 3 Multiprocessor routines. This stuff is crazy.
-	 * No joke. Calling these when there is only one cpu probably
-	 * crashes the machine, have to test this. :-)
-	 */
-
-	/* v3_cpustart() will start the cpu 'whichcpu' in mmu-context
-	 * 'thiscontext' executing at address 'prog_counter'
-	 */
-	int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr,
-			   int thiscontext, char *prog_counter);
-
-	/* v3_cpustop() will cause cpu 'whichcpu' to stop executing
-	 * until a resume cpu call is made.
-	 */
-	int (*v3_cpustop)(unsigned int whichcpu);
-
-	/* v3_cpuidle() will idle cpu 'whichcpu' until a stop or
-	 * resume cpu call is made.
-	 */
-	int (*v3_cpuidle)(unsigned int whichcpu);
-
-	/* v3_cpuresume() will resume processor 'whichcpu' executing
-	 * starting with whatever 'pc' and 'npc' were left at the
-	 * last 'idle' or 'stop' call.
-	 */
-	int (*v3_cpuresume)(unsigned int whichcpu);
-};
-
-/* Routines for traversing the prom device tree. */
-struct linux_nodeops {
-	int (*no_nextnode)(int node);
-	int (*no_child)(int node);
-	int (*no_proplen)(int node, const char *name);
-	int (*no_getprop)(int node, const char *name, char *val);
-	int (*no_setprop)(int node, const char *name, char *val, int len);
-	char * (*no_nextprop)(int node, char *name);
-};
-
-/* More fun PROM structures for device probing. */
-#define PROMREG_MAX     16
-#define PROMVADDR_MAX   16
-#define PROMINTR_MAX    15
-
-struct linux_prom_registers {
-	unsigned int which_io;         /* is this in OBIO space? */
-	unsigned int phys_addr;        /* The physical address of this register */
-	unsigned int reg_size;         /* How many bytes does this register take up? */
-};
-
-struct linux_prom_irqs {
-	int pri;    /* IRQ priority */
-	int vector; /* This is foobar, what does it do? */
-};
-
-/* Element of the "ranges" vector */
-struct linux_prom_ranges {
-	unsigned int ot_child_space;
-	unsigned int ot_child_base;		/* Bus feels this */
-	unsigned int ot_parent_space;
-	unsigned int ot_parent_base;		/* CPU looks from here */
-	unsigned int or_size;
-};
-
-/* Ranges and reg properties are a bit different for PCI. */
-struct linux_prom_pci_registers {
-	/*
-	 * We don't know what information this field contain.
-	 * We guess, PCI device function is in bits 15:8
-	 * So, ...
-	 */
-	unsigned int which_io;  /* Let it be which_io */
-
-	unsigned int phys_hi;
-	unsigned int phys_lo;
-
-	unsigned int size_hi;
-	unsigned int size_lo;
-};
-
-struct linux_prom_pci_ranges {
-	unsigned int child_phys_hi;	/* Only certain bits are encoded here. */
-	unsigned int child_phys_mid;
-	unsigned int child_phys_lo;
-
-	unsigned int parent_phys_hi;
-	unsigned int parent_phys_lo;
-
-	unsigned int size_hi;
-	unsigned int size_lo;
-};
-
-struct linux_prom_pci_assigned_addresses {
-	unsigned int which_io;
-
-	unsigned int phys_hi;
-	unsigned int phys_lo;
-
-	unsigned int size_hi;
-	unsigned int size_lo;
-};
-
-struct linux_prom_ebus_ranges {
-	unsigned int child_phys_hi;
-	unsigned int child_phys_lo;
-
-	unsigned int parent_phys_hi;
-	unsigned int parent_phys_mid;
-	unsigned int parent_phys_lo;
-
-	unsigned int size;
-};
-
-#endif /* !(__ASSEMBLY__) */
-
-#endif /* !(__SPARC_OPENPROM_H) */
diff --git a/arch/sparc/include/asm/openprom_64.h b/arch/sparc/include/asm/openprom_64.h
deleted file mode 100644
index b69e4a8..0000000
--- a/arch/sparc/include/asm/openprom_64.h
+++ /dev/null
@@ -1,280 +0,0 @@
-#ifndef __SPARC64_OPENPROM_H
-#define __SPARC64_OPENPROM_H
-
-/* openprom.h:  Prom structures and defines for access to the OPENBOOT
- *              prom routines and data areas.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#ifndef __ASSEMBLY__
-/* V0 prom device operations. */
-struct linux_dev_v0_funcs {
-	int (*v0_devopen)(char *device_str);
-	int (*v0_devclose)(int dev_desc);
-	int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
-	int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf);
-	int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf);
-	int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf);
-	int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
-	int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf);
-	int (*v0_seekdev)(int dev_desc, long logical_offst, int from);
-};
-
-/* V2 and later prom device operations. */
-struct linux_dev_v2_funcs {
-	int (*v2_inst2pkg)(int d);	/* Convert ihandle to phandle */
-	char * (*v2_dumb_mem_alloc)(char *va, unsigned sz);
-	void (*v2_dumb_mem_free)(char *va, unsigned sz);
-
-	/* To map devices into virtual I/O space. */
-	char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz);
-	void (*v2_dumb_munmap)(char *virta, unsigned size);
-
-	int (*v2_dev_open)(char *devpath);
-	void (*v2_dev_close)(int d);
-	int (*v2_dev_read)(int d, char *buf, int nbytes);
-	int (*v2_dev_write)(int d, char *buf, int nbytes);
-	int (*v2_dev_seek)(int d, int hi, int lo);
-
-	/* Never issued (multistage load support) */
-	void (*v2_wheee2)(void);
-	void (*v2_wheee3)(void);
-};
-
-struct linux_mlist_v0 {
-	struct linux_mlist_v0 *theres_more;
-	unsigned start_adr;
-	unsigned num_bytes;
-};
-
-struct linux_mem_v0 {
-	struct linux_mlist_v0 **v0_totphys;
-	struct linux_mlist_v0 **v0_prommap;
-	struct linux_mlist_v0 **v0_available; /* What we can use */
-};
-
-/* Arguments sent to the kernel from the boot prompt. */
-struct linux_arguments_v0 {
-	char *argv[8];
-	char args[100];
-	char boot_dev[2];
-	int boot_dev_ctrl;
-	int boot_dev_unit;
-	int dev_partition;
-	char *kernel_file_name;
-	void *aieee1;           /* XXX */
-};
-
-/* V2 and up boot things. */
-struct linux_bootargs_v2 {
-	char **bootpath;
-	char **bootargs;
-	int *fd_stdin;
-	int *fd_stdout;
-};
-
-/* The top level PROM vector. */
-struct linux_romvec {
-	/* Version numbers. */
-	unsigned int pv_magic_cookie;
-	unsigned int pv_romvers;
-	unsigned int pv_plugin_revision;
-	unsigned int pv_printrev;
-
-	/* Version 0 memory descriptors. */
-	struct linux_mem_v0 pv_v0mem;
-
-	/* Node operations. */
-	struct linux_nodeops *pv_nodeops;
-
-	char **pv_bootstr;
-	struct linux_dev_v0_funcs pv_v0devops;
-
-	char *pv_stdin;
-	char *pv_stdout;
-#define	PROMDEV_KBD	0		/* input from keyboard */
-#define	PROMDEV_SCREEN	0		/* output to screen */
-#define	PROMDEV_TTYA	1		/* in/out to ttya */
-#define	PROMDEV_TTYB	2		/* in/out to ttyb */
-
-	/* Blocking getchar/putchar.  NOT REENTRANT! (grr) */
-	int (*pv_getchar)(void);
-	void (*pv_putchar)(int ch);
-
-	/* Non-blocking variants. */
-	int (*pv_nbgetchar)(void);
-	int (*pv_nbputchar)(int ch);
-
-	void (*pv_putstr)(char *str, int len);
-
-	/* Miscellany. */
-	void (*pv_reboot)(char *bootstr);
-	void (*pv_printf)(__const__ char *fmt, ...);
-	void (*pv_abort)(void);
-	__volatile__ int *pv_ticks;
-	void (*pv_halt)(void);
-	void (**pv_synchook)(void);
-
-	/* Evaluate a forth string, not different proto for V0 and V2->up. */
-	union {
-		void (*v0_eval)(int len, char *str);
-		void (*v2_eval)(char *str);
-	} pv_fortheval;
-
-	struct linux_arguments_v0 **pv_v0bootargs;
-
-	/* Get ether address. */
-	unsigned int (*pv_enaddr)(int d, char *enaddr);
-
-	struct linux_bootargs_v2 pv_v2bootargs;
-	struct linux_dev_v2_funcs pv_v2devops;
-
-	int filler[15];
-
-	/* This one is sun4c/sun4 only. */
-	void (*pv_setctxt)(int ctxt, char *va, int pmeg);
-
-	/* Prom version 3 Multiprocessor routines. This stuff is crazy.
-	 * No joke. Calling these when there is only one cpu probably
-	 * crashes the machine, have to test this. :-)
-	 */
-
-	/* v3_cpustart() will start the cpu 'whichcpu' in mmu-context
-	 * 'thiscontext' executing at address 'prog_counter'
-	 */
-	int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr,
-			   int thiscontext, char *prog_counter);
-
-	/* v3_cpustop() will cause cpu 'whichcpu' to stop executing
-	 * until a resume cpu call is made.
-	 */
-	int (*v3_cpustop)(unsigned int whichcpu);
-
-	/* v3_cpuidle() will idle cpu 'whichcpu' until a stop or
-	 * resume cpu call is made.
-	 */
-	int (*v3_cpuidle)(unsigned int whichcpu);
-
-	/* v3_cpuresume() will resume processor 'whichcpu' executing
-	 * starting with whatever 'pc' and 'npc' were left at the
-	 * last 'idle' or 'stop' call.
-	 */
-	int (*v3_cpuresume)(unsigned int whichcpu);
-};
-
-/* Routines for traversing the prom device tree. */
-struct linux_nodeops {
-	int (*no_nextnode)(int node);
-	int (*no_child)(int node);
-	int (*no_proplen)(int node, char *name);
-	int (*no_getprop)(int node, char *name, char *val);
-	int (*no_setprop)(int node, char *name, char *val, int len);
-	char * (*no_nextprop)(int node, char *name);
-};
-
-/* More fun PROM structures for device probing. */
-#define PROMREG_MAX     24
-#define PROMVADDR_MAX   16
-#define PROMINTR_MAX    32
-
-struct linux_prom_registers {
-	unsigned which_io;	/* hi part of physical address			*/
-	unsigned phys_addr;	/* The physical address of this register	*/
-	int reg_size;		/* How many bytes does this register take up?	*/
-};
-
-struct linux_prom64_registers {
-	unsigned long phys_addr;
-	unsigned long reg_size;
-};
-
-struct linux_prom_irqs {
-	int pri;    /* IRQ priority */
-	int vector; /* This is foobar, what does it do? */
-};
-
-/* Element of the "ranges" vector */
-struct linux_prom_ranges {
-	unsigned int ot_child_space;
-	unsigned int ot_child_base;		/* Bus feels this */
-	unsigned int ot_parent_space;
-	unsigned int ot_parent_base;		/* CPU looks from here */
-	unsigned int or_size;
-};
-
-struct linux_prom64_ranges {
-	unsigned long ot_child_base;		/* Bus feels this */
-	unsigned long ot_parent_base;		/* CPU looks from here */
-	unsigned long or_size;
-};
-
-/* Ranges and reg properties are a bit different for PCI. */
-struct linux_prom_pci_registers {
-	unsigned int phys_hi;
-	unsigned int phys_mid;
-	unsigned int phys_lo;
-
-	unsigned int size_hi;
-	unsigned int size_lo;
-};
-
-struct linux_prom_pci_ranges {
-	unsigned int child_phys_hi;	/* Only certain bits are encoded here. */
-	unsigned int child_phys_mid;
-	unsigned int child_phys_lo;
-
-	unsigned int parent_phys_hi;
-	unsigned int parent_phys_lo;
-
-	unsigned int size_hi;
-	unsigned int size_lo;
-};
-
-struct linux_prom_pci_intmap {
-	unsigned int phys_hi;
-	unsigned int phys_mid;
-	unsigned int phys_lo;
-
-	unsigned int interrupt;
-
-	int          cnode;
-	unsigned int cinterrupt;
-};
-
-struct linux_prom_pci_intmask {
-	unsigned int phys_hi;
-	unsigned int phys_mid;
-	unsigned int phys_lo;
-	unsigned int interrupt;
-};
-
-struct linux_prom_ebus_ranges {
-	unsigned int child_phys_hi;
-	unsigned int child_phys_lo;
-
-	unsigned int parent_phys_hi;
-	unsigned int parent_phys_mid;
-	unsigned int parent_phys_lo;
-
-	unsigned int size;
-};
-
-struct linux_prom_ebus_intmap {
-	unsigned int phys_hi;
-	unsigned int phys_lo;
-
-	unsigned int interrupt;
-
-	int          cnode;
-	unsigned int cinterrupt;
-};
-
-struct linux_prom_ebus_intmask {
-	unsigned int phys_hi;
-	unsigned int phys_lo;
-	unsigned int interrupt;
-};
-#endif /* !(__ASSEMBLY__) */
-
-#endif /* !(__SPARC64_OPENPROM_H) */
diff --git a/arch/sparc/include/asm/posix_types.h b/arch/sparc/include/asm/posix_types.h
index 03a0e09..98d6ebb 100644
--- a/arch/sparc/include/asm/posix_types.h
+++ b/arch/sparc/include/asm/posix_types.h
@@ -1,8 +1,155 @@
-#ifndef ___ASM_SPARC_POSIX_TYPES_H
-#define ___ASM_SPARC_POSIX_TYPES_H
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc.  Also, we cannot
+ * assume GCC is being used.
+ */
+
+#ifndef __SPARC_POSIX_TYPES_H
+#define __SPARC_POSIX_TYPES_H
+
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm/posix_types_64.h>
+/* sparc 64 bit */
+typedef unsigned long          __kernel_size_t;
+typedef long                   __kernel_ssize_t;
+typedef long                   __kernel_ptrdiff_t;
+typedef long                   __kernel_time_t;
+typedef long                   __kernel_clock_t;
+typedef int                    __kernel_pid_t;
+typedef int                    __kernel_ipc_pid_t;
+typedef unsigned int           __kernel_uid_t;
+typedef unsigned int           __kernel_gid_t;
+typedef unsigned long          __kernel_ino_t;
+typedef unsigned int           __kernel_mode_t;
+typedef unsigned short         __kernel_umode_t;
+typedef unsigned int           __kernel_nlink_t;
+typedef int                    __kernel_daddr_t;
+typedef long                   __kernel_off_t;
+typedef char *                 __kernel_caddr_t;
+typedef unsigned short	       __kernel_uid16_t;
+typedef unsigned short	       __kernel_gid16_t;
+typedef int                    __kernel_clockid_t;
+typedef int                    __kernel_timer_t;
+
+typedef unsigned short 	       __kernel_old_uid_t;
+typedef unsigned short         __kernel_old_gid_t;
+typedef __kernel_uid_t	       __kernel_uid32_t;
+typedef __kernel_gid_t	       __kernel_gid32_t;
+
+typedef unsigned int	       __kernel_old_dev_t;
+
+/* Note this piece of asymmetry from the v9 ABI.  */
+typedef int		       __kernel_suseconds_t;
+
 #else
-#include <asm/posix_types_32.h>
+/* sparc 32 bit */
+
+typedef unsigned int           __kernel_size_t;
+typedef int                    __kernel_ssize_t;
+typedef long int               __kernel_ptrdiff_t;
+typedef long                   __kernel_time_t;
+typedef long		       __kernel_suseconds_t;
+typedef long                   __kernel_clock_t;
+typedef int                    __kernel_pid_t;
+typedef unsigned short         __kernel_ipc_pid_t;
+typedef unsigned short         __kernel_uid_t;
+typedef unsigned short         __kernel_gid_t;
+typedef unsigned long          __kernel_ino_t;
+typedef unsigned short         __kernel_mode_t;
+typedef unsigned short         __kernel_umode_t;
+typedef short                  __kernel_nlink_t;
+typedef long                   __kernel_daddr_t;
+typedef long                   __kernel_off_t;
+typedef char *                 __kernel_caddr_t;
+typedef unsigned short	       __kernel_uid16_t;
+typedef unsigned short	       __kernel_gid16_t;
+typedef unsigned int	       __kernel_uid32_t;
+typedef unsigned int	       __kernel_gid32_t;
+typedef unsigned short	       __kernel_old_uid_t;
+typedef unsigned short	       __kernel_old_gid_t;
+typedef unsigned short	       __kernel_old_dev_t;
+typedef int                    __kernel_clockid_t;
+typedef int                    __kernel_timer_t;
+
+#endif /* defined(__sparc__) && defined(__arch64__) */
+
+#ifdef __GNUC__
+typedef long long              __kernel_loff_t;
 #endif
-#endif
+
+typedef struct {
+	int	val[2];
+} __kernel_fsid_t;
+
+#ifdef __KERNEL__
+
+#undef __FD_SET
+static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
+{
+	unsigned long _tmp = fd / __NFDBITS;
+	unsigned long _rem = fd % __NFDBITS;
+	fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
+}
+
+#undef __FD_CLR
+static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
+{
+	unsigned long _tmp = fd / __NFDBITS;
+	unsigned long _rem = fd % __NFDBITS;
+	fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
+}
+
+#undef __FD_ISSET
+static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p)
+{
+	unsigned long _tmp = fd / __NFDBITS;
+	unsigned long _rem = fd % __NFDBITS;
+	return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
+}
+
+/*
+ * This will unroll the loop for the normal constant cases (8 or 32 longs,
+ * for 256 and 1024-bit fd_sets respectively)
+ */
+#undef __FD_ZERO
+static inline void __FD_ZERO(__kernel_fd_set *p)
+{
+	unsigned long *tmp = p->fds_bits;
+	int i;
+
+	if (__builtin_constant_p(__FDSET_LONGS)) {
+		switch (__FDSET_LONGS) {
+			case 32:
+			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
+			  tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
+			  tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
+			  tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
+			  tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0;
+			  tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0;
+			  tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0;
+			  tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0;
+			  return;
+			case 16:
+			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
+			  tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
+			  tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
+			  tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
+			  return;
+			case 8:
+			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
+			  tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
+			  return;
+			case 4:
+			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
+			  return;
+		}
+	}
+	i = __FDSET_LONGS;
+	while (i) {
+		i--;
+		*tmp = 0;
+		tmp++;
+	}
+}
+
+#endif /* __KERNEL__ */
+#endif /* __SPARC_POSIX_TYPES_H */
diff --git a/arch/sparc/include/asm/posix_types_32.h b/arch/sparc/include/asm/posix_types_32.h
deleted file mode 100644
index 6bb6eb1..0000000
--- a/arch/sparc/include/asm/posix_types_32.h
+++ /dev/null
@@ -1,118 +0,0 @@
-#ifndef __ARCH_SPARC_POSIX_TYPES_H
-#define __ARCH_SPARC_POSIX_TYPES_H
-
-/*
- * This file is generally used by user-level software, so you need to
- * be a little careful about namespace pollution etc.  Also, we cannot
- * assume GCC is being used.
- */
-
-typedef unsigned int           __kernel_size_t;
-typedef int                    __kernel_ssize_t;
-typedef long int               __kernel_ptrdiff_t;
-typedef long                   __kernel_time_t;
-typedef long		       __kernel_suseconds_t;
-typedef long                   __kernel_clock_t;
-typedef int                    __kernel_pid_t;
-typedef unsigned short         __kernel_ipc_pid_t;
-typedef unsigned short         __kernel_uid_t;
-typedef unsigned short         __kernel_gid_t;
-typedef unsigned long          __kernel_ino_t;
-typedef unsigned short         __kernel_mode_t;
-typedef unsigned short         __kernel_umode_t;
-typedef short                  __kernel_nlink_t;
-typedef long                   __kernel_daddr_t;
-typedef long                   __kernel_off_t;
-typedef char *                 __kernel_caddr_t;
-typedef unsigned short	       __kernel_uid16_t;
-typedef unsigned short	       __kernel_gid16_t;
-typedef unsigned int	       __kernel_uid32_t;
-typedef unsigned int	       __kernel_gid32_t;
-typedef unsigned short	       __kernel_old_uid_t;
-typedef unsigned short	       __kernel_old_gid_t;
-typedef unsigned short	       __kernel_old_dev_t;
-typedef int                    __kernel_clockid_t;
-typedef int                    __kernel_timer_t;
-
-#ifdef __GNUC__
-typedef long long	__kernel_loff_t;
-#endif
-
-typedef struct {
-	int	val[2];
-} __kernel_fsid_t;
-
-#if defined(__KERNEL__)
-
-#undef __FD_SET
-static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-	unsigned long _tmp = fd / __NFDBITS;
-	unsigned long _rem = fd % __NFDBITS;
-	fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
-}
-
-#undef __FD_CLR
-static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-	unsigned long _tmp = fd / __NFDBITS;
-	unsigned long _rem = fd % __NFDBITS;
-	fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
-}
-
-#undef __FD_ISSET
-static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p)
-{
-	unsigned long _tmp = fd / __NFDBITS;
-	unsigned long _rem = fd % __NFDBITS;
-	return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant cases (8 or 32 longs,
- * for 256 and 1024-bit fd_sets respectively)
- */
-#undef __FD_ZERO
-static inline void __FD_ZERO(__kernel_fd_set *p)
-{
-	unsigned long *tmp = p->fds_bits;
-	int i;
-
-	if (__builtin_constant_p(__FDSET_LONGS)) {
-		switch (__FDSET_LONGS) {
-			case 32:
-			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-			  tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-			  tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
-			  tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
-			  tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0;
-			  tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0;
-			  tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0;
-			  tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0;
-			  return;
-			case 16:
-			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-			  tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-			  tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
-			  tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
-			  return;
-			case 8:
-			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-			  tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-			  return;
-			case 4:
-			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-			  return;
-		}
-	}
-	i = __FDSET_LONGS;
-	while (i) {
-		i--;
-		*tmp = 0;
-		tmp++;
-	}
-}
-
-#endif /* defined(__KERNEL__) */
-
-#endif /* !(__ARCH_SPARC_POSIX_TYPES_H) */
diff --git a/arch/sparc/include/asm/posix_types_64.h b/arch/sparc/include/asm/posix_types_64.h
deleted file mode 100644
index ba8f932..0000000
--- a/arch/sparc/include/asm/posix_types_64.h
+++ /dev/null
@@ -1,122 +0,0 @@
-#ifndef __ARCH_SPARC64_POSIX_TYPES_H
-#define __ARCH_SPARC64_POSIX_TYPES_H
-
-/*
- * This file is generally used by user-level software, so you need to
- * be a little careful about namespace pollution etc.  Also, we cannot
- * assume GCC is being used.
- */
-
-typedef unsigned long          __kernel_size_t;
-typedef long                   __kernel_ssize_t;
-typedef long                   __kernel_ptrdiff_t;
-typedef long                   __kernel_time_t;
-typedef long                   __kernel_clock_t;
-typedef int                    __kernel_pid_t;
-typedef int                    __kernel_ipc_pid_t;
-typedef unsigned int           __kernel_uid_t;
-typedef unsigned int           __kernel_gid_t;
-typedef unsigned long          __kernel_ino_t;
-typedef unsigned int           __kernel_mode_t;
-typedef unsigned short         __kernel_umode_t;
-typedef unsigned int           __kernel_nlink_t;
-typedef int                    __kernel_daddr_t;
-typedef long                   __kernel_off_t;
-typedef char *                 __kernel_caddr_t;
-typedef unsigned short	       __kernel_uid16_t;
-typedef unsigned short	       __kernel_gid16_t;
-typedef int                    __kernel_clockid_t;
-typedef int                    __kernel_timer_t;
-
-typedef unsigned short 	       __kernel_old_uid_t;
-typedef unsigned short         __kernel_old_gid_t;
-typedef __kernel_uid_t	       __kernel_uid32_t;
-typedef __kernel_gid_t	       __kernel_gid32_t;
-
-typedef unsigned int	       __kernel_old_dev_t;
-
-/* Note this piece of asymmetry from the v9 ABI.  */
-typedef int		       __kernel_suseconds_t;
-
-#ifdef __GNUC__
-typedef long long              __kernel_loff_t;
-#endif
-
-typedef struct {
-	int	val[2];
-} __kernel_fsid_t;
-
-#if defined(__KERNEL__)
-
-#undef __FD_SET
-static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-	unsigned long _tmp = fd / __NFDBITS;
-	unsigned long _rem = fd % __NFDBITS;
-	fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
-}
-
-#undef __FD_CLR
-static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
-{
-	unsigned long _tmp = fd / __NFDBITS;
-	unsigned long _rem = fd % __NFDBITS;
-	fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
-}
-
-#undef __FD_ISSET
-static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p)
-{
-	unsigned long _tmp = fd / __NFDBITS;
-	unsigned long _rem = fd % __NFDBITS;
-	return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
-}
-
-/*
- * This will unroll the loop for the normal constant cases (8 or 32 longs,
- * for 256 and 1024-bit fd_sets respectively)
- */
-#undef __FD_ZERO
-static inline void __FD_ZERO(__kernel_fd_set *p)
-{
-	unsigned long *tmp = p->fds_bits;
-	int i;
-
-	if (__builtin_constant_p(__FDSET_LONGS)) {
-		switch (__FDSET_LONGS) {
-			case 32:
-			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-			  tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-			  tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
-			  tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
-			  tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0;
-			  tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0;
-			  tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0;
-			  tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0;
-			  return;
-			case 16:
-			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-			  tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-			  tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
-			  tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
-			  return;
-			case 8:
-			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-			  tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
-			  return;
-			case 4:
-			  tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
-			  return;
-		}
-	}
-	i = __FDSET_LONGS;
-	while (i) {
-		i--;
-		*tmp = 0;
-		tmp++;
-	}
-}
-
-#endif /* defined(__KERNEL__) */
-
-#endif /* !(__ARCH_SPARC64_POSIX_TYPES_H) */
diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h
index 2ae67a2..09521c6 100644
--- a/arch/sparc/include/asm/processor_32.h
+++ b/arch/sparc/include/asm/processor_32.h
@@ -99,7 +99,7 @@
 			     "st\t%%g0, [%0 + %3 + 0x3c]"
 			     : /* no outputs */
 			     : "r" (regs),
-			       "r" (sp - sizeof(struct reg_window)),
+			       "r" (sp - sizeof(struct reg_window32)),
 			       "r" (zero),
 			       "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))
 			     : "memory");
diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h
index 6dcbe2e..30b0b79 100644
--- a/arch/sparc/include/asm/ptrace.h
+++ b/arch/sparc/include/asm/ptrace.h
@@ -1,8 +1,448 @@
-#ifndef ___ASM_SPARC_PTRACE_H
-#define ___ASM_SPARC_PTRACE_H
+#ifndef __SPARC_PTRACE_H
+#define __SPARC_PTRACE_H
+
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm/ptrace_64.h>
+/* 64 bit sparc */
+#include <asm/pstate.h>
+
+/* This struct defines the way the registers are stored on the
+ * stack during a system call and basically all traps.
+ */
+
+/* This magic value must have the low 9 bits clear,
+ * as that is where we encode the %tt value, see below.
+ */
+#define PT_REGS_MAGIC 0x57ac6c00
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+struct pt_regs {
+	unsigned long u_regs[16]; /* globals and ins */
+	unsigned long tstate;
+	unsigned long tpc;
+	unsigned long tnpc;
+	unsigned int y;
+
+	/* We encode a magic number, PT_REGS_MAGIC, along
+	 * with the %tt (trap type) register value at trap
+	 * entry time.  The magic number allows us to identify
+	 * accurately a trap stack frame in the stack
+	 * unwinder, and the %tt value allows us to test
+	 * things like "in a system call" etc. for an arbitray
+	 * process.
+	 *
+	 * The PT_REGS_MAGIC is choosen such that it can be
+	 * loaded completely using just a sethi instruction.
+	 */
+	unsigned int magic;
+};
+
+struct pt_regs32 {
+	unsigned int psr;
+	unsigned int pc;
+	unsigned int npc;
+	unsigned int y;
+	unsigned int u_regs[16]; /* globals and ins */
+};
+
+/* A V9 register window */
+struct reg_window {
+	unsigned long locals[8];
+	unsigned long ins[8];
+};
+
+/* A 32-bit register window. */
+struct reg_window32 {
+	unsigned int locals[8];
+	unsigned int ins[8];
+};
+
+/* A V9 Sparc stack frame */
+struct sparc_stackf {
+	unsigned long locals[8];
+        unsigned long ins[6];
+	struct sparc_stackf *fp;
+	unsigned long callers_pc;
+	char *structptr;
+	unsigned long xargs[6];
+	unsigned long xxargs[1];
+};
+
+/* A 32-bit Sparc stack frame */
+struct sparc_stackf32 {
+	unsigned int locals[8];
+        unsigned int ins[6];
+	unsigned int fp;
+	unsigned int callers_pc;
+	unsigned int structptr;
+	unsigned int xargs[6];
+	unsigned int xxargs[1];
+};
+
+struct sparc_trapf {
+	unsigned long locals[8];
+	unsigned long ins[8];
+	unsigned long _unused;
+	struct pt_regs *regs;
+};
+#endif /* (!__ASSEMBLY__) */
 #else
-#include <asm/ptrace_32.h>
+/* 32 bit sparc */
+
+#include <asm/psr.h>
+
+/* This struct defines the way the registers are stored on the
+ * stack during a system call and basically all traps.
+ */
+#ifndef __ASSEMBLY__
+
+struct pt_regs {
+	unsigned long psr;
+	unsigned long pc;
+	unsigned long npc;
+	unsigned long y;
+	unsigned long u_regs[16]; /* globals and ins */
+};
+
+/* A 32-bit register window. */
+struct reg_window32 {
+	unsigned long locals[8];
+	unsigned long ins[8];
+};
+
+/* A Sparc stack frame */
+struct sparc_stackf {
+	unsigned long locals[8];
+        unsigned long ins[6];
+	struct sparc_stackf *fp;
+	unsigned long callers_pc;
+	char *structptr;
+	unsigned long xargs[6];
+	unsigned long xxargs[1];
+};
+#endif /* (!__ASSEMBLY__) */
+
+#endif /* (defined(__sparc__) && defined(__arch64__))*/
+
+#ifndef __ASSEMBLY__
+
+#define TRACEREG_SZ	sizeof(struct pt_regs)
+#define STACKFRAME_SZ	sizeof(struct sparc_stackf)
+
+#define TRACEREG32_SZ	sizeof(struct pt_regs32)
+#define STACKFRAME32_SZ	sizeof(struct sparc_stackf32)
+
+#endif /* (!__ASSEMBLY__) */
+
+#define UREG_G0        0
+#define UREG_G1        1
+#define UREG_G2        2
+#define UREG_G3        3
+#define UREG_G4        4
+#define UREG_G5        5
+#define UREG_G6        6
+#define UREG_G7        7
+#define UREG_I0        8
+#define UREG_I1        9
+#define UREG_I2        10
+#define UREG_I3        11
+#define UREG_I4        12
+#define UREG_I5        13
+#define UREG_I6        14
+#define UREG_I7        15
+#define UREG_FP        UREG_I6
+#define UREG_RETPC     UREG_I7
+
+#if defined(__sparc__) && defined(__arch64__)
+/* 64 bit sparc */
+
+#ifndef __ASSEMBLY__
+
+#ifdef __KERNEL__
+
+#include <linux/threads.h>
+#include <asm/system.h>
+
+static inline int pt_regs_trap_type(struct pt_regs *regs)
+{
+	return regs->magic & 0x1ff;
+}
+
+static inline bool pt_regs_is_syscall(struct pt_regs *regs)
+{
+	return (regs->tstate & TSTATE_SYSCALL);
+}
+
+static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
+{
+	return (regs->tstate &= ~TSTATE_SYSCALL);
+}
+
+#define arch_ptrace_stop_needed(exit_code, info) \
+({	flush_user_windows(); \
+	get_thread_wsaved() != 0; \
+})
+
+#define arch_ptrace_stop(exit_code, info) \
+	synchronize_user_stack()
+
+struct global_reg_snapshot {
+	unsigned long		tstate;
+	unsigned long		tpc;
+	unsigned long		tnpc;
+	unsigned long		o7;
+	unsigned long		i7;
+	unsigned long		rpc;
+	struct thread_info	*thread;
+	unsigned long		pad1;
+};
+extern struct global_reg_snapshot global_reg_snapshot[NR_CPUS];
+
+#define force_successful_syscall_return()	    \
+do {	current_thread_info()->syscall_noerror = 1; \
+} while (0)
+#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
+#define instruction_pointer(regs) ((regs)->tpc)
+#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
+#define regs_return_value(regs) ((regs)->u_regs[UREG_I0])
+#ifdef CONFIG_SMP
+extern unsigned long profile_pc(struct pt_regs *);
+#else
+#define profile_pc(regs) instruction_pointer(regs)
 #endif
+extern void show_regs(struct pt_regs *);
+#endif /* (__KERNEL__) */
+
+#else /* __ASSEMBLY__ */
+/* For assembly code. */
+#define TRACEREG_SZ		0xa0
+#define STACKFRAME_SZ		0xc0
+
+#define TRACEREG32_SZ		0x50
+#define STACKFRAME32_SZ		0x60
+#endif /* __ASSEMBLY__ */
+
+#else /* (defined(__sparc__) && defined(__arch64__)) */
+
+/* 32 bit sparc */
+
+#ifndef __ASSEMBLY__
+
+#ifdef __KERNEL__
+
+#include <asm/system.h>
+
+static inline bool pt_regs_is_syscall(struct pt_regs *regs)
+{
+	return (regs->psr & PSR_SYSCALL);
+}
+
+static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
+{
+	return (regs->psr &= ~PSR_SYSCALL);
+}
+
+#define arch_ptrace_stop_needed(exit_code, info) \
+({	flush_user_windows(); \
+	current_thread_info()->w_saved != 0;	\
+})
+
+#define arch_ptrace_stop(exit_code, info) \
+	synchronize_user_stack()
+
+#define user_mode(regs) (!((regs)->psr & PSR_PS))
+#define instruction_pointer(regs) ((regs)->pc)
+#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
+unsigned long profile_pc(struct pt_regs *);
+extern void show_regs(struct pt_regs *);
+#endif /* (__KERNEL__) */
+
+#else /* (!__ASSEMBLY__) */
+/* For assembly code. */
+#define TRACEREG_SZ       0x50
+#define STACKFRAME_SZ     0x60
+#endif /* (!__ASSEMBLY__) */
+
+#endif /* (defined(__sparc__) && defined(__arch64__)) */
+
+#ifdef __KERNEL__
+#define STACK_BIAS		2047
 #endif
+
+/* These are for pt_regs. */
+#define PT_V9_G0     0x00
+#define PT_V9_G1     0x08
+#define PT_V9_G2     0x10
+#define PT_V9_G3     0x18
+#define PT_V9_G4     0x20
+#define PT_V9_G5     0x28
+#define PT_V9_G6     0x30
+#define PT_V9_G7     0x38
+#define PT_V9_I0     0x40
+#define PT_V9_I1     0x48
+#define PT_V9_I2     0x50
+#define PT_V9_I3     0x58
+#define PT_V9_I4     0x60
+#define PT_V9_I5     0x68
+#define PT_V9_I6     0x70
+#define PT_V9_FP     PT_V9_I6
+#define PT_V9_I7     0x78
+#define PT_V9_TSTATE 0x80
+#define PT_V9_TPC    0x88
+#define PT_V9_TNPC   0x90
+#define PT_V9_Y      0x98
+#define PT_V9_MAGIC  0x9c
+#define PT_TSTATE	PT_V9_TSTATE
+#define PT_TPC		PT_V9_TPC
+#define PT_TNPC		PT_V9_TNPC
+
+/* These for pt_regs32. */
+#define PT_PSR    0x0
+#define PT_PC     0x4
+#define PT_NPC    0x8
+#define PT_Y      0xc
+#define PT_G0     0x10
+#define PT_WIM    PT_G0
+#define PT_G1     0x14
+#define PT_G2     0x18
+#define PT_G3     0x1c
+#define PT_G4     0x20
+#define PT_G5     0x24
+#define PT_G6     0x28
+#define PT_G7     0x2c
+#define PT_I0     0x30
+#define PT_I1     0x34
+#define PT_I2     0x38
+#define PT_I3     0x3c
+#define PT_I4     0x40
+#define PT_I5     0x44
+#define PT_I6     0x48
+#define PT_FP     PT_I6
+#define PT_I7     0x4c
+
+/* Reg_window offsets */
+#define RW_V9_L0     0x00
+#define RW_V9_L1     0x08
+#define RW_V9_L2     0x10
+#define RW_V9_L3     0x18
+#define RW_V9_L4     0x20
+#define RW_V9_L5     0x28
+#define RW_V9_L6     0x30
+#define RW_V9_L7     0x38
+#define RW_V9_I0     0x40
+#define RW_V9_I1     0x48
+#define RW_V9_I2     0x50
+#define RW_V9_I3     0x58
+#define RW_V9_I4     0x60
+#define RW_V9_I5     0x68
+#define RW_V9_I6     0x70
+#define RW_V9_I7     0x78
+
+#define RW_L0     0x00
+#define RW_L1     0x04
+#define RW_L2     0x08
+#define RW_L3     0x0c
+#define RW_L4     0x10
+#define RW_L5     0x14
+#define RW_L6     0x18
+#define RW_L7     0x1c
+#define RW_I0     0x20
+#define RW_I1     0x24
+#define RW_I2     0x28
+#define RW_I3     0x2c
+#define RW_I4     0x30
+#define RW_I5     0x34
+#define RW_I6     0x38
+#define RW_I7     0x3c
+
+/* Stack_frame offsets */
+#define SF_V9_L0     0x00
+#define SF_V9_L1     0x08
+#define SF_V9_L2     0x10
+#define SF_V9_L3     0x18
+#define SF_V9_L4     0x20
+#define SF_V9_L5     0x28
+#define SF_V9_L6     0x30
+#define SF_V9_L7     0x38
+#define SF_V9_I0     0x40
+#define SF_V9_I1     0x48
+#define SF_V9_I2     0x50
+#define SF_V9_I3     0x58
+#define SF_V9_I4     0x60
+#define SF_V9_I5     0x68
+#define SF_V9_FP     0x70
+#define SF_V9_PC     0x78
+#define SF_V9_RETP   0x80
+#define SF_V9_XARG0  0x88
+#define SF_V9_XARG1  0x90
+#define SF_V9_XARG2  0x98
+#define SF_V9_XARG3  0xa0
+#define SF_V9_XARG4  0xa8
+#define SF_V9_XARG5  0xb0
+#define SF_V9_XXARG  0xb8
+
+#define SF_L0     0x00
+#define SF_L1     0x04
+#define SF_L2     0x08
+#define SF_L3     0x0c
+#define SF_L4     0x10
+#define SF_L5     0x14
+#define SF_L6     0x18
+#define SF_L7     0x1c
+#define SF_I0     0x20
+#define SF_I1     0x24
+#define SF_I2     0x28
+#define SF_I3     0x2c
+#define SF_I4     0x30
+#define SF_I5     0x34
+#define SF_FP     0x38
+#define SF_PC     0x3c
+#define SF_RETP   0x40
+#define SF_XARG0  0x44
+#define SF_XARG1  0x48
+#define SF_XARG2  0x4c
+#define SF_XARG3  0x50
+#define SF_XARG4  0x54
+#define SF_XARG5  0x58
+#define SF_XXARG  0x5c
+
+#ifdef __KERNEL__
+
+/* global_reg_snapshot offsets */
+#define GR_SNAP_TSTATE	0x00
+#define GR_SNAP_TPC	0x08
+#define GR_SNAP_TNPC	0x10
+#define GR_SNAP_O7	0x18
+#define GR_SNAP_I7	0x20
+#define GR_SNAP_RPC	0x28
+#define GR_SNAP_THREAD	0x30
+#define GR_SNAP_PAD1	0x38
+
+#endif  /*  __KERNEL__  */
+
+/* Stuff for the ptrace system call */
+#define PTRACE_SPARC_DETACH       11
+#define PTRACE_GETREGS            12
+#define PTRACE_SETREGS            13
+#define PTRACE_GETFPREGS          14
+#define PTRACE_SETFPREGS          15
+#define PTRACE_READDATA           16
+#define PTRACE_WRITEDATA          17
+#define PTRACE_READTEXT           18
+#define PTRACE_WRITETEXT          19
+#define PTRACE_GETFPAREGS         20
+#define PTRACE_SETFPAREGS         21
+
+/* There are for debugging 64-bit processes, either from a 32 or 64 bit
+ * parent.  Thus their complements are for debugging 32-bit processes only.
+ */
+
+#define PTRACE_GETREGS64	  22
+#define PTRACE_SETREGS64	  23
+/* PTRACE_SYSCALL is 24 */
+#define PTRACE_GETFPREGS64	  25
+#define PTRACE_SETFPREGS64	  26
+
+#endif /* !(__SPARC_PTRACE_H) */
diff --git a/arch/sparc/include/asm/ptrace_32.h b/arch/sparc/include/asm/ptrace_32.h
deleted file mode 100644
index 4cef450..0000000
--- a/arch/sparc/include/asm/ptrace_32.h
+++ /dev/null
@@ -1,186 +0,0 @@
-#ifndef _SPARC_PTRACE_H
-#define _SPARC_PTRACE_H
-
-#include <asm/psr.h>
-
-/* This struct defines the way the registers are stored on the
- * stack during a system call and basically all traps.
- */
-
-#ifndef __ASSEMBLY__
-
-#include <linux/types.h>
-
-struct pt_regs {
-	unsigned long psr;
-	unsigned long pc;
-	unsigned long npc;
-	unsigned long y;
-	unsigned long u_regs[16]; /* globals and ins */
-};
-
-#define UREG_G0        0
-#define UREG_G1        1
-#define UREG_G2        2
-#define UREG_G3        3
-#define UREG_G4        4
-#define UREG_G5        5
-#define UREG_G6        6
-#define UREG_G7        7
-#define UREG_I0        8
-#define UREG_I1        9
-#define UREG_I2        10
-#define UREG_I3        11
-#define UREG_I4        12
-#define UREG_I5        13
-#define UREG_I6        14
-#define UREG_I7        15
-#define UREG_WIM       UREG_G0
-#define UREG_FADDR     UREG_G0
-#define UREG_FP        UREG_I6
-#define UREG_RETPC     UREG_I7
-
-/* A register window */
-struct reg_window {
-	unsigned long locals[8];
-	unsigned long ins[8];
-};
-
-/* A Sparc stack frame */
-struct sparc_stackf {
-	unsigned long locals[8];
-        unsigned long ins[6];
-	struct sparc_stackf *fp;
-	unsigned long callers_pc;
-	char *structptr;
-	unsigned long xargs[6];
-	unsigned long xxargs[1];
-};
-
-#define TRACEREG_SZ   sizeof(struct pt_regs)
-#define STACKFRAME_SZ sizeof(struct sparc_stackf)
-
-#ifdef __KERNEL__
-
-#include <asm/system.h>
-
-static inline bool pt_regs_is_syscall(struct pt_regs *regs)
-{
-	return (regs->psr & PSR_SYSCALL);
-}
-
-static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
-{
-	return (regs->psr &= ~PSR_SYSCALL);
-}
-
-#define arch_ptrace_stop_needed(exit_code, info) \
-({	flush_user_windows(); \
-	current_thread_info()->w_saved != 0;	\
-})
-
-#define arch_ptrace_stop(exit_code, info) \
-	synchronize_user_stack()
-
-#define user_mode(regs) (!((regs)->psr & PSR_PS))
-#define instruction_pointer(regs) ((regs)->pc)
-#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
-unsigned long profile_pc(struct pt_regs *);
-extern void show_regs(struct pt_regs *);
-#endif
-
-#else /* __ASSEMBLY__ */
-/* For assembly code. */
-#define TRACEREG_SZ       0x50
-#define STACKFRAME_SZ     0x60
-#endif
-
-/*
- * The asm-offsets.h is a generated file, so we cannot include it.
- * It may be OK for glibc headers, but it's utterly pointless for C code.
- * The assembly code using those offsets has to include it explicitly.
- */
-/* #include <asm/asm-offsets.h> */
-
-/* These are for pt_regs. */
-#define PT_PSR    0x0
-#define PT_PC     0x4
-#define PT_NPC    0x8
-#define PT_Y      0xc
-#define PT_G0     0x10
-#define PT_WIM    PT_G0
-#define PT_G1     0x14
-#define PT_G2     0x18
-#define PT_G3     0x1c
-#define PT_G4     0x20
-#define PT_G5     0x24
-#define PT_G6     0x28
-#define PT_G7     0x2c
-#define PT_I0     0x30
-#define PT_I1     0x34
-#define PT_I2     0x38
-#define PT_I3     0x3c
-#define PT_I4     0x40
-#define PT_I5     0x44
-#define PT_I6     0x48
-#define PT_FP     PT_I6
-#define PT_I7     0x4c
-
-/* Reg_window offsets */
-#define RW_L0     0x00
-#define RW_L1     0x04
-#define RW_L2     0x08
-#define RW_L3     0x0c
-#define RW_L4     0x10
-#define RW_L5     0x14
-#define RW_L6     0x18
-#define RW_L7     0x1c
-#define RW_I0     0x20
-#define RW_I1     0x24
-#define RW_I2     0x28
-#define RW_I3     0x2c
-#define RW_I4     0x30
-#define RW_I5     0x34
-#define RW_I6     0x38
-#define RW_I7     0x3c
-
-/* Stack_frame offsets */
-#define SF_L0     0x00
-#define SF_L1     0x04
-#define SF_L2     0x08
-#define SF_L3     0x0c
-#define SF_L4     0x10
-#define SF_L5     0x14
-#define SF_L6     0x18
-#define SF_L7     0x1c
-#define SF_I0     0x20
-#define SF_I1     0x24
-#define SF_I2     0x28
-#define SF_I3     0x2c
-#define SF_I4     0x30
-#define SF_I5     0x34
-#define SF_FP     0x38
-#define SF_PC     0x3c
-#define SF_RETP   0x40
-#define SF_XARG0  0x44
-#define SF_XARG1  0x48
-#define SF_XARG2  0x4c
-#define SF_XARG3  0x50
-#define SF_XARG4  0x54
-#define SF_XARG5  0x58
-#define SF_XXARG  0x5c
-
-/* Stuff for the ptrace system call */
-#define PTRACE_SPARC_DETACH       11
-#define PTRACE_GETREGS            12
-#define PTRACE_SETREGS            13
-#define PTRACE_GETFPREGS          14
-#define PTRACE_SETFPREGS          15
-#define PTRACE_READDATA           16
-#define PTRACE_WRITEDATA          17
-#define PTRACE_READTEXT           18
-#define PTRACE_WRITETEXT          19
-#define PTRACE_GETFPAREGS         20
-#define PTRACE_SETFPAREGS         21
-
-#endif /* !(_SPARC_PTRACE_H) */
diff --git a/arch/sparc/include/asm/ptrace_64.h b/arch/sparc/include/asm/ptrace_64.h
deleted file mode 100644
index cd6fbfc..0000000
--- a/arch/sparc/include/asm/ptrace_64.h
+++ /dev/null
@@ -1,356 +0,0 @@
-#ifndef _SPARC64_PTRACE_H
-#define _SPARC64_PTRACE_H
-
-#include <asm/pstate.h>
-
-/* This struct defines the way the registers are stored on the
- * stack during a system call and basically all traps.
- */
-
-/* This magic value must have the low 9 bits clear,
- * as that is where we encode the %tt value, see below.
- */
-#define PT_REGS_MAGIC 0x57ac6c00
-
-#ifndef __ASSEMBLY__
-
-#include <linux/types.h>
-
-struct pt_regs {
-	unsigned long u_regs[16]; /* globals and ins */
-	unsigned long tstate;
-	unsigned long tpc;
-	unsigned long tnpc;
-	unsigned int y;
-
-	/* We encode a magic number, PT_REGS_MAGIC, along
-	 * with the %tt (trap type) register value at trap
-	 * entry time.  The magic number allows us to identify
-	 * accurately a trap stack frame in the stack
-	 * unwinder, and the %tt value allows us to test
-	 * things like "in a system call" etc. for an arbitray
-	 * process.
-	 *
-	 * The PT_REGS_MAGIC is choosen such that it can be
-	 * loaded completely using just a sethi instruction.
-	 */
-	unsigned int magic;
-};
-
-struct pt_regs32 {
-	unsigned int psr;
-	unsigned int pc;
-	unsigned int npc;
-	unsigned int y;
-	unsigned int u_regs[16]; /* globals and ins */
-};
-
-#define UREG_G0        0
-#define UREG_G1        1
-#define UREG_G2        2
-#define UREG_G3        3
-#define UREG_G4        4
-#define UREG_G5        5
-#define UREG_G6        6
-#define UREG_G7        7
-#define UREG_I0        8
-#define UREG_I1        9
-#define UREG_I2        10
-#define UREG_I3        11
-#define UREG_I4        12
-#define UREG_I5        13
-#define UREG_I6        14
-#define UREG_I7        15
-#define UREG_FP        UREG_I6
-#define UREG_RETPC     UREG_I7
-
-/* A V9 register window */
-struct reg_window {
-	unsigned long locals[8];
-	unsigned long ins[8];
-};
-
-/* A 32-bit register window. */
-struct reg_window32 {
-	unsigned int locals[8];
-	unsigned int ins[8];
-};
-
-/* A V9 Sparc stack frame */
-struct sparc_stackf {
-	unsigned long locals[8];
-        unsigned long ins[6];
-	struct sparc_stackf *fp;
-	unsigned long callers_pc;
-	char *structptr;
-	unsigned long xargs[6];
-	unsigned long xxargs[1];
-};
-
-/* A 32-bit Sparc stack frame */
-struct sparc_stackf32 {
-	unsigned int locals[8];
-        unsigned int ins[6];
-	unsigned int fp;
-	unsigned int callers_pc;
-	unsigned int structptr;
-	unsigned int xargs[6];
-	unsigned int xxargs[1];
-};
-
-struct sparc_trapf {
-	unsigned long locals[8];
-	unsigned long ins[8];
-	unsigned long _unused;
-	struct pt_regs *regs;
-};
-
-#define TRACEREG_SZ	sizeof(struct pt_regs)
-#define STACKFRAME_SZ	sizeof(struct sparc_stackf)
-
-#define TRACEREG32_SZ	sizeof(struct pt_regs32)
-#define STACKFRAME32_SZ	sizeof(struct sparc_stackf32)
-
-#ifdef __KERNEL__
-
-#include <linux/threads.h>
-#include <asm/system.h>
-
-static inline int pt_regs_trap_type(struct pt_regs *regs)
-{
-	return regs->magic & 0x1ff;
-}
-
-static inline bool pt_regs_is_syscall(struct pt_regs *regs)
-{
-	return (regs->tstate & TSTATE_SYSCALL);
-}
-
-static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
-{
-	return (regs->tstate &= ~TSTATE_SYSCALL);
-}
-
-#define arch_ptrace_stop_needed(exit_code, info) \
-({	flush_user_windows(); \
-	get_thread_wsaved() != 0; \
-})
-
-#define arch_ptrace_stop(exit_code, info) \
-	synchronize_user_stack()
-
-struct global_reg_snapshot {
-	unsigned long		tstate;
-	unsigned long		tpc;
-	unsigned long		tnpc;
-	unsigned long		o7;
-	unsigned long		i7;
-	unsigned long		rpc;
-	struct thread_info	*thread;
-	unsigned long		pad1;
-};
-extern struct global_reg_snapshot global_reg_snapshot[NR_CPUS];
-
-#define force_successful_syscall_return()	    \
-do {	current_thread_info()->syscall_noerror = 1; \
-} while (0)
-#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
-#define instruction_pointer(regs) ((regs)->tpc)
-#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
-#define regs_return_value(regs) ((regs)->u_regs[UREG_I0])
-#ifdef CONFIG_SMP
-extern unsigned long profile_pc(struct pt_regs *);
-#else
-#define profile_pc(regs) instruction_pointer(regs)
-#endif
-extern void show_regs(struct pt_regs *);
-#endif
-
-#else /* __ASSEMBLY__ */
-/* For assembly code. */
-#define TRACEREG_SZ		0xa0
-#define STACKFRAME_SZ		0xc0
-
-#define TRACEREG32_SZ		0x50
-#define STACKFRAME32_SZ		0x60
-#endif
-
-#ifdef __KERNEL__
-#define STACK_BIAS		2047
-#endif
-
-/* These are for pt_regs. */
-#define PT_V9_G0     0x00
-#define PT_V9_G1     0x08
-#define PT_V9_G2     0x10
-#define PT_V9_G3     0x18
-#define PT_V9_G4     0x20
-#define PT_V9_G5     0x28
-#define PT_V9_G6     0x30
-#define PT_V9_G7     0x38
-#define PT_V9_I0     0x40
-#define PT_V9_I1     0x48
-#define PT_V9_I2     0x50
-#define PT_V9_I3     0x58
-#define PT_V9_I4     0x60
-#define PT_V9_I5     0x68
-#define PT_V9_I6     0x70
-#define PT_V9_FP     PT_V9_I6
-#define PT_V9_I7     0x78
-#define PT_V9_TSTATE 0x80
-#define PT_V9_TPC    0x88
-#define PT_V9_TNPC   0x90
-#define PT_V9_Y      0x98
-#define PT_V9_MAGIC  0x9c
-#define PT_TSTATE	PT_V9_TSTATE
-#define PT_TPC		PT_V9_TPC
-#define PT_TNPC		PT_V9_TNPC
-
-/* These for pt_regs32. */
-#define PT_PSR    0x0
-#define PT_PC     0x4
-#define PT_NPC    0x8
-#define PT_Y      0xc
-#define PT_G0     0x10
-#define PT_WIM    PT_G0
-#define PT_G1     0x14
-#define PT_G2     0x18
-#define PT_G3     0x1c
-#define PT_G4     0x20
-#define PT_G5     0x24
-#define PT_G6     0x28
-#define PT_G7     0x2c
-#define PT_I0     0x30
-#define PT_I1     0x34
-#define PT_I2     0x38
-#define PT_I3     0x3c
-#define PT_I4     0x40
-#define PT_I5     0x44
-#define PT_I6     0x48
-#define PT_FP     PT_I6
-#define PT_I7     0x4c
-
-/* Reg_window offsets */
-#define RW_V9_L0     0x00
-#define RW_V9_L1     0x08
-#define RW_V9_L2     0x10
-#define RW_V9_L3     0x18
-#define RW_V9_L4     0x20
-#define RW_V9_L5     0x28
-#define RW_V9_L6     0x30
-#define RW_V9_L7     0x38
-#define RW_V9_I0     0x40
-#define RW_V9_I1     0x48
-#define RW_V9_I2     0x50
-#define RW_V9_I3     0x58
-#define RW_V9_I4     0x60
-#define RW_V9_I5     0x68
-#define RW_V9_I6     0x70
-#define RW_V9_I7     0x78
-
-#define RW_L0     0x00
-#define RW_L1     0x04
-#define RW_L2     0x08
-#define RW_L3     0x0c
-#define RW_L4     0x10
-#define RW_L5     0x14
-#define RW_L6     0x18
-#define RW_L7     0x1c
-#define RW_I0     0x20
-#define RW_I1     0x24
-#define RW_I2     0x28
-#define RW_I3     0x2c
-#define RW_I4     0x30
-#define RW_I5     0x34
-#define RW_I6     0x38
-#define RW_I7     0x3c
-
-/* Stack_frame offsets */
-#define SF_V9_L0     0x00
-#define SF_V9_L1     0x08
-#define SF_V9_L2     0x10
-#define SF_V9_L3     0x18
-#define SF_V9_L4     0x20
-#define SF_V9_L5     0x28
-#define SF_V9_L6     0x30
-#define SF_V9_L7     0x38
-#define SF_V9_I0     0x40
-#define SF_V9_I1     0x48
-#define SF_V9_I2     0x50
-#define SF_V9_I3     0x58
-#define SF_V9_I4     0x60
-#define SF_V9_I5     0x68
-#define SF_V9_FP     0x70
-#define SF_V9_PC     0x78
-#define SF_V9_RETP   0x80
-#define SF_V9_XARG0  0x88
-#define SF_V9_XARG1  0x90
-#define SF_V9_XARG2  0x98
-#define SF_V9_XARG3  0xa0
-#define SF_V9_XARG4  0xa8
-#define SF_V9_XARG5  0xb0
-#define SF_V9_XXARG  0xb8
-
-#define SF_L0     0x00
-#define SF_L1     0x04
-#define SF_L2     0x08
-#define SF_L3     0x0c
-#define SF_L4     0x10
-#define SF_L5     0x14
-#define SF_L6     0x18
-#define SF_L7     0x1c
-#define SF_I0     0x20
-#define SF_I1     0x24
-#define SF_I2     0x28
-#define SF_I3     0x2c
-#define SF_I4     0x30
-#define SF_I5     0x34
-#define SF_FP     0x38
-#define SF_PC     0x3c
-#define SF_RETP   0x40
-#define SF_XARG0  0x44
-#define SF_XARG1  0x48
-#define SF_XARG2  0x4c
-#define SF_XARG3  0x50
-#define SF_XARG4  0x54
-#define SF_XARG5  0x58
-#define SF_XXARG  0x5c
-
-#ifdef __KERNEL__
-
-/* global_reg_snapshot offsets */
-#define GR_SNAP_TSTATE	0x00
-#define GR_SNAP_TPC	0x08
-#define GR_SNAP_TNPC	0x10
-#define GR_SNAP_O7	0x18
-#define GR_SNAP_I7	0x20
-#define GR_SNAP_RPC	0x28
-#define GR_SNAP_THREAD	0x30
-#define GR_SNAP_PAD1	0x38
-
-#endif  /*  __KERNEL__  */
-
-/* Stuff for the ptrace system call */
-#define PTRACE_SPARC_DETACH       11
-#define PTRACE_GETREGS            12
-#define PTRACE_SETREGS            13
-#define PTRACE_GETFPREGS          14
-#define PTRACE_SETFPREGS          15
-#define PTRACE_READDATA           16
-#define PTRACE_WRITEDATA          17
-#define PTRACE_READTEXT           18
-#define PTRACE_WRITETEXT          19
-#define PTRACE_GETFPAREGS         20
-#define PTRACE_SETFPAREGS         21
-
-/* There are for debugging 64-bit processes, either from a 32 or 64 bit
- * parent.  Thus their complements are for debugging 32-bit processes only.
- */
-
-#define PTRACE_GETREGS64	  22
-#define PTRACE_SETREGS64	  23
-/* PTRACE_SYSCALL is 24 */
-#define PTRACE_GETFPREGS64	  25
-#define PTRACE_SETFPREGS64	  26
-
-#endif /* !(_SPARC64_PTRACE_H) */
diff --git a/arch/sparc/include/asm/reg.h b/arch/sparc/include/asm/reg.h
deleted file mode 100644
index 0c16e19..0000000
--- a/arch/sparc/include/asm/reg.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef ___ASM_SPARC_REG_H
-#define ___ASM_SPARC_REG_H
-#if defined(__sparc__) && defined(__arch64__)
-#include <asm/reg_64.h>
-#else
-#include <asm/reg_32.h>
-#endif
-#endif
diff --git a/arch/sparc/include/asm/reg_32.h b/arch/sparc/include/asm/reg_32.h
deleted file mode 100644
index 1efb056..0000000
--- a/arch/sparc/include/asm/reg_32.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * linux/include/asm/reg.h
- * Layout of the registers as expected by gdb on the Sparc
- * we should replace the user.h definitions with those in
- * this file, we don't even use the other
- * -miguel
- *
- * The names of the structures, constants and aliases in this file
- * have the same names as the sunos ones, some programs rely on these
- * names (gdb for example).
- *
- */
-
-#ifndef __SPARC_REG_H
-#define __SPARC_REG_H
-
-struct regs {
-	int     r_psr;
-#define r_ps r_psr
-        int     r_pc;
-        int     r_npc;
-        int     r_y;
-        int     r_g1;
-        int     r_g2;
-        int     r_g3;
-        int     r_g4;
-        int     r_g5;
-        int     r_g6;
-        int     r_g7;
-        int     r_o0;
-        int     r_o1;
-        int     r_o2;
-        int     r_o3;
-        int     r_o4;
-        int     r_o5;
-        int     r_o6;
-        int     r_o7;
-};
-
-struct fpq {
-        unsigned long *addr;
-        unsigned long instr;
-};
-
-struct  fq {
-        union {
-                double  whole;
-                struct  fpq fpq;
-        } FQu;
-};
-
-#define FPU_REGS_TYPE unsigned int
-#define FPU_FSR_TYPE unsigned
-
-struct fp_status {
-        union {
-                FPU_REGS_TYPE Fpu_regs[32];
-                double  Fpu_dregs[16];
-        } fpu_fr;
-        FPU_FSR_TYPE Fpu_fsr;
-        unsigned Fpu_flags;
-        unsigned Fpu_extra;
-        unsigned Fpu_qcnt;
-        struct fq Fpu_q[16];
-};
-
-#define fpu_regs  f_fpstatus.fpu_fr.Fpu_regs
-#define fpu_dregs f_fpstatus.fpu_fr.Fpu_dregs
-#define fpu_fsr   f_fpstatus.Fpu_fsr
-#define fpu_flags f_fpstatus.Fpu_flags
-#define fpu_extra f_fpstatus.Fpu_extra
-#define fpu_q     f_fpstatus.Fpu_q
-#define fpu_qcnt  f_fpstatus.Fpu_qcnt
-
-struct fpu {
-        struct fp_status f_fpstatus;
-};
-
-#endif /* __SPARC_REG_H */
diff --git a/arch/sparc/include/asm/reg_64.h b/arch/sparc/include/asm/reg_64.h
deleted file mode 100644
index 6f277d7..0000000
--- a/arch/sparc/include/asm/reg_64.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * linux/asm/reg.h
- * Layout of the registers as expected by gdb on the Sparc
- * we should replace the user.h definitions with those in
- * this file, we don't even use the other
- * -miguel
- *
- * The names of the structures, constants and aliases in this file
- * have the same names as the sunos ones, some programs rely on these
- * names (gdb for example).
- *
- */
-
-#ifndef __SPARC64_REG_H
-#define __SPARC64_REG_H
-
-struct regs {
-        unsigned long r_g1;
-        unsigned long r_g2;
-        unsigned long r_g3;
-        unsigned long r_g4;
-        unsigned long r_g5;
-        unsigned long r_g6;
-        unsigned long r_g7;
-        unsigned long r_o0;
-        unsigned long r_o1;
-        unsigned long r_o2;
-        unsigned long r_o3;
-        unsigned long r_o4;
-        unsigned long r_o5;
-        unsigned long r_o6;
-        unsigned long r_o7;
-        unsigned long __pad;
-        unsigned long r_tstate;
-        unsigned long r_tpc;
-        unsigned long r_tnpc;
-        unsigned int  r_y;
-        unsigned int  r_fprs;
-};
-
-#define FPU_REGS_TYPE unsigned int
-#define FPU_FSR_TYPE unsigned long
-
-struct fp_status {
-        unsigned long fpu_fr[32];
-        unsigned long Fpu_fsr;
-};
-
-struct fpu {
-	struct fp_status f_fpstatus;
-};
-
-#define fpu_regs  f_fpstatus.fpu_fr
-#define fpu_fsr   f_fpstatus.Fpu_fsr
-
-#endif /* __SPARC64_REG_H */
diff --git a/arch/sparc/include/asm/sigcontext.h b/arch/sparc/include/asm/sigcontext.h
index e92de7e..a1607d18 100644
--- a/arch/sparc/include/asm/sigcontext.h
+++ b/arch/sparc/include/asm/sigcontext.h
@@ -1,8 +1,96 @@
-#ifndef ___ASM_SPARC_SIGCONTEXT_H
-#define ___ASM_SPARC_SIGCONTEXT_H
-#if defined(__sparc__) && defined(__arch64__)
-#include <asm/sigcontext_64.h>
+#ifndef __SPARC_SIGCONTEXT_H
+#define __SPARC_SIGCONTEXT_H
+
+#ifdef __KERNEL__
+#include <asm/ptrace.h>
+
+#ifndef __ASSEMBLY__
+
+#define __SUNOS_MAXWIN   31
+
+/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */
+struct sigcontext32 {
+	int sigc_onstack;      /* state to restore */
+	int sigc_mask;         /* sigmask to restore */
+	int sigc_sp;           /* stack pointer */
+	int sigc_pc;           /* program counter */
+	int sigc_npc;          /* next program counter */
+	int sigc_psr;          /* for condition codes etc */
+	int sigc_g1;           /* User uses these two registers */
+	int sigc_o0;           /* within the trampoline code. */
+
+	/* Now comes information regarding the users window set
+	 * at the time of the signal.
+	 */
+	int sigc_oswins;       /* outstanding windows */
+
+	/* stack ptrs for each regwin buf */
+	unsigned sigc_spbuf[__SUNOS_MAXWIN];
+
+	/* Windows to restore after signal */
+	struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN];
+};
+
+
+/* This is what we use for 32bit new non-rt signals. */
+
+typedef struct {
+	struct {
+		unsigned int psr;
+		unsigned int pc;
+		unsigned int npc;
+		unsigned int y;
+		unsigned int u_regs[16]; /* globals and ins */
+	}			si_regs;
+	int			si_mask;
+} __siginfo32_t;
+
+#ifdef CONFIG_SPARC64
+typedef struct {
+	unsigned   int si_float_regs [64];
+	unsigned   long si_fsr;
+	unsigned   long si_gsr;
+	unsigned   long si_fprs;
+} __siginfo_fpu_t;
+
+/* This is what SunOS doesn't, so we have to write this alone
+   and do it properly. */
+struct sigcontext {
+	/* The size of this array has to match SI_MAX_SIZE from siginfo.h */
+	char			sigc_info[128];
+	struct {
+		unsigned long	u_regs[16]; /* globals and ins */
+		unsigned long	tstate;
+		unsigned long	tpc;
+		unsigned long	tnpc;
+		unsigned int	y;
+		unsigned int	fprs;
+	}			sigc_regs;
+	__siginfo_fpu_t *	sigc_fpu_save;
+	struct {
+		void	*	ss_sp;
+		int		ss_flags;
+		unsigned long	ss_size;
+	}			sigc_stack;
+	unsigned long		sigc_mask;
+};
+
 #else
-#include <asm/sigcontext_32.h>
-#endif
-#endif
+
+typedef struct {
+	unsigned long si_float_regs [32];
+	unsigned long si_fsr;
+	unsigned long si_fpqdepth;
+	struct {
+		unsigned long *insn_addr;
+		unsigned long insn;
+	} si_fpqueue [16];
+} __siginfo_fpu_t;
+#endif /* (CONFIG_SPARC64) */
+
+
+#endif /* !(__ASSEMBLY__) */
+
+#endif /* (__KERNEL__) */
+
+#endif /* !(__SPARC_SIGCONTEXT_H) */
diff --git a/arch/sparc/include/asm/sigcontext_32.h b/arch/sparc/include/asm/sigcontext_32.h
deleted file mode 100644
index c5fb60d..0000000
--- a/arch/sparc/include/asm/sigcontext_32.h
+++ /dev/null
@@ -1,62 +0,0 @@
-#ifndef __SPARC_SIGCONTEXT_H
-#define __SPARC_SIGCONTEXT_H
-
-#ifdef __KERNEL__
-#include <asm/ptrace.h>
-
-#ifndef __ASSEMBLY__
-
-#define __SUNOS_MAXWIN   31
-
-/* This is what SunOS does, so shall I. */
-struct sigcontext {
-	int sigc_onstack;      /* state to restore */
-	int sigc_mask;         /* sigmask to restore */
-	int sigc_sp;           /* stack pointer */
-	int sigc_pc;           /* program counter */
-	int sigc_npc;          /* next program counter */
-	int sigc_psr;          /* for condition codes etc */
-	int sigc_g1;           /* User uses these two registers */
-	int sigc_o0;           /* within the trampoline code. */
-
-	/* Now comes information regarding the users window set
-	 * at the time of the signal.
-	 */
-	int sigc_oswins;       /* outstanding windows */
-
-	/* stack ptrs for each regwin buf */
-	char *sigc_spbuf[__SUNOS_MAXWIN];
-
-	/* Windows to restore after signal */
-	struct {
-		unsigned long	locals[8];
-		unsigned long	ins[8];
-	} sigc_wbuf[__SUNOS_MAXWIN];
-};
-
-typedef struct {
-	struct {
-		unsigned long psr;
-		unsigned long pc;
-		unsigned long npc;
-		unsigned long y;
-		unsigned long u_regs[16]; /* globals and ins */
-	}		si_regs;
-	int		si_mask;
-} __siginfo_t;
-
-typedef struct {
-	unsigned   long si_float_regs [32];
-	unsigned   long si_fsr;
-	unsigned   long si_fpqdepth;
-	struct {
-		unsigned long *insn_addr;
-		unsigned long insn;
-	} si_fpqueue [16];
-} __siginfo_fpu_t;
-
-#endif /* !(__ASSEMBLY__) */
-
-#endif /* (__KERNEL__) */
-
-#endif /* !(__SPARC_SIGCONTEXT_H) */
diff --git a/arch/sparc/include/asm/sigcontext_64.h b/arch/sparc/include/asm/sigcontext_64.h
deleted file mode 100644
index 1c868d6..0000000
--- a/arch/sparc/include/asm/sigcontext_64.h
+++ /dev/null
@@ -1,87 +0,0 @@
-#ifndef __SPARC64_SIGCONTEXT_H
-#define __SPARC64_SIGCONTEXT_H
-
-#ifdef __KERNEL__
-#include <asm/ptrace.h>
-#endif
-
-#ifndef __ASSEMBLY__
-
-#ifdef __KERNEL__
-
-#define __SUNOS_MAXWIN   31
-
-/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */
-struct sigcontext32 {
-	int sigc_onstack;      /* state to restore */
-	int sigc_mask;         /* sigmask to restore */
-	int sigc_sp;           /* stack pointer */
-	int sigc_pc;           /* program counter */
-	int sigc_npc;          /* next program counter */
-	int sigc_psr;          /* for condition codes etc */
-	int sigc_g1;           /* User uses these two registers */
-	int sigc_o0;           /* within the trampoline code. */
-
-	/* Now comes information regarding the users window set
-	 * at the time of the signal.
-	 */
-	int sigc_oswins;       /* outstanding windows */
-
-	/* stack ptrs for each regwin buf */
-	unsigned sigc_spbuf[__SUNOS_MAXWIN];
-
-	/* Windows to restore after signal */
-	struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN];
-};
-
-#endif
-
-#ifdef __KERNEL__
-
-/* This is what we use for 32bit new non-rt signals. */
-
-typedef struct {
-	struct {
-		unsigned int psr;
-		unsigned int pc;
-		unsigned int npc;
-		unsigned int y;
-		unsigned int u_regs[16]; /* globals and ins */
-	}			si_regs;
-	int			si_mask;
-} __siginfo32_t;
-
-#endif
-
-typedef struct {
-	unsigned   int si_float_regs [64];
-	unsigned   long si_fsr;
-	unsigned   long si_gsr;
-	unsigned   long si_fprs;
-} __siginfo_fpu_t;
-
-/* This is what SunOS doesn't, so we have to write this alone
-   and do it properly. */
-struct sigcontext {
-	/* The size of this array has to match SI_MAX_SIZE from siginfo.h */
-	char			sigc_info[128];
-	struct {
-		unsigned long	u_regs[16]; /* globals and ins */
-		unsigned long	tstate;
-		unsigned long	tpc;
-		unsigned long	tnpc;
-		unsigned int	y;
-		unsigned int	fprs;
-	}			sigc_regs;
-	__siginfo_fpu_t *	sigc_fpu_save;
-	struct {
-		void	*	ss_sp;
-		int		ss_flags;
-		unsigned long	ss_size;
-	}			sigc_stack;
-	unsigned long		sigc_mask;
-};
-
-#endif /* !(__ASSEMBLY__) */
-
-#endif /* !(__SPARC64_SIGCONTEXT_H) */
diff --git a/arch/sparc/include/asm/siginfo.h b/arch/sparc/include/asm/siginfo.h
index bd81f8d..988e5d8 100644
--- a/arch/sparc/include/asm/siginfo.h
+++ b/arch/sparc/include/asm/siginfo.h
@@ -1,8 +1,37 @@
-#ifndef ___ASM_SPARC_SIGINFO_H
-#define ___ASM_SPARC_SIGINFO_H
+#ifndef __SPARC_SIGINFO_H
+#define __SPARC_SIGINFO_H
+
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm/siginfo_64.h>
-#else
-#include <asm/siginfo_32.h>
-#endif
-#endif
+
+#define SI_PAD_SIZE32	((SI_MAX_SIZE/sizeof(int)) - 3)
+#define __ARCH_SI_PREAMBLE_SIZE	(4 * sizeof(int))
+#define __ARCH_SI_BAND_T int
+
+#endif /* defined(__sparc__) && defined(__arch64__) */
+
+
+#define __ARCH_SI_TRAPNO
+
+#include <asm-generic/siginfo.h>
+
+#ifdef __KERNEL__
+
+#include <linux/compat.h>
+
+#ifdef CONFIG_COMPAT
+
+struct compat_siginfo;
+
+#endif /* CONFIG_COMPAT */
+
+#endif /* __KERNEL__ */
+
+#define SI_NOINFO	32767		/* no information in siginfo_t */
+
+/*
+ * SIGEMT si_codes
+ */
+#define EMT_TAGOVF	(__SI_FAULT|1)	/* tag overflow */
+#define NSIGEMT		1
+
+#endif /* !(__SPARC_SIGINFO_H) */
diff --git a/arch/sparc/include/asm/siginfo_32.h b/arch/sparc/include/asm/siginfo_32.h
deleted file mode 100644
index 3c71af1..0000000
--- a/arch/sparc/include/asm/siginfo_32.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef _SPARC_SIGINFO_H
-#define _SPARC_SIGINFO_H
-
-#define __ARCH_SI_UID_T		unsigned int
-#define __ARCH_SI_TRAPNO
-
-#include <asm-generic/siginfo.h>
-
-#define SI_NOINFO	32767		/* no information in siginfo_t */
-
-/*
- * SIGEMT si_codes
- */
-#define EMT_TAGOVF	(__SI_FAULT|1)	/* tag overflow */
-#define NSIGEMT		1
-
-#endif /* !(_SPARC_SIGINFO_H) */
diff --git a/arch/sparc/include/asm/siginfo_64.h b/arch/sparc/include/asm/siginfo_64.h
deleted file mode 100644
index c96e6c3..0000000
--- a/arch/sparc/include/asm/siginfo_64.h
+++ /dev/null
@@ -1,32 +0,0 @@
-#ifndef _SPARC64_SIGINFO_H
-#define _SPARC64_SIGINFO_H
-
-#define SI_PAD_SIZE32	((SI_MAX_SIZE/sizeof(int)) - 3)
-
-#define __ARCH_SI_PREAMBLE_SIZE	(4 * sizeof(int))
-#define __ARCH_SI_TRAPNO
-#define __ARCH_SI_BAND_T int
-
-#include <asm-generic/siginfo.h>
-
-#ifdef __KERNEL__
-
-#include <linux/compat.h>
-
-#ifdef CONFIG_COMPAT
-
-struct compat_siginfo;
-
-#endif /* CONFIG_COMPAT */
-
-#endif /* __KERNEL__ */
-
-#define SI_NOINFO	32767		/* no information in siginfo_t */
-
-/*
- * SIGEMT si_codes
- */
-#define EMT_TAGOVF	(__SI_FAULT|1)	/* tag overflow */
-#define NSIGEMT		1
-
-#endif
diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h
index 27ab05d..41535e7 100644
--- a/arch/sparc/include/asm/signal.h
+++ b/arch/sparc/include/asm/signal.h
@@ -1,8 +1,210 @@
-#ifndef ___ASM_SPARC_SIGNAL_H
-#define ___ASM_SPARC_SIGNAL_H
-#if defined(__sparc__) && defined(__arch64__)
-#include <asm/signal_64.h>
+#ifndef __SPARC_SIGNAL_H
+#define __SPARC_SIGNAL_H
+
+#include <asm/sigcontext.h>
+#include <linux/compiler.h>
+
+#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
+#include <linux/personality.h>
+#include <linux/types.h>
+#endif
+#endif
+
+/* On the Sparc the signal handlers get passed a 'sub-signal' code
+ * for certain signal types, which we document here.
+ */
+#define SIGHUP		 1
+#define SIGINT		 2
+#define SIGQUIT		 3
+#define SIGILL		 4
+#define    SUBSIG_STACK       0
+#define    SUBSIG_ILLINST     2
+#define    SUBSIG_PRIVINST    3
+#define    SUBSIG_BADTRAP(t)  (0x80 + (t))
+
+#define SIGTRAP		 5
+#define SIGABRT		 6
+#define SIGIOT		 6
+
+#define SIGEMT           7
+#define    SUBSIG_TAG    10
+
+#define SIGFPE		 8
+#define    SUBSIG_FPDISABLED     0x400
+#define    SUBSIG_FPERROR        0x404
+#define    SUBSIG_FPINTOVFL      0x001
+#define    SUBSIG_FPSTSIG        0x002
+#define    SUBSIG_IDIVZERO       0x014
+#define    SUBSIG_FPINEXACT      0x0c4
+#define    SUBSIG_FPDIVZERO      0x0c8
+#define    SUBSIG_FPUNFLOW       0x0cc
+#define    SUBSIG_FPOPERROR      0x0d0
+#define    SUBSIG_FPOVFLOW       0x0d4
+
+#define SIGKILL		 9
+#define SIGBUS          10
+#define    SUBSIG_BUSTIMEOUT    1
+#define    SUBSIG_ALIGNMENT     2
+#define    SUBSIG_MISCERROR     5
+
+#define SIGSEGV		11
+#define    SUBSIG_NOMAPPING     3
+#define    SUBSIG_PROTECTION    4
+#define    SUBSIG_SEGERROR      5
+
+#define SIGSYS		12
+
+#define SIGPIPE		13
+#define SIGALRM		14
+#define SIGTERM		15
+#define SIGURG          16
+
+/* SunOS values which deviate from the Linux/i386 ones */
+#define SIGSTOP		17
+#define SIGTSTP		18
+#define SIGCONT		19
+#define SIGCHLD		20
+#define SIGTTIN		21
+#define SIGTTOU		22
+#define SIGIO		23
+#define SIGPOLL		SIGIO   /* SysV name for SIGIO */
+#define SIGXCPU		24
+#define SIGXFSZ		25
+#define SIGVTALRM	26
+#define SIGPROF		27
+#define SIGWINCH	28
+#define SIGLOST		29
+#define SIGPWR		SIGLOST
+#define SIGUSR1		30
+#define SIGUSR2		31
+
+/* Most things should be clean enough to redefine this at will, if care
+   is taken to make libc match.  */
+
+#define __OLD_NSIG	32
+#define __NEW_NSIG      64
+#define _NSIG_BPW       64
+#define _NSIG_WORDS     (__NEW_NSIG / _NSIG_BPW)
+
+#define SIGRTMIN       32
+#define SIGRTMAX       __NEW_NSIG
+
+#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
+#define _NSIG			__NEW_NSIG
+#define __new_sigset_t		sigset_t
+#define __new_sigaction		sigaction
+#define __new_sigaction32	sigaction32
+#define __old_sigset_t		old_sigset_t
+#define __old_sigaction		old_sigaction
+#define __old_sigaction32	old_sigaction32
 #else
-#include <asm/signal_32.h>
+#define _NSIG			__OLD_NSIG
+#define NSIG			_NSIG
+#define __old_sigset_t		sigset_t
+#define __old_sigaction		sigaction
+#define __old_sigaction32	sigaction32
 #endif
+
+#ifndef __ASSEMBLY__
+
+typedef unsigned long __old_sigset_t;            /* at least 32 bits */
+
+typedef struct {
+       unsigned long sig[_NSIG_WORDS];
+} __new_sigset_t;
+
+/* A SunOS sigstack */
+struct sigstack {
+	/* XXX 32-bit pointers pinhead XXX */
+	char *the_stack;
+	int   cur_status;
+};
+
+/* Sigvec flags */
+#define _SV_SSTACK    1u    /* This signal handler should use sig-stack */
+#define _SV_INTR      2u    /* Sig return should not restart system call */
+#define _SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
+#define _SV_IGNCHILD  8u    /* Do not send SIGCHLD */
+
+/*
+ * sa_flags values: SA_STACK is not currently supported, but will allow the
+ * usage of signal stacks by using the (now obsolete) sa_restorer field in
+ * the sigaction structure as a stack pointer. This is now possible due to
+ * the changes in signal handling. LBT 010493.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ */
+#define SA_NOCLDSTOP	_SV_IGNCHILD
+#define SA_STACK	_SV_SSTACK
+#define SA_ONSTACK	_SV_SSTACK
+#define SA_RESTART	_SV_INTR
+#define SA_ONESHOT	_SV_RESET
+#define SA_NOMASK	0x20u
+#define SA_NOCLDWAIT    0x100u
+#define SA_SIGINFO      0x200u
+
+
+#define SIG_BLOCK          0x01	/* for blocking signals */
+#define SIG_UNBLOCK        0x02	/* for unblocking signals */
+#define SIG_SETMASK        0x04	/* for setting the signal mask */
+
+/*
+ * sigaltstack controls
+ */
+#define SS_ONSTACK	1
+#define SS_DISABLE	2
+
+#define MINSIGSTKSZ	4096
+#define SIGSTKSZ	16384
+
+#ifdef __KERNEL__
+/*
+ * DJHR
+ * SA_STATIC_ALLOC is used for the sparc32 system to indicate that this
+ * interrupt handler's irq structure should be statically allocated
+ * by the request_irq routine.
+ * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge
+ * of interrupt usage and that sucks. Also without a flag like this
+ * it may be possible for the free_irq routine to attempt to free
+ * statically allocated data.. which is NOT GOOD.
+ *
+ */
+#define SA_STATIC_ALLOC         0x8000
 #endif
+
+#include <asm-generic/signal.h>
+
+struct __new_sigaction {
+	__sighandler_t		sa_handler;
+	unsigned long		sa_flags;
+	__sigrestore_t		sa_restorer;  /* not used by Linux/SPARC yet */
+	__new_sigset_t		sa_mask;
+};
+
+struct __old_sigaction {
+	__sighandler_t		sa_handler;
+	__old_sigset_t		sa_mask;
+	unsigned long		sa_flags;
+	void			(*sa_restorer)(void);  /* not used by Linux/SPARC yet */
+};
+
+typedef struct sigaltstack {
+	void			__user *ss_sp;
+	int			ss_flags;
+	size_t			ss_size;
+} stack_t;
+
+#ifdef __KERNEL__
+
+struct k_sigaction {
+	struct			__new_sigaction sa;
+	void			__user *ka_restorer;
+};
+
+#define ptrace_signal_deliver(regs, cookie) do { } while (0)
+
+#endif /* !(__KERNEL__) */
+
+#endif /* !(__ASSEMBLY__) */
+
+#endif /* !(__SPARC_SIGNAL_H) */
diff --git a/arch/sparc/include/asm/signal_32.h b/arch/sparc/include/asm/signal_32.h
deleted file mode 100644
index 96a60ab..0000000
--- a/arch/sparc/include/asm/signal_32.h
+++ /dev/null
@@ -1,207 +0,0 @@
-#ifndef _ASMSPARC_SIGNAL_H
-#define _ASMSPARC_SIGNAL_H
-
-#include <asm/sigcontext.h>
-#include <linux/compiler.h>
-
-#ifdef __KERNEL__
-#ifndef __ASSEMBLY__
-#include <linux/personality.h>
-#include <linux/types.h>
-#endif
-#endif
-
-/* On the Sparc the signal handlers get passed a 'sub-signal' code
- * for certain signal types, which we document here.
- */
-#define SIGHUP		 1
-#define SIGINT		 2
-#define SIGQUIT		 3
-#define SIGILL		 4
-#define    SUBSIG_STACK       0
-#define    SUBSIG_ILLINST     2
-#define    SUBSIG_PRIVINST    3
-#define    SUBSIG_BADTRAP(t)  (0x80 + (t))
-
-#define SIGTRAP		 5
-#define SIGABRT		 6
-#define SIGIOT		 6
-
-#define SIGEMT           7
-#define    SUBSIG_TAG    10
-
-#define SIGFPE		 8
-#define    SUBSIG_FPDISABLED     0x400
-#define    SUBSIG_FPERROR        0x404
-#define    SUBSIG_FPINTOVFL      0x001
-#define    SUBSIG_FPSTSIG        0x002
-#define    SUBSIG_IDIVZERO       0x014
-#define    SUBSIG_FPINEXACT      0x0c4
-#define    SUBSIG_FPDIVZERO      0x0c8
-#define    SUBSIG_FPUNFLOW       0x0cc
-#define    SUBSIG_FPOPERROR      0x0d0
-#define    SUBSIG_FPOVFLOW       0x0d4
-
-#define SIGKILL		 9
-#define SIGBUS          10
-#define    SUBSIG_BUSTIMEOUT    1
-#define    SUBSIG_ALIGNMENT     2
-#define    SUBSIG_MISCERROR     5
-
-#define SIGSEGV		11
-#define    SUBSIG_NOMAPPING     3
-#define    SUBSIG_PROTECTION    4
-#define    SUBSIG_SEGERROR      5
-
-#define SIGSYS		12
-
-#define SIGPIPE		13
-#define SIGALRM		14
-#define SIGTERM		15
-#define SIGURG          16
-
-/* SunOS values which deviate from the Linux/i386 ones */
-#define SIGSTOP		17
-#define SIGTSTP		18
-#define SIGCONT		19
-#define SIGCHLD		20
-#define SIGTTIN		21
-#define SIGTTOU		22
-#define SIGIO		23
-#define SIGPOLL		SIGIO   /* SysV name for SIGIO */
-#define SIGXCPU		24
-#define SIGXFSZ		25
-#define SIGVTALRM	26
-#define SIGPROF		27
-#define SIGWINCH	28
-#define SIGLOST		29
-#define SIGPWR		SIGLOST
-#define SIGUSR1		30
-#define SIGUSR2		31
-
-/* Most things should be clean enough to redefine this at will, if care
- * is taken to make libc match.
- */
-
-#define __OLD_NSIG	32
-#define __NEW_NSIG	64
-#define _NSIG_BPW	32
-#define _NSIG_WORDS	(__NEW_NSIG / _NSIG_BPW)
-
-#define SIGRTMIN	32
-#define SIGRTMAX	__NEW_NSIG
-
-#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
-#define	_NSIG		__NEW_NSIG
-#define __new_sigset_t	sigset_t
-#define __new_sigaction	sigaction
-#define __old_sigset_t	old_sigset_t
-#define __old_sigaction	old_sigaction
-#else
-#define _NSIG		__OLD_NSIG
-#define __old_sigset_t	sigset_t
-#define __old_sigaction	sigaction
-#endif
-
-#ifndef __ASSEMBLY__
-
-typedef unsigned long __old_sigset_t;
-
-typedef struct {
-	unsigned long	sig[_NSIG_WORDS];
-} __new_sigset_t;
-
-
-#ifdef __KERNEL__
-/* A SunOS sigstack */
-struct sigstack {
-	char *the_stack;
-	int   cur_status;
-};
-#endif
-
-/* Sigvec flags */
-#define _SV_SSTACK    1u    /* This signal handler should use sig-stack */
-#define _SV_INTR      2u    /* Sig return should not restart system call */
-#define _SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
-#define _SV_IGNCHILD  8u    /* Do not send SIGCHLD */
-
-/*
- * sa_flags values: SA_STACK is not currently supported, but will allow the
- * usage of signal stacks by using the (now obsolete) sa_restorer field in
- * the sigaction structure as a stack pointer. This is now possible due to
- * the changes in signal handling. LBT 010493.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- */
-#define SA_NOCLDSTOP	_SV_IGNCHILD
-#define SA_STACK	_SV_SSTACK
-#define SA_ONSTACK	_SV_SSTACK
-#define SA_RESTART	_SV_INTR
-#define SA_ONESHOT	_SV_RESET
-#define SA_NOMASK	0x20u
-#define SA_NOCLDWAIT	0x100u
-#define SA_SIGINFO	0x200u
-
-#define SIG_BLOCK          0x01	/* for blocking signals */
-#define SIG_UNBLOCK        0x02	/* for unblocking signals */
-#define SIG_SETMASK        0x04	/* for setting the signal mask */
-
-/*
- * sigaltstack controls
- */
-#define SS_ONSTACK	1
-#define SS_DISABLE	2
-
-#define MINSIGSTKSZ	4096
-#define SIGSTKSZ	16384
-
-#ifdef __KERNEL__
-/*
- * DJHR
- * SA_STATIC_ALLOC is used for the SPARC system to indicate that this
- * interrupt handler's irq structure should be statically allocated
- * by the request_irq routine.
- * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge
- * of interrupt usage and that sucks. Also without a flag like this
- * it may be possible for the free_irq routine to attempt to free
- * statically allocated data.. which is NOT GOOD.
- *
- */
-#define SA_STATIC_ALLOC		0x8000
-#endif
-
-#include <asm-generic/signal.h>
-
-#ifdef __KERNEL__
-struct __new_sigaction {
-	__sighandler_t	sa_handler;
-	unsigned long	sa_flags;
-	void		(*sa_restorer)(void);	/* Not used by Linux/SPARC */
-	__new_sigset_t	sa_mask;
-};
-
-struct k_sigaction {
-	struct __new_sigaction	sa;
-	void			__user *ka_restorer;
-};
-
-struct __old_sigaction {
-	__sighandler_t	sa_handler;
-	__old_sigset_t	sa_mask;
-	unsigned long	sa_flags;
-	void		(*sa_restorer) (void);	/* not used by Linux/SPARC */
-};
-
-typedef struct sigaltstack {
-	void		__user *ss_sp;
-	int		ss_flags;
-	size_t		ss_size;
-} stack_t;
-
-#define ptrace_signal_deliver(regs, cookie) do { } while (0)
-
-#endif /* !(__KERNEL__) */
-
-#endif /* !(__ASSEMBLY__) */
-
-#endif /* !(_ASMSPARC_SIGNAL_H) */
diff --git a/arch/sparc/include/asm/signal_64.h b/arch/sparc/include/asm/signal_64.h
deleted file mode 100644
index ab1509a..0000000
--- a/arch/sparc/include/asm/signal_64.h
+++ /dev/null
@@ -1,194 +0,0 @@
-#ifndef _ASMSPARC64_SIGNAL_H
-#define _ASMSPARC64_SIGNAL_H
-
-#include <asm/sigcontext.h>
-
-#ifdef __KERNEL__
-#ifndef __ASSEMBLY__
-#include <linux/personality.h>
-#include <linux/types.h>
-#endif
-#endif
-
-/* On the Sparc the signal handlers get passed a 'sub-signal' code
- * for certain signal types, which we document here.
- */
-#define SIGHUP		 1
-#define SIGINT		 2
-#define SIGQUIT		 3
-#define SIGILL		 4
-#define    SUBSIG_STACK       0
-#define    SUBSIG_ILLINST     2
-#define    SUBSIG_PRIVINST    3
-#define    SUBSIG_BADTRAP(t)  (0x80 + (t))
-
-#define SIGTRAP		 5
-#define SIGABRT		 6
-#define SIGIOT		 6
-
-#define SIGEMT           7
-#define    SUBSIG_TAG    10
-
-#define SIGFPE		 8
-#define    SUBSIG_FPDISABLED     0x400
-#define    SUBSIG_FPERROR        0x404
-#define    SUBSIG_FPINTOVFL      0x001
-#define    SUBSIG_FPSTSIG        0x002
-#define    SUBSIG_IDIVZERO       0x014
-#define    SUBSIG_FPINEXACT      0x0c4
-#define    SUBSIG_FPDIVZERO      0x0c8
-#define    SUBSIG_FPUNFLOW       0x0cc
-#define    SUBSIG_FPOPERROR      0x0d0
-#define    SUBSIG_FPOVFLOW       0x0d4
-
-#define SIGKILL		 9
-#define SIGBUS          10
-#define    SUBSIG_BUSTIMEOUT    1
-#define    SUBSIG_ALIGNMENT     2
-#define    SUBSIG_MISCERROR     5
-
-#define SIGSEGV		11
-#define    SUBSIG_NOMAPPING     3
-#define    SUBSIG_PROTECTION    4
-#define    SUBSIG_SEGERROR      5
-
-#define SIGSYS		12
-
-#define SIGPIPE		13
-#define SIGALRM		14
-#define SIGTERM		15
-#define SIGURG          16
-
-/* SunOS values which deviate from the Linux/i386 ones */
-#define SIGSTOP		17
-#define SIGTSTP		18
-#define SIGCONT		19
-#define SIGCHLD		20
-#define SIGTTIN		21
-#define SIGTTOU		22
-#define SIGIO		23
-#define SIGPOLL		SIGIO   /* SysV name for SIGIO */
-#define SIGXCPU		24
-#define SIGXFSZ		25
-#define SIGVTALRM	26
-#define SIGPROF		27
-#define SIGWINCH	28
-#define SIGLOST		29
-#define SIGPWR		SIGLOST
-#define SIGUSR1		30
-#define SIGUSR2		31
-
-/* Most things should be clean enough to redefine this at will, if care
-   is taken to make libc match.  */
-
-#define __OLD_NSIG	32
-#define __NEW_NSIG      64
-#define _NSIG_BPW     	64
-#define _NSIG_WORDS   	(__NEW_NSIG / _NSIG_BPW)
-
-#define SIGRTMIN       32
-#define SIGRTMAX       __NEW_NSIG
-
-#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
-#define _NSIG			__NEW_NSIG
-#define __new_sigset_t		sigset_t
-#define __new_sigaction		sigaction
-#define __new_sigaction32	sigaction32
-#define __old_sigset_t		old_sigset_t
-#define __old_sigaction		old_sigaction
-#define __old_sigaction32	old_sigaction32
-#else
-#define _NSIG			__OLD_NSIG
-#define NSIG			_NSIG
-#define __old_sigset_t		sigset_t
-#define __old_sigaction		sigaction
-#define __old_sigaction32	sigaction32
-#endif
-
-#ifndef __ASSEMBLY__
-
-typedef unsigned long __old_sigset_t;            /* at least 32 bits */
-
-typedef struct {
-       unsigned long sig[_NSIG_WORDS];
-} __new_sigset_t;
-
-/* A SunOS sigstack */
-struct sigstack {
-	/* XXX 32-bit pointers pinhead XXX */
-	char *the_stack;
-	int   cur_status;
-};
-
-/* Sigvec flags */
-#define _SV_SSTACK    1u    /* This signal handler should use sig-stack */
-#define _SV_INTR      2u    /* Sig return should not restart system call */
-#define _SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
-#define _SV_IGNCHILD  8u    /* Do not send SIGCHLD */
-
-/*
- * sa_flags values: SA_STACK is not currently supported, but will allow the
- * usage of signal stacks by using the (now obsolete) sa_restorer field in
- * the sigaction structure as a stack pointer. This is now possible due to
- * the changes in signal handling. LBT 010493.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- */
-#define SA_NOCLDSTOP	_SV_IGNCHILD
-#define SA_STACK	_SV_SSTACK
-#define SA_ONSTACK	_SV_SSTACK
-#define SA_RESTART	_SV_INTR
-#define SA_ONESHOT	_SV_RESET
-#define SA_NOMASK	0x20u
-#define SA_NOCLDWAIT    0x100u
-#define SA_SIGINFO      0x200u
-
-
-#define SIG_BLOCK          0x01	/* for blocking signals */
-#define SIG_UNBLOCK        0x02	/* for unblocking signals */
-#define SIG_SETMASK        0x04	/* for setting the signal mask */
-
-/*
- * sigaltstack controls
- */
-#define SS_ONSTACK	1
-#define SS_DISABLE	2
-
-#define MINSIGSTKSZ	4096
-#define SIGSTKSZ	16384
-
-#include <asm-generic/signal.h>
-
-struct __new_sigaction {
-	__sighandler_t		sa_handler;
-	unsigned long		sa_flags;
-	__sigrestore_t 		sa_restorer;  /* not used by Linux/SPARC yet */
-	__new_sigset_t		sa_mask;
-};
-
-struct __old_sigaction {
-	__sighandler_t  	sa_handler;
-	__old_sigset_t  	sa_mask;
-	unsigned long   	sa_flags;
-	void 			(*sa_restorer)(void);     /* not used by Linux/SPARC yet */
-};
-
-typedef struct sigaltstack {
-	void			__user *ss_sp;
-	int			ss_flags;
-	size_t			ss_size;
-} stack_t;
-
-#ifdef __KERNEL__
-
-struct k_sigaction {
-	struct __new_sigaction 	sa;
-	void __user		*ka_restorer;
-};
-
-#define ptrace_signal_deliver(regs, cookie) do { } while (0)
-
-#endif /* !(__KERNEL__) */
-
-#endif /* !(__ASSEMBLY__) */
-
-#endif /* !(_ASMSPARC64_SIGNAL_H) */
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h
index 8408d9d..58101dc 100644
--- a/arch/sparc/include/asm/smp_32.h
+++ b/arch/sparc/include/asm/smp_32.h
@@ -170,7 +170,4 @@
 #define smp_setup_cpu_possible_map() do { } while (0)
 
 #endif /* !(SMP) */
-
-#define NO_PROC_ID            0xFF
-
 #endif /* !(_SPARC_SMP_H) */
diff --git a/arch/sparc/include/asm/stat.h b/arch/sparc/include/asm/stat.h
index d815301..55db5ec 100644
--- a/arch/sparc/include/asm/stat.h
+++ b/arch/sparc/include/asm/stat.h
@@ -1,8 +1,107 @@
-#ifndef ___ASM_SPARC_STAT_H
-#define ___ASM_SPARC_STAT_H
+#ifndef __SPARC_STAT_H
+#define __SPARC_STAT_H
+
+#include <linux/types.h>
+
 #if defined(__sparc__) && defined(__arch64__)
-#include <asm/stat_64.h>
+/* 64 bit sparc */
+struct stat {
+	unsigned   st_dev;
+	ino_t   st_ino;
+	mode_t  st_mode;
+	short   st_nlink;
+	uid_t   st_uid;
+	gid_t   st_gid;
+	unsigned   st_rdev;
+	off_t   st_size;
+	time_t  st_atime;
+	time_t  st_mtime;
+	time_t  st_ctime;
+	off_t   st_blksize;
+	off_t   st_blocks;
+	unsigned long  __unused4[2];
+};
+
+struct stat64 {
+	unsigned long	st_dev;
+	unsigned long	st_ino;
+	unsigned long	st_nlink;
+
+	unsigned int	st_mode;
+	unsigned int	st_uid;
+	unsigned int	st_gid;
+	unsigned int	__pad0;
+
+	unsigned long	st_rdev;
+	long		st_size;
+	long		st_blksize;
+	long		st_blocks;
+
+	unsigned long	st_atime;
+	unsigned long	st_atime_nsec;
+	unsigned long	st_mtime;
+	unsigned long	st_mtime_nsec;
+	unsigned long	st_ctime;
+	unsigned long	st_ctime_nsec;
+	long		__unused[3];
+};
+
 #else
-#include <asm/stat_32.h>
-#endif
-#endif
+/* 32 bit sparc */
+struct stat {
+	unsigned short	st_dev;
+	ino_t		st_ino;
+	mode_t		st_mode;
+	short		st_nlink;
+	uid_t		st_uid;
+	gid_t		st_gid;
+	unsigned short	st_rdev;
+	off_t		st_size;
+	time_t		st_atime;
+	unsigned long	st_atime_nsec;
+	time_t		st_mtime;
+	unsigned long	st_mtime_nsec;
+	time_t		st_ctime;
+	unsigned long	st_ctime_nsec;
+	off_t		st_blksize;
+	off_t		st_blocks;
+	unsigned long	__unused4[2];
+};
+
+#define STAT_HAVE_NSEC 1
+
+struct stat64 {
+	unsigned long long st_dev;
+
+	unsigned long long st_ino;
+
+	unsigned int	st_mode;
+	unsigned int	st_nlink;
+
+	unsigned int	st_uid;
+	unsigned int	st_gid;
+
+	unsigned long long st_rdev;
+
+	unsigned char	__pad3[8];
+
+	long long	st_size;
+	unsigned int	st_blksize;
+
+	unsigned char	__pad4[8];
+	unsigned int	st_blocks;
+
+	unsigned int	st_atime;
+	unsigned int	st_atime_nsec;
+
+	unsigned int	st_mtime;
+	unsigned int	st_mtime_nsec;
+
+	unsigned int	st_ctime;
+	unsigned int	st_ctime_nsec;
+
+	unsigned int	__unused4;
+	unsigned int	__unused5;
+};
+#endif /* defined(__sparc__) && defined(__arch64__) */
+#endif /* __SPARC_STAT_H */
diff --git a/arch/sparc/include/asm/stat_32.h b/arch/sparc/include/asm/stat_32.h
deleted file mode 100644
index 2299e1d5..0000000
--- a/arch/sparc/include/asm/stat_32.h
+++ /dev/null
@@ -1,76 +0,0 @@
-#ifndef _SPARC_STAT_H
-#define _SPARC_STAT_H
-
-#include <linux/types.h>
-
-struct __old_kernel_stat {
-	unsigned short st_dev;
-	unsigned short st_ino;
-	unsigned short st_mode;
-	unsigned short st_nlink;
-	unsigned short st_uid;
-	unsigned short st_gid;
-	unsigned short st_rdev;
-	unsigned long  st_size;
-	unsigned long  st_atime;
-	unsigned long  st_mtime;
-	unsigned long  st_ctime;
-};
-
-struct stat {
-	unsigned short	st_dev;
-	unsigned long	st_ino;
-	unsigned short	st_mode;
-	short		st_nlink;
-	unsigned short	st_uid;
-	unsigned short	st_gid;
-	unsigned short	st_rdev;
-	long		st_size;
-	long		st_atime;
-	unsigned long	st_atime_nsec;
-	long		st_mtime;
-	unsigned long	st_mtime_nsec;
-	long		st_ctime;
-	unsigned long	st_ctime_nsec;
-	long		st_blksize;
-	long		st_blocks;
-	unsigned long	__unused4[2];
-};
-
-#define STAT_HAVE_NSEC 1
-
-struct stat64 {
-	unsigned long long st_dev;
-
-	unsigned long long st_ino;
-
-	unsigned int	st_mode;
-	unsigned int	st_nlink;
-
-	unsigned int	st_uid;
-	unsigned int	st_gid;
-
-	unsigned long long st_rdev;
-
-	unsigned char	__pad3[8];
-
-	long long	st_size;
-	unsigned int	st_blksize;
-
-	unsigned char	__pad4[8];
-	unsigned int	st_blocks;
-
-	unsigned int	st_atime;
-	unsigned int	st_atime_nsec;
-
-	unsigned int	st_mtime;
-	unsigned int	st_mtime_nsec;
-
-	unsigned int	st_ctime;
-	unsigned int	st_ctime_nsec;
-
-	unsigned int	__unused4;
-	unsigned int	__unused5;
-};
-
-#endif
diff --git a/arch/sparc/include/asm/stat_64.h b/arch/sparc/include/asm/stat_64.h
deleted file mode 100644
index 9650fde..0000000
--- a/arch/sparc/include/asm/stat_64.h
+++ /dev/null
@@ -1,47 +0,0 @@
-#ifndef _SPARC64_STAT_H
-#define _SPARC64_STAT_H
-
-#include <linux/types.h>
-
-struct stat {
-	unsigned   st_dev;
-	ino_t   st_ino;
-	mode_t  st_mode;
-	short   st_nlink;
-	uid_t   st_uid;
-	gid_t   st_gid;
-	unsigned   st_rdev;
-	off_t   st_size;
-	time_t  st_atime;
-	time_t  st_mtime;
-	time_t  st_ctime;
-	off_t   st_blksize;
-	off_t   st_blocks;
-	unsigned long  __unused4[2];
-};
-
-struct stat64 {
-	unsigned long	st_dev;
-	unsigned long	st_ino;
-	unsigned long	st_nlink;
-
-	unsigned int	st_mode;
-	unsigned int	st_uid;
-	unsigned int	st_gid;
-	unsigned int	__pad0;
-
-	unsigned long	st_rdev;
-	long		st_size;
-	long		st_blksize;
-	long		st_blocks;
-
-	unsigned long	st_atime;
-	unsigned long	st_atime_nsec;
-	unsigned long	st_mtime;
-	unsigned long	st_mtime_nsec;
-	unsigned long	st_ctime;
-	unsigned long	st_ctime_nsec;
-	long		__unused[3];
-};
-
-#endif
diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
index 80fe547..0f7b0e5 100644
--- a/arch/sparc/include/asm/thread_info_32.h
+++ b/arch/sparc/include/asm/thread_info_32.h
@@ -45,7 +45,7 @@
 	/* A place to store user windows and stack pointers
 	 * when the stack needs inspection.
 	 */
-	struct reg_window	reg_window[NSWINS];	/* align for ldd! */
+	struct reg_window32	reg_window[NSWINS];	/* align for ldd! */
 	unsigned long		rwbuf_stkptrs[NSWINS];
 	unsigned long		w_saved;
 
diff --git a/arch/sparc/include/asm/traps.h b/arch/sparc/include/asm/traps.h
index bebdbf8..3aa62dd 100644
--- a/arch/sparc/include/asm/traps.h
+++ b/arch/sparc/include/asm/traps.h
@@ -10,7 +10,7 @@
 #define NUM_SPARC_TRAPS  255
 
 #ifndef __ASSEMBLY__
-
+#ifdef __KERNEL__
 /* This is for V8 compliant Sparc CPUS */
 struct tt_entry {
 	unsigned long inst_one;
@@ -22,14 +22,7 @@
 /* We set this to _start in system setup. */
 extern struct tt_entry *sparc_ttable;
 
-static inline unsigned long get_tbr(void)
-{
-	unsigned long tbr;
-
-	__asm__ __volatile__("rd %%tbr, %0\n\t" : "=r" (tbr));
-	return tbr;
-}
-
+#endif /* (__KERNEL__) */
 #endif /* !(__ASSEMBLY__) */
 
 /* For patching the trap table at boot time, we need to know how to
diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c
index f3488c4..1eff942 100644
--- a/arch/sparc/kernel/irq_32.c
+++ b/arch/sparc/kernel/irq_32.c
@@ -669,7 +669,9 @@
 	btfixup();
 }
 
+#ifdef CONFIG_PROC_FS
 void init_irq_proc(void)
 {
 	/* For now, nothing... */
 }
+#endif /* CONFIG_PROC_FS */
diff --git a/arch/sparc/kernel/kgdb_32.c b/arch/sparc/kernel/kgdb_32.c
index 757805c..04df4ed 100644
--- a/arch/sparc/kernel/kgdb_32.c
+++ b/arch/sparc/kernel/kgdb_32.c
@@ -14,14 +14,14 @@
 
 void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 {
-	struct reg_window *win;
+	struct reg_window32 *win;
 	int i;
 
 	gdb_regs[GDB_G0] = 0;
 	for (i = 0; i < 15; i++)
 		gdb_regs[GDB_G1 + i] = regs->u_regs[UREG_G1 + i];
 
-	win = (struct reg_window *) regs->u_regs[UREG_FP];
+	win = (struct reg_window32 *) regs->u_regs[UREG_FP];
 	for (i = 0; i < 8; i++)
 		gdb_regs[GDB_L0 + i] = win->locals[i];
 	for (i = 0; i < 8; i++)
@@ -43,7 +43,7 @@
 void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
 {
 	struct thread_info *t = task_thread_info(p);
-	struct reg_window *win;
+	struct reg_window32 *win;
 	int i;
 
 	for (i = GDB_G0; i < GDB_G6; i++)
@@ -55,7 +55,7 @@
 	gdb_regs[GDB_SP] = t->ksp;
 	gdb_regs[GDB_O7] = 0;
 
-	win = (struct reg_window *) t->ksp;
+	win = (struct reg_window32 *) t->ksp;
 	for (i = 0; i < 8; i++)
 		gdb_regs[GDB_L0 + i] = win->locals[i];
 	for (i = 0; i < 8; i++)
@@ -77,7 +77,7 @@
 
 void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 {
-	struct reg_window *win;
+	struct reg_window32 *win;
 	int i;
 
 	for (i = 0; i < 15; i++)
@@ -96,7 +96,7 @@
 	regs->npc = gdb_regs[GDB_NPC];
 	regs->y = gdb_regs[GDB_Y];
 
-	win = (struct reg_window *) regs->u_regs[UREG_FP];
+	win = (struct reg_window32 *) regs->u_regs[UREG_FP];
 	for (i = 0; i < 8; i++)
 		win->locals[i] = gdb_regs[GDB_L0 + i];
 	for (i = 0; i < 8; i++)
diff --git a/arch/sparc/kernel/muldiv.c b/arch/sparc/kernel/muldiv.c
index ba960c0..6ce1021 100644
--- a/arch/sparc/kernel/muldiv.c
+++ b/arch/sparc/kernel/muldiv.c
@@ -60,7 +60,7 @@
 }
 
 #define fetch_reg(reg, regs) ({						\
-	struct reg_window __user *win;					\
+	struct reg_window32 __user *win;					\
 	register unsigned long ret;					\
 									\
 	if (!(reg)) ret = 0;						\
@@ -68,7 +68,7 @@
 		ret = regs->u_regs[(reg)];				\
 	} else {							\
 		/* Ho hum, the slightly complicated case. */		\
-		win = (struct reg_window __user *)regs->u_regs[UREG_FP];\
+		win = (struct reg_window32 __user *)regs->u_regs[UREG_FP];\
 		if (get_user (ret, &win->locals[(reg) - 16])) return -1;\
 	}								\
 	ret;								\
@@ -77,7 +77,7 @@
 static inline int
 store_reg(unsigned int result, unsigned int reg, struct pt_regs *regs)
 {
-	struct reg_window __user *win;
+	struct reg_window32 __user *win;
 
 	if (!reg)
 		return 0;
@@ -86,7 +86,7 @@
 		return 0;
 	} else {
 		/* need to use put_user() in this case: */
-		win = (struct reg_window __user *) regs->u_regs[UREG_FP];
+		win = (struct reg_window32 __user *) regs->u_regs[UREG_FP];
 		return (put_user(result, &win->locals[reg - 16]));
 	}
 }
diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c
index dfb3ec8..3b34344 100644
--- a/arch/sparc/kernel/pci_psycho.c
+++ b/arch/sparc/kernel/pci_psycho.c
@@ -307,10 +307,7 @@
 
 	/* We really mean to ignore the return result here.  Two
 	 * PCI controller share the same interrupt numbers and
-	 * drive the same front-end hardware.  Whichever of the
-	 * two get in here first will register the IRQ handler
-	 * the second will just error out since we do not pass in
-	 * IRQF_SHARED.
+	 * drive the same front-end hardware.
 	 */
 	err = request_irq(op->irqs[1], psycho_ue_intr, IRQF_SHARED,
 			  "PSYCHO_UE", pbm);
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index 69d9315..5a8d8ce 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -180,13 +180,13 @@
 
 void __show_backtrace(unsigned long fp)
 {
-	struct reg_window *rw;
+	struct reg_window32 *rw;
 	unsigned long flags;
 	int cpu = smp_processor_id();
 
 	spin_lock_irqsave(&sparc_backtrace_lock, flags);
 
-	rw = (struct reg_window *)fp;
+	rw = (struct reg_window32 *)fp;
         while(rw && (((unsigned long) rw) >= PAGE_OFFSET) &&
             !(((unsigned long) rw) & 0x7)) {
 		printk("CPU[%d]: ARGS[%08lx,%08lx,%08lx,%08lx,%08lx,%08lx] "
@@ -196,7 +196,7 @@
 		       rw->ins[6],
 		       rw->ins[7]);
 		printk("%pS\n", (void *) rw->ins[7]);
-		rw = (struct reg_window *) rw->ins[6];
+		rw = (struct reg_window32 *) rw->ins[6];
 	}
 	spin_unlock_irqrestore(&sparc_backtrace_lock, flags);
 }
@@ -258,7 +258,7 @@
 
 void show_regs(struct pt_regs *r)
 {
-	struct reg_window *rw = (struct reg_window *) r->u_regs[14];
+	struct reg_window32 *rw = (struct reg_window32 *) r->u_regs[14];
 
         printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx    %s\n",
 	       r->psr, r->pc, r->npc, r->y, print_tainted());
@@ -287,7 +287,7 @@
 {
 	unsigned long pc, fp;
 	unsigned long task_base;
-	struct reg_window *rw;
+	struct reg_window32 *rw;
 	int count = 0;
 
 	if (tsk != NULL)
@@ -301,7 +301,7 @@
 		if (fp < (task_base + sizeof(struct thread_info)) ||
 		    fp >= (task_base + (PAGE_SIZE << 1)))
 			break;
-		rw = (struct reg_window *) fp;
+		rw = (struct reg_window32 *) fp;
 		pc = rw->ins[7];
 		printk("[%08lx : ", pc);
 		printk("%pS ] ", (void *) pc);
@@ -679,7 +679,7 @@
 	unsigned long pc, fp, bias = 0;
 	unsigned long task_base = (unsigned long) task;
         unsigned long ret = 0;
-	struct reg_window *rw;
+	struct reg_window32 *rw;
 	int count = 0;
 
 	if (!task || task == current ||
@@ -692,7 +692,7 @@
 		if (fp < (task_base + sizeof(struct thread_info)) ||
 		    fp >= (task_base + (2 * PAGE_SIZE)))
 			break;
-		rw = (struct reg_window *) fp;
+		rw = (struct reg_window32 *) fp;
 		pc = rw->ins[7];
 		if (!in_sched_functions(pc)) {
 			ret = pc;
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index 4e9af59..ff7b591 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -155,20 +155,12 @@
 		p->value = prom_early_alloc(special_len);
 		memcpy(p->value, special_val, special_len);
 	} else {
-#ifdef CONFIG_SPARC32
 		if (prev == NULL) {
-			name = prom_firstprop(node, NULL);
+			name = prom_firstprop(node, p->name);
 		} else {
-			name = prom_nextprop(node, prev, NULL);
+			name = prom_nextprop(node, prev, p->name);
 		}
-#else
-		if (prev == NULL) {
-			prom_firstprop(node, p->name);
-		} else {
-			prom_nextprop(node, prev, p->name);
-		}
-		name = p->name;
-#endif
+
 		if (strlen(name) == 0) {
 			tmp = p;
 			return NULL;
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index c94f91c..181d069 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -34,7 +34,7 @@
 
 struct signal_frame {
 	struct sparc_stackf	ss;
-	__siginfo_t		info;
+	__siginfo32_t		info;
 	__siginfo_fpu_t __user	*fpu_save;
 	unsigned long		insns[2] __attribute__ ((aligned (8)));
 	unsigned int		extramask[_NSIG_WORDS - 1];
@@ -351,7 +351,7 @@
 	err |= __copy_to_user(sf->extramask, &oldset->sig[1],
 			      (_NSIG_WORDS - 1) * sizeof(unsigned int));
 	err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
-			      sizeof(struct reg_window));
+			      sizeof(struct reg_window32));
 	if (err)
 		goto sigsegv;
 	
@@ -433,7 +433,7 @@
 	err |= __put_user(current->sas_ss_size, &sf->stack.ss_size);
 	
 	err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
-			      sizeof(struct reg_window));	
+			      sizeof(struct reg_window32));
 
 	err |= copy_siginfo_to_user(&sf->info, info);
 
diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
index 716f394..213645b 100644
--- a/arch/sparc/kernel/traps_32.c
+++ b/arch/sparc/kernel/traps_32.c
@@ -67,7 +67,7 @@
 	__RESTORE; __RESTORE; __RESTORE; __RESTORE;
 
 	{
-		struct reg_window *rw = (struct reg_window *)regs->u_regs[UREG_FP];
+		struct reg_window32 *rw = (struct reg_window32 *)regs->u_regs[UREG_FP];
 
 		/* Stop the back trace when we hit userland or we
 		 * find some badly aligned kernel stack. Set an upper
@@ -79,7 +79,7 @@
 		      !(((unsigned long) rw) & 0x7)) {
 			printk("Caller[%08lx]: %pS\n", rw->ins[7],
 			       (void *) rw->ins[7]);
-			rw = (struct reg_window *)rw->ins[6];
+			rw = (struct reg_window32 *)rw->ins[6];
 		}
 	}
 	printk("Instruction DUMP:");
diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c
index c2a28c5..6b1e6cd 100644
--- a/arch/sparc/kernel/unaligned_32.c
+++ b/arch/sparc/kernel/unaligned_32.c
@@ -97,26 +97,26 @@
 
 static inline unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs)
 {
-	struct reg_window *win;
+	struct reg_window32 *win;
 
 	if(reg < 16)
 		return (!reg ? 0 : regs->u_regs[reg]);
 
 	/* Ho hum, the slightly complicated case. */
-	win = (struct reg_window *) regs->u_regs[UREG_FP];
+	win = (struct reg_window32 *) regs->u_regs[UREG_FP];
 	return win->locals[reg - 16]; /* yes, I know what this does... */
 }
 
 static inline unsigned long safe_fetch_reg(unsigned int reg, struct pt_regs *regs)
 {
-	struct reg_window __user *win;
+	struct reg_window32 __user *win;
 	unsigned long ret;
 
 	if (reg < 16)
 		return (!reg ? 0 : regs->u_regs[reg]);
 
 	/* Ho hum, the slightly complicated case. */
-	win = (struct reg_window __user *) regs->u_regs[UREG_FP];
+	win = (struct reg_window32 __user *) regs->u_regs[UREG_FP];
 
 	if ((unsigned long)win & 3)
 		return -1;
@@ -129,11 +129,11 @@
 
 static inline unsigned long *fetch_reg_addr(unsigned int reg, struct pt_regs *regs)
 {
-	struct reg_window *win;
+	struct reg_window32 *win;
 
 	if(reg < 16)
 		return &regs->u_regs[reg];
-	win = (struct reg_window *) regs->u_regs[UREG_FP];
+	win = (struct reg_window32 *) regs->u_regs[UREG_FP];
 	return &win->locals[reg - 16];
 }
 
diff --git a/arch/sparc/kernel/windows.c b/arch/sparc/kernel/windows.c
index 9cc93ea..f24d298 100644
--- a/arch/sparc/kernel/windows.c
+++ b/arch/sparc/kernel/windows.c
@@ -42,7 +42,7 @@
 
 	for(i = first_win; i < last_win; i++) {
 		tp->rwbuf_stkptrs[i] = tp->rwbuf_stkptrs[i+1];
-		memcpy(&tp->reg_window[i], &tp->reg_window[i+1], sizeof(struct reg_window));
+		memcpy(&tp->reg_window[i], &tp->reg_window[i+1], sizeof(struct reg_window32));
 	}
 }
 
@@ -70,7 +70,7 @@
 
 		/* Ok, let it rip. */
 		if (copy_to_user((char __user *) sp, &tp->reg_window[window],
-				 sizeof(struct reg_window)))
+				 sizeof(struct reg_window32)))
 			continue;
 
 		shift_window_buffer(window, tp->w_saved - 1, tp);
@@ -119,7 +119,7 @@
 
 		if ((sp & 7) ||
 		    copy_to_user((char __user *) sp, &tp->reg_window[window],
-				 sizeof(struct reg_window)))
+				 sizeof(struct reg_window32)))
 			do_exit(SIGILL);
 	}
 	tp->w_saved = 0;
diff --git a/arch/um/Makefile b/arch/um/Makefile
index d944c34..0728def 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -22,10 +22,11 @@
 
 include $(srctree)/$(ARCH_DIR)/Makefile-skas
 
-ARCH_INCLUDE	:= -I$(srctree)/$(ARCH_DIR)/include/shared
+SHARED_HEADERS	:= $(ARCH_DIR)/include/shared
+ARCH_INCLUDE	:= -I$(srctree)/$(SHARED_HEADERS)
 ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)/shared
 ifneq ($(KBUILD_SRC),)
-ARCH_INCLUDE	+= -I$(ARCH_DIR)/include/shared # for two generated files
+ARCH_INCLUDE	+= -I$(SHARED_HEADERS)
 endif
 KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)
 
@@ -85,8 +86,8 @@
 
 KBUILD_KCONFIG := arch/um/Kconfig.$(HEADER_ARCH)
 
-archprepare: $(ARCH_DIR)/include/shared/user_constants.h
-prepare: $(ARCH_DIR)/include/shared/kern_constants.h
+archprepare: $(SHARED_HEADERS)/user_constants.h
+archprepare: $(SHARED_HEADERS)/kern_constants.h
 
 LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
 LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib
@@ -119,17 +120,13 @@
 # When cleaning we don't include .config, so we don't include
 # TT or skas makefiles and don't clean skas_ptregs.h.
 CLEAN_FILES += linux x.i gmon.out \
-	$(ARCH_DIR)/include/shared/user_constants.h \
-	$(ARCH_DIR)/include/shared/kern_constants.h
+	$(SHARED_HEADERS)/user_constants.h \
+	$(SHARED_HEADERS)/kern_constants.h
 
 archclean:
 	@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
 		-o -name '*.gcov' \) -type f -print | xargs rm -f
 
-$(objtree)/$(ARCH_DIR)/include/shared:
-	@echo '  MKDIR $@'
-	$(Q)mkdir -p $@
-
 # Generated files
 
 $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
@@ -148,11 +145,11 @@
          echo ""; )
 endef
 
-$(ARCH_DIR)/include/shared/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
+$(SHARED_HEADERS)/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
 	$(call filechk,gen-asm-offsets)
 
-$(ARCH_DIR)/include/shared/kern_constants.h: $(objtree)/$(ARCH_DIR)/include/shared
-	@echo '  SYMLINK $@'
-	$(Q)ln -sf ../../../../include/asm/asm-offsets.h $@
+$(SHARED_HEADERS)/kern_constants.h:
+	$(Q)mkdir -p $(dir $@)
+	$(Q)echo '#include "../../../../include/asm/asm-offsets.h"' >$@
 
 export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH DEV_NULL_PATH
diff --git a/arch/um/include/asm/system.h b/arch/um/include/asm/system.h
index ae5f94d..753346e 100644
--- a/arch/um/include/asm/system.h
+++ b/arch/um/include/asm/system.h
@@ -11,21 +11,21 @@
 extern void block_signals(void);
 extern void unblock_signals(void);
 
-#define raw_local_save_flags(flags) do { typecheck(unsigned long, flags); \
+#define local_save_flags(flags) do { typecheck(unsigned long, flags); \
 				     (flags) = get_signals(); } while(0)
-#define raw_local_irq_restore(flags) do { typecheck(unsigned long, flags); \
+#define local_irq_restore(flags) do { typecheck(unsigned long, flags); \
 				      set_signals(flags); } while(0)
 
-#define raw_local_irq_save(flags) do { raw_local_save_flags(flags); \
-                                   raw_local_irq_disable(); } while(0)
+#define local_irq_save(flags) do { local_save_flags(flags); \
+                                   local_irq_disable(); } while(0)
 
-#define raw_local_irq_enable() unblock_signals()
-#define raw_local_irq_disable() block_signals()
+#define local_irq_enable() unblock_signals()
+#define local_irq_disable() block_signals()
 
 #define irqs_disabled()                 \
 ({                                      \
         unsigned long flags;            \
-        raw_local_save_flags(flags);        \
+        local_save_flags(flags);        \
         (flags == 0);                   \
 })
 
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 85a7857..8078955 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -408,7 +408,7 @@
 
 config X86_DEBUGCTLMSR
 	def_bool y
-	depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386)
+	depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) && !UML
 
 menuconfig PROCESSOR_SELECT
 	bool "Supported processor vendors" if EMBEDDED
diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
index b8e05ee..beea446 100644
--- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
+++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
@@ -160,6 +160,7 @@
 		switch (c->x86_model) {
 		case 0x0E: /* Core */
 		case 0x0F: /* Core Duo */
+		case 0x16: /* Celeron Core */
 			p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS;
 			return speedstep_get_processor_frequency(SPEEDSTEP_PROCESSOR_PCORE);
 		case 0x0D: /* Pentium M (Dothan) */
@@ -171,7 +172,9 @@
 	}
 
 	if (c->x86 != 0xF) {
-		printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. Please send an e-mail to <cpufreq@vger.kernel.org>\n");
+		if (!cpu_has(c, X86_FEATURE_EST))
+			printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. "
+				"Please send an e-mail to <cpufreq@vger.kernel.org>\n");
 		return 0;
 	}
 
@@ -274,6 +277,7 @@
 	.name		= "p4-clockmod",
 	.owner		= THIS_MODULE,
 	.attr		= p4clockmod_attr,
+	.hide_interface	= 1,
 };
 
 
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
index 3b5f064..f0ea6fa 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -459,9 +459,7 @@
  * Sets a new CPUFreq policy.
  */
 struct allmasks {
-	cpumask_t		online_policy_cpus;
 	cpumask_t		saved_mask;
-	cpumask_t		set_mask;
 	cpumask_t		covered_cpus;
 };
 
@@ -475,9 +473,7 @@
 	int			retval = 0;
 	unsigned int		j, k, first_cpu, tmp;
 	CPUMASK_ALLOC(allmasks);
-	CPUMASK_PTR(online_policy_cpus, allmasks);
 	CPUMASK_PTR(saved_mask, allmasks);
-	CPUMASK_PTR(set_mask, allmasks);
 	CPUMASK_PTR(covered_cpus, allmasks);
 
 	if (unlikely(allmasks == NULL))
@@ -497,30 +493,28 @@
 		goto out;
 	}
 
-#ifdef CONFIG_HOTPLUG_CPU
-	/* cpufreq holds the hotplug lock, so we are safe from here on */
-	cpus_and(*online_policy_cpus, cpu_online_map, policy->cpus);
-#else
-	*online_policy_cpus = policy->cpus;
-#endif
-
 	*saved_mask = current->cpus_allowed;
 	first_cpu = 1;
 	cpus_clear(*covered_cpus);
-	for_each_cpu_mask_nr(j, *online_policy_cpus) {
+	for_each_cpu_mask_nr(j, policy->cpus) {
+		const cpumask_t *mask;
+
+		/* cpufreq holds the hotplug lock, so we are safe here */
+		if (!cpu_online(j))
+			continue;
+
 		/*
 		 * Support for SMP systems.
 		 * Make sure we are running on CPU that wants to change freq
 		 */
-		cpus_clear(*set_mask);
 		if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
-			cpus_or(*set_mask, *set_mask, *online_policy_cpus);
+			mask = &policy->cpus;
 		else
-			cpu_set(j, *set_mask);
+			mask = &cpumask_of_cpu(j);
 
-		set_cpus_allowed_ptr(current, set_mask);
+		set_cpus_allowed_ptr(current, mask);
 		preempt_disable();
-		if (unlikely(!cpu_isset(smp_processor_id(), *set_mask))) {
+		if (unlikely(!cpu_isset(smp_processor_id(), *mask))) {
 			dprintk("couldn't limit to CPUs in this domain\n");
 			retval = -EAGAIN;
 			if (first_cpu) {
@@ -548,7 +542,9 @@
 			dprintk("target=%dkHz old=%d new=%d msr=%04x\n",
 				target_freq, freqs.old, freqs.new, msr);
 
-			for_each_cpu_mask_nr(k, *online_policy_cpus) {
+			for_each_cpu_mask_nr(k, policy->cpus) {
+				if (!cpu_online(k))
+					continue;
 				freqs.cpu = k;
 				cpufreq_notify_transition(&freqs,
 					CPUFREQ_PRECHANGE);
@@ -571,7 +567,9 @@
 		preempt_enable();
 	}
 
-	for_each_cpu_mask_nr(k, *online_policy_cpus) {
+	for_each_cpu_mask_nr(k, policy->cpus) {
+		if (!cpu_online(k))
+			continue;
 		freqs.cpu = k;
 		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 	}
@@ -584,18 +582,17 @@
 		 * Best effort undo..
 		 */
 
-		if (!cpus_empty(*covered_cpus))
-			for_each_cpu_mask_nr(j, *covered_cpus) {
-				set_cpus_allowed_ptr(current,
-						     &cpumask_of_cpu(j));
-				wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
-			}
+		for_each_cpu_mask_nr(j, *covered_cpus) {
+			set_cpus_allowed_ptr(current, &cpumask_of_cpu(j));
+			wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
+		}
 
 		tmp = freqs.new;
 		freqs.new = freqs.old;
 		freqs.old = tmp;
-		for_each_cpu_mask_nr(j, *online_policy_cpus) {
-			freqs.cpu = j;
+		for_each_cpu_mask_nr(j, policy->cpus) {
+			if (!cpu_online(j))
+				continue;
 			cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 			cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 		}
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
index 98d4fdb..cdac7d6 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
@@ -139,6 +139,15 @@
 	case 3:
 		fsb = 166667;
 		break;
+	case 2:
+		fsb = 200000;
+		break;
+	case 0:
+		fsb = 266667;
+		break;
+	case 4:
+		fsb = 333333;
+		break;
 	default:
 		printk(KERN_ERR "PCORE - MSR_FSB_FREQ undefined value");
 	}
diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c
index 242c344..8cba374 100644
--- a/arch/x86/kernel/pci-swiotlb_64.c
+++ b/arch/x86/kernel/pci-swiotlb_64.c
@@ -13,7 +13,7 @@
 
 int swiotlb __read_mostly;
 
-void *swiotlb_alloc_boot(size_t size, unsigned long nslabs)
+void * __init swiotlb_alloc_boot(size_t size, unsigned long nslabs)
 {
 	return alloc_bootmem_low_pages(size);
 }
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 31d6f53..01dde80 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -754,6 +754,11 @@
 	.release	= cpufreq_sysfs_release,
 };
 
+static struct kobj_type ktype_empty_cpufreq = {
+	.sysfs_ops	= &sysfs_ops,
+	.release	= cpufreq_sysfs_release,
+};
+
 
 /**
  * cpufreq_add_dev - add a CPU device
@@ -822,8 +827,8 @@
 		dprintk("initialization failed\n");
 		goto err_out;
 	}
-	policy->user_policy.min = policy->cpuinfo.min_freq;
-	policy->user_policy.max = policy->cpuinfo.max_freq;
+	policy->user_policy.min = policy->min;
+	policy->user_policy.max = policy->max;
 
 	blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
 				     CPUFREQ_START, policy);
@@ -876,26 +881,36 @@
 	memcpy(&new_policy, policy, sizeof(struct cpufreq_policy));
 
 	/* prepare interface data */
-	ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq, &sys_dev->kobj,
-				   "cpufreq");
-	if (ret)
-		goto err_out_driver_exit;
+	if (!cpufreq_driver->hide_interface) {
+		ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq,
+					   &sys_dev->kobj, "cpufreq");
+		if (ret)
+			goto err_out_driver_exit;
 
-	/* set up files for this cpu device */
-	drv_attr = cpufreq_driver->attr;
-	while ((drv_attr) && (*drv_attr)) {
-		ret = sysfs_create_file(&policy->kobj, &((*drv_attr)->attr));
-		if (ret)
-			goto err_out_driver_exit;
-		drv_attr++;
-	}
-	if (cpufreq_driver->get) {
-		ret = sysfs_create_file(&policy->kobj, &cpuinfo_cur_freq.attr);
-		if (ret)
-			goto err_out_driver_exit;
-	}
-	if (cpufreq_driver->target) {
-		ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr);
+		/* set up files for this cpu device */
+		drv_attr = cpufreq_driver->attr;
+		while ((drv_attr) && (*drv_attr)) {
+			ret = sysfs_create_file(&policy->kobj,
+						&((*drv_attr)->attr));
+			if (ret)
+				goto err_out_driver_exit;
+			drv_attr++;
+		}
+		if (cpufreq_driver->get) {
+			ret = sysfs_create_file(&policy->kobj,
+						&cpuinfo_cur_freq.attr);
+			if (ret)
+				goto err_out_driver_exit;
+		}
+		if (cpufreq_driver->target) {
+			ret = sysfs_create_file(&policy->kobj,
+						&scaling_cur_freq.attr);
+			if (ret)
+				goto err_out_driver_exit;
+		}
+	} else {
+		ret = kobject_init_and_add(&policy->kobj, &ktype_empty_cpufreq,
+					   &sys_dev->kobj, "cpufreq");
 		if (ret)
 			goto err_out_driver_exit;
 	}
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index b4fd8ca..e85c8fe 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -85,14 +85,14 @@
 config HID_A4TECH
 	tristate "A4 tech" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for A4 tech X5 and WOP-35 / Trust 450L mice.
 
 config HID_APPLE
 	tristate "Apple" if EMBEDDED
 	depends on (USB_HID || BT_HIDP)
-	default y
+	default !EMBEDDED
 	---help---
 	Support for some Apple devices which less or more break
 	HID specification.
@@ -103,64 +103,49 @@
 config HID_BELKIN
 	tristate "Belkin" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Belkin Flip KVM and Wireless keyboard.
 
-config HID_BRIGHT
-	tristate "Bright" if EMBEDDED
-	depends on USB_HID
-	default y
-	---help---
-	Support for Bright ABNT-2 keyboard.
-
 config HID_CHERRY
 	tristate "Cherry" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Cherry Cymotion keyboard.
 
 config HID_CHICONY
 	tristate "Chicony" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Chicony Tactical pad.
 
 config HID_CYPRESS
 	tristate "Cypress" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for cypress mouse and barcode readers.
 
-config HID_DELL
-	tristate "Dell" if EMBEDDED
-	depends on USB_HID
-	default y
-	---help---
-	Support for quirky Dell HID hardware that require
-	special LED handling (W7658 and SK8115 models)
-
 config HID_EZKEY
 	tristate "Ezkey" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Ezkey BTC 8193 keyboard.
 
 config HID_GYRATION
 	tristate "Gyration" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Gyration remote control.
 
 config HID_LOGITECH
 	tristate "Logitech" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Logitech devices that are not fully compliant with HID standard.
 
@@ -191,21 +176,28 @@
 config HID_MICROSOFT
 	tristate "Microsoft" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Microsoft devices that are not fully compliant with HID standard.
 
 config HID_MONTEREY
 	tristate "Monterey" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Monterey Genius KB29E.
 
+config HID_NTRIG
+	tristate "NTrig" if EMBEDDED
+	depends on USB_HID
+	default !EMBEDDED
+	---help---
+	Support for N-Trig touch screen.
+
 config HID_PANTHERLORD
 	tristate "Pantherlord devices support" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for PantherLord/GreenAsia based device support.
 
@@ -220,31 +212,47 @@
 config HID_PETALYNX
 	tristate "Petalynx" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Petalynx Maxter remote control.
 
 config HID_SAMSUNG
 	tristate "Samsung" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Samsung InfraRed remote control.
 
 config HID_SONY
 	tristate "Sony" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Sony PS3 controller.
 
 config HID_SUNPLUS
 	tristate "Sunplus" if EMBEDDED
 	depends on USB_HID
-	default y
+	default !EMBEDDED
 	---help---
 	Support for Sunplus wireless desktop.
 
+config GREENASIA_FF
+	tristate "GreenAsia (Product ID 0x12) force feedback support"
+	depends on USB_HID
+	select INPUT_FF_MEMLESS
+	---help---
+	Say Y here if you have a GreenAsia (Product ID 0x12) based game controller
+	(like MANTA Warior MM816 and SpeedLink Strike2 SL-6635) or adapter
+	and want to enable force feedback support for it.
+
+config HID_TOPSEED
+	tristate "TopSeed Cyberlink remote control support" if EMBEDDED
+	depends on USB_HID
+	default !EMBEDDED
+	---help---
+	Say Y if you have a TopSeed Cyberlink remote control.
+
 config THRUSTMASTER_FF
 	tristate "ThrustMaster devices support"
 	depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index b09e43e..fbd021f 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -23,22 +23,23 @@
 obj-$(CONFIG_HID_A4TECH)	+= hid-a4tech.o
 obj-$(CONFIG_HID_APPLE)		+= hid-apple.o
 obj-$(CONFIG_HID_BELKIN)	+= hid-belkin.o
-obj-$(CONFIG_HID_BRIGHT)	+= hid-bright.o
 obj-$(CONFIG_HID_CHERRY)	+= hid-cherry.o
 obj-$(CONFIG_HID_CHICONY)	+= hid-chicony.o
 obj-$(CONFIG_HID_CYPRESS)	+= hid-cypress.o
-obj-$(CONFIG_HID_DELL)		+= hid-dell.o
 obj-$(CONFIG_HID_EZKEY)		+= hid-ezkey.o
 obj-$(CONFIG_HID_GYRATION)	+= hid-gyration.o
 obj-$(CONFIG_HID_LOGITECH)	+= hid-logitech.o
 obj-$(CONFIG_HID_MICROSOFT)	+= hid-microsoft.o
 obj-$(CONFIG_HID_MONTEREY)	+= hid-monterey.o
+obj-$(CONFIG_HID_NTRIG)		+= hid-ntrig.o
 obj-$(CONFIG_HID_PANTHERLORD)	+= hid-pl.o
 obj-$(CONFIG_HID_PETALYNX)	+= hid-petalynx.o
 obj-$(CONFIG_HID_SAMSUNG)	+= hid-samsung.o
 obj-$(CONFIG_HID_SONY)		+= hid-sony.o
 obj-$(CONFIG_HID_SUNPLUS)	+= hid-sunplus.o
+obj-$(CONFIG_GREENASIA_FF)	+= hid-gaff.o
 obj-$(CONFIG_THRUSTMASTER_FF)	+= hid-tmff.o
+obj-$(CONFIG_HID_TOPSEED)	+= hid-topseed.o
 obj-$(CONFIG_ZEROPLUS_FF)	+= hid-zpff.o
 
 obj-$(CONFIG_USB_HID)		+= usbhid/
diff --git a/drivers/hid/hid-bright.c b/drivers/hid/hid-bright.c
deleted file mode 100644
index 38517a1..0000000
--- a/drivers/hid/hid-bright.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- *  HID driver for some bright "special" devices
- *
- *  Copyright (c) 2008 Mauro Carvalho Chehab <mchehab@redhat.com>
- *
- * Based on hid-dell driver
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- */
-
-#include <linux/device.h>
-#include <linux/hid.h>
-#include <linux/module.h>
-
-#include "hid-ids.h"
-
-static int bright_probe(struct hid_device *hdev, const struct hid_device_id *id)
-{
-	int ret;
-
-	ret = hid_parse(hdev);
-	if (ret) {
-		dev_err(&hdev->dev, "parse failed\n");
-		goto err_free;
-	}
-
-	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
-	if (ret) {
-		dev_err(&hdev->dev, "hw start failed\n");
-		goto err_free;
-	}
-
-	usbhid_set_leds(hdev);
-
-	return 0;
-err_free:
-	return ret;
-}
-
-static const struct hid_device_id bright_devices[] = {
-	{ HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) },
-	{ }
-};
-MODULE_DEVICE_TABLE(hid, bright_devices);
-
-static struct hid_driver bright_driver = {
-	.name = "bright",
-	.id_table = bright_devices,
-	.probe = bright_probe,
-};
-
-static int bright_init(void)
-{
-	return hid_register_driver(&bright_driver);
-}
-
-static void bright_exit(void)
-{
-	hid_unregister_driver(&bright_driver);
-}
-
-module_init(bright_init);
-module_exit(bright_exit);
-MODULE_LICENSE("GPL");
-
-HID_COMPAT_LOAD_DRIVER(bright);
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 40df3e1..5d7640e 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1256,19 +1256,16 @@
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
@@ -1279,7 +1276,6 @@
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
@@ -1297,23 +1293,105 @@
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
 
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
 	{ }
 };
 
+struct hid_dynid {
+	struct list_head list;
+	struct hid_device_id id;
+};
+
+/**
+ * store_new_id - add a new HID device ID to this driver and re-probe devices
+ * @driver: target device driver
+ * @buf: buffer for scanning device ID data
+ * @count: input size
+ *
+ * Adds a new dynamic hid device ID to this driver,
+ * and causes the driver to probe for all devices again.
+ */
+static ssize_t store_new_id(struct device_driver *drv, const char *buf,
+		size_t count)
+{
+	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
+	struct hid_dynid *dynid;
+	__u32 bus, vendor, product;
+	unsigned long driver_data = 0;
+	int ret;
+
+	ret = sscanf(buf, "%x %x %x %lx",
+			&bus, &vendor, &product, &driver_data);
+	if (ret < 3)
+		return -EINVAL;
+
+	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
+	if (!dynid)
+		return -ENOMEM;
+
+	dynid->id.bus = bus;
+	dynid->id.vendor = vendor;
+	dynid->id.product = product;
+	dynid->id.driver_data = driver_data;
+
+	spin_lock(&hdrv->dyn_lock);
+	list_add_tail(&dynid->list, &hdrv->dyn_list);
+	spin_unlock(&hdrv->dyn_lock);
+
+	ret = 0;
+	if (get_driver(&hdrv->driver)) {
+		ret = driver_attach(&hdrv->driver);
+		put_driver(&hdrv->driver);
+	}
+
+	return ret ? : count;
+}
+static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
+
+static void hid_free_dynids(struct hid_driver *hdrv)
+{
+	struct hid_dynid *dynid, *n;
+
+	spin_lock(&hdrv->dyn_lock);
+	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
+		list_del(&dynid->list);
+		kfree(dynid);
+	}
+	spin_unlock(&hdrv->dyn_lock);
+}
+
+static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
+		struct hid_driver *hdrv)
+{
+	struct hid_dynid *dynid;
+
+	spin_lock(&hdrv->dyn_lock);
+	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
+		if (hid_match_one_id(hdev, &dynid->id)) {
+			spin_unlock(&hdrv->dyn_lock);
+			return &dynid->id;
+		}
+	}
+	spin_unlock(&hdrv->dyn_lock);
+
+	return hid_match_id(hdev, hdrv->id_table);
+}
+
 static int hid_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
 
-	if (!hid_match_id(hdev, hdrv->id_table))
+	if (!hid_match_device(hdev, hdrv))
 		return 0;
 
 	/* generic wants all non-blacklisted */
@@ -1332,7 +1410,7 @@
 	int ret = 0;
 
 	if (!hdev->driver) {
-		id = hid_match_id(hdev, hdrv->id_table);
+		id = hid_match_device(hdev, hdrv);
 		if (id == NULL)
 			return -ENODEV;
 
@@ -1420,6 +1498,7 @@
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
@@ -1577,6 +1656,9 @@
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
 	{ }
@@ -1618,9 +1700,10 @@
 	if (hid_ignore(hdev))
 		return -ENODEV;
 
-	/* XXX hack, any other cleaner solution < 20 bus_id bytes? */
-	sprintf(hdev->dev.bus_id, "%04X:%04X:%04X.%04X", hdev->bus,
-			hdev->vendor, hdev->product, atomic_inc_return(&id));
+	/* XXX hack, any other cleaner solution after the driver core
+	 * is converted to allow more than 20 bytes as the device name? */
+	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
+		     hdev->vendor, hdev->product, atomic_inc_return(&id));
 
 	ret = device_add(&hdev->dev);
 	if (!ret)
@@ -1695,18 +1778,33 @@
 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
 		const char *mod_name)
 {
+	int ret;
+
 	hdrv->driver.name = hdrv->name;
 	hdrv->driver.bus = &hid_bus_type;
 	hdrv->driver.owner = owner;
 	hdrv->driver.mod_name = mod_name;
 
-	return driver_register(&hdrv->driver);
+	INIT_LIST_HEAD(&hdrv->dyn_list);
+	spin_lock_init(&hdrv->dyn_lock);
+
+	ret = driver_register(&hdrv->driver);
+	if (ret)
+		return ret;
+
+	ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
+	if (ret)
+		driver_unregister(&hdrv->driver);
+
+	return ret;
 }
 EXPORT_SYMBOL_GPL(__hid_register_driver);
 
 void hid_unregister_driver(struct hid_driver *hdrv)
 {
+	driver_remove_file(&hdrv->driver, &driver_attr_new_id);
 	driver_unregister(&hdrv->driver);
+	hid_free_dynids(hdrv);
 }
 EXPORT_SYMBOL_GPL(hid_unregister_driver);
 
diff --git a/drivers/hid/hid-dell.c b/drivers/hid/hid-dell.c
deleted file mode 100644
index f5474300..0000000
--- a/drivers/hid/hid-dell.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- *  HID driver for some dell "special" devices
- *
- *  Copyright (c) 1999 Andreas Gal
- *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
- *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
- *  Copyright (c) 2006-2007 Jiri Kosina
- *  Copyright (c) 2007 Paul Walmsley
- *  Copyright (c) 2008 Jiri Slaby
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- */
-
-#include <linux/device.h>
-#include <linux/hid.h>
-#include <linux/module.h>
-
-#include "hid-ids.h"
-
-static int dell_probe(struct hid_device *hdev, const struct hid_device_id *id)
-{
-	int ret;
-
-	ret = hid_parse(hdev);
-	if (ret) {
-		dev_err(&hdev->dev, "parse failed\n");
-		goto err_free;
-	}
-
-	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
-	if (ret) {
-		dev_err(&hdev->dev, "hw start failed\n");
-		goto err_free;
-	}
-
-	usbhid_set_leds(hdev);
-
-	return 0;
-err_free:
-	return ret;
-}
-
-static const struct hid_device_id dell_devices[] = {
-	{ HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) },
-	{ }
-};
-MODULE_DEVICE_TABLE(hid, dell_devices);
-
-static struct hid_driver dell_driver = {
-	.name = "dell",
-	.id_table = dell_devices,
-	.probe = dell_probe,
-};
-
-static int dell_init(void)
-{
-	return hid_register_driver(&dell_driver);
-}
-
-static void dell_exit(void)
-{
-	hid_unregister_driver(&dell_driver);
-}
-
-module_init(dell_init);
-module_exit(dell_exit);
-MODULE_LICENSE("GPL");
-
-HID_COMPAT_LOAD_DRIVER(dell);
diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c
index e148f86..b4cc0f7 100644
--- a/drivers/hid/hid-dummy.c
+++ b/drivers/hid/hid-dummy.c
@@ -43,6 +43,9 @@
 #ifdef CONFIG_HID_MONTEREY_MODULE
 	HID_COMPAT_CALL_DRIVER(monterey);
 #endif
+#ifdef CONFIG_HID_NTRIG_MODULE
+	HID_COMPAT_CALL_DRIVER(ntrig);
+#endif
 #ifdef CONFIG_HID_PANTHERLORD_MODULE
 	HID_COMPAT_CALL_DRIVER(pantherlord);
 #endif
@@ -58,6 +61,9 @@
 #ifdef CONFIG_HID_SUNPLUS_MODULE
 	HID_COMPAT_CALL_DRIVER(sunplus);
 #endif
+#ifdef CONFIG_GREENASIA_FF_MODULE
+	HID_COMPAT_CALL_DRIVER(greenasia);
+#endif
 #ifdef CONFIG_THRUSTMASTER_FF_MODULE
 	HID_COMPAT_CALL_DRIVER(thrustmaster);
 #endif
diff --git a/drivers/hid/hid-gaff.c b/drivers/hid/hid-gaff.c
new file mode 100644
index 0000000..71211f6
--- /dev/null
+++ b/drivers/hid/hid-gaff.c
@@ -0,0 +1,185 @@
+/*
+ *  Force feedback support for GreenAsia (Product ID 0x12) based devices
+ *
+ *  The devices are distributed under various names and the same USB device ID
+ *  can be used in many game controllers.
+ *
+ *
+ *  0e8f:0012 "GreenAsia Inc.    USB Joystick     "
+ *   - tested with MANTA Warior MM816 and SpeedLink Strike2 SL-6635.
+ *
+ *  Copyright (c) 2008 Lukasz Lubojanski <lukasz@lubojanski.info>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/input.h>
+#include <linux/usb.h>
+#include <linux/hid.h>
+#include "hid-ids.h"
+#include "usbhid/usbhid.h"
+
+struct gaff_device {
+	struct hid_report *report;
+};
+
+static int hid_gaff_play(struct input_dev *dev, void *data,
+			 struct ff_effect *effect)
+{
+	struct hid_device *hid = input_get_drvdata(dev);
+	struct gaff_device *gaff = data;
+	int left, right;
+
+	left = effect->u.rumble.strong_magnitude;
+	right = effect->u.rumble.weak_magnitude;
+
+	dbg_hid("called with 0x%04x 0x%04x", left, right);
+
+	left = left * 0xfe / 0xffff;
+	right = right * 0xfe / 0xffff;
+
+	gaff->report->field[0]->value[0] = 0x51;
+	gaff->report->field[0]->value[1] = 0x0;
+	gaff->report->field[0]->value[2] = right;
+	gaff->report->field[0]->value[3] = 0;
+	gaff->report->field[0]->value[4] = left;
+	gaff->report->field[0]->value[5] = 0;
+	dbg_hid("running with 0x%02x 0x%02x", left, right);
+	usbhid_submit_report(hid, gaff->report, USB_DIR_OUT);
+
+	gaff->report->field[0]->value[0] = 0xfa;
+	gaff->report->field[0]->value[1] = 0xfe;
+	gaff->report->field[0]->value[2] = 0x0;
+	gaff->report->field[0]->value[4] = 0x0;
+
+	usbhid_submit_report(hid, gaff->report, USB_DIR_OUT);
+
+	return 0;
+}
+
+static int gaff_init(struct hid_device *hid)
+{
+	struct gaff_device *gaff;
+	struct hid_report *report;
+	struct hid_input *hidinput = list_entry(hid->inputs.next,
+						struct hid_input, list);
+	struct list_head *report_list =
+			&hid->report_enum[HID_OUTPUT_REPORT].report_list;
+	struct list_head *report_ptr = report_list;
+	struct input_dev *dev = hidinput->input;
+	int error;
+
+	if (list_empty(report_list)) {
+		dev_err(&hid->dev, "no output reports found\n");
+		return -ENODEV;
+	}
+
+	report_ptr = report_ptr->next;
+
+	report = list_entry(report_ptr, struct hid_report, list);
+	if (report->maxfield < 1) {
+		dev_err(&hid->dev, "no fields in the report\n");
+		return -ENODEV;
+	}
+
+	if (report->field[0]->report_count < 6) {
+		dev_err(&hid->dev, "not enough values in the field\n");
+		return -ENODEV;
+	}
+
+	gaff = kzalloc(sizeof(struct gaff_device), GFP_KERNEL);
+	if (!gaff)
+		return -ENOMEM;
+
+	set_bit(FF_RUMBLE, dev->ffbit);
+
+	error = input_ff_create_memless(dev, gaff, hid_gaff_play);
+	if (error) {
+		kfree(gaff);
+		return error;
+	}
+
+	gaff->report = report;
+	gaff->report->field[0]->value[0] = 0x51;
+	gaff->report->field[0]->value[1] = 0x00;
+	gaff->report->field[0]->value[2] = 0x00;
+	gaff->report->field[0]->value[3] = 0x00;
+	usbhid_submit_report(hid, gaff->report, USB_DIR_OUT);
+
+	gaff->report->field[0]->value[0] = 0xfa;
+	gaff->report->field[0]->value[1] = 0xfe;
+
+	usbhid_submit_report(hid, gaff->report, USB_DIR_OUT);
+
+	dev_info(&hid->dev, "Force Feedback for GreenAsia 0x12"
+	       " devices by Lukasz Lubojanski <lukasz@lubojanski.info>\n");
+
+	return 0;
+}
+
+static int ga_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	int ret;
+
+	dev_dbg(&hdev->dev, "Greenasia HID hardware probe...");
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		dev_err(&hdev->dev, "parse failed\n");
+		goto err;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
+	if (ret) {
+		dev_err(&hdev->dev, "hw start failed\n");
+		goto err;
+	}
+
+	gaff_init(hdev);
+
+	return 0;
+err:
+	return ret;
+}
+
+static const struct hid_device_id ga_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012),  },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, ga_devices);
+
+static struct hid_driver ga_driver = {
+	.name = "greenasia",
+	.id_table = ga_devices,
+	.probe = ga_probe,
+};
+
+static int __init ga_init(void)
+{
+	return hid_register_driver(&ga_driver);
+}
+
+static void __exit ga_exit(void)
+{
+	hid_unregister_driver(&ga_driver);
+}
+
+module_init(ga_init);
+module_exit(ga_exit);
+MODULE_LICENSE("GPL");
+
+HID_COMPAT_LOAD_DRIVER(greenasia);
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 3928969..acc1abc 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -107,9 +107,6 @@
 #define USB_VENDOR_ID_BELKIN           0x050d
 #define USB_DEVICE_ID_FLIP_KVM         0x3201
 
-#define USB_VENDOR_ID_BRIGHT		0x1241
-#define USB_DEVICE_ID_BRIGHT_ABNT2	0x1503
-
 #define USB_VENDOR_ID_BERKSHIRE		0x0c98
 #define USB_DEVICE_ID_BERKSHIRE_PCWD	0x1140
 
@@ -141,9 +138,8 @@
 #define USB_DEVICE_ID_CYPRESS_BARCODE_1	0xde61
 #define USB_DEVICE_ID_CYPRESS_BARCODE_2	0xde64
 
-#define USB_VENDOR_ID_DELL		0x413c
-#define USB_DEVICE_ID_DELL_W7658	0x2005
-#define USB_DEVICE_ID_DELL_SK8115	0x2105
+#define USB_VENDOR_ID_DEALEXTREAME	0x10c5
+#define USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701	0x819a
 
 #define USB_VENDOR_ID_DELORME		0x1163
 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
@@ -167,9 +163,6 @@
 
 #define USB_VENDOR_ID_GENERAL_TOUCH	0x0dfc
 
-#define USB_VENDOR_ID_GENERIC_13BA	0x13ba
-#define USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE	0x0017
-
 #define USB_VENDOR_ID_GLAB		0x06c2
 #define USB_DEVICE_ID_4_PHIDGETSERVO_30	0x0038
 #define USB_DEVICE_ID_1_PHIDGETSERVO_30	0x0039
@@ -292,7 +285,6 @@
 #define USB_DEVICE_ID_LOGITECH_WHEEL	0xc294
 #define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL	0xc295
 #define USB_DEVICE_ID_LOGITECH_ELITE_KBD	0xc30a
-#define USB_DEVICE_ID_LOGITECH_KBD	0xc311
 #define USB_DEVICE_ID_S510_RECEIVER	0xc50c
 #define USB_DEVICE_ID_S510_RECEIVER_2	0xc517
 #define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500	0xc512
@@ -339,6 +331,9 @@
 #define USB_VENDOR_ID_NEC		0x073e
 #define USB_DEVICE_ID_NEC_USB_GAME_PAD	0x0301
 
+#define USB_VENDOR_ID_NTRIG                0x1b96
+#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN   0x0001
+
 #define USB_VENDOR_ID_ONTRAK		0x0a07
 #define USB_DEVICE_ID_ONTRAK_ADU100	0x0064
 
@@ -383,9 +378,15 @@
 #define USB_VENDOR_ID_TOPMAX		0x0663
 #define USB_DEVICE_ID_TOPMAX_COBRAPAD	0x0103
 
+#define USB_VENDOR_ID_TOPSEED		0x0766
+#define USB_DEVICE_ID_TOPSEED_CYBERLINK	0x0204
+
 #define USB_VENDOR_ID_TURBOX		0x062a
 #define USB_DEVICE_ID_TURBOX_KEYBOARD	0x0201
 
+#define USB_VENDOR_ID_UCLOGIC		0x5543
+#define USB_DEVICE_ID_UCLOGIC_TABLET_PF1209	0x0042
+
 #define USB_VENDOR_ID_VERNIER		0x08f7
 #define USB_DEVICE_ID_VERNIER_LABPRO	0x0001
 #define USB_DEVICE_ID_VERNIER_GOTEMP	0x0002
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 2bae340..83e07c9 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -26,7 +26,6 @@
 #define LG_RDESC		0x001
 #define LG_BAD_RELATIVE_KEYS	0x002
 #define LG_DUPLICATE_USAGES	0x004
-#define LG_RESET_LEDS		0x008
 #define LG_EXPANDED_KEYMAP	0x010
 #define LG_IGNORE_DOUBLED_WHEEL	0x020
 #define LG_WIRELESS		0x040
@@ -248,9 +247,6 @@
 		goto err_free;
 	}
 
-	if (quirks & LG_RESET_LEDS)
-		usbhid_set_leds(hdev);
-
 	if (quirks & LG_FF)
 		lgff_init(hdev);
 	if (quirks & LG_FF2)
@@ -279,9 +275,6 @@
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
 		.driver_data = LG_DUPLICATE_USAGES },
 
-	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD),
-		.driver_data = LG_RESET_LEDS },
-
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
 		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
new file mode 100644
index 0000000..db44fbd
--- /dev/null
+++ b/drivers/hid/hid-ntrig.c
@@ -0,0 +1,82 @@
+/*
+ *  HID driver for some ntrig "special" devices
+ *
+ *  Copyright (c) 1999 Andreas Gal
+ *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ *  Copyright (c) 2006-2007 Jiri Kosina
+ *  Copyright (c) 2007 Paul Walmsley
+ *  Copyright (c) 2008 Jiri Slaby
+ *  Copyright (c) 2008 Rafi Rubin
+ *
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+#define NTRIG_DUPLICATE_USAGES	0x001
+
+#define nt_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
+					EV_KEY, (c))
+
+static int ntrig_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_DIGITIZER &&
+			(usage->hid & 0xff) == 0x47) {
+		nt_map_key_clear(BTN_TOOL_DOUBLETAP);
+		return 1;
+	}
+	return 0;
+}
+
+static int ntrig_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	if (usage->type == EV_KEY || usage->type == EV_REL
+			|| usage->type == EV_ABS)
+		clear_bit(usage->code, *bit);
+
+	return 0;
+}
+static const struct hid_device_id ntrig_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN),
+		.driver_data = NTRIG_DUPLICATE_USAGES },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, ntrig_devices);
+
+static struct hid_driver ntrig_driver = {
+	.name = "ntrig",
+	.id_table = ntrig_devices,
+	.input_mapping = ntrig_input_mapping,
+	.input_mapped = ntrig_input_mapped,
+};
+
+static int ntrig_init(void)
+{
+	return hid_register_driver(&ntrig_driver);
+}
+
+static void ntrig_exit(void)
+{
+	hid_unregister_driver(&ntrig_driver);
+}
+
+module_init(ntrig_init);
+module_exit(ntrig_exit);
+MODULE_LICENSE("GPL");
+
+HID_COMPAT_LOAD_DRIVER(ntrig);
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 86e563b..dd5a397 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -102,7 +102,7 @@
 	}
 
 	ret = sony_set_operational(hdev);
-	if (ret)
+	if (ret < 0)
 		goto err_stop;
 
 	return 0;
diff --git a/drivers/hid/hid-topseed.c b/drivers/hid/hid-topseed.c
new file mode 100644
index 0000000..cca64a0
--- /dev/null
+++ b/drivers/hid/hid-topseed.c
@@ -0,0 +1,77 @@
+/*
+ *  HID driver for TopSeed Cyberlink remote
+ *
+ *  Copyright (c) 2008 Lev Babiev
+ *  based on hid-cherry driver
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+#define ts_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
+					EV_KEY, (c))
+static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	if ((usage->hid & HID_USAGE_PAGE) != 0x0ffbc0000)
+		return 0;
+
+	switch (usage->hid & HID_USAGE) {
+        case 0x00d: ts_map_key_clear(KEY_HOME);           break;
+        case 0x024: ts_map_key_clear(KEY_MENU);           break;
+        case 0x025: ts_map_key_clear(KEY_TV);             break;
+        case 0x048: ts_map_key_clear(KEY_RED);            break;
+        case 0x047: ts_map_key_clear(KEY_GREEN);          break;
+        case 0x049: ts_map_key_clear(KEY_YELLOW);         break;
+        case 0x04a: ts_map_key_clear(KEY_BLUE);           break;
+        case 0x04b: ts_map_key_clear(KEY_ANGLE);          break;
+        case 0x04c: ts_map_key_clear(KEY_LANGUAGE);       break;
+        case 0x04d: ts_map_key_clear(KEY_SUBTITLE);       break;
+        case 0x031: ts_map_key_clear(KEY_AUDIO);          break;
+        case 0x032: ts_map_key_clear(KEY_TEXT);           break;
+        case 0x033: ts_map_key_clear(KEY_CHANNEL);        break;
+	default:
+		return 0;
+	}
+
+	return 1;
+}
+
+static const struct hid_device_id ts_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, ts_devices);
+
+static struct hid_driver ts_driver = {
+	.name = "topseed",
+	.id_table = ts_devices,
+	.input_mapping = ts_input_mapping,
+};
+
+static int ts_init(void)
+{
+	return hid_register_driver(&ts_driver);
+}
+
+static void ts_exit(void)
+{
+	hid_unregister_driver(&ts_driver);
+}
+
+module_init(ts_init);
+module_exit(ts_exit);
+MODULE_LICENSE("GPL");
+
+HID_COMPAT_LOAD_DRIVER(topseed);
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 7685ae6..7324496 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -208,7 +208,7 @@
 
 	list_del(&list->node);
 	dev = hidraw_table[minor];
-	if (!dev->open--) {
+	if (!--dev->open) {
 		if (list->hidraw->exist)
 			dev->hid->ll_driver->close(dev->hid);
 		else
@@ -265,6 +265,34 @@
 				break;
 			}
 		default:
+			{
+				struct hid_device *hid = dev->hid;
+				if (_IOC_TYPE(cmd) != 'H' || _IOC_DIR(cmd) != _IOC_READ)
+					return -EINVAL;
+
+				if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWNAME(0))) {
+					int len;
+					if (!hid->name)
+						return 0;
+					len = strlen(hid->name) + 1;
+					if (len > _IOC_SIZE(cmd))
+						len = _IOC_SIZE(cmd);
+					return copy_to_user(user_arg, hid->name, len) ?
+						-EFAULT : len;
+				}
+
+				if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWPHYS(0))) {
+					int len;
+					if (!hid->phys)
+						return 0;
+					len = strlen(hid->phys) + 1;
+					if (len > _IOC_SIZE(cmd))
+						len = _IOC_SIZE(cmd);
+					return copy_to_user(user_arg, hid->phys, len) ?
+						-EFAULT : len;
+				}
+                }
+
 			ret = -ENOTTY;
 	}
 	unlock_kernel();
@@ -329,7 +357,7 @@
 		goto out;
 	}
 
-	dev->dev = device_create(hidraw_class, NULL, MKDEV(hidraw_major, minor),
+	dev->dev = device_create(hidraw_class, &hid->dev, MKDEV(hidraw_major, minor),
 				 NULL, "%s%d", "hidraw", minor);
 
 	if (IS_ERR(dev->dev)) {
diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig
index 5d9aa95..4edb3be 100644
--- a/drivers/hid/usbhid/Kconfig
+++ b/drivers/hid/usbhid/Kconfig
@@ -45,7 +45,7 @@
 	  If unsure, say Y.
 
 menu "USB HID Boot Protocol drivers"
-	depends on USB!=n && USB_HID!=y
+	depends on USB!=n && USB_HID!=y && EMBEDDED
 
 config USB_KBD
 	tristate "USB HIDBP Keyboard (simple Boot) support"
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 606369e..03cb494 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -4,7 +4,7 @@
  *  Copyright (c) 1999 Andreas Gal
  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
- *  Copyright (c) 2006-2007 Jiri Kosina
+ *  Copyright (c) 2006-2008 Jiri Kosina
  */
 
 /*
@@ -641,9 +641,7 @@
 	unsigned int size;
 
 	list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
-		size = ((report->size - 1) >> 3) + 1;
-		if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
-			size++;
+		size = ((report->size - 1) >> 3) + 1 + hid->report_enum[type].numbered;
 		if (*max < size)
 			*max = size;
 	}
@@ -653,13 +651,16 @@
 {
 	struct usbhid_device *usbhid = hid->driver_data;
 
-	if (!(usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->inbuf_dma)))
-		return -1;
-	if (!(usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->outbuf_dma)))
-		return -1;
-	if (!(usbhid->cr = usb_buffer_alloc(dev, sizeof(*(usbhid->cr)), GFP_ATOMIC, &usbhid->cr_dma)))
-		return -1;
-	if (!(usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->ctrlbuf_dma)))
+	usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL,
+			&usbhid->inbuf_dma);
+	usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL,
+			&usbhid->outbuf_dma);
+	usbhid->cr = usb_buffer_alloc(dev, sizeof(*usbhid->cr), GFP_KERNEL,
+			&usbhid->cr_dma);
+	usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL,
+			&usbhid->ctrlbuf_dma);
+	if (!usbhid->inbuf || !usbhid->outbuf || !usbhid->cr ||
+			!usbhid->ctrlbuf)
 		return -1;
 
 	return 0;
@@ -807,7 +808,7 @@
 		int interval;
 
 		endpoint = &interface->endpoint[n].desc;
-		if ((endpoint->bmAttributes & 3) != 3)		/* Not an interrupt endpoint */
+		if (!usb_endpoint_xfer_int(endpoint))
 			continue;
 
 		interval = endpoint->bInterval;
@@ -876,6 +877,15 @@
 
 	set_bit(HID_STARTED, &usbhid->iofl);
 
+	/* Some keyboards don't work until their LEDs have been set.
+	 * Since BIOSes do set the LEDs, it must be safe for any device
+	 * that supports the keyboard boot protocol.
+	 */
+	if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT &&
+			interface->desc.bInterfaceProtocol ==
+				USB_INTERFACE_PROTOCOL_KEYBOARD)
+		usbhid_set_leds(hid);
+
 	return 0;
 
 fail:
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 47ebe04..4391717 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -54,6 +54,7 @@
 	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
 	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 83e851a..6a98f9f 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -49,6 +49,7 @@
 struct hiddev {
 	int exist;
 	int open;
+	struct mutex existancelock;
 	wait_queue_head_t wait;
 	struct hid_device *hid;
 	struct list_head list;
@@ -63,6 +64,7 @@
 	struct fasync_struct *fasync;
 	struct hiddev *hiddev;
 	struct list_head node;
+	struct mutex thread_lock;
 };
 
 static struct hiddev *hiddev_table[HIDDEV_MINORS];
@@ -264,29 +266,48 @@
 static int hiddev_open(struct inode *inode, struct file *file)
 {
 	struct hiddev_list *list;
-	unsigned long flags;
+	int res;
 
 	int i = iminor(inode) - HIDDEV_MINOR_BASE;
 
-	if (i >= HIDDEV_MINORS || !hiddev_table[i])
+	if (i >= HIDDEV_MINORS || i < 0 || !hiddev_table[i])
 		return -ENODEV;
 
 	if (!(list = kzalloc(sizeof(struct hiddev_list), GFP_KERNEL)))
 		return -ENOMEM;
+	mutex_init(&list->thread_lock);
 
 	list->hiddev = hiddev_table[i];
 
-	spin_lock_irqsave(&list->hiddev->list_lock, flags);
-	list_add_tail(&list->node, &hiddev_table[i]->list);
-	spin_unlock_irqrestore(&list->hiddev->list_lock, flags);
 
 	file->private_data = list;
 
-	if (!list->hiddev->open++)
-		if (list->hiddev->exist)
-			usbhid_open(hiddev_table[i]->hid);
+	/*
+	 * no need for locking because the USB major number
+	 * is shared which usbcore guards against disconnect
+	 */
+	if (list->hiddev->exist) {
+		if (!list->hiddev->open++) {
+			res = usbhid_open(hiddev_table[i]->hid);
+			if (res < 0) {
+				res = -EIO;
+				goto bail;
+			}
+		}
+	} else {
+		res = -ENODEV;
+		goto bail;
+	}
+
+	spin_lock_irq(&list->hiddev->list_lock);
+	list_add_tail(&list->node, &hiddev_table[i]->list);
+	spin_unlock_irq(&list->hiddev->list_lock);
 
 	return 0;
+bail:
+	file->private_data = NULL;
+	kfree(list->hiddev);
+	return res;
 }
 
 /*
@@ -305,7 +326,7 @@
 	DECLARE_WAITQUEUE(wait, current);
 	struct hiddev_list *list = file->private_data;
 	int event_size;
-	int retval = 0;
+	int retval;
 
 	event_size = ((list->flags & HIDDEV_FLAG_UREF) != 0) ?
 		sizeof(struct hiddev_usage_ref) : sizeof(struct hiddev_event);
@@ -313,10 +334,14 @@
 	if (count < event_size)
 		return 0;
 
+	/* lock against other threads */
+	retval = mutex_lock_interruptible(&list->thread_lock);
+	if (retval)
+		return -ERESTARTSYS;
+
 	while (retval == 0) {
 		if (list->head == list->tail) {
-			add_wait_queue(&list->hiddev->wait, &wait);
-			set_current_state(TASK_INTERRUPTIBLE);
+			prepare_to_wait(&list->hiddev->wait, &wait, TASK_INTERRUPTIBLE);
 
 			while (list->head == list->tail) {
 				if (file->f_flags & O_NONBLOCK) {
@@ -332,35 +357,45 @@
 					break;
 				}
 
+				/* let O_NONBLOCK tasks run */
+				mutex_unlock(&list->thread_lock);
 				schedule();
+				if (mutex_lock_interruptible(&list->thread_lock))
+					return -EINTR;
 				set_current_state(TASK_INTERRUPTIBLE);
 			}
+			finish_wait(&list->hiddev->wait, &wait);
 
-			set_current_state(TASK_RUNNING);
-			remove_wait_queue(&list->hiddev->wait, &wait);
 		}
 
-		if (retval)
+		if (retval) {
+			mutex_unlock(&list->thread_lock);
 			return retval;
+		}
 
 
 		while (list->head != list->tail &&
 		       retval + event_size <= count) {
 			if ((list->flags & HIDDEV_FLAG_UREF) == 0) {
-				if (list->buffer[list->tail].field_index !=
-				    HID_FIELD_INDEX_NONE) {
+				if (list->buffer[list->tail].field_index != HID_FIELD_INDEX_NONE) {
 					struct hiddev_event event;
+
 					event.hid = list->buffer[list->tail].usage_code;
 					event.value = list->buffer[list->tail].value;
-					if (copy_to_user(buffer + retval, &event, sizeof(struct hiddev_event)))
+					if (copy_to_user(buffer + retval, &event, sizeof(struct hiddev_event))) {
+						mutex_unlock(&list->thread_lock);
 						return -EFAULT;
+					}
 					retval += sizeof(struct hiddev_event);
 				}
 			} else {
 				if (list->buffer[list->tail].field_index != HID_FIELD_INDEX_NONE ||
 				    (list->flags & HIDDEV_FLAG_REPORT) != 0) {
-					if (copy_to_user(buffer + retval, list->buffer + list->tail, sizeof(struct hiddev_usage_ref)))
+
+					if (copy_to_user(buffer + retval, list->buffer + list->tail, sizeof(struct hiddev_usage_ref))) {
+						mutex_unlock(&list->thread_lock);
 						return -EFAULT;
+					}
 					retval += sizeof(struct hiddev_usage_ref);
 				}
 			}
@@ -368,6 +403,7 @@
 		}
 
 	}
+	mutex_unlock(&list->thread_lock);
 
 	return retval;
 }
@@ -555,7 +591,7 @@
 	struct hid_field *field;
 	struct usbhid_device *usbhid = hid->driver_data;
 	void __user *user_arg = (void __user *)arg;
-	int i;
+	int i, r;
 	
 	/* Called without BKL by compat methods so no BKL taken */
 
@@ -619,10 +655,22 @@
 		}
 
 	case HIDIOCGSTRING:
-		return hiddev_ioctl_string(hiddev, cmd, user_arg);
+		mutex_lock(&hiddev->existancelock);
+		if (!hiddev->exist)
+			r = hiddev_ioctl_string(hiddev, cmd, user_arg);
+		else
+			r = -ENODEV;
+		mutex_unlock(&hiddev->existancelock);
+		return r;
 
 	case HIDIOCINITREPORT:
+		mutex_lock(&hiddev->existancelock);
+		if (!hiddev->exist) {
+			mutex_unlock(&hiddev->existancelock);
+			return -ENODEV;
+		}
 		usbhid_init_reports(hid);
+		mutex_unlock(&hiddev->existancelock);
 
 		return 0;
 
@@ -636,8 +684,12 @@
 		if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL)
 			return -EINVAL;
 
-		usbhid_submit_report(hid, report, USB_DIR_IN);
-		usbhid_wait_io(hid);
+		mutex_lock(&hiddev->existancelock);
+		if (hiddev->exist) {
+			usbhid_submit_report(hid, report, USB_DIR_IN);
+			usbhid_wait_io(hid);
+		}
+		mutex_unlock(&hiddev->existancelock);
 
 		return 0;
 
@@ -651,8 +703,12 @@
 		if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL)
 			return -EINVAL;
 
-		usbhid_submit_report(hid, report, USB_DIR_OUT);
-		usbhid_wait_io(hid);
+		mutex_lock(&hiddev->existancelock);
+		if (hiddev->exist) {
+			usbhid_submit_report(hid, report, USB_DIR_OUT);
+			usbhid_wait_io(hid);
+		}
+		mutex_unlock(&hiddev->existancelock);
 
 		return 0;
 
@@ -710,7 +766,13 @@
 	case HIDIOCGUSAGES:
 	case HIDIOCSUSAGES:
 	case HIDIOCGCOLLECTIONINDEX:
-		return hiddev_ioctl_usage(hiddev, cmd, user_arg);
+		mutex_lock(&hiddev->existancelock);
+		if (hiddev->exist)
+			r = hiddev_ioctl_usage(hiddev, cmd, user_arg);
+		else
+			r = -ENODEV;
+		mutex_unlock(&hiddev->existancelock);
+		return r;
 
 	case HIDIOCGCOLLECTIONINFO:
 		if (copy_from_user(&cinfo, user_arg, sizeof(cinfo)))
@@ -808,24 +870,23 @@
 	if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL)))
 		return -1;
 
+	init_waitqueue_head(&hiddev->wait);
+	INIT_LIST_HEAD(&hiddev->list);
+	spin_lock_init(&hiddev->list_lock);
+	mutex_init(&hiddev->existancelock);
+	hiddev->hid = hid;
+	hiddev->exist = 1;
+
 	retval = usb_register_dev(usbhid->intf, &hiddev_class);
 	if (retval) {
 		err_hid("Not able to get a minor for this device.");
 		kfree(hiddev);
 		return -1;
+	} else {
+		hid->minor = usbhid->intf->minor;
+		hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev;
 	}
 
-	init_waitqueue_head(&hiddev->wait);
-	INIT_LIST_HEAD(&hiddev->list);
-	spin_lock_init(&hiddev->list_lock);
-	hiddev->hid = hid;
-	hiddev->exist = 1;
-
-	hid->minor = usbhid->intf->minor;
-	hid->hiddev = hiddev;
-
-	hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev;
-
 	return 0;
 }
 
@@ -839,7 +900,9 @@
 	struct hiddev *hiddev = hid->hiddev;
 	struct usbhid_device *usbhid = hid->driver_data;
 
+	mutex_lock(&hiddev->existancelock);
 	hiddev->exist = 0;
+	mutex_unlock(&hiddev->existancelock);
 
 	hiddev_table[hiddev->hid->minor - HIDDEV_MINOR_BASE] = NULL;
 	usb_deregister_dev(usbhid->intf, &hiddev_class);
diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h
index 332abcd..9eb3056 100644
--- a/drivers/hid/usbhid/usbhid.h
+++ b/drivers/hid/usbhid/usbhid.h
@@ -40,6 +40,16 @@
 void usbhid_init_reports(struct hid_device *hid);
 void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir);
 
+/* iofl flags */
+#define HID_CTRL_RUNNING	1
+#define HID_OUT_RUNNING		2
+#define HID_IN_RUNNING		3
+#define HID_RESET_PENDING	4
+#define HID_SUSPENDED		5
+#define HID_CLEAR_HALT		6
+#define HID_DISCONNECTED	7
+#define HID_STARTED		8
+
 /*
  * USB-specific HID struct, to be pointed to
  * from struct hid_device->driver_data
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 608038d..be8ee2c 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -2,13 +2,16 @@
  * TI OMAP I2C master mode driver
  *
  * Copyright (C) 2003 MontaVista Software, Inc.
- * Copyright (C) 2004 Texas Instruments.
- *
- * Updated to work with multiple I2C interfaces on 24xx by
- * Tony Lindgren <tony@atomide.com> and Imre Deak <imre.deak@nokia.com>
  * Copyright (C) 2005 Nokia Corporation
+ * Copyright (C) 2004 - 2007 Texas Instruments.
  *
- * Cleaned up by Juha Yrjölä <juha.yrjola@nokia.com>
+ * Originally written by MontaVista Software, Inc.
+ * Additional contributions by:
+ *	Tony Lindgren <tony@atomide.com>
+ *	Imre Deak <imre.deak@nokia.com>
+ *	Juha Yrjölä <juha.yrjola@solidboot.com>
+ *	Syed Khasim <x0khasim@ti.com>
+ *	Nishant Menon <nm@ti.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -33,8 +36,14 @@
 #include <linux/completion.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
+/* I2C controller revisions */
+#define OMAP_I2C_REV_2			0x20
+
+/* I2C controller revisions present on specific hardware */
+#define OMAP_I2C_REV_ON_2430		0x36
+#define OMAP_I2C_REV_ON_3430		0x3C
 
 /* timeout waiting for the controller to respond */
 #define OMAP_I2C_TIMEOUT (msecs_to_jiffies(1000))
@@ -43,6 +52,8 @@
 #define OMAP_I2C_IE_REG			0x04
 #define OMAP_I2C_STAT_REG		0x08
 #define OMAP_I2C_IV_REG			0x0c
+/* For OMAP3 I2C_IV has changed to I2C_WE (wakeup enable) */
+#define OMAP_I2C_WE_REG			0x0c
 #define OMAP_I2C_SYSS_REG		0x10
 #define OMAP_I2C_BUF_REG		0x14
 #define OMAP_I2C_CNT_REG		0x18
@@ -55,8 +66,11 @@
 #define OMAP_I2C_SCLL_REG		0x34
 #define OMAP_I2C_SCLH_REG		0x38
 #define OMAP_I2C_SYSTEST_REG		0x3c
+#define OMAP_I2C_BUFSTAT_REG		0x40
 
 /* I2C Interrupt Enable Register (OMAP_I2C_IE): */
+#define OMAP_I2C_IE_XDR		(1 << 14)	/* TX Buffer drain int enable */
+#define OMAP_I2C_IE_RDR		(1 << 13)	/* RX Buffer drain int enable */
 #define OMAP_I2C_IE_XRDY	(1 << 4)	/* TX data ready int enable */
 #define OMAP_I2C_IE_RRDY	(1 << 3)	/* RX data ready int enable */
 #define OMAP_I2C_IE_ARDY	(1 << 2)	/* Access ready int enable */
@@ -64,7 +78,8 @@
 #define OMAP_I2C_IE_AL		(1 << 0)	/* Arbitration lost int ena */
 
 /* I2C Status Register (OMAP_I2C_STAT): */
-#define OMAP_I2C_STAT_SBD	(1 << 15)	/* Single byte data */
+#define OMAP_I2C_STAT_XDR	(1 << 14)	/* TX Buffer draining */
+#define OMAP_I2C_STAT_RDR	(1 << 13)	/* RX Buffer draining */
 #define OMAP_I2C_STAT_BB	(1 << 12)	/* Bus busy */
 #define OMAP_I2C_STAT_ROVR	(1 << 11)	/* Receive overrun */
 #define OMAP_I2C_STAT_XUDF	(1 << 10)	/* Transmit underflow */
@@ -76,13 +91,34 @@
 #define OMAP_I2C_STAT_NACK	(1 << 1)	/* No ack interrupt enable */
 #define OMAP_I2C_STAT_AL	(1 << 0)	/* Arbitration lost int ena */
 
+/* I2C WE wakeup enable register */
+#define OMAP_I2C_WE_XDR_WE	(1 << 14)	/* TX drain wakup */
+#define OMAP_I2C_WE_RDR_WE	(1 << 13)	/* RX drain wakeup */
+#define OMAP_I2C_WE_AAS_WE	(1 << 9)	/* Address as slave wakeup*/
+#define OMAP_I2C_WE_BF_WE	(1 << 8)	/* Bus free wakeup */
+#define OMAP_I2C_WE_STC_WE	(1 << 6)	/* Start condition wakeup */
+#define OMAP_I2C_WE_GC_WE	(1 << 5)	/* General call wakeup */
+#define OMAP_I2C_WE_DRDY_WE	(1 << 3)	/* TX/RX data ready wakeup */
+#define OMAP_I2C_WE_ARDY_WE	(1 << 2)	/* Reg access ready wakeup */
+#define OMAP_I2C_WE_NACK_WE	(1 << 1)	/* No acknowledgment wakeup */
+#define OMAP_I2C_WE_AL_WE	(1 << 0)	/* Arbitration lost wakeup */
+
+#define OMAP_I2C_WE_ALL		(OMAP_I2C_WE_XDR_WE | OMAP_I2C_WE_RDR_WE | \
+				OMAP_I2C_WE_AAS_WE | OMAP_I2C_WE_BF_WE | \
+				OMAP_I2C_WE_STC_WE | OMAP_I2C_WE_GC_WE | \
+				OMAP_I2C_WE_DRDY_WE | OMAP_I2C_WE_ARDY_WE | \
+				OMAP_I2C_WE_NACK_WE | OMAP_I2C_WE_AL_WE)
+
 /* I2C Buffer Configuration Register (OMAP_I2C_BUF): */
 #define OMAP_I2C_BUF_RDMA_EN	(1 << 15)	/* RX DMA channel enable */
+#define OMAP_I2C_BUF_RXFIF_CLR	(1 << 14)	/* RX FIFO Clear */
 #define OMAP_I2C_BUF_XDMA_EN	(1 << 7)	/* TX DMA channel enable */
+#define OMAP_I2C_BUF_TXFIF_CLR	(1 << 6)	/* TX FIFO Clear */
 
 /* I2C Configuration Register (OMAP_I2C_CON): */
 #define OMAP_I2C_CON_EN		(1 << 15)	/* I2C module enable */
 #define OMAP_I2C_CON_BE		(1 << 14)	/* Big endian mode */
+#define OMAP_I2C_CON_OPMODE_HS	(1 << 12)	/* High Speed support */
 #define OMAP_I2C_CON_STB	(1 << 11)	/* Start byte mode (master) */
 #define OMAP_I2C_CON_MST	(1 << 10)	/* Master/slave mode */
 #define OMAP_I2C_CON_TRX	(1 << 9)	/* TX/RX mode (master only) */
@@ -91,6 +127,10 @@
 #define OMAP_I2C_CON_STP	(1 << 1)	/* Stop cond (master only) */
 #define OMAP_I2C_CON_STT	(1 << 0)	/* Start condition (master) */
 
+/* I2C SCL time value when Master */
+#define OMAP_I2C_SCLL_HSSCLL	8
+#define OMAP_I2C_SCLH_HSSCLH	8
+
 /* I2C System Test Register (OMAP_I2C_SYSTEST): */
 #ifdef DEBUG
 #define OMAP_I2C_SYSTEST_ST_EN		(1 << 15)	/* System test enable */
@@ -103,17 +143,19 @@
 #define OMAP_I2C_SYSTEST_SDA_O		(1 << 0)	/* SDA line drive out */
 #endif
 
-/* I2C System Status register (OMAP_I2C_SYSS): */
-#define OMAP_I2C_SYSS_RDONE		(1 << 0)	/* Reset Done */
+/* OCP_SYSSTATUS bit definitions */
+#define SYSS_RESETDONE_MASK		(1 << 0)
 
-/* I2C System Configuration Register (OMAP_I2C_SYSC): */
-#define OMAP_I2C_SYSC_SRST		(1 << 1)	/* Soft Reset */
+/* OCP_SYSCONFIG bit definitions */
+#define SYSC_CLOCKACTIVITY_MASK		(0x3 << 8)
+#define SYSC_SIDLEMODE_MASK		(0x3 << 3)
+#define SYSC_ENAWAKEUP_MASK		(1 << 2)
+#define SYSC_SOFTRESET_MASK		(1 << 1)
+#define SYSC_AUTOIDLE_MASK		(1 << 0)
 
-/* REVISIT: Use platform_data instead of module parameters */
-/* Fast Mode = 400 kHz, Standard = 100 kHz */
-static int clock = 100; /* Default: 100 kHz */
-module_param(clock, int, 0);
-MODULE_PARM_DESC(clock, "Set I2C clock in kHz: 400=fast mode (default == 100)");
+#define SYSC_IDLEMODE_SMART		0x2
+#define SYSC_CLOCKACTIVITY_FCLK		0x2
+
 
 struct omap_i2c_dev {
 	struct device		*dev;
@@ -123,11 +165,17 @@
 	struct clk		*fclk;		/* Functional clock */
 	struct completion	cmd_complete;
 	struct resource		*ioarea;
+	u32			speed;		/* Speed of bus in Khz */
 	u16			cmd_err;
 	u8			*buf;
 	size_t			buf_len;
 	struct i2c_adapter	adapter;
-	unsigned		rev1:1;
+	u8			fifo_size;	/* use as flag and value
+						 * fifo_size==0 implies no fifo
+						 * if set, should be trsh+1
+						 */
+	u8			rev;
+	unsigned		b_hw:1;		/* bad h/w fixes */
 	unsigned		idle:1;
 	u16			iestate;	/* Saved interrupt register */
 };
@@ -143,9 +191,9 @@
 	return __raw_readw(i2c_dev->base + reg);
 }
 
-static int omap_i2c_get_clocks(struct omap_i2c_dev *dev)
+static int __init omap_i2c_get_clocks(struct omap_i2c_dev *dev)
 {
-	if (cpu_is_omap16xx() || cpu_is_omap24xx()) {
+	if (cpu_is_omap16xx() || cpu_class_is_omap2()) {
 		dev->iclk = clk_get(dev->dev, "i2c_ick");
 		if (IS_ERR(dev->iclk)) {
 			dev->iclk = NULL;
@@ -178,25 +226,33 @@
 
 static void omap_i2c_unidle(struct omap_i2c_dev *dev)
 {
+	WARN_ON(!dev->idle);
+
 	if (dev->iclk != NULL)
 		clk_enable(dev->iclk);
 	clk_enable(dev->fclk);
+	dev->idle = 0;
 	if (dev->iestate)
 		omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, dev->iestate);
-	dev->idle = 0;
 }
 
 static void omap_i2c_idle(struct omap_i2c_dev *dev)
 {
 	u16 iv;
 
-	dev->idle = 1;
+	WARN_ON(dev->idle);
+
 	dev->iestate = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG);
 	omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, 0);
-	if (dev->rev1)
-		iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG);	/* Read clears */
-	else
+	if (dev->rev < OMAP_I2C_REV_2) {
+		iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); /* Read clears */
+	} else {
 		omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, dev->iestate);
+
+		/* Flush posted write before the dev->idle store occurs */
+		omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG);
+	}
+	dev->idle = 1;
 	clk_disable(dev->fclk);
 	if (dev->iclk != NULL)
 		clk_disable(dev->iclk);
@@ -204,18 +260,20 @@
 
 static int omap_i2c_init(struct omap_i2c_dev *dev)
 {
-	u16 psc = 0;
+	u16 psc = 0, scll = 0, sclh = 0;
+	u16 fsscll = 0, fssclh = 0, hsscll = 0, hssclh = 0;
 	unsigned long fclk_rate = 12000000;
 	unsigned long timeout;
+	unsigned long internal_clk = 0;
 
-	if (!dev->rev1) {
-		omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, OMAP_I2C_SYSC_SRST);
+	if (dev->rev >= OMAP_I2C_REV_2) {
+		omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, SYSC_SOFTRESET_MASK);
 		/* For some reason we need to set the EN bit before the
 		 * reset done bit gets set. */
 		timeout = jiffies + OMAP_I2C_TIMEOUT;
 		omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN);
 		while (!(omap_i2c_read_reg(dev, OMAP_I2C_SYSS_REG) &
-			 OMAP_I2C_SYSS_RDONE)) {
+			 SYSS_RESETDONE_MASK)) {
 			if (time_after(jiffies, timeout)) {
 				dev_warn(dev->dev, "timeout waiting "
 						"for controller reset\n");
@@ -223,6 +281,33 @@
 			}
 			msleep(1);
 		}
+
+		/* SYSC register is cleared by the reset; rewrite it */
+		if (dev->rev == OMAP_I2C_REV_ON_2430) {
+
+			omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG,
+					   SYSC_AUTOIDLE_MASK);
+
+		} else if (dev->rev >= OMAP_I2C_REV_ON_3430) {
+			u32 v;
+
+			v = SYSC_AUTOIDLE_MASK;
+			v |= SYSC_ENAWAKEUP_MASK;
+			v |= (SYSC_IDLEMODE_SMART <<
+			      __ffs(SYSC_SIDLEMODE_MASK));
+			v |= (SYSC_CLOCKACTIVITY_FCLK <<
+			      __ffs(SYSC_CLOCKACTIVITY_MASK));
+
+			omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, v);
+			/*
+			 * Enabling all wakup sources to stop I2C freezing on
+			 * WFI instruction.
+			 * REVISIT: Some wkup sources might not be needed.
+			 */
+			omap_i2c_write_reg(dev, OMAP_I2C_WE_REG,
+							OMAP_I2C_WE_ALL);
+
+		}
 	}
 	omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
 
@@ -249,27 +334,65 @@
 			psc = fclk_rate / 12000000;
 	}
 
+	if (cpu_is_omap2430() || cpu_is_omap34xx()) {
+
+		/* HSI2C controller internal clk rate should be 19.2 Mhz */
+		internal_clk = 19200;
+		fclk_rate = clk_get_rate(dev->fclk) / 1000;
+
+		/* Compute prescaler divisor */
+		psc = fclk_rate / internal_clk;
+		psc = psc - 1;
+
+		/* If configured for High Speed */
+		if (dev->speed > 400) {
+			/* For first phase of HS mode */
+			fsscll = internal_clk / (400 * 2) - 6;
+			fssclh = internal_clk / (400 * 2) - 6;
+
+			/* For second phase of HS mode */
+			hsscll = fclk_rate / (dev->speed * 2) - 6;
+			hssclh = fclk_rate / (dev->speed * 2) - 6;
+		} else {
+			/* To handle F/S modes */
+			fsscll = internal_clk / (dev->speed * 2) - 6;
+			fssclh = internal_clk / (dev->speed * 2) - 6;
+		}
+		scll = (hsscll << OMAP_I2C_SCLL_HSSCLL) | fsscll;
+		sclh = (hssclh << OMAP_I2C_SCLH_HSSCLH) | fssclh;
+	} else {
+		/* Program desired operating rate */
+		fclk_rate /= (psc + 1) * 1000;
+		if (psc > 2)
+			psc = 2;
+		scll = fclk_rate / (dev->speed * 2) - 7 + psc;
+		sclh = fclk_rate / (dev->speed * 2) - 7 + psc;
+	}
+
 	/* Setup clock prescaler to obtain approx 12MHz I2C module clock: */
 	omap_i2c_write_reg(dev, OMAP_I2C_PSC_REG, psc);
 
-	/* Program desired operating rate */
-	fclk_rate /= (psc + 1) * 1000;
-	if (psc > 2)
-		psc = 2;
+	/* SCL low and high time values */
+	omap_i2c_write_reg(dev, OMAP_I2C_SCLL_REG, scll);
+	omap_i2c_write_reg(dev, OMAP_I2C_SCLH_REG, sclh);
 
-	omap_i2c_write_reg(dev, OMAP_I2C_SCLL_REG,
-			   fclk_rate / (clock * 2) - 7 + psc);
-	omap_i2c_write_reg(dev, OMAP_I2C_SCLH_REG,
-			   fclk_rate / (clock * 2) - 7 + psc);
+	if (dev->fifo_size)
+		/* Note: setup required fifo size - 1 */
+		omap_i2c_write_reg(dev, OMAP_I2C_BUF_REG,
+					(dev->fifo_size - 1) << 8 | /* RTRSH */
+					OMAP_I2C_BUF_RXFIF_CLR |
+					(dev->fifo_size - 1) | /* XTRSH */
+					OMAP_I2C_BUF_TXFIF_CLR);
 
 	/* Take the I2C module out of reset: */
 	omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN);
 
 	/* Enable interrupts */
 	omap_i2c_write_reg(dev, OMAP_I2C_IE_REG,
-			   (OMAP_I2C_IE_XRDY | OMAP_I2C_IE_RRDY |
-			    OMAP_I2C_IE_ARDY | OMAP_I2C_IE_NACK |
-			    OMAP_I2C_IE_AL));
+			(OMAP_I2C_IE_XRDY | OMAP_I2C_IE_RRDY |
+			OMAP_I2C_IE_ARDY | OMAP_I2C_IE_NACK |
+			OMAP_I2C_IE_AL)  | ((dev->fifo_size) ?
+				(OMAP_I2C_IE_RDR | OMAP_I2C_IE_XDR) : 0));
 	return 0;
 }
 
@@ -316,20 +439,59 @@
 
 	omap_i2c_write_reg(dev, OMAP_I2C_CNT_REG, dev->buf_len);
 
+	/* Clear the FIFO Buffers */
+	w = omap_i2c_read_reg(dev, OMAP_I2C_BUF_REG);
+	w |= OMAP_I2C_BUF_RXFIF_CLR | OMAP_I2C_BUF_TXFIF_CLR;
+	omap_i2c_write_reg(dev, OMAP_I2C_BUF_REG, w);
+
 	init_completion(&dev->cmd_complete);
 	dev->cmd_err = 0;
 
 	w = OMAP_I2C_CON_EN | OMAP_I2C_CON_MST | OMAP_I2C_CON_STT;
+
+	/* High speed configuration */
+	if (dev->speed > 400)
+		w |= OMAP_I2C_CON_OPMODE_HS;
+
 	if (msg->flags & I2C_M_TEN)
 		w |= OMAP_I2C_CON_XA;
 	if (!(msg->flags & I2C_M_RD))
 		w |= OMAP_I2C_CON_TRX;
-	if (stop)
+
+	if (!dev->b_hw && stop)
 		w |= OMAP_I2C_CON_STP;
+
 	omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, w);
 
-	r = wait_for_completion_interruptible_timeout(&dev->cmd_complete,
-						      OMAP_I2C_TIMEOUT);
+	/*
+	 * Don't write stt and stp together on some hardware.
+	 */
+	if (dev->b_hw && stop) {
+		unsigned long delay = jiffies + OMAP_I2C_TIMEOUT;
+		u16 con = omap_i2c_read_reg(dev, OMAP_I2C_CON_REG);
+		while (con & OMAP_I2C_CON_STT) {
+			con = omap_i2c_read_reg(dev, OMAP_I2C_CON_REG);
+
+			/* Let the user know if i2c is in a bad state */
+			if (time_after(jiffies, delay)) {
+				dev_err(dev->dev, "controller timed out "
+				"waiting for start condition to finish\n");
+				return -ETIMEDOUT;
+			}
+			cpu_relax();
+		}
+
+		w |= OMAP_I2C_CON_STP;
+		w &= ~OMAP_I2C_CON_STT;
+		omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, w);
+	}
+
+	/*
+	 * REVISIT: We should abort the transfer on signals, but the bus goes
+	 * into arbitration and we're currently unable to recover from it.
+	 */
+	r = wait_for_completion_timeout(&dev->cmd_complete,
+					OMAP_I2C_TIMEOUT);
 	dev->buf_len = 0;
 	if (r < 0)
 		return r;
@@ -376,7 +538,8 @@
 
 	omap_i2c_unidle(dev);
 
-	if ((r = omap_i2c_wait_for_bb(dev)) < 0)
+	r = omap_i2c_wait_for_bb(dev);
+	if (r < 0)
 		goto out;
 
 	for (i = 0; i < num; i++) {
@@ -411,6 +574,9 @@
 	omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, stat);
 }
 
+/* rev1 devices are apparently only on some 15xx */
+#ifdef CONFIG_ARCH_OMAP15XX
+
 static irqreturn_t
 omap_i2c_rev1_isr(int this_irq, void *dev_id)
 {
@@ -465,6 +631,9 @@
 
 	return IRQ_HANDLED;
 }
+#else
+#define omap_i2c_rev1_isr		NULL
+#endif
 
 static irqreturn_t
 omap_i2c_isr(int this_irq, void *dev_id)
@@ -472,7 +641,7 @@
 	struct omap_i2c_dev *dev = dev_id;
 	u16 bits;
 	u16 stat, w;
-	int count = 0;
+	int err, count = 0;
 
 	if (dev->idle)
 		return IRQ_NONE;
@@ -487,39 +656,96 @@
 
 		omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, stat);
 
-		if (stat & OMAP_I2C_STAT_ARDY) {
-			omap_i2c_complete_cmd(dev, 0);
+		err = 0;
+		if (stat & OMAP_I2C_STAT_NACK) {
+			err |= OMAP_I2C_STAT_NACK;
+			omap_i2c_write_reg(dev, OMAP_I2C_CON_REG,
+					   OMAP_I2C_CON_STP);
+		}
+		if (stat & OMAP_I2C_STAT_AL) {
+			dev_err(dev->dev, "Arbitration lost\n");
+			err |= OMAP_I2C_STAT_AL;
+		}
+		if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK |
+					OMAP_I2C_STAT_AL))
+			omap_i2c_complete_cmd(dev, err);
+		if (stat & (OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR)) {
+			u8 num_bytes = 1;
+			if (dev->fifo_size) {
+				if (stat & OMAP_I2C_STAT_RRDY)
+					num_bytes = dev->fifo_size;
+				else
+					num_bytes = omap_i2c_read_reg(dev,
+							OMAP_I2C_BUFSTAT_REG);
+			}
+			while (num_bytes) {
+				num_bytes--;
+				w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG);
+				if (dev->buf_len) {
+					*dev->buf++ = w;
+					dev->buf_len--;
+					/* Data reg from 2430 is 8 bit wide */
+					if (!cpu_is_omap2430() &&
+							!cpu_is_omap34xx()) {
+						if (dev->buf_len) {
+							*dev->buf++ = w >> 8;
+							dev->buf_len--;
+						}
+					}
+				} else {
+					if (stat & OMAP_I2C_STAT_RRDY)
+						dev_err(dev->dev,
+							"RRDY IRQ while no data"
+								" requested\n");
+					if (stat & OMAP_I2C_STAT_RDR)
+						dev_err(dev->dev,
+							"RDR IRQ while no data"
+								" requested\n");
+					break;
+				}
+			}
+			omap_i2c_ack_stat(dev,
+				stat & (OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR));
 			continue;
 		}
-		if (stat & OMAP_I2C_STAT_RRDY) {
-			w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG);
-			if (dev->buf_len) {
-				*dev->buf++ = w;
-				dev->buf_len--;
+		if (stat & (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR)) {
+			u8 num_bytes = 1;
+			if (dev->fifo_size) {
+				if (stat & OMAP_I2C_STAT_XRDY)
+					num_bytes = dev->fifo_size;
+				else
+					num_bytes = omap_i2c_read_reg(dev,
+							OMAP_I2C_BUFSTAT_REG);
+			}
+			while (num_bytes) {
+				num_bytes--;
+				w = 0;
 				if (dev->buf_len) {
-					*dev->buf++ = w >> 8;
+					w = *dev->buf++;
 					dev->buf_len--;
+					/* Data reg from  2430 is 8 bit wide */
+					if (!cpu_is_omap2430() &&
+							!cpu_is_omap34xx()) {
+						if (dev->buf_len) {
+							w |= *dev->buf++ << 8;
+							dev->buf_len--;
+						}
+					}
+				} else {
+					if (stat & OMAP_I2C_STAT_XRDY)
+						dev_err(dev->dev,
+							"XRDY IRQ while no "
+							"data to send\n");
+					if (stat & OMAP_I2C_STAT_XDR)
+						dev_err(dev->dev,
+							"XDR IRQ while no "
+							"data to send\n");
+					break;
 				}
-			} else
-				dev_err(dev->dev, "RRDY IRQ while no data "
-						"requested\n");
-			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_RRDY);
-			continue;
-		}
-		if (stat & OMAP_I2C_STAT_XRDY) {
-			w = 0;
-			if (dev->buf_len) {
-				w = *dev->buf++;
-				dev->buf_len--;
-				if (dev->buf_len) {
-					w |= *dev->buf++ << 8;
-					dev->buf_len--;
-				}
-			} else
-				dev_err(dev->dev, "XRDY IRQ while no "
-					"data to send\n");
-			omap_i2c_write_reg(dev, OMAP_I2C_DATA_REG, w);
-			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XRDY);
+				omap_i2c_write_reg(dev, OMAP_I2C_DATA_REG, w);
+			}
+			omap_i2c_ack_stat(dev,
+				stat & (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR));
 			continue;
 		}
 		if (stat & OMAP_I2C_STAT_ROVR) {
@@ -527,18 +753,9 @@
 			dev->cmd_err |= OMAP_I2C_STAT_ROVR;
 		}
 		if (stat & OMAP_I2C_STAT_XUDF) {
-			dev_err(dev->dev, "Transmit overflow\n");
+			dev_err(dev->dev, "Transmit underflow\n");
 			dev->cmd_err |= OMAP_I2C_STAT_XUDF;
 		}
-		if (stat & OMAP_I2C_STAT_NACK) {
-			omap_i2c_complete_cmd(dev, OMAP_I2C_STAT_NACK);
-			omap_i2c_write_reg(dev, OMAP_I2C_CON_REG,
-					   OMAP_I2C_CON_STP);
-		}
-		if (stat & OMAP_I2C_STAT_AL) {
-			dev_err(dev->dev, "Arbitration lost\n");
-			omap_i2c_complete_cmd(dev, OMAP_I2C_STAT_AL);
-		}
 	}
 
 	return count ? IRQ_HANDLED : IRQ_NONE;
@@ -549,13 +766,15 @@
 	.functionality	= omap_i2c_func,
 };
 
-static int
+static int __init
 omap_i2c_probe(struct platform_device *pdev)
 {
 	struct omap_i2c_dev	*dev;
 	struct i2c_adapter	*adap;
 	struct resource		*mem, *irq, *ioarea;
+	irq_handler_t isr;
 	int r;
+	u32 speed = 0;
 
 	/* NOTE: driver uses the static register mapping */
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -576,17 +795,19 @@
 		return -EBUSY;
 	}
 
-	if (clock > 200)
-		clock = 400;	/* Fast mode */
-	else
-		clock = 100;	/* Standard mode */
-
 	dev = kzalloc(sizeof(struct omap_i2c_dev), GFP_KERNEL);
 	if (!dev) {
 		r = -ENOMEM;
 		goto err_release_region;
 	}
 
+	if (pdev->dev.platform_data != NULL)
+		speed = *(u32 *)pdev->dev.platform_data;
+	else
+		speed = 100;	/* Defualt speed */
+
+	dev->speed = speed;
+	dev->idle = 1;
 	dev->dev = &pdev->dev;
 	dev->irq = irq->start;
 	dev->base = ioremap(mem->start, mem->end - mem->start + 1);
@@ -602,22 +823,39 @@
 
 	omap_i2c_unidle(dev);
 
-	if (cpu_is_omap15xx())
-		dev->rev1 = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) < 0x20;
+	dev->rev = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) & 0xff;
+
+	if (cpu_is_omap2430() || cpu_is_omap34xx()) {
+		u16 s;
+
+		/* Set up the fifo size - Get total size */
+		s = (omap_i2c_read_reg(dev, OMAP_I2C_BUFSTAT_REG) >> 14) & 0x3;
+		dev->fifo_size = 0x8 << s;
+
+		/*
+		 * Set up notification threshold as half the total available
+		 * size. This is to ensure that we can handle the status on int
+		 * call back latencies.
+		 */
+		dev->fifo_size = (dev->fifo_size / 2);
+		dev->b_hw = 1; /* Enable hardware fixes */
+	}
 
 	/* reset ASAP, clearing any IRQs */
 	omap_i2c_init(dev);
 
-	r = request_irq(dev->irq, dev->rev1 ? omap_i2c_rev1_isr : omap_i2c_isr,
-			0, pdev->name, dev);
+	isr = (dev->rev < OMAP_I2C_REV_2) ? omap_i2c_rev1_isr : omap_i2c_isr;
+	r = request_irq(dev->irq, isr, 0, pdev->name, dev);
 
 	if (r) {
 		dev_err(dev->dev, "failure requesting irq %i\n", dev->irq);
 		goto err_unuse_clocks;
 	}
-	r = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) & 0xff;
+
 	dev_info(dev->dev, "bus %d rev%d.%d at %d kHz\n",
-		 pdev->id, r >> 4, r & 0xf, clock);
+		 pdev->id, dev->rev >> 4, dev->rev & 0xf, dev->speed);
+
+	omap_i2c_idle(dev);
 
 	adap = &dev->adapter;
 	i2c_set_adapdata(adap, dev);
@@ -635,8 +873,6 @@
 		goto err_free_irq;
 	}
 
-	omap_i2c_idle(dev);
-
 	return 0;
 
 err_free_irq:
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index c39079f..f69f91f 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -35,11 +35,9 @@
 #include <linux/clk.h>
 #include <linux/cpufreq.h>
 
-#include <mach/hardware.h>
 #include <asm/irq.h>
 #include <asm/io.h>
 
-#include <mach/regs-gpio.h>
 #include <plat/regs-iic.h>
 #include <plat/iic.h>
 
@@ -64,6 +62,7 @@
 	unsigned int		msg_ptr;
 
 	unsigned int		tx_setup;
+	unsigned int		irq;
 
 	enum s3c24xx_i2c_state	state;
 	unsigned long		clkrate;
@@ -71,7 +70,6 @@
 	void __iomem		*regs;
 	struct clk		*clk;
 	struct device		*dev;
-	struct resource		*irq;
 	struct resource		*ioarea;
 	struct i2c_adapter	adap;
 
@@ -80,16 +78,7 @@
 #endif
 };
 
-/* default platform data to use if not supplied in the platform_device
-*/
-
-static struct s3c2410_platform_i2c s3c24xx_i2c_default_platform = {
-	.flags		= 0,
-	.slave_addr	= 0x10,
-	.bus_freq	= 100*1000,
-	.max_freq	= 400*1000,
-	.sda_delay	= S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON,
-};
+/* default platform data removed, dev should always carry data. */
 
 /* s3c24xx_i2c_is2440()
  *
@@ -103,21 +92,6 @@
 	return !strcmp(pdev->name, "s3c2440-i2c");
 }
 
-
-/* s3c24xx_i2c_get_platformdata
- *
- * get the platform data associated with the given device, or return
- * the default if there is none
-*/
-
-static inline struct s3c2410_platform_i2c *s3c24xx_i2c_get_platformdata(struct device *dev)
-{
-	if (dev->platform_data != NULL)
-		return (struct s3c2410_platform_i2c *)dev->platform_data;
-
-	return &s3c24xx_i2c_default_platform;
-}
-
 /* s3c24xx_i2c_master_complete
  *
  * complete the message and wake up the caller, using the given return code,
@@ -130,7 +104,7 @@
 
 	i2c->msg_ptr = 0;
 	i2c->msg = NULL;
-	i2c->msg_idx ++;
+	i2c->msg_idx++;
 	i2c->msg_num = 0;
 	if (ret)
 		i2c->msg_idx = ret;
@@ -141,19 +115,17 @@
 static inline void s3c24xx_i2c_disable_ack(struct s3c24xx_i2c *i2c)
 {
 	unsigned long tmp;
-	
+
 	tmp = readl(i2c->regs + S3C2410_IICCON);
 	writel(tmp & ~S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON);
-
 }
 
 static inline void s3c24xx_i2c_enable_ack(struct s3c24xx_i2c *i2c)
 {
 	unsigned long tmp;
-	
+
 	tmp = readl(i2c->regs + S3C2410_IICCON);
 	writel(tmp | S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON);
-
 }
 
 /* irq enable/disable functions */
@@ -161,7 +133,7 @@
 static inline void s3c24xx_i2c_disable_irq(struct s3c24xx_i2c *i2c)
 {
 	unsigned long tmp;
-	
+
 	tmp = readl(i2c->regs + S3C2410_IICCON);
 	writel(tmp & ~S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON);
 }
@@ -169,7 +141,7 @@
 static inline void s3c24xx_i2c_enable_irq(struct s3c24xx_i2c *i2c)
 {
 	unsigned long tmp;
-	
+
 	tmp = readl(i2c->regs + S3C2410_IICCON);
 	writel(tmp | S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON);
 }
@@ -177,10 +149,10 @@
 
 /* s3c24xx_i2c_message_start
  *
- * put the start of a message onto the bus 
+ * put the start of a message onto the bus
 */
 
-static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, 
+static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,
 				      struct i2c_msg *msg)
 {
 	unsigned int addr = (msg->addr & 0x7f) << 1;
@@ -199,15 +171,15 @@
 	if (msg->flags & I2C_M_REV_DIR_ADDR)
 		addr ^= 1;
 
-	// todo - check for wether ack wanted or not
+	/* todo - check for wether ack wanted or not */
 	s3c24xx_i2c_enable_ack(i2c);
 
 	iiccon = readl(i2c->regs + S3C2410_IICCON);
 	writel(stat, i2c->regs + S3C2410_IICSTAT);
-	
+
 	dev_dbg(i2c->dev, "START: %08lx to IICSTAT, %02x to DS\n", stat, addr);
 	writeb(addr, i2c->regs + S3C2410_IICDS);
-	
+
 	/* delay here to ensure the data byte has gotten onto the bus
 	 * before the transaction is started */
 
@@ -215,8 +187,8 @@
 
 	dev_dbg(i2c->dev, "iiccon, %08lx\n", iiccon);
 	writel(iiccon, i2c->regs + S3C2410_IICCON);
-	
-	stat |=  S3C2410_IICSTAT_START;
+
+	stat |= S3C2410_IICSTAT_START;
 	writel(stat, i2c->regs + S3C2410_IICSTAT);
 }
 
@@ -227,11 +199,11 @@
 	dev_dbg(i2c->dev, "STOP\n");
 
 	/* stop the transfer */
-	iicstat &= ~ S3C2410_IICSTAT_START;
+	iicstat &= ~S3C2410_IICSTAT_START;
 	writel(iicstat, i2c->regs + S3C2410_IICSTAT);
-	
+
 	i2c->state = STATE_STOP;
-	
+
 	s3c24xx_i2c_master_complete(i2c, ret);
 	s3c24xx_i2c_disable_irq(i2c);
 }
@@ -241,7 +213,7 @@
 
 /* is_lastmsg()
  *
- * returns TRUE if the current message is the last in the set 
+ * returns TRUE if the current message is the last in the set
 */
 
 static inline int is_lastmsg(struct s3c24xx_i2c *i2c)
@@ -289,14 +261,14 @@
 
 	case STATE_STOP:
 		dev_err(i2c->dev, "%s: called in STATE_STOP\n", __func__);
-		s3c24xx_i2c_disable_irq(i2c);		
+		s3c24xx_i2c_disable_irq(i2c);
 		goto out_ack;
 
 	case STATE_START:
 		/* last thing we did was send a start condition on the
 		 * bus, or started a new i2c message
 		 */
-		
+
 		if (iicstat & S3C2410_IICSTAT_LASTBIT &&
 		    !(i2c->msg->flags & I2C_M_IGNORE_NAK)) {
 			/* ack was not received... */
@@ -322,7 +294,7 @@
 		if (i2c->state == STATE_READ)
 			goto prepare_read;
 
-		/* fall through to the write state, as we will need to 
+		/* fall through to the write state, as we will need to
 		 * send a byte as well */
 
 	case STATE_WRITE:
@@ -339,7 +311,7 @@
 			}
 		}
 
-	retry_write:
+ retry_write:
 
 		if (!is_msgend(i2c)) {
 			byte = i2c->msg->buf[i2c->msg_ptr++];
@@ -359,9 +331,9 @@
 			dev_dbg(i2c->dev, "WRITE: Next Message\n");
 
 			i2c->msg_ptr = 0;
-			i2c->msg_idx ++;
+			i2c->msg_idx++;
 			i2c->msg++;
-			
+
 			/* check to see if we need to do another message */
 			if (i2c->msg->flags & I2C_M_NOSTART) {
 
@@ -375,7 +347,6 @@
 
 				goto retry_write;
 			} else {
-			
 				/* send the new start */
 				s3c24xx_i2c_message_start(i2c, i2c->msg);
 				i2c->state = STATE_START;
@@ -389,7 +360,7 @@
 		break;
 
 	case STATE_READ:
-		/* we have a byte of data in the data register, do 
+		/* we have a byte of data in the data register, do
 		 * something with it, and then work out wether we are
 		 * going to do any more read/write
 		 */
@@ -397,13 +368,13 @@
 		byte = readb(i2c->regs + S3C2410_IICDS);
 		i2c->msg->buf[i2c->msg_ptr++] = byte;
 
-	prepare_read:
+ prepare_read:
 		if (is_msglast(i2c)) {
 			/* last byte of buffer */
 
 			if (is_lastmsg(i2c))
 				s3c24xx_i2c_disable_ack(i2c);
-			
+
 		} else if (is_msgend(i2c)) {
 			/* ok, we've read the entire buffer, see if there
 			 * is anything else we need to do */
@@ -429,7 +400,7 @@
 	/* acknowlegde the IRQ and get back on with the work */
 
  out_ack:
-	tmp = readl(i2c->regs + S3C2410_IICCON);	
+	tmp = readl(i2c->regs + S3C2410_IICCON);
 	tmp &= ~S3C2410_IICCON_IRQPEND;
 	writel(tmp, i2c->regs + S3C2410_IICCON);
  out:
@@ -450,19 +421,19 @@
 	status = readl(i2c->regs + S3C2410_IICSTAT);
 
 	if (status & S3C2410_IICSTAT_ARBITR) {
-		// deal with arbitration loss
+		/* deal with arbitration loss */
 		dev_err(i2c->dev, "deal with arbitration loss\n");
 	}
 
 	if (i2c->state == STATE_IDLE) {
 		dev_dbg(i2c->dev, "IRQ: error i2c->state == IDLE\n");
 
-		tmp = readl(i2c->regs + S3C2410_IICCON);	
+		tmp = readl(i2c->regs + S3C2410_IICCON);
 		tmp &= ~S3C2410_IICCON_IRQPEND;
 		writel(tmp, i2c->regs +  S3C2410_IICCON);
 		goto out;
 	}
-	
+
 	/* pretty much this leaves us with the fact that we've
 	 * transmitted or received whatever byte we last sent */
 
@@ -485,16 +456,13 @@
 
 	while (timeout-- > 0) {
 		iicstat = readl(i2c->regs + S3C2410_IICSTAT);
-		
+
 		if (!(iicstat & S3C2410_IICSTAT_BUSBUSY))
 			return 0;
 
 		msleep(1);
 	}
 
-	dev_dbg(i2c->dev, "timeout: GPEDAT is %08x\n",
-		__raw_readl(S3C2410_GPEDAT));
-
 	return -ETIMEDOUT;
 }
 
@@ -503,7 +471,8 @@
  * this starts an i2c transfer
 */
 
-static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int num)
+static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c,
+			      struct i2c_msg *msgs, int num)
 {
 	unsigned long timeout;
 	int ret;
@@ -529,12 +498,12 @@
 	s3c24xx_i2c_enable_irq(i2c);
 	s3c24xx_i2c_message_start(i2c, msgs);
 	spin_unlock_irq(&i2c->lock);
-	
+
 	timeout = wait_event_timeout(i2c->wait, i2c->msg_num == 0, HZ * 5);
 
 	ret = i2c->msg_idx;
 
-	/* having these next two as dev_err() makes life very 
+	/* having these next two as dev_err() makes life very
 	 * noisy when doing an i2cdetect */
 
 	if (timeout == 0)
@@ -591,19 +560,6 @@
 	.functionality		= s3c24xx_i2c_func,
 };
 
-static struct s3c24xx_i2c s3c24xx_i2c = {
-	.lock		= __SPIN_LOCK_UNLOCKED(s3c24xx_i2c.lock),
-	.wait		= __WAIT_QUEUE_HEAD_INITIALIZER(s3c24xx_i2c.wait),
-	.tx_setup	= 50,
-	.adap		= {
-		.name			= "s3c2410-i2c",
-		.owner			= THIS_MODULE,
-		.algo			= &s3c24xx_i2c_algorithm,
-		.retries		= 2,
-		.class			= I2C_CLASS_HWMON | I2C_CLASS_SPD,
-	},
-};
-
 /* s3c24xx_i2c_calcdivisor
  *
  * return the divisor settings for a given frequency
@@ -643,7 +599,7 @@
 {
 	int diff = freq - wanted;
 
-	return (diff >= -2 && diff <= 2);
+	return diff >= -2 && diff <= 2;
 }
 
 /* s3c24xx_i2c_clockrate
@@ -655,7 +611,7 @@
 
 static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got)
 {
-	struct s3c2410_platform_i2c *pdata;
+	struct s3c2410_platform_i2c *pdata = i2c->dev->platform_data;
 	unsigned long clkin = clk_get_rate(i2c->clk);
 	unsigned int divs, div1;
 	u32 iiccon;
@@ -663,10 +619,8 @@
 	int start, end;
 
 	i2c->clkrate = clkin;
-
-	pdata = s3c24xx_i2c_get_platformdata(i2c->adap.dev.parent);
 	clkin /= 1000;		/* clkin now in KHz */
-     
+
 	dev_dbg(i2c->dev, "pdata %p, freq %lu %lu..%lu\n",
 		 pdata, pdata->bus_freq, pdata->min_freq, pdata->max_freq);
 
@@ -774,7 +728,7 @@
 
 /* s3c24xx_i2c_init
  *
- * initialise the controller, set the IO lines and frequency 
+ * initialise the controller, set the IO lines and frequency
 */
 
 static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c)
@@ -785,15 +739,15 @@
 
 	/* get the plafrom data */
 
-	pdata = s3c24xx_i2c_get_platformdata(i2c->adap.dev.parent);
+	pdata = i2c->dev->platform_data;
 
 	/* inititalise the gpio */
 
-	s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_IICSDA);
-	s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_IICSCL);
+	if (pdata->cfg_gpio)
+		pdata->cfg_gpio(to_platform_device(i2c->dev));
 
 	/* write slave address */
-	
+
 	writeb(pdata->slave_addr, i2c->regs + S3C2410_IICADD);
 
 	dev_info(i2c->dev, "slave address 0x%02x\n", pdata->slave_addr);
@@ -831,12 +785,32 @@
 
 static int s3c24xx_i2c_probe(struct platform_device *pdev)
 {
-	struct s3c24xx_i2c *i2c = &s3c24xx_i2c;
+	struct s3c24xx_i2c *i2c;
 	struct s3c2410_platform_i2c *pdata;
 	struct resource *res;
 	int ret;
 
-	pdata = s3c24xx_i2c_get_platformdata(&pdev->dev);
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&pdev->dev, "no platform data\n");
+		return -EINVAL;
+	}
+
+	i2c = kzalloc(sizeof(struct s3c24xx_i2c), GFP_KERNEL);
+	if (!i2c) {
+		dev_err(&pdev->dev, "no memory for state\n");
+		return -ENOMEM;
+	}
+
+	strlcpy(i2c->adap.name, "s3c2410-i2c", sizeof(i2c->adap.name));
+	i2c->adap.owner   = THIS_MODULE;
+	i2c->adap.algo    = &s3c24xx_i2c_algorithm;
+	i2c->adap.retries = 2;
+	i2c->adap.class   = I2C_CLASS_HWMON | I2C_CLASS_SPD;
+	i2c->tx_setup     = 50;
+
+	spin_lock_init(&i2c->lock);
+	init_waitqueue_head(&i2c->wait);
 
 	/* find the clock and enable it */
 
@@ -878,7 +852,8 @@
 		goto err_ioarea;
 	}
 
-	dev_dbg(&pdev->dev, "registers %p (%p, %p)\n", i2c->regs, i2c->ioarea, res);
+	dev_dbg(&pdev->dev, "registers %p (%p, %p)\n",
+		i2c->regs, i2c->ioarea, res);
 
 	/* setup info block for the i2c core */
 
@@ -892,29 +867,23 @@
 		goto err_iomap;
 
 	/* find the IRQ for this unit (note, this relies on the init call to
-	 * ensure no current IRQs pending 
+	 * ensure no current IRQs pending
 	 */
 
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (res == NULL) {
+	i2c->irq = ret = platform_get_irq(pdev, 0);
+	if (ret <= 0) {
 		dev_err(&pdev->dev, "cannot find IRQ\n");
-		ret = -ENOENT;
 		goto err_iomap;
 	}
 
-	ret = request_irq(res->start, s3c24xx_i2c_irq, IRQF_DISABLED,
-			  pdev->name, i2c);
+	ret = request_irq(i2c->irq, s3c24xx_i2c_irq, IRQF_DISABLED,
+			  dev_name(&pdev->dev), i2c);
 
 	if (ret != 0) {
-		dev_err(&pdev->dev, "cannot claim IRQ\n");
+		dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq);
 		goto err_iomap;
 	}
 
-	i2c->irq = res;
-		
-	dev_dbg(&pdev->dev, "irq resource %p (%lu)\n", res,
-		(unsigned long)res->start);
-
 	ret = s3c24xx_i2c_register_cpufreq(i2c);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to register cpufreq notifier\n");
@@ -944,7 +913,7 @@
 	s3c24xx_i2c_deregister_cpufreq(i2c);
 
  err_irq:
-	free_irq(i2c->irq->start, i2c);
+	free_irq(i2c->irq, i2c);
 
  err_iomap:
 	iounmap(i2c->regs);
@@ -958,6 +927,7 @@
 	clk_put(i2c->clk);
 
  err_noclk:
+	kfree(i2c);
 	return ret;
 }
 
@@ -973,7 +943,7 @@
 	s3c24xx_i2c_deregister_cpufreq(i2c);
 
 	i2c_del_adapter(&i2c->adap);
-	free_irq(i2c->irq->start, i2c);
+	free_irq(i2c->irq, i2c);
 
 	clk_disable(i2c->clk);
 	clk_put(i2c->clk);
@@ -982,6 +952,7 @@
 
 	release_resource(i2c->ioarea);
 	kfree(i2c->ioarea);
+	kfree(i2c);
 
 	return 0;
 }
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 53912c3..8dc2bb7 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -57,9 +57,6 @@
 	}
 
 	inode->i_mode = mode;
-	inode->i_uid = 0;
-	inode->i_gid = 0;
-	inode->i_blocks = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	inode->i_private = data;
 	if ((mode & S_IFMT) == S_IFDIR) {
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
index d5b4cc3..6501202 100644
--- a/drivers/isdn/capi/capidrv.c
+++ b/drivers/isdn/capi/capidrv.c
@@ -1519,7 +1519,7 @@
 		int digit2 = 0;
 		if (!isdigit(*s)) return -3;
 		while (isdigit(*s)) { digit1 = digit1*10 + (*s - '0'); s++; }
-		if (digit1 <= 0 && digit1 > 30) return -4;
+		if (digit1 <= 0 || digit1 > 30) return -4;
 		if (*s == 0 || *s == ',' || *s == ' ') {
 			bmask |= (1 << digit1);
 			digit1 = 0;
@@ -1530,7 +1530,7 @@
 		s++;
 		if (!isdigit(*s)) return -3;
 		while (isdigit(*s)) { digit2 = digit2*10 + (*s - '0'); s++; }
-		if (digit2 <= 0 && digit2 > 30) return -4;
+		if (digit2 <= 0 || digit2 > 30) return -4;
 		if (*s == 0 || *s == ',' || *s == ' ') {
 			if (digit1 > digit2)
 				for (i = digit2; i <= digit1 ; i++)
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index 0aa66ec..b129409 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -111,8 +111,6 @@
 		goto fail;
 	inode->i_ino = 1;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
-	inode->i_blocks = 0;
-	inode->i_uid = inode->i_gid = 0;
 	inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
 	inode->i_op = &simple_dir_inode_operations;
 	inode->i_fop = &simple_dir_operations;
diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c
index 56faef1..06c655c 100644
--- a/drivers/message/i2o/exec-osm.c
+++ b/drivers/message/i2o/exec-osm.c
@@ -19,7 +19,7 @@
  *		Auvo Häkkinen <Auvo.Hakkinen@cs.Helsinki.FI>
  *		Deepak Saxena <deepak@plexity.net>
  *		Boji T Kannanthanam <boji.t.kannanthanam@intel.com>
- *		Alan Cox <alan@redhat.com>:
+ *		Alan Cox <alan@lxorguk.ukuu.org.uk>:
  *			Ported to Linux 2.5.
  *		Markus Lidel <Markus.Lidel@shadowconnect.com>:
  *			Minor fixes for 2.6.
diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c
index f3384c3..efba702 100644
--- a/drivers/message/i2o/i2o_config.c
+++ b/drivers/message/i2o/i2o_config.c
@@ -19,7 +19,7 @@
  *		Changed ioctl_swdl(), implemented ioctl_swul() and ioctl_swdel()
  *	Deepak Saxena (11/18/1999):
  *		Added event managmenet support
- *	Alan Cox <alan@redhat.com>:
+ *	Alan Cox <alan@lxorguk.ukuu.org.uk>:
  *		2.4 rewrite ported to 2.5
  *	Markus Lidel <Markus.Lidel@shadowconnect.com>:
  *		Added pass-thru support for Adaptec's raidutils
diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c
index 6e53a30..35c67d1 100644
--- a/drivers/message/i2o/iop.c
+++ b/drivers/message/i2o/iop.c
@@ -19,7 +19,7 @@
  *		Auvo Häkkinen <Auvo.Hakkinen@cs.Helsinki.FI>
  *		Deepak Saxena <deepak@plexity.net>
  *		Boji T Kannanthanam <boji.t.kannanthanam@intel.com>
- *		Alan Cox <alan@redhat.com>:
+ *		Alan Cox <alan@lxorguk.ukuu.org.uk>:
  *			Ported to Linux 2.5.
  *		Markus Lidel <Markus.Lidel@shadowconnect.com>:
  *			Minor fixes for 2.6.
diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c
index 610ef12..25d6f23 100644
--- a/drivers/message/i2o/pci.c
+++ b/drivers/message/i2o/pci.c
@@ -19,7 +19,7 @@
  *		Auvo Häkkinen <Auvo.Hakkinen@cs.Helsinki.FI>
  *		Deepak Saxena <deepak@plexity.net>
  *		Boji T Kannanthanam <boji.t.kannanthanam@intel.com>
- *		Alan Cox <alan@redhat.com>:
+ *		Alan Cox <alan@lxorguk.ukuu.org.uk>:
  *			Ported to Linux 2.5.
  *		Markus Lidel <Markus.Lidel@shadowconnect.com>:
  *			Minor fixes for 2.6.
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index 22a7e8b..de966a6 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -146,8 +146,6 @@
 
 	if (ret) {
 		ret->i_mode = mode;
-		ret->i_uid = ret->i_gid = 0;
-		ret->i_blocks = 0;
 		ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
 	}
 	return ret;
diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c
index 517fce4..5b396ff 100644
--- a/drivers/net/acenic.c
+++ b/drivers/net/acenic.c
@@ -66,6 +66,7 @@
 #include <linux/mm.h>
 #include <linux/highmem.h>
 #include <linux/sockios.h>
+#include <linux/firmware.h>
 
 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
 #include <linux/if_vlan.h>
@@ -186,8 +187,6 @@
 #define MAX_RODATA_LEN	8*1024
 #define MAX_DATA_LEN	2*1024
 
-#include "acenic_firmware.h"
-
 #ifndef tigon2FwReleaseLocal
 #define tigon2FwReleaseLocal 0
 #endif
@@ -417,6 +416,10 @@
 MODULE_AUTHOR("Jes Sorensen <jes@trained-monkey.org>");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("AceNIC/3C985/GA620 Gigabit Ethernet driver");
+#ifndef CONFIG_ACENIC_OMIT_TIGON_I
+MODULE_FIRMWARE("acenic/tg1.bin");
+#endif
+MODULE_FIRMWARE("acenic/tg2.bin");
 
 module_param_array_named(link, link_state, int, NULL, 0);
 module_param_array(trace, int, NULL, 0);
@@ -943,8 +946,8 @@
 	case 4:
 	case 5:
 		printk(KERN_INFO "  Tigon I  (Rev. %i), Firmware: %i.%i.%i, ",
-		       tig_ver, tigonFwReleaseMajor, tigonFwReleaseMinor,
-		       tigonFwReleaseFix);
+		       tig_ver, ap->firmware_major, ap->firmware_minor,
+		       ap->firmware_fix);
 		writel(0, &regs->LocalCtrl);
 		ap->version = 1;
 		ap->tx_ring_entries = TIGON_I_TX_RING_ENTRIES;
@@ -952,8 +955,8 @@
 #endif
 	case 6:
 		printk(KERN_INFO "  Tigon II (Rev. %i), Firmware: %i.%i.%i, ",
-		       tig_ver, tigon2FwReleaseMajor, tigon2FwReleaseMinor,
-		       tigon2FwReleaseFix);
+		       tig_ver, ap->firmware_major, ap->firmware_minor,
+		       ap->firmware_fix);
 		writel(readl(&regs->CpuBCtrl) | CPU_HALT, &regs->CpuBCtrl);
 		readl(&regs->CpuBCtrl);		/* PCI write posting */
 		/*
@@ -1205,7 +1208,9 @@
 	memset(ap->info, 0, sizeof(struct ace_info));
 	memset(ap->skb, 0, sizeof(struct ace_skb));
 
-	ace_load_firmware(dev);
+	if (ace_load_firmware(dev))
+		goto init_error;
+
 	ap->fw_running = 0;
 
 	tmp_ptr = ap->info_dma;
@@ -1441,10 +1446,7 @@
 	if (ap->version >= 2)
 		writel(tmp, &regs->TuneFastLink);
 
-	if (ACE_IS_TIGON_I(ap))
-		writel(tigonFwStartAddr, &regs->Pc);
-	if (ap->version == 2)
-		writel(tigon2FwStartAddr, &regs->Pc);
+	writel(ap->firmware_start, &regs->Pc);
 
 	writel(0, &regs->Mb0Lo);
 
@@ -2761,8 +2763,8 @@
 
 	strlcpy(info->driver, "acenic", sizeof(info->driver));
 	snprintf(info->version, sizeof(info->version), "%i.%i.%i",
-		tigonFwReleaseMajor, tigonFwReleaseMinor,
-		tigonFwReleaseFix);
+		 ap->firmware_major, ap->firmware_minor,
+		 ap->firmware_fix);
 
 	if (ap->pdev)
 		strlcpy(info->bus_info, pci_name(ap->pdev),
@@ -2869,11 +2871,10 @@
 }
 
 
-static void __devinit ace_copy(struct ace_regs __iomem *regs, void *src,
-			    u32 dest, int size)
+static void __devinit ace_copy(struct ace_regs __iomem *regs, const __be32 *src,
+			       u32 dest, int size)
 {
 	void __iomem *tdest;
-	u32 *wsrc;
 	short tsize, i;
 
 	if (size <= 0)
@@ -2885,20 +2886,15 @@
 		tdest = (void __iomem *) &regs->Window +
 			(dest & (ACE_WINDOW_SIZE - 1));
 		writel(dest & ~(ACE_WINDOW_SIZE - 1), &regs->WinBase);
-		/*
-		 * This requires byte swapping on big endian, however
-		 * writel does that for us
-		 */
-		wsrc = src;
 		for (i = 0; i < (tsize / 4); i++) {
-			writel(wsrc[i], tdest + i*4);
+			/* Firmware is big-endian */
+			writel(be32_to_cpup(src), tdest);
+			src++;
+			tdest += 4;
+			dest += 4;
+			size -= 4;
 		}
-		dest += tsize;
-		src += tsize;
-		size -= tsize;
 	}
-
-	return;
 }
 
 
@@ -2937,8 +2933,13 @@
  */
 static int __devinit ace_load_firmware(struct net_device *dev)
 {
+	const struct firmware *fw;
+	const char *fw_name = "acenic/tg2.bin";
 	struct ace_private *ap = netdev_priv(dev);
 	struct ace_regs __iomem *regs = ap->regs;
+	const __be32 *fw_data;
+	u32 load_addr;
+	int ret;
 
 	if (!(readl(&regs->CpuCtrl) & CPU_HALTED)) {
 		printk(KERN_ERR "%s: trying to download firmware while the "
@@ -2946,28 +2947,52 @@
 		return -EFAULT;
 	}
 
-	/*
-	 * Do not try to clear more than 512KB or we end up seeing
-	 * funny things on NICs with only 512KB SRAM
-	 */
-	ace_clear(regs, 0x2000, 0x80000-0x2000);
-	if (ACE_IS_TIGON_I(ap)) {
-		ace_copy(regs, tigonFwText, tigonFwTextAddr, tigonFwTextLen);
-		ace_copy(regs, tigonFwData, tigonFwDataAddr, tigonFwDataLen);
-		ace_copy(regs, tigonFwRodata, tigonFwRodataAddr,
-			 tigonFwRodataLen);
-		ace_clear(regs, tigonFwBssAddr, tigonFwBssLen);
-		ace_clear(regs, tigonFwSbssAddr, tigonFwSbssLen);
-	}else if (ap->version == 2) {
-		ace_clear(regs, tigon2FwBssAddr, tigon2FwBssLen);
-		ace_clear(regs, tigon2FwSbssAddr, tigon2FwSbssLen);
-		ace_copy(regs, tigon2FwText, tigon2FwTextAddr,tigon2FwTextLen);
-		ace_copy(regs, tigon2FwRodata, tigon2FwRodataAddr,
-			 tigon2FwRodataLen);
-		ace_copy(regs, tigon2FwData, tigon2FwDataAddr,tigon2FwDataLen);
+	if (ACE_IS_TIGON_I(ap))
+		fw_name = "acenic/tg1.bin";
+
+	ret = request_firmware(&fw, fw_name, &ap->pdev->dev);
+	if (ret) {
+		printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
+		       ap->name, fw_name);
+		return ret;
 	}
 
-	return 0;
+	fw_data = (void *)fw->data;
+
+	/* Firmware blob starts with version numbers, followed by
+	   load and start address. Remainder is the blob to be loaded
+	   contiguously from load address. We don't bother to represent
+	   the BSS/SBSS sections any more, since we were clearing the
+	   whole thing anyway. */
+	ap->firmware_major = fw->data[0];
+	ap->firmware_minor = fw->data[1];
+	ap->firmware_fix = fw->data[2];
+
+	ap->firmware_start = be32_to_cpu(fw_data[1]);
+	if (ap->firmware_start < 0x4000 || ap->firmware_start >= 0x80000) {
+		printk(KERN_ERR "%s: bogus load address %08x in \"%s\"\n",
+		       ap->name, ap->firmware_start, fw_name);
+		ret = -EINVAL;
+		goto out;
+	}
+
+	load_addr = be32_to_cpu(fw_data[2]);
+	if (load_addr < 0x4000 || load_addr >= 0x80000) {
+		printk(KERN_ERR "%s: bogus load address %08x in \"%s\"\n",
+		       ap->name, load_addr, fw_name);
+		ret = -EINVAL;
+		goto out;
+	}
+
+	/*
+	 * Do not try to clear more than 512KiB or we end up seeing
+	 * funny things on NICs with only 512KiB SRAM
+	 */
+	ace_clear(regs, 0x2000, 0x80000-0x2000);
+	ace_copy(regs, &fw_data[3], load_addr, fw->size-12);
+ out:
+	release_firmware(fw);
+	return ret;
 }
 
 
diff --git a/drivers/net/acenic.h b/drivers/net/acenic.h
index 4487f327..c987c9b 100644
--- a/drivers/net/acenic.h
+++ b/drivers/net/acenic.h
@@ -694,6 +694,10 @@
 	u32			last_tx, last_std_rx, last_mini_rx;
 #endif
 	int			pci_using_dac;
+	u8			firmware_major;
+	u8			firmware_minor;
+	u8			firmware_fix;
+	u32			firmware_start;
 };
 
 
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 9f38b16..134b2d6 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -658,12 +658,12 @@
 	e100_disable_irq(nic);
 
 	/* Check results of self-test */
-	if(nic->mem->selftest.result != 0) {
+	if (nic->mem->selftest.result != 0) {
 		DPRINTK(HW, ERR, "Self-test failed: result=0x%08X\n",
 			nic->mem->selftest.result);
 		return -ETIMEDOUT;
 	}
-	if(nic->mem->selftest.signature == 0) {
+	if (nic->mem->selftest.signature == 0) {
 		DPRINTK(HW, ERR, "Self-test failed: timed out\n");
 		return -ETIMEDOUT;
 	}
@@ -684,13 +684,13 @@
 	cmd_addr_data[2] = op_ewds << (addr_len - 2);
 
 	/* Bit-bang cmds to write word to eeprom */
-	for(j = 0; j < 3; j++) {
+	for (j = 0; j < 3; j++) {
 
 		/* Chip select */
 		iowrite8(eecs | eesk, &nic->csr->eeprom_ctrl_lo);
 		e100_write_flush(nic); udelay(4);
 
-		for(i = 31; i >= 0; i--) {
+		for (i = 31; i >= 0; i--) {
 			ctrl = (cmd_addr_data[j] & (1 << i)) ?
 				eecs | eedi : eecs;
 			iowrite8(ctrl, &nic->csr->eeprom_ctrl_lo);
@@ -723,7 +723,7 @@
 	e100_write_flush(nic); udelay(4);
 
 	/* Bit-bang to read word from eeprom */
-	for(i = 31; i >= 0; i--) {
+	for (i = 31; i >= 0; i--) {
 		ctrl = (cmd_addr_data & (1 << i)) ? eecs | eedi : eecs;
 		iowrite8(ctrl, &nic->csr->eeprom_ctrl_lo);
 		e100_write_flush(nic); udelay(4);
@@ -734,7 +734,7 @@
 		/* Eeprom drives a dummy zero to EEDO after receiving
 		 * complete address.  Use this to adjust addr_len. */
 		ctrl = ioread8(&nic->csr->eeprom_ctrl_lo);
-		if(!(ctrl & eedo) && i > 16) {
+		if (!(ctrl & eedo) && i > 16) {
 			*addr_len -= (i - 16);
 			i = 17;
 		}
@@ -758,9 +758,9 @@
 	e100_eeprom_read(nic, &addr_len, 0);
 	nic->eeprom_wc = 1 << addr_len;
 
-	for(addr = 0; addr < nic->eeprom_wc; addr++) {
+	for (addr = 0; addr < nic->eeprom_wc; addr++) {
 		nic->eeprom[addr] = e100_eeprom_read(nic, &addr_len, addr);
-		if(addr < nic->eeprom_wc - 1)
+		if (addr < nic->eeprom_wc - 1)
 			checksum += le16_to_cpu(nic->eeprom[addr]);
 	}
 
@@ -784,15 +784,15 @@
 	e100_eeprom_read(nic, &addr_len, 0);
 	nic->eeprom_wc = 1 << addr_len;
 
-	if(start + count >= nic->eeprom_wc)
+	if (start + count >= nic->eeprom_wc)
 		return -EINVAL;
 
-	for(addr = start; addr < start + count; addr++)
+	for (addr = start; addr < start + count; addr++)
 		e100_eeprom_write(nic, addr_len, addr, nic->eeprom[addr]);
 
 	/* The checksum, stored in the last word, is calculated such that
 	 * the sum of words should be 0xBABA */
-	for(addr = 0; addr < nic->eeprom_wc - 1; addr++)
+	for (addr = 0; addr < nic->eeprom_wc - 1; addr++)
 		checksum += le16_to_cpu(nic->eeprom[addr]);
 	nic->eeprom[nic->eeprom_wc - 1] = cpu_to_le16(0xBABA - checksum);
 	e100_eeprom_write(nic, addr_len, nic->eeprom_wc - 1,
@@ -812,19 +812,19 @@
 	spin_lock_irqsave(&nic->cmd_lock, flags);
 
 	/* Previous command is accepted when SCB clears */
-	for(i = 0; i < E100_WAIT_SCB_TIMEOUT; i++) {
-		if(likely(!ioread8(&nic->csr->scb.cmd_lo)))
+	for (i = 0; i < E100_WAIT_SCB_TIMEOUT; i++) {
+		if (likely(!ioread8(&nic->csr->scb.cmd_lo)))
 			break;
 		cpu_relax();
-		if(unlikely(i > E100_WAIT_SCB_FAST))
+		if (unlikely(i > E100_WAIT_SCB_FAST))
 			udelay(5);
 	}
-	if(unlikely(i == E100_WAIT_SCB_TIMEOUT)) {
+	if (unlikely(i == E100_WAIT_SCB_TIMEOUT)) {
 		err = -EAGAIN;
 		goto err_unlock;
 	}
 
-	if(unlikely(cmd != cuc_resume))
+	if (unlikely(cmd != cuc_resume))
 		iowrite32(dma_addr, &nic->csr->scb.gen_ptr);
 	iowrite8(cmd, &nic->csr->scb.cmd_lo);
 
@@ -843,7 +843,7 @@
 
 	spin_lock_irqsave(&nic->cb_lock, flags);
 
-	if(unlikely(!nic->cbs_avail)) {
+	if (unlikely(!nic->cbs_avail)) {
 		err = -ENOMEM;
 		goto err_unlock;
 	}
@@ -853,7 +853,7 @@
 	nic->cbs_avail--;
 	cb->skb = skb;
 
-	if(unlikely(!nic->cbs_avail))
+	if (unlikely(!nic->cbs_avail))
 		err = -ENOSPC;
 
 	cb_prepare(nic, cb, skb);
@@ -864,15 +864,15 @@
 	wmb();
 	cb->prev->command &= cpu_to_le16(~cb_s);
 
-	while(nic->cb_to_send != nic->cb_to_use) {
-		if(unlikely(e100_exec_cmd(nic, nic->cuc_cmd,
+	while (nic->cb_to_send != nic->cb_to_use) {
+		if (unlikely(e100_exec_cmd(nic, nic->cuc_cmd,
 			nic->cb_to_send->dma_addr))) {
 			/* Ok, here's where things get sticky.  It's
 			 * possible that we can't schedule the command
 			 * because the controller is too busy, so
 			 * let's just queue the command and try again
 			 * when another command is scheduled. */
-			if(err == -ENOSPC) {
+			if (err == -ENOSPC) {
 				//request a reset
 				schedule_work(&nic->tx_timeout_task);
 			}
@@ -945,7 +945,7 @@
 
 	/* MAC type is encoded as rev ID; exception: ICH is treated as 82559 */
 	nic->mac = (nic->flags & ich) ? mac_82559_D101M : nic->pdev->revision;
-	if(nic->mac == mac_unknown)
+	if (nic->mac == mac_unknown)
 		nic->mac = mac_82557_D100_A;
 
 	nic->params.rfds = rfds;
@@ -1008,23 +1008,23 @@
 	config->adaptive_ifs = nic->adaptive_ifs;
 	config->loopback = nic->loopback;
 
-	if(nic->mii.force_media && nic->mii.full_duplex)
+	if (nic->mii.force_media && nic->mii.full_duplex)
 		config->full_duplex_force = 0x1;	/* 1=force, 0=auto */
 
-	if(nic->flags & promiscuous || nic->loopback) {
+	if (nic->flags & promiscuous || nic->loopback) {
 		config->rx_save_bad_frames = 0x1;	/* 1=save, 0=discard */
 		config->rx_discard_short_frames = 0x0;	/* 1=discard, 0=save */
 		config->promiscuous_mode = 0x1;		/* 1=on, 0=off */
 	}
 
-	if(nic->flags & multicast_all)
+	if (nic->flags & multicast_all)
 		config->multicast_all = 0x1;		/* 1=accept, 0=no */
 
 	/* disable WoL when up */
-	if(netif_running(nic->netdev) || !(nic->flags & wol_magic))
+	if (netif_running(nic->netdev) || !(nic->flags & wol_magic))
 		config->magic_packet_disable = 0x1;	/* 1=off, 0=on */
 
-	if(nic->mac >= mac_82558_D101_A4) {
+	if (nic->mac >= mac_82558_D101_A4) {
 		config->fc_disable = 0x1;	/* 1=Tx fc off, 0=Tx fc on */
 		config->mwi_enable = 0x1;	/* 1=enable, 0=disable */
 		config->standard_tcb = 0x0;	/* 1=standard, 0=extended */
@@ -1369,21 +1369,21 @@
 	u16 bmcr, stat, id_lo, id_hi, cong;
 
 	/* Discover phy addr by searching addrs in order {1,0,2,..., 31} */
-	for(addr = 0; addr < 32; addr++) {
+	for (addr = 0; addr < 32; addr++) {
 		nic->mii.phy_id = (addr == 0) ? 1 : (addr == 1) ? 0 : addr;
 		bmcr = mdio_read(netdev, nic->mii.phy_id, MII_BMCR);
 		stat = mdio_read(netdev, nic->mii.phy_id, MII_BMSR);
 		stat = mdio_read(netdev, nic->mii.phy_id, MII_BMSR);
-		if(!((bmcr == 0xFFFF) || ((stat == 0) && (bmcr == 0))))
+		if (!((bmcr == 0xFFFF) || ((stat == 0) && (bmcr == 0))))
 			break;
 	}
 	DPRINTK(HW, DEBUG, "phy_addr = %d\n", nic->mii.phy_id);
-	if(addr == 32)
+	if (addr == 32)
 		return -EAGAIN;
 
 	/* Selected the phy and isolate the rest */
-	for(addr = 0; addr < 32; addr++) {
-		if(addr != nic->mii.phy_id) {
+	for (addr = 0; addr < 32; addr++) {
+		if (addr != nic->mii.phy_id) {
 			mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE);
 		} else {
 			bmcr = mdio_read(netdev, addr, MII_BMCR);
@@ -1400,7 +1400,7 @@
 
 	/* Handle National tx phys */
 #define NCS_PHY_MODEL_MASK	0xFFF0FFFF
-	if((nic->phy & NCS_PHY_MODEL_MASK) == phy_nsc_tx) {
+	if ((nic->phy & NCS_PHY_MODEL_MASK) == phy_nsc_tx) {
 		/* Disable congestion control */
 		cong = mdio_read(netdev, nic->mii.phy_id, MII_NSC_CONG);
 		cong |= NSC_CONG_TXREADY;
@@ -1408,7 +1408,7 @@
 		mdio_write(netdev, nic->mii.phy_id, MII_NSC_CONG, cong);
 	}
 
-	if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
+	if ((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
 	   (mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000) &&
 		!(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) {
 		/* enable/disable MDI/MDI-X auto-switching. */
@@ -1426,25 +1426,25 @@
 	e100_hw_reset(nic);
 
 	DPRINTK(HW, ERR, "e100_hw_init\n");
-	if(!in_interrupt() && (err = e100_self_test(nic)))
+	if (!in_interrupt() && (err = e100_self_test(nic)))
 		return err;
 
-	if((err = e100_phy_init(nic)))
+	if ((err = e100_phy_init(nic)))
 		return err;
-	if((err = e100_exec_cmd(nic, cuc_load_base, 0)))
+	if ((err = e100_exec_cmd(nic, cuc_load_base, 0)))
 		return err;
-	if((err = e100_exec_cmd(nic, ruc_load_base, 0)))
+	if ((err = e100_exec_cmd(nic, ruc_load_base, 0)))
 		return err;
 	if ((err = e100_exec_cb_wait(nic, NULL, e100_setup_ucode)))
 		return err;
-	if((err = e100_exec_cb(nic, NULL, e100_configure)))
+	if ((err = e100_exec_cb(nic, NULL, e100_configure)))
 		return err;
-	if((err = e100_exec_cb(nic, NULL, e100_setup_iaaddr)))
+	if ((err = e100_exec_cb(nic, NULL, e100_setup_iaaddr)))
 		return err;
-	if((err = e100_exec_cmd(nic, cuc_dump_addr,
+	if ((err = e100_exec_cmd(nic, cuc_dump_addr,
 		nic->dma_addr + offsetof(struct mem, stats))))
 		return err;
-	if((err = e100_exec_cmd(nic, cuc_dump_reset, 0)))
+	if ((err = e100_exec_cmd(nic, cuc_dump_reset, 0)))
 		return err;
 
 	e100_disable_irq(nic);
@@ -1460,7 +1460,7 @@
 
 	cb->command = cpu_to_le16(cb_multi);
 	cb->u.multi.count = cpu_to_le16(count * ETH_ALEN);
-	for(i = 0; list && i < count; i++, list = list->next)
+	for (i = 0; list && i < count; i++, list = list->next)
 		memcpy(&cb->u.multi.addr[i*ETH_ALEN], &list->dmi_addr,
 			ETH_ALEN);
 }
@@ -1472,12 +1472,12 @@
 	DPRINTK(HW, DEBUG, "mc_count=%d, flags=0x%04X\n",
 		netdev->mc_count, netdev->flags);
 
-	if(netdev->flags & IFF_PROMISC)
+	if (netdev->flags & IFF_PROMISC)
 		nic->flags |= promiscuous;
 	else
 		nic->flags &= ~promiscuous;
 
-	if(netdev->flags & IFF_ALLMULTI ||
+	if (netdev->flags & IFF_ALLMULTI ||
 		netdev->mc_count > E100_MAX_MULTICAST_ADDRS)
 		nic->flags |= multicast_all;
 	else
@@ -1500,7 +1500,7 @@
 	 * complete, so we're always waiting for results of the
 	 * previous command. */
 
-	if(*complete == cpu_to_le32(cuc_dump_reset_complete)) {
+	if (*complete == cpu_to_le32(cuc_dump_reset_complete)) {
 		*complete = 0;
 		nic->tx_frames = le32_to_cpu(s->tx_good_frames);
 		nic->tx_collisions = le32_to_cpu(s->tx_total_collisions);
@@ -1527,12 +1527,12 @@
 			le32_to_cpu(s->tx_single_collisions);
 		nic->tx_multiple_collisions +=
 			le32_to_cpu(s->tx_multiple_collisions);
-		if(nic->mac >= mac_82558_D101_A4) {
+		if (nic->mac >= mac_82558_D101_A4) {
 			nic->tx_fc_pause += le32_to_cpu(s->fc_xmt_pause);
 			nic->rx_fc_pause += le32_to_cpu(s->fc_rcv_pause);
 			nic->rx_fc_unsupported +=
 				le32_to_cpu(s->fc_rcv_unsupported);
-			if(nic->mac >= mac_82559_D101M) {
+			if (nic->mac >= mac_82559_D101M) {
 				nic->tx_tco_frames +=
 					le16_to_cpu(s->xmt_tco_frames);
 				nic->rx_tco_frames +=
@@ -1542,7 +1542,7 @@
 	}
 
 
-	if(e100_exec_cmd(nic, cuc_dump_reset, 0))
+	if (e100_exec_cmd(nic, cuc_dump_reset, 0))
 		DPRINTK(TX_ERR, DEBUG, "exec cuc_dump_reset failed\n");
 }
 
@@ -1551,19 +1551,19 @@
 	/* Adjust inter-frame-spacing (IFS) between two transmits if
 	 * we're getting collisions on a half-duplex connection. */
 
-	if(duplex == DUPLEX_HALF) {
+	if (duplex == DUPLEX_HALF) {
 		u32 prev = nic->adaptive_ifs;
 		u32 min_frames = (speed == SPEED_100) ? 1000 : 100;
 
-		if((nic->tx_frames / 32 < nic->tx_collisions) &&
+		if ((nic->tx_frames / 32 < nic->tx_collisions) &&
 		   (nic->tx_frames > min_frames)) {
-			if(nic->adaptive_ifs < 60)
+			if (nic->adaptive_ifs < 60)
 				nic->adaptive_ifs += 5;
 		} else if (nic->tx_frames < min_frames) {
-			if(nic->adaptive_ifs >= 5)
+			if (nic->adaptive_ifs >= 5)
 				nic->adaptive_ifs -= 5;
 		}
-		if(nic->adaptive_ifs != prev)
+		if (nic->adaptive_ifs != prev)
 			e100_exec_cb(nic, NULL, e100_configure);
 	}
 }
@@ -1579,12 +1579,12 @@
 
 	mii_ethtool_gset(&nic->mii, &cmd);
 
-	if(mii_link_ok(&nic->mii) && !netif_carrier_ok(nic->netdev)) {
+	if (mii_link_ok(&nic->mii) && !netif_carrier_ok(nic->netdev)) {
 		printk(KERN_INFO "e100: %s NIC Link is Up %s Mbps %s Duplex\n",
 		       nic->netdev->name,
 		       cmd.speed == SPEED_100 ? "100" : "10",
 		       cmd.duplex == DUPLEX_FULL ? "Full" : "Half");
-	} else if(!mii_link_ok(&nic->mii) && netif_carrier_ok(nic->netdev)) {
+	} else if (!mii_link_ok(&nic->mii) && netif_carrier_ok(nic->netdev)) {
 		printk(KERN_INFO "e100: %s NIC Link is Down\n",
 		       nic->netdev->name);
 	}
@@ -1604,11 +1604,11 @@
 	e100_update_stats(nic);
 	e100_adjust_adaptive_ifs(nic, cmd.speed, cmd.duplex);
 
-	if(nic->mac <= mac_82557_D100_C)
+	if (nic->mac <= mac_82557_D100_C)
 		/* Issue a multicast command to workaround a 557 lock up */
 		e100_set_multicast_list(nic->netdev);
 
-	if(nic->flags & ich && cmd.speed==SPEED_10 && cmd.duplex==DUPLEX_HALF)
+	if (nic->flags & ich && cmd.speed==SPEED_10 && cmd.duplex==DUPLEX_HALF)
 		/* Need SW workaround for ICH[x] 10Mbps/half duplex Tx hang. */
 		nic->flags |= ich_10h_workaround;
 	else
@@ -1623,7 +1623,7 @@
 {
 	cb->command = nic->tx_command;
 	/* interrupt every 16 packets regardless of delay */
-	if((nic->cbs_avail & ~15) == nic->cbs_avail)
+	if ((nic->cbs_avail & ~15) == nic->cbs_avail)
 		cb->command |= cpu_to_le16(cb_i);
 	cb->u.tcb.tbd_array = cb->dma_addr + offsetof(struct cb, u.tcb.tbd);
 	cb->u.tcb.tcb_byte_count = 0;
@@ -1640,18 +1640,18 @@
 	struct nic *nic = netdev_priv(netdev);
 	int err;
 
-	if(nic->flags & ich_10h_workaround) {
+	if (nic->flags & ich_10h_workaround) {
 		/* SW workaround for ICH[x] 10Mbps/half duplex Tx hang.
 		   Issue a NOP command followed by a 1us delay before
 		   issuing the Tx command. */
-		if(e100_exec_cmd(nic, cuc_nop, 0))
+		if (e100_exec_cmd(nic, cuc_nop, 0))
 			DPRINTK(TX_ERR, DEBUG, "exec cuc_nop failed\n");
 		udelay(1);
 	}
 
 	err = e100_exec_cb(nic, skb, e100_xmit_prepare);
 
-	switch(err) {
+	switch (err) {
 	case -ENOSPC:
 		/* We queued the skb, but now we're out of space. */
 		DPRINTK(TX_ERR, DEBUG, "No space for CB\n");
@@ -1677,14 +1677,14 @@
 	spin_lock(&nic->cb_lock);
 
 	/* Clean CBs marked complete */
-	for(cb = nic->cb_to_clean;
+	for (cb = nic->cb_to_clean;
 	    cb->status & cpu_to_le16(cb_complete);
 	    cb = nic->cb_to_clean = cb->next) {
 		DPRINTK(TX_DONE, DEBUG, "cb[%d]->status = 0x%04X\n",
 		        (int)(((void*)cb - (void*)nic->cbs)/sizeof(struct cb)),
 		        cb->status);
 
-		if(likely(cb->skb != NULL)) {
+		if (likely(cb->skb != NULL)) {
 			dev->stats.tx_packets++;
 			dev->stats.tx_bytes += cb->skb->len;
 
@@ -1703,7 +1703,7 @@
 	spin_unlock(&nic->cb_lock);
 
 	/* Recover from running out of Tx resources in xmit_frame */
-	if(unlikely(tx_cleaned && netif_queue_stopped(nic->netdev)))
+	if (unlikely(tx_cleaned && netif_queue_stopped(nic->netdev)))
 		netif_wake_queue(nic->netdev);
 
 	return tx_cleaned;
@@ -1711,10 +1711,10 @@
 
 static void e100_clean_cbs(struct nic *nic)
 {
-	if(nic->cbs) {
-		while(nic->cbs_avail != nic->params.cbs.count) {
+	if (nic->cbs) {
+		while (nic->cbs_avail != nic->params.cbs.count) {
 			struct cb *cb = nic->cb_to_clean;
-			if(cb->skb) {
+			if (cb->skb) {
 				pci_unmap_single(nic->pdev,
 					le32_to_cpu(cb->u.tcb.tbd.buf_addr),
 					le16_to_cpu(cb->u.tcb.tbd.size),
@@ -1746,10 +1746,10 @@
 
 	nic->cbs = pci_alloc_consistent(nic->pdev,
 		sizeof(struct cb) * count, &nic->cbs_dma_addr);
-	if(!nic->cbs)
+	if (!nic->cbs)
 		return -ENOMEM;
 
-	for(cb = nic->cbs, i = 0; i < count; cb++, i++) {
+	for (cb = nic->cbs, i = 0; i < count; cb++, i++) {
 		cb->next = (i + 1 < count) ? cb + 1 : nic->cbs;
 		cb->prev = (i == 0) ? nic->cbs + count - 1 : cb - 1;
 
@@ -1767,14 +1767,14 @@
 
 static inline void e100_start_receiver(struct nic *nic, struct rx *rx)
 {
-	if(!nic->rxs) return;
-	if(RU_SUSPENDED != nic->ru_running) return;
+	if (!nic->rxs) return;
+	if (RU_SUSPENDED != nic->ru_running) return;
 
 	/* handle init time starts */
-	if(!rx) rx = nic->rxs;
+	if (!rx) rx = nic->rxs;
 
 	/* (Re)start RU if suspended or idle and RFA is non-NULL */
-	if(rx->skb) {
+	if (rx->skb) {
 		e100_exec_cmd(nic, ruc_start, rx->dma_addr);
 		nic->ru_running = RU_RUNNING;
 	}
@@ -1783,7 +1783,7 @@
 #define RFD_BUF_LEN (sizeof(struct rfd) + VLAN_ETH_FRAME_LEN)
 static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx)
 {
-	if(!(rx->skb = netdev_alloc_skb(nic->netdev, RFD_BUF_LEN + NET_IP_ALIGN)))
+	if (!(rx->skb = netdev_alloc_skb(nic->netdev, RFD_BUF_LEN + NET_IP_ALIGN)))
 		return -ENOMEM;
 
 	/* Align, init, and map the RFD. */
@@ -1820,7 +1820,7 @@
 	struct rfd *rfd = (struct rfd *)skb->data;
 	u16 rfd_status, actual_size;
 
-	if(unlikely(work_done && *work_done >= work_to_do))
+	if (unlikely(work_done && *work_done >= work_to_do))
 		return -EAGAIN;
 
 	/* Need to sync before taking a peek at cb_complete bit */
@@ -1847,7 +1847,7 @@
 
 	/* Get actual data size */
 	actual_size = le16_to_cpu(rfd->actual_size) & 0x3FFF;
-	if(unlikely(actual_size > RFD_BUF_LEN - sizeof(struct rfd)))
+	if (unlikely(actual_size > RFD_BUF_LEN - sizeof(struct rfd)))
 		actual_size = RFD_BUF_LEN - sizeof(struct rfd);
 
 	/* Get data */
@@ -1872,10 +1872,10 @@
 	skb_put(skb, actual_size);
 	skb->protocol = eth_type_trans(skb, nic->netdev);
 
-	if(unlikely(!(rfd_status & cb_ok))) {
+	if (unlikely(!(rfd_status & cb_ok))) {
 		/* Don't indicate if hardware indicates errors */
 		dev_kfree_skb_any(skb);
-	} else if(actual_size > ETH_DATA_LEN + VLAN_ETH_HLEN) {
+	} else if (actual_size > ETH_DATA_LEN + VLAN_ETH_HLEN) {
 		/* Don't indicate oversized frames */
 		nic->rx_over_length_errors++;
 		dev_kfree_skb_any(skb);
@@ -1883,7 +1883,7 @@
 		dev->stats.rx_packets++;
 		dev->stats.rx_bytes += actual_size;
 		netif_receive_skb(skb);
-		if(work_done)
+		if (work_done)
 			(*work_done)++;
 	}
 
@@ -1901,7 +1901,7 @@
 	struct rfd *old_before_last_rfd, *new_before_last_rfd;
 
 	/* Indicate newly arrived packets */
-	for(rx = nic->rx_to_clean; rx->skb; rx = nic->rx_to_clean = rx->next) {
+	for (rx = nic->rx_to_clean; rx->skb; rx = nic->rx_to_clean = rx->next) {
 		err = e100_rx_indicate(nic, rx, work_done, work_to_do);
 		/* Hit quota or no more to clean */
 		if (-EAGAIN == err || -ENODATA == err)
@@ -1922,8 +1922,8 @@
 	old_before_last_rfd = (struct rfd *)old_before_last_rx->skb->data;
 
 	/* Alloc new skbs to refill list */
-	for(rx = nic->rx_to_use; !rx->skb; rx = nic->rx_to_use = rx->next) {
-		if(unlikely(e100_rx_alloc_skb(nic, rx)))
+	for (rx = nic->rx_to_use; !rx->skb; rx = nic->rx_to_use = rx->next) {
+		if (unlikely(e100_rx_alloc_skb(nic, rx)))
 			break; /* Better luck next time (see watchdog) */
 	}
 
@@ -1959,11 +1959,11 @@
 			PCI_DMA_BIDIRECTIONAL);
 	}
 
-	if(restart_required) {
+	if (restart_required) {
 		// ack the rnr?
 		iowrite8(stat_ack_rnr, &nic->csr->scb.stat_ack);
 		e100_start_receiver(nic, nic->rx_to_clean);
-		if(work_done)
+		if (work_done)
 			(*work_done)++;
 	}
 }
@@ -1975,9 +1975,9 @@
 
 	nic->ru_running = RU_UNINITIALIZED;
 
-	if(nic->rxs) {
-		for(rx = nic->rxs, i = 0; i < count; rx++, i++) {
-			if(rx->skb) {
+	if (nic->rxs) {
+		for (rx = nic->rxs, i = 0; i < count; rx++, i++) {
+			if (rx->skb) {
 				pci_unmap_single(nic->pdev, rx->dma_addr,
 					RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);
 				dev_kfree_skb(rx->skb);
@@ -1999,13 +1999,13 @@
 	nic->rx_to_use = nic->rx_to_clean = NULL;
 	nic->ru_running = RU_UNINITIALIZED;
 
-	if(!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC)))
+	if (!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC)))
 		return -ENOMEM;
 
-	for(rx = nic->rxs, i = 0; i < count; rx++, i++) {
+	for (rx = nic->rxs, i = 0; i < count; rx++, i++) {
 		rx->next = (i + 1 < count) ? rx + 1 : nic->rxs;
 		rx->prev = (i == 0) ? nic->rxs + count - 1 : rx - 1;
-		if(e100_rx_alloc_skb(nic, rx)) {
+		if (e100_rx_alloc_skb(nic, rx)) {
 			e100_rx_clean_list(nic);
 			return -ENOMEM;
 		}
@@ -2038,7 +2038,7 @@
 
 	DPRINTK(INTR, DEBUG, "stat_ack = 0x%02X\n", stat_ack);
 
-	if(stat_ack == stat_ack_not_ours ||	/* Not our interrupt */
+	if (stat_ack == stat_ack_not_ours ||	/* Not our interrupt */
 	   stat_ack == stat_ack_not_present)	/* Hardware is ejected */
 		return IRQ_NONE;
 
@@ -2046,10 +2046,10 @@
 	iowrite8(stat_ack, &nic->csr->scb.stat_ack);
 
 	/* We hit Receive No Resource (RNR); restart RU after cleaning */
-	if(stat_ack & stat_ack_rnr)
+	if (stat_ack & stat_ack_rnr)
 		nic->ru_running = RU_SUSPENDED;
 
-	if(likely(netif_rx_schedule_prep(&nic->napi))) {
+	if (likely(netif_rx_schedule_prep(&nic->napi))) {
 		e100_disable_irq(nic);
 		__netif_rx_schedule(&nic->napi);
 	}
@@ -2102,7 +2102,7 @@
 
 static int e100_change_mtu(struct net_device *netdev, int new_mtu)
 {
-	if(new_mtu < ETH_ZLEN || new_mtu > ETH_DATA_LEN)
+	if (new_mtu < ETH_ZLEN || new_mtu > ETH_DATA_LEN)
 		return -EINVAL;
 	netdev->mtu = new_mtu;
 	return 0;
@@ -2121,16 +2121,16 @@
 {
 	int err;
 
-	if((err = e100_rx_alloc_list(nic)))
+	if ((err = e100_rx_alloc_list(nic)))
 		return err;
-	if((err = e100_alloc_cbs(nic)))
+	if ((err = e100_alloc_cbs(nic)))
 		goto err_rx_clean_list;
-	if((err = e100_hw_init(nic)))
+	if ((err = e100_hw_init(nic)))
 		goto err_clean_cbs;
 	e100_set_multicast_list(nic->netdev);
 	e100_start_receiver(nic, NULL);
 	mod_timer(&nic->watchdog, jiffies);
-	if((err = request_irq(nic->pdev->irq, e100_intr, IRQF_SHARED,
+	if ((err = request_irq(nic->pdev->irq, e100_intr, IRQF_SHARED,
 		nic->netdev->name, nic->netdev)))
 		goto err_no_irq;
 	netif_wake_queue(nic->netdev);
@@ -2192,26 +2192,26 @@
 	 * in loopback mode, and the test passes if the received
 	 * packet compares byte-for-byte to the transmitted packet. */
 
-	if((err = e100_rx_alloc_list(nic)))
+	if ((err = e100_rx_alloc_list(nic)))
 		return err;
-	if((err = e100_alloc_cbs(nic)))
+	if ((err = e100_alloc_cbs(nic)))
 		goto err_clean_rx;
 
 	/* ICH PHY loopback is broken so do MAC loopback instead */
-	if(nic->flags & ich && loopback_mode == lb_phy)
+	if (nic->flags & ich && loopback_mode == lb_phy)
 		loopback_mode = lb_mac;
 
 	nic->loopback = loopback_mode;
-	if((err = e100_hw_init(nic)))
+	if ((err = e100_hw_init(nic)))
 		goto err_loopback_none;
 
-	if(loopback_mode == lb_phy)
+	if (loopback_mode == lb_phy)
 		mdio_write(nic->netdev, nic->mii.phy_id, MII_BMCR,
 			BMCR_LOOPBACK);
 
 	e100_start_receiver(nic, NULL);
 
-	if(!(skb = netdev_alloc_skb(nic->netdev, ETH_DATA_LEN))) {
+	if (!(skb = netdev_alloc_skb(nic->netdev, ETH_DATA_LEN))) {
 		err = -ENOMEM;
 		goto err_loopback_none;
 	}
@@ -2224,7 +2224,7 @@
 	pci_dma_sync_single_for_cpu(nic->pdev, nic->rx_to_clean->dma_addr,
 			RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);
 
-	if(memcmp(nic->rx_to_clean->skb->data + sizeof(struct rfd),
+	if (memcmp(nic->rx_to_clean->skb->data + sizeof(struct rfd),
 	   skb->data, ETH_DATA_LEN))
 		err = -EAGAIN;
 
@@ -2301,7 +2301,7 @@
 	buff[0] = ioread8(&nic->csr->scb.cmd_hi) << 24 |
 		ioread8(&nic->csr->scb.cmd_lo) << 16 |
 		ioread16(&nic->csr->scb.status);
-	for(i = E100_PHY_REGS; i >= 0; i--)
+	for (i = E100_PHY_REGS; i >= 0; i--)
 		buff[1 + E100_PHY_REGS - i] =
 			mdio_read(netdev, nic->mii.phy_id, i);
 	memset(nic->mem->dump_buf, 0, sizeof(nic->mem->dump_buf));
@@ -2326,7 +2326,7 @@
 	    !device_can_wakeup(&nic->pdev->dev))
 		return -EOPNOTSUPP;
 
-	if(wol->wolopts)
+	if (wol->wolopts)
 		nic->flags |= wol_magic;
 	else
 		nic->flags &= ~wol_magic;
@@ -2385,7 +2385,7 @@
 {
 	struct nic *nic = netdev_priv(netdev);
 
-	if(eeprom->magic != E100_EEPROM_MAGIC)
+	if (eeprom->magic != E100_EEPROM_MAGIC)
 		return -EINVAL;
 
 	memcpy(&((u8 *)nic->eeprom)[eeprom->offset], bytes, eeprom->len);
@@ -2421,7 +2421,7 @@
 	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 		return -EINVAL;
 
-	if(netif_running(netdev))
+	if (netif_running(netdev))
 		e100_down(nic);
 	rfds->count = max(ring->rx_pending, rfds->min);
 	rfds->count = min(rfds->count, rfds->max);
@@ -2429,7 +2429,7 @@
 	cbs->count = min(cbs->count, cbs->max);
 	DPRINTK(DRV, INFO, "Ring Param settings: rx: %d, tx %d\n",
 	        rfds->count, cbs->count);
-	if(netif_running(netdev))
+	if (netif_running(netdev))
 		e100_up(nic);
 
 	return 0;
@@ -2454,12 +2454,12 @@
 	memset(data, 0, E100_TEST_LEN * sizeof(u64));
 	data[0] = !mii_link_ok(&nic->mii);
 	data[1] = e100_eeprom_load(nic);
-	if(test->flags & ETH_TEST_FL_OFFLINE) {
+	if (test->flags & ETH_TEST_FL_OFFLINE) {
 
 		/* save speed, duplex & autoneg settings */
 		err = mii_ethtool_gset(&nic->mii, &cmd);
 
-		if(netif_running(netdev))
+		if (netif_running(netdev))
 			e100_down(nic);
 		data[2] = e100_self_test(nic);
 		data[3] = e100_loopback_test(nic, lb_mac);
@@ -2468,10 +2468,10 @@
 		/* restore speed, duplex & autoneg settings */
 		err = mii_ethtool_sset(&nic->mii, &cmd);
 
-		if(netif_running(netdev))
+		if (netif_running(netdev))
 			e100_up(nic);
 	}
-	for(i = 0; i < E100_TEST_LEN; i++)
+	for (i = 0; i < E100_TEST_LEN; i++)
 		test->flags |= data[i] ? ETH_TEST_FL_FAILED : 0;
 
 	msleep_interruptible(4 * 1000);
@@ -2481,7 +2481,7 @@
 {
 	struct nic *nic = netdev_priv(netdev);
 
-	if(!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
+	if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
 		data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
 	mod_timer(&nic->blink_timer, jiffies);
 	msleep_interruptible(data * 1000);
@@ -2524,7 +2524,7 @@
 	struct nic *nic = netdev_priv(netdev);
 	int i;
 
-	for(i = 0; i < E100_NET_STATS_LEN; i++)
+	for (i = 0; i < E100_NET_STATS_LEN; i++)
 		data[i] = ((unsigned long *)&netdev->stats)[i];
 
 	data[i++] = nic->tx_deferred;
@@ -2539,7 +2539,7 @@
 
 static void e100_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 {
-	switch(stringset) {
+	switch (stringset) {
 	case ETH_SS_TEST:
 		memcpy(data, *e100_gstrings_test, sizeof(e100_gstrings_test));
 		break;
@@ -2589,7 +2589,7 @@
 
 static void e100_free(struct nic *nic)
 {
-	if(nic->mem) {
+	if (nic->mem) {
 		pci_free_consistent(nic->pdev, sizeof(struct mem),
 			nic->mem, nic->dma_addr);
 		nic->mem = NULL;
@@ -2602,7 +2602,7 @@
 	int err = 0;
 
 	netif_carrier_off(netdev);
-	if((err = e100_up(nic)))
+	if ((err = e100_up(nic)))
 		DPRINTK(IFUP, ERR, "Cannot open interface, aborting.\n");
 	return err;
 }
@@ -2635,8 +2635,8 @@
 	struct nic *nic;
 	int err;
 
-	if(!(netdev = alloc_etherdev(sizeof(struct nic)))) {
-		if(((1 << debug) - 1) & NETIF_MSG_PROBE)
+	if (!(netdev = alloc_etherdev(sizeof(struct nic)))) {
+		if (((1 << debug) - 1) & NETIF_MSG_PROBE)
 			printk(KERN_ERR PFX "Etherdev alloc failed, abort.\n");
 		return -ENOMEM;
 	}
@@ -2653,24 +2653,24 @@
 	nic->msg_enable = (1 << debug) - 1;
 	pci_set_drvdata(pdev, netdev);
 
-	if((err = pci_enable_device(pdev))) {
+	if ((err = pci_enable_device(pdev))) {
 		DPRINTK(PROBE, ERR, "Cannot enable PCI device, aborting.\n");
 		goto err_out_free_dev;
 	}
 
-	if(!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
 		DPRINTK(PROBE, ERR, "Cannot find proper PCI device "
 			"base address, aborting.\n");
 		err = -ENODEV;
 		goto err_out_disable_pdev;
 	}
 
-	if((err = pci_request_regions(pdev, DRV_NAME))) {
+	if ((err = pci_request_regions(pdev, DRV_NAME))) {
 		DPRINTK(PROBE, ERR, "Cannot obtain PCI resources, aborting.\n");
 		goto err_out_disable_pdev;
 	}
 
-	if((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
+	if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
 		DPRINTK(PROBE, ERR, "No usable DMA configuration, aborting.\n");
 		goto err_out_free_res;
 	}
@@ -2681,13 +2681,13 @@
 		DPRINTK(PROBE, INFO, "using i/o access mode\n");
 
 	nic->csr = pci_iomap(pdev, (use_io ? 1 : 0), sizeof(struct csr));
-	if(!nic->csr) {
+	if (!nic->csr) {
 		DPRINTK(PROBE, ERR, "Cannot map device registers, aborting.\n");
 		err = -ENOMEM;
 		goto err_out_free_res;
 	}
 
-	if(ent->driver_data)
+	if (ent->driver_data)
 		nic->flags |= ich;
 	else
 		nic->flags &= ~ich;
@@ -2715,12 +2715,12 @@
 
 	INIT_WORK(&nic->tx_timeout_task, e100_tx_timeout_task);
 
-	if((err = e100_alloc(nic))) {
+	if ((err = e100_alloc(nic))) {
 		DPRINTK(PROBE, ERR, "Cannot alloc driver memory, aborting.\n");
 		goto err_out_iounmap;
 	}
 
-	if((err = e100_eeprom_load(nic)))
+	if ((err = e100_eeprom_load(nic)))
 		goto err_out_free;
 
 	e100_phy_init(nic);
@@ -2740,7 +2740,7 @@
 	}
 
 	/* Wol magic packet can be enabled from eeprom */
-	if((nic->mac >= mac_82558_D101_A4) &&
+	if ((nic->mac >= mac_82558_D101_A4) &&
 	   (nic->eeprom[eeprom_id] & eeprom_id_wol)) {
 		nic->flags |= wol_magic;
 		device_set_wakeup_enable(&pdev->dev, true);
@@ -2750,7 +2750,7 @@
 	pci_pme_active(pdev, false);
 
 	strcpy(netdev->name, "eth%d");
-	if((err = register_netdev(netdev))) {
+	if ((err = register_netdev(netdev))) {
 		DPRINTK(PROBE, ERR, "Cannot register net device, aborting.\n");
 		goto err_out_free;
 	}
@@ -2779,7 +2779,7 @@
 {
 	struct net_device *netdev = pci_get_drvdata(pdev);
 
-	if(netdev) {
+	if (netdev) {
 		struct nic *nic = netdev_priv(netdev);
 		unregister_netdev(netdev);
 		e100_free(nic);
@@ -2932,7 +2932,7 @@
 
 static int __init e100_init_module(void)
 {
-	if(((1 << debug) - 1) & NETIF_MSG_DRV) {
+	if (((1 << debug) - 1) & NETIF_MSG_DRV) {
 		printk(KERN_INFO PFX "%s, %s\n", DRV_DESCRIPTION, DRV_VERSION);
 		printk(KERN_INFO PFX "%s\n", DRV_COPYRIGHT);
 	}
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
index 9930d5f..6271b94 100644
--- a/drivers/net/ehea/ehea.h
+++ b/drivers/net/ehea/ehea.h
@@ -478,7 +478,7 @@
 	int num_add_tx_qps;
 	int num_mcs;
 	int resets;
-	u64 flags;
+	unsigned long flags;
 	u64 mac_addr;
 	u32 logical_port_id;
 	u32 port_speed;
@@ -510,7 +510,6 @@
 int ehea_sense_port_attr(struct ehea_port *port);
 int ehea_set_portspeed(struct ehea_port *port, u32 port_speed);
 
-extern u64 ehea_driver_flags;
 extern struct work_struct ehea_rereg_mr_task;
 
 #endif	/* __EHEA_H__ */
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index a2f1905..e3131ea 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -99,7 +99,7 @@
 
 static int port_name_cnt;
 static LIST_HEAD(adapter_list);
-u64 ehea_driver_flags;
+static unsigned long ehea_driver_flags;
 struct work_struct ehea_rereg_mr_task;
 static DEFINE_MUTEX(dlpar_mem_lock);
 struct ehea_fw_handle_array ehea_fw_handles;
diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c
index b0ef46c..cefe1d9 100644
--- a/drivers/net/enc28j60.c
+++ b/drivers/net/enc28j60.c
@@ -944,7 +944,7 @@
 	if (netif_msg_rx_status(priv))
 		enc28j60_dump_rsv(priv, __func__, next_packet, len, rxstat);
 
-	if (!RSV_GETBIT(rxstat, RSV_RXOK)) {
+	if (!RSV_GETBIT(rxstat, RSV_RXOK) || len > MAX_FRAMELEN) {
 		if (netif_msg_rx_err(priv))
 			dev_err(&ndev->dev, "Rx Error (%04x)\n", rxstat);
 		ndev->stats.rx_errors++;
@@ -952,6 +952,8 @@
 			ndev->stats.rx_crc_errors++;
 		if (RSV_GETBIT(rxstat, RSV_LENCHECKERR))
 			ndev->stats.rx_frame_errors++;
+		if (len > MAX_FRAMELEN)
+			ndev->stats.rx_over_errors++;
 	} else {
 		skb = dev_alloc_skb(len + NET_IP_ALIGN);
 		if (!skb) {
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 022794e..b82b0fb 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1457,8 +1457,8 @@
 
 	/* Number of supported queues. */
 	/* Having more queues than CPUs doesn't make sense. */
-	adapter->num_rx_queues = min((u32)IGB_MAX_RX_QUEUES, (u32)num_online_cpus());
-	adapter->num_tx_queues = min(IGB_MAX_TX_QUEUES, num_online_cpus());
+	adapter->num_rx_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus());
+	adapter->num_tx_queues = min_t(u32, IGB_MAX_TX_QUEUES, num_online_cpus());
 
 	/* This call may decrease the number of queues depending on
 	 * interrupt mode. */
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 5e70180..6bb71b6 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -75,7 +75,7 @@
 #include "myri10ge_mcp.h"
 #include "myri10ge_mcp_gen_header.h"
 
-#define MYRI10GE_VERSION_STR "1.4.4-1.395"
+#define MYRI10GE_VERSION_STR "1.4.4-1.398"
 
 MODULE_DESCRIPTION("Myricom 10G driver (10GbE)");
 MODULE_AUTHOR("Maintainer: help@myri.com");
@@ -3929,6 +3929,10 @@
 	myri10ge_dummy_rdma(mgp, 0);
 
 abort_with_ioremap:
+	if (mgp->mac_addr_string != NULL)
+		dev_err(&pdev->dev,
+			"myri10ge_probe() failed: MAC=%s, SN=%ld\n",
+			mgp->mac_addr_string, mgp->serial_number);
 	iounmap(mgp->sram);
 
 abort_with_mtrr:
diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index ba2e1c5b..459663a 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -818,15 +818,6 @@
 };
 
 /* DATA STRUCTURES SHARED WITH HARDWARE. */
-
-struct bq_element {
-	u32 addr_lo;
-#define BQ_END	0x00000001
-#define BQ_CONT	0x00000002
-#define BQ_MASK	0x00000003
-	u32 addr_hi;
-} __attribute((packed));
-
 struct tx_buf_desc {
 	__le64 addr;
 	__le32 len;
@@ -860,8 +851,8 @@
 	__le16 frame_len;
 #define OB_MAC_IOCB_LEN_MASK 0x3ffff
 	__le16 reserved2;
-	__le32 tid;
-	__le32 txq_idx;
+	u32 tid;
+	u32 txq_idx;
 	__le32 reserved3;
 	__le16 vlan_tci;
 	__le16 reserved4;
@@ -880,8 +871,8 @@
 	u8 flags2;		/* */
 	u8 flags3;		/* */
 #define OB_MAC_IOCB_RSP_B	0x80	/* */
-	__le32 tid;
-	__le32 txq_idx;
+	u32 tid;
+	u32 txq_idx;
 	__le32 reserved[13];
 } __attribute((packed));
 
@@ -903,8 +894,8 @@
 #define OB_MAC_TSO_IOCB_V	0x04
 	__le32 reserved1[2];
 	__le32 frame_len;
-	__le32 tid;
-	__le32 txq_idx;
+	u32 tid;
+	u32 txq_idx;
 	__le16 total_hdrs_len;
 	__le16 net_trans_offset;
 #define OB_MAC_TRANSPORT_HDR_SHIFT 6
@@ -925,8 +916,8 @@
 	u8 flags2;		/* */
 	u8 flags3;		/* */
 #define OB_MAC_TSO_IOCB_RSP_B	0x8000
-	__le32 tid;
-	__le32 txq_idx;
+	u32 tid;
+	u32 txq_idx;
 	__le32 reserved2[13];
 } __attribute((packed));
 
@@ -979,10 +970,11 @@
 
 	__le16 reserved1;
 	__le32 reserved2[6];
-	__le32 flags4;
-#define IB_MAC_IOCB_RSP_HV	0x20000000	/* */
-#define IB_MAC_IOCB_RSP_HS	0x40000000	/* */
-#define IB_MAC_IOCB_RSP_HL	0x80000000	/* */
+	u8 reserved3[3];
+	u8 flags4;
+#define IB_MAC_IOCB_RSP_HV	0x20
+#define IB_MAC_IOCB_RSP_HS	0x40
+#define IB_MAC_IOCB_RSP_HL	0x80
 	__le32 hdr_len;		/* */
 	__le32 hdr_addr_lo;	/* */
 	__le32 hdr_addr_hi;	/* */
@@ -1126,7 +1118,7 @@
 struct tx_ring_desc {
 	struct sk_buff *skb;
 	struct ob_mac_iocb_req *queue_entry;
-	int index;
+	u32 index;
 	struct oal oal;
 	struct map_list map[MAX_SKB_FRAGS + 1];
 	int map_cnt;
@@ -1138,8 +1130,8 @@
 		struct page *lbq_page;
 		struct sk_buff *skb;
 	} p;
-	struct bq_element *bq;
-	int index;
+	__le64 *addr;
+	u32 index;
 	 DECLARE_PCI_UNMAP_ADDR(mapaddr);
 	 DECLARE_PCI_UNMAP_LEN(maplen);
 };
@@ -1189,7 +1181,7 @@
 	u32 cq_size;
 	u32 cq_len;
 	u16 cq_id;
-	u32 *prod_idx_sh_reg;	/* Shadowed producer register. */
+	volatile __le32 *prod_idx_sh_reg;	/* Shadowed producer register. */
 	dma_addr_t prod_idx_sh_reg_dma;
 	void __iomem *cnsmr_idx_db_reg;	/* PCI doorbell mem area + 0 */
 	u32 cnsmr_idx;		/* current sw idx */
@@ -1467,21 +1459,6 @@
 	mmiowb();
 }
 
-/*
- * Shadow Registers:
- * Outbound queues have a consumer index that is maintained by the chip.
- * Inbound queues have a producer index that is maintained by the chip.
- * For lower overhead, these registers are "shadowed" to host memory
- * which allows the device driver to track the queue progress without
- * PCI reads. When an entry is placed on an inbound queue, the chip will
- * update the relevant index register and then copy the value to the
- * shadow register in host memory.
- */
-static inline unsigned int ql_read_sh_reg(const volatile void  *addr)
-{
-	return *(volatile unsigned int __force *)addr;
-}
-
 extern char qlge_driver_name[];
 extern const char qlge_driver_version[];
 extern const struct ethtool_ops qlge_ethtool_ops;
diff --git a/drivers/net/qlge/qlge_dbg.c b/drivers/net/qlge/qlge_dbg.c
index 47df304..3f5e02d 100644
--- a/drivers/net/qlge/qlge_dbg.c
+++ b/drivers/net/qlge/qlge_dbg.c
@@ -821,14 +821,11 @@
 		       le16_to_cpu(ib_mac_rsp->vlan_id));
 
 	printk(KERN_ERR PFX "flags4 = %s%s%s.\n",
-	       le32_to_cpu(ib_mac_rsp->
-			   flags4) & IB_MAC_IOCB_RSP_HV ? "HV " : "",
-	       le32_to_cpu(ib_mac_rsp->
-			   flags4) & IB_MAC_IOCB_RSP_HS ? "HS " : "",
-	       le32_to_cpu(ib_mac_rsp->
-			   flags4) & IB_MAC_IOCB_RSP_HL ? "HL " : "");
+		ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HV ? "HV " : "",
+		ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HS ? "HS " : "",
+		ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HL ? "HL " : "");
 
-	if (le32_to_cpu(ib_mac_rsp->flags4) & IB_MAC_IOCB_RSP_HV) {
+	if (ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HV) {
 		printk(KERN_ERR PFX "hdr length	= %d.\n",
 		       le32_to_cpu(ib_mac_rsp->hdr_len));
 		printk(KERN_ERR PFX "hdr addr_hi    = 0x%x.\n",
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
index eefb81b..9d922e2 100644
--- a/drivers/net/qlge/qlge_ethtool.c
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -56,9 +56,9 @@
 		for (i = 1; i < qdev->rss_ring_first_cq_id; i++, rx_ring++) {
 			rx_ring = &qdev->rx_ring[i];
 			cqicb = (struct cqicb *)rx_ring;
-			cqicb->irq_delay = le16_to_cpu(qdev->tx_coalesce_usecs);
+			cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
 			cqicb->pkt_delay =
-			    le16_to_cpu(qdev->tx_max_coalesced_frames);
+			    cpu_to_le16(qdev->tx_max_coalesced_frames);
 			cqicb->flags = FLAGS_LI;
 			status = ql_write_cfg(qdev, cqicb, sizeof(cqicb),
 						CFG_LCQ, rx_ring->cq_id);
@@ -79,9 +79,9 @@
 		     i++) {
 			rx_ring = &qdev->rx_ring[i];
 			cqicb = (struct cqicb *)rx_ring;
-			cqicb->irq_delay = le16_to_cpu(qdev->rx_coalesce_usecs);
+			cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
 			cqicb->pkt_delay =
-			    le16_to_cpu(qdev->rx_max_coalesced_frames);
+			    cpu_to_le16(qdev->rx_max_coalesced_frames);
 			cqicb->flags = FLAGS_LI;
 			status = ql_write_cfg(qdev, cqicb, sizeof(cqicb),
 						CFG_LCQ, rx_ring->cq_id);
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 718a7bd..f4c0160 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -257,7 +257,7 @@
 		{
 			status =
 			    ql_wait_reg_rdy(qdev,
-				MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E);
+				MAC_ADDR_IDX, MAC_ADDR_MW, 0);
 			if (status)
 				goto exit;
 			ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */
@@ -265,13 +265,13 @@
 				   MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */
 			status =
 			    ql_wait_reg_rdy(qdev,
-				MAC_ADDR_IDX, MAC_ADDR_MR, MAC_ADDR_E);
+				MAC_ADDR_IDX, MAC_ADDR_MR, 0);
 			if (status)
 				goto exit;
 			*value++ = ql_read32(qdev, MAC_ADDR_DATA);
 			status =
 			    ql_wait_reg_rdy(qdev,
-				MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E);
+				MAC_ADDR_IDX, MAC_ADDR_MW, 0);
 			if (status)
 				goto exit;
 			ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */
@@ -279,14 +279,14 @@
 				   MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */
 			status =
 			    ql_wait_reg_rdy(qdev,
-				MAC_ADDR_IDX, MAC_ADDR_MR, MAC_ADDR_E);
+				MAC_ADDR_IDX, MAC_ADDR_MR, 0);
 			if (status)
 				goto exit;
 			*value++ = ql_read32(qdev, MAC_ADDR_DATA);
 			if (type == MAC_ADDR_TYPE_CAM_MAC) {
 				status =
 				    ql_wait_reg_rdy(qdev,
-					MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E);
+					MAC_ADDR_IDX, MAC_ADDR_MW, 0);
 				if (status)
 					goto exit;
 				ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */
@@ -294,7 +294,7 @@
 					   MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */
 				status =
 				    ql_wait_reg_rdy(qdev, MAC_ADDR_IDX,
-						    MAC_ADDR_MR, MAC_ADDR_E);
+						    MAC_ADDR_MR, 0);
 				if (status)
 					goto exit;
 				*value++ = ql_read32(qdev, MAC_ADDR_DATA);
@@ -344,7 +344,7 @@
 
 			status =
 			    ql_wait_reg_rdy(qdev,
-				MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E);
+				MAC_ADDR_IDX, MAC_ADDR_MW, 0);
 			if (status)
 				goto exit;
 			ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */
@@ -353,7 +353,7 @@
 			ql_write32(qdev, MAC_ADDR_DATA, lower);
 			status =
 			    ql_wait_reg_rdy(qdev,
-				MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E);
+				MAC_ADDR_IDX, MAC_ADDR_MW, 0);
 			if (status)
 				goto exit;
 			ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */
@@ -362,7 +362,7 @@
 			ql_write32(qdev, MAC_ADDR_DATA, upper);
 			status =
 			    ql_wait_reg_rdy(qdev,
-				MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E);
+				MAC_ADDR_IDX, MAC_ADDR_MW, 0);
 			if (status)
 				goto exit;
 			ql_write32(qdev, MAC_ADDR_IDX, (offset) |	/* offset */
@@ -400,7 +400,7 @@
 
 			status =
 			    ql_wait_reg_rdy(qdev,
-				MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E);
+				MAC_ADDR_IDX, MAC_ADDR_MW, 0);
 			if (status)
 				goto exit;
 			ql_write32(qdev, MAC_ADDR_IDX, offset |	/* offset */
@@ -431,13 +431,13 @@
 	if (status)
 		goto exit;
 
-	status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MW, RT_IDX_E);
+	status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MW, 0);
 	if (status)
 		goto exit;
 
 	ql_write32(qdev, RT_IDX,
 		   RT_IDX_TYPE_NICQ | RT_IDX_RS | (index << RT_IDX_IDX_SHIFT));
-	status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MR, RT_IDX_E);
+	status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MR, 0);
 	if (status)
 		goto exit;
 	*value = ql_read32(qdev, RT_DATA);
@@ -874,7 +874,6 @@
 {
 	int clean_idx = rx_ring->lbq_clean_idx;
 	struct bq_desc *lbq_desc;
-	struct bq_element *bq;
 	u64 map;
 	int i;
 
@@ -884,7 +883,6 @@
 				"lbq: try cleaning clean_idx = %d.\n",
 				clean_idx);
 			lbq_desc = &rx_ring->lbq[clean_idx];
-			bq = lbq_desc->bq;
 			if (lbq_desc->p.lbq_page == NULL) {
 				QPRINTK(qdev, RX_STATUS, DEBUG,
 					"lbq: getting new page for index %d.\n",
@@ -906,10 +904,7 @@
 				}
 				pci_unmap_addr_set(lbq_desc, mapaddr, map);
 				pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE);
-				bq->addr_lo =	/*lbq_desc->addr_lo = */
-				    cpu_to_le32(map);
-				bq->addr_hi =	/*lbq_desc->addr_hi = */
-				    cpu_to_le32(map >> 32);
+				*lbq_desc->addr = cpu_to_le64(map);
 			}
 			clean_idx++;
 			if (clean_idx == rx_ring->lbq_len)
@@ -934,7 +929,6 @@
 {
 	int clean_idx = rx_ring->sbq_clean_idx;
 	struct bq_desc *sbq_desc;
-	struct bq_element *bq;
 	u64 map;
 	int i;
 
@@ -944,7 +938,6 @@
 			QPRINTK(qdev, RX_STATUS, DEBUG,
 				"sbq: try cleaning clean_idx = %d.\n",
 				clean_idx);
-			bq = sbq_desc->bq;
 			if (sbq_desc->p.skb == NULL) {
 				QPRINTK(qdev, RX_STATUS, DEBUG,
 					"sbq: getting new skb for index %d.\n",
@@ -963,11 +956,15 @@
 						     sbq_desc->p.skb->data,
 						     rx_ring->sbq_buf_size /
 						     2, PCI_DMA_FROMDEVICE);
+				if (pci_dma_mapping_error(qdev->pdev, map)) {
+					QPRINTK(qdev, IFUP, ERR, "PCI mapping failed.\n");
+					rx_ring->sbq_clean_idx = clean_idx;
+					return;
+				}
 				pci_unmap_addr_set(sbq_desc, mapaddr, map);
 				pci_unmap_len_set(sbq_desc, maplen,
 						  rx_ring->sbq_buf_size / 2);
-				bq->addr_lo = cpu_to_le32(map);
-				bq->addr_hi = cpu_to_le32(map >> 32);
+				*sbq_desc->addr = cpu_to_le64(map);
 			}
 
 			clean_idx++;
@@ -1303,6 +1300,11 @@
 					"No skb available, drop the packet.\n");
 				return NULL;
 			}
+			pci_unmap_page(qdev->pdev,
+				       pci_unmap_addr(lbq_desc,
+						      mapaddr),
+				       pci_unmap_len(lbq_desc, maplen),
+				       PCI_DMA_FROMDEVICE);
 			skb_reserve(skb, NET_IP_ALIGN);
 			QPRINTK(qdev, RX_STATUS, DEBUG,
 				"%d bytes of headers and data in large. Chain page to new skb and pull tail.\n", length);
@@ -1330,7 +1332,7 @@
 		 *          eventually be in trouble.
 		 */
 		int size, offset, i = 0;
-		struct bq_element *bq, bq_array[8];
+		__le64 *bq, bq_array[8];
 		sbq_desc = ql_get_curr_sbuf(rx_ring);
 		pci_unmap_single(qdev->pdev,
 				 pci_unmap_addr(sbq_desc, mapaddr),
@@ -1356,16 +1358,10 @@
 		} else {
 			QPRINTK(qdev, RX_STATUS, DEBUG,
 				"Headers in small, %d bytes of data in chain of large.\n", length);
-			bq = (struct bq_element *)sbq_desc->p.skb->data;
+			bq = (__le64 *)sbq_desc->p.skb->data;
 		}
 		while (length > 0) {
 			lbq_desc = ql_get_curr_lbuf(rx_ring);
-			if ((bq->addr_lo & ~BQ_MASK) != lbq_desc->bq->addr_lo) {
-				QPRINTK(qdev, RX_STATUS, ERR,
-					"Panic!!! bad large buffer address, expected 0x%.08x, got 0x%.08x.\n",
-					lbq_desc->bq->addr_lo, bq->addr_lo);
-				return NULL;
-			}
 			pci_unmap_page(qdev->pdev,
 				       pci_unmap_addr(lbq_desc,
 						      mapaddr),
@@ -1549,7 +1545,7 @@
 static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring)
 {
 	struct ql_adapter *qdev = rx_ring->qdev;
-	u32 prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg);
+	u32 prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg);
 	struct ob_mac_iocb_rsp *net_rsp = NULL;
 	int count = 0;
 
@@ -1575,7 +1571,7 @@
 		}
 		count++;
 		ql_update_cq(rx_ring);
-		prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg);
+		prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg);
 	}
 	ql_write_cq_idx(rx_ring);
 	if (netif_queue_stopped(qdev->ndev) && net_rsp != NULL) {
@@ -1595,7 +1591,7 @@
 static int ql_clean_inbound_rx_ring(struct rx_ring *rx_ring, int budget)
 {
 	struct ql_adapter *qdev = rx_ring->qdev;
-	u32 prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg);
+	u32 prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg);
 	struct ql_net_rsp_iocb *net_rsp;
 	int count = 0;
 
@@ -1628,7 +1624,7 @@
 		}
 		count++;
 		ql_update_cq(rx_ring);
-		prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg);
+		prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg);
 		if (count == budget)
 			break;
 	}
@@ -1791,7 +1787,7 @@
 	 * Check the default queue and wake handler if active.
 	 */
 	rx_ring = &qdev->rx_ring[0];
-	if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) {
+	if (le32_to_cpu(*rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) {
 		QPRINTK(qdev, INTR, INFO, "Waking handler for rx_ring[0].\n");
 		ql_disable_completion_interrupt(qdev, intr_context->intr);
 		queue_delayed_work_on(smp_processor_id(), qdev->q_workqueue,
@@ -1805,7 +1801,7 @@
 		 */
 		for (i = 1; i < qdev->rx_ring_count; i++) {
 			rx_ring = &qdev->rx_ring[i];
-			if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) !=
+			if (le32_to_cpu(*rx_ring->prod_idx_sh_reg) !=
 			    rx_ring->cnsmr_idx) {
 				QPRINTK(qdev, INTR, INFO,
 					"Waking handler for rx_ring[%d].\n", i);
@@ -1874,7 +1870,7 @@
 {
 	int len;
 	struct iphdr *iph = ip_hdr(skb);
-	u16 *check;
+	__sum16 *check;
 	mac_iocb_ptr->opcode = OPCODE_OB_MAC_TSO_IOCB;
 	mac_iocb_ptr->frame_len = cpu_to_le32((u32) skb->len);
 	mac_iocb_ptr->net_trans_offset =
@@ -2083,8 +2079,6 @@
 			put_page(lbq_desc->p.lbq_page);
 			lbq_desc->p.lbq_page = NULL;
 		}
-		lbq_desc->bq->addr_lo = 0;
-		lbq_desc->bq->addr_hi = 0;
 	}
 }
 
@@ -2097,12 +2091,12 @@
 	int i;
 	struct bq_desc *lbq_desc;
 	u64 map;
-	struct bq_element *bq = rx_ring->lbq_base;
+	__le64 *bq = rx_ring->lbq_base;
 
 	for (i = 0; i < rx_ring->lbq_len; i++) {
 		lbq_desc = &rx_ring->lbq[i];
 		memset(lbq_desc, 0, sizeof(lbq_desc));
-		lbq_desc->bq = bq;
+		lbq_desc->addr = bq;
 		lbq_desc->index = i;
 		lbq_desc->p.lbq_page = alloc_page(GFP_ATOMIC);
 		if (unlikely(!lbq_desc->p.lbq_page)) {
@@ -2119,8 +2113,7 @@
 			}
 			pci_unmap_addr_set(lbq_desc, mapaddr, map);
 			pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE);
-			bq->addr_lo = cpu_to_le32(map);
-			bq->addr_hi = cpu_to_le32(map >> 32);
+			*lbq_desc->addr = cpu_to_le64(map);
 		}
 		bq++;
 	}
@@ -2149,13 +2142,6 @@
 			dev_kfree_skb(sbq_desc->p.skb);
 			sbq_desc->p.skb = NULL;
 		}
-		if (sbq_desc->bq == NULL) {
-			QPRINTK(qdev, IFUP, ERR, "sbq_desc->bq %d is NULL.\n",
-				i);
-			return;
-		}
-		sbq_desc->bq->addr_lo = 0;
-		sbq_desc->bq->addr_hi = 0;
 	}
 }
 
@@ -2167,13 +2153,13 @@
 	struct bq_desc *sbq_desc;
 	struct sk_buff *skb;
 	u64 map;
-	struct bq_element *bq = rx_ring->sbq_base;
+	__le64 *bq = rx_ring->sbq_base;
 
 	for (i = 0; i < rx_ring->sbq_len; i++) {
 		sbq_desc = &rx_ring->sbq[i];
 		memset(sbq_desc, 0, sizeof(sbq_desc));
 		sbq_desc->index = i;
-		sbq_desc->bq = bq;
+		sbq_desc->addr = bq;
 		skb = netdev_alloc_skb(qdev->ndev, rx_ring->sbq_buf_size);
 		if (unlikely(!skb)) {
 			/* Better luck next round */
@@ -2199,10 +2185,7 @@
 		}
 		pci_unmap_addr_set(sbq_desc, mapaddr, map);
 		pci_unmap_len_set(sbq_desc, maplen, rx_ring->sbq_buf_size / 2);
-		bq->addr_lo =	/*sbq_desc->addr_lo = */
-		    cpu_to_le32(map);
-		bq->addr_hi =	/*sbq_desc->addr_hi = */
-		    cpu_to_le32(map >> 32);
+		*sbq_desc->addr = cpu_to_le64(map);
 		bq++;
 	}
 	return 0;
@@ -2481,7 +2464,8 @@
 	memset((void *)cqicb, 0, sizeof(struct cqicb));
 	cqicb->msix_vect = rx_ring->irq;
 
-	cqicb->len = cpu_to_le16(rx_ring->cq_len | LEN_V | LEN_CPP_CONT);
+	bq_len = (rx_ring->cq_len == 65536) ? 0 : (u16) rx_ring->cq_len;
+	cqicb->len = cpu_to_le16(bq_len | LEN_V | LEN_CPP_CONT);
 
 	cqicb->addr_lo = cpu_to_le32(rx_ring->cq_base_dma);
 	cqicb->addr_hi = cpu_to_le32((u64) rx_ring->cq_base_dma >> 32);
@@ -2503,8 +2487,11 @@
 		    cpu_to_le32(rx_ring->lbq_base_indirect_dma);
 		cqicb->lbq_addr_hi =
 		    cpu_to_le32((u64) rx_ring->lbq_base_indirect_dma >> 32);
-		cqicb->lbq_buf_size = cpu_to_le32(rx_ring->lbq_buf_size);
-		bq_len = (u16) rx_ring->lbq_len;
+		bq_len = (rx_ring->lbq_buf_size == 65536) ? 0 :
+			(u16) rx_ring->lbq_buf_size;
+		cqicb->lbq_buf_size = cpu_to_le16(bq_len);
+		bq_len = (rx_ring->lbq_len == 65536) ? 0 :
+			(u16) rx_ring->lbq_len;
 		cqicb->lbq_len = cpu_to_le16(bq_len);
 		rx_ring->lbq_prod_idx = rx_ring->lbq_len - 16;
 		rx_ring->lbq_curr_idx = 0;
@@ -2520,7 +2507,8 @@
 		    cpu_to_le32((u64) rx_ring->sbq_base_indirect_dma >> 32);
 		cqicb->sbq_buf_size =
 		    cpu_to_le16(((rx_ring->sbq_buf_size / 2) + 8) & 0xfffffff8);
-		bq_len = (u16) rx_ring->sbq_len;
+		bq_len = (rx_ring->sbq_len == 65536) ? 0 :
+			(u16) rx_ring->sbq_len;
 		cqicb->sbq_len = cpu_to_le16(bq_len);
 		rx_ring->sbq_prod_idx = rx_ring->sbq_len - 16;
 		rx_ring->sbq_curr_idx = 0;
@@ -3341,11 +3329,11 @@
 			    rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb);
 			rx_ring->lbq_len = NUM_LARGE_BUFFERS;
 			rx_ring->lbq_size =
-			    rx_ring->lbq_len * sizeof(struct bq_element);
+			    rx_ring->lbq_len * sizeof(__le64);
 			rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE;
 			rx_ring->sbq_len = NUM_SMALL_BUFFERS;
 			rx_ring->sbq_size =
-			    rx_ring->sbq_len * sizeof(struct bq_element);
+			    rx_ring->sbq_len * sizeof(__le64);
 			rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2;
 			rx_ring->type = DEFAULT_Q;
 		} else if (i < qdev->rss_ring_first_cq_id) {
@@ -3372,11 +3360,11 @@
 			    rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb);
 			rx_ring->lbq_len = NUM_LARGE_BUFFERS;
 			rx_ring->lbq_size =
-			    rx_ring->lbq_len * sizeof(struct bq_element);
+			    rx_ring->lbq_len * sizeof(__le64);
 			rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE;
 			rx_ring->sbq_len = NUM_SMALL_BUFFERS;
 			rx_ring->sbq_size =
-			    rx_ring->sbq_len * sizeof(struct bq_element);
+			    rx_ring->sbq_len * sizeof(__le64);
 			rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2;
 			rx_ring->type = RX_Q;
 		}
diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c
index f54ac23..57fb1f7 100644
--- a/drivers/net/starfire.c
+++ b/drivers/net/starfire.c
@@ -42,11 +42,11 @@
 #include <linux/mii.h>
 #include <linux/if_vlan.h>
 #include <linux/mm.h>
+#include <linux/firmware.h>
 #include <asm/processor.h>		/* Processor type for cache alignment. */
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
-#include "starfire_firmware.h"
 /*
  * The current frame processor firmware fails to checksum a fragment
  * of length 1. If and when this is fixed, the #define below can be removed.
@@ -173,6 +173,10 @@
 #define skb_first_frag_len(skb)	skb_headlen(skb)
 #define skb_num_frags(skb) (skb_shinfo(skb)->nr_frags + 1)
 
+/* Firmware names */
+#define FIRMWARE_RX	"adaptec/starfire_rx.bin"
+#define FIRMWARE_TX	"adaptec/starfire_tx.bin"
+
 /* These identify the driver base version and may not be removed. */
 static char version[] =
 KERN_INFO "starfire.c:v1.03 7/26/2000  Written by Donald Becker <becker@scyld.com>\n"
@@ -182,6 +186,8 @@
 MODULE_DESCRIPTION("Adaptec Starfire Ethernet driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
+MODULE_FIRMWARE(FIRMWARE_RX);
+MODULE_FIRMWARE(FIRMWARE_TX);
 
 module_param(max_interrupt_work, int, 0);
 module_param(mtu, int, 0);
@@ -902,9 +908,12 @@
 
 static int netdev_open(struct net_device *dev)
 {
+	const struct firmware *fw_rx, *fw_tx;
+	const __be32 *fw_rx_data, *fw_tx_data;
 	struct netdev_private *np = netdev_priv(dev);
 	void __iomem *ioaddr = np->base;
 	int i, retval;
+	size_t tx_size, rx_size;
 	size_t tx_done_q_size, rx_done_q_size, tx_ring_size, rx_ring_size;
 
 	/* Do we ever need to reset the chip??? */
@@ -1040,11 +1049,40 @@
 	writel(ETH_P_8021Q, ioaddr + VlanType);
 #endif /* VLAN_SUPPORT */
 
+	retval = request_firmware(&fw_rx, FIRMWARE_RX, &np->pci_dev->dev);
+	if (retval) {
+		printk(KERN_ERR "starfire: Failed to load firmware \"%s\"\n",
+		       FIRMWARE_RX);
+		return retval;
+	}
+	if (fw_rx->size % 4) {
+		printk(KERN_ERR "starfire: bogus length %zu in \"%s\"\n",
+		       fw_rx->size, FIRMWARE_RX);
+		retval = -EINVAL;
+		goto out_rx;
+	}
+	retval = request_firmware(&fw_tx, FIRMWARE_TX, &np->pci_dev->dev);
+	if (retval) {
+		printk(KERN_ERR "starfire: Failed to load firmware \"%s\"\n",
+		       FIRMWARE_TX);
+		goto out_rx;
+	}
+	if (fw_tx->size % 4) {
+		printk(KERN_ERR "starfire: bogus length %zu in \"%s\"\n",
+		       fw_tx->size, FIRMWARE_TX);
+		retval = -EINVAL;
+		goto out_tx;
+	}
+	fw_rx_data = (const __be32 *)&fw_rx->data[0];
+	fw_tx_data = (const __be32 *)&fw_tx->data[0];
+	rx_size = fw_rx->size / 4;
+	tx_size = fw_tx->size / 4;
+
 	/* Load Rx/Tx firmware into the frame processors */
-	for (i = 0; i < FIRMWARE_RX_SIZE * 2; i++)
-		writel(firmware_rx[i], ioaddr + RxGfpMem + i * 4);
-	for (i = 0; i < FIRMWARE_TX_SIZE * 2; i++)
-		writel(firmware_tx[i], ioaddr + TxGfpMem + i * 4);
+	for (i = 0; i < rx_size; i++)
+		writel(be32_to_cpup(&fw_rx_data[i]), ioaddr + RxGfpMem + i * 4);
+	for (i = 0; i < tx_size; i++)
+		writel(be32_to_cpup(&fw_tx_data[i]), ioaddr + TxGfpMem + i * 4);
 	if (enable_hw_cksum)
 		/* Enable the Rx and Tx units, and the Rx/Tx frame processors. */
 		writel(TxEnable|TxGFPEnable|RxEnable|RxGFPEnable, ioaddr + GenCtrl);
@@ -1056,7 +1094,11 @@
 		printk(KERN_DEBUG "%s: Done netdev_open().\n",
 		       dev->name);
 
-	return 0;
+out_tx:
+	release_firmware(fw_tx);
+out_rx:
+	release_firmware(fw_rx);
+	return retval;
 }
 
 
diff --git a/drivers/net/starfire_firmware.h b/drivers/net/starfire_firmware.h
deleted file mode 100644
index 0a66852..0000000
--- a/drivers/net/starfire_firmware.h
+++ /dev/null
@@ -1,346 +0,0 @@
-/*
- * Copyright 2003 Adaptec, Inc.
- *
- * Please read the following license before using the Adaptec Software
- * ("Program"). If you do not agree to the license terms, do not use the
- * Program:
- *
- * You agree to be bound by version 2 of the General Public License ("GPL")
- * dated June 1991, which can be found at http://www.fsf.org/licenses/gpl.html.
- * If the link is broken, write to Free Software Foundation, 59 Temple Place,
- * Boston, Massachusetts 02111-1307.
- *
- * BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE IT IS LICENSED "AS IS" AND
- * THERE IS NO WARRANTY FOR THE PROGRAM, INCLUDING BUT NOT LIMITED TO THE
- * IMPLIED WARRANTIES OF MERCHANTIBILITY OR FITNESS FOR A PARTICULAR PURPOSE
- * (TO THE EXTENT PERMITTED BY APPLICABLE LAW). USE OF THE PROGRAM IS AT YOUR
- * OWN RISK. IN NO EVENT WILL ADAPTEC OR ITS LICENSORS BE LIABLE TO YOU FOR
- * DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM.
- *
- */
-
-static const u32 firmware_rx[] = {
-  0x010003dc, 0x00000000,
-  0x04000421, 0x00000086,
-  0x80000015, 0x0000180e,
-  0x81000015, 0x00006664,
-  0x1a0040ab, 0x00000b06,
-  0x14200011, 0x00000000,
-  0x14204022, 0x0000aaaa,
-  0x14204022, 0x00000300,
-  0x14204022, 0x00000000,
-  0x1a0040ab, 0x00000b14,
-  0x14200011, 0x00000000,
-  0x83000015, 0x00000002,
-  0x04000021, 0x00000000,
-  0x00000010, 0x00000000,
-  0x04000421, 0x00000087,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00008015, 0x00000000,
-  0x0000003e, 0x00000000,
-  0x00000010, 0x00000000,
-  0x82000015, 0x00004000,
-  0x009e8050, 0x00000000,
-  0x03008015, 0x00000000,
-  0x86008015, 0x00000000,
-  0x82000015, 0x00008000,
-  0x0100001c, 0x00000000,
-  0x000050a0, 0x0000010c,
-  0x4e20d011, 0x00006008,
-  0x1420d012, 0x00004008,
-  0x0000f090, 0x00007000,
-  0x0000c8b0, 0x00003000,
-  0x00004040, 0x00000000,
-  0x00108015, 0x00000000,
-  0x00a2c150, 0x00004000,
-  0x00a400b0, 0x00000014,
-  0x00000020, 0x00000000,
-  0x2500400d, 0x00002525,
-  0x00047220, 0x00003100,
-  0x00934070, 0x00000000,
-  0x00000020, 0x00000000,
-  0x00924460, 0x00000184,
-  0x2b20c011, 0x00000000,
-  0x0000c420, 0x00000540,
-  0x36014018, 0x0000422d,
-  0x14200011, 0x00000000,
-  0x00924460, 0x00000183,
-  0x3200001f, 0x00000034,
-  0x02ac0015, 0x00000002,
-  0x00a60110, 0x00000008,
-  0x42200011, 0x00000000,
-  0x00924060, 0x00000103,
-  0x0000001e, 0x00000000,
-  0x00000020, 0x00000100,
-  0x0000001e, 0x00000000,
-  0x00924460, 0x00000086,
-  0x00004080, 0x00000000,
-  0x0092c070, 0x00000000,
-  0x00924060, 0x00000100,
-  0x0000c890, 0x00005000,
-  0x00a6c110, 0x00000000,
-  0x00b0c090, 0x00000012,
-  0x021c0015, 0x00000000,
-  0x3200001f, 0x00000034,
-  0x00924460, 0x00000510,
-  0x44210011, 0x00000000,
-  0x42000011, 0x00000000,
-  0x83000015, 0x00000040,
-  0x00924460, 0x00000508,
-  0x45014018, 0x00004545,
-  0x00808050, 0x00000000,
-  0x62208012, 0x00000000,
-  0x82000015, 0x00000800,
-  0x15200011, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x80000015, 0x0000eea4,
-  0x81000015, 0x0000005f,
-  0x00000060, 0x00000000,
-  0x00004120, 0x00000000,
-  0x00004a00, 0x00004000,
-  0x00924460, 0x00000190,
-  0x5601401a, 0x00005956,
-  0x14000011, 0x00000000,
-  0x00934050, 0x00000018,
-  0x00930050, 0x00000018,
-  0x3601403a, 0x0000002d,
-  0x000643a9, 0x00000000,
-  0x0000c420, 0x00000140,
-  0x5601401a, 0x00005956,
-  0x14000011, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x000642a9, 0x00000000,
-  0x00024420, 0x00000183,
-  0x5601401a, 0x00005956,
-  0x82000015, 0x00002000,
-  0x15200011, 0x00000000,
-  0x82000015, 0x00000010,
-  0x15200011, 0x00000000,
-  0x82000015, 0x00000010,
-  0x15200011, 0x00000000,
-};	/* 104 Rx instructions */
-#define FIRMWARE_RX_SIZE 104
-
-static const u32 firmware_tx[] = {
-  0x010003dc, 0x00000000,
-  0x04000421, 0x00000086,
-  0x80000015, 0x0000180e,
-  0x81000015, 0x00006664,
-  0x1a0040ab, 0x00000b06,
-  0x14200011, 0x00000000,
-  0x14204022, 0x0000aaaa,
-  0x14204022, 0x00000300,
-  0x14204022, 0x00000000,
-  0x1a0040ab, 0x00000b14,
-  0x14200011, 0x00000000,
-  0x83000015, 0x00000002,
-  0x04000021, 0x00000000,
-  0x00000010, 0x00000000,
-  0x04000421, 0x00000087,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00008015, 0x00000000,
-  0x0000003e, 0x00000000,
-  0x00000010, 0x00000000,
-  0x82000015, 0x00004000,
-  0x009e8050, 0x00000000,
-  0x03008015, 0x00000000,
-  0x86008015, 0x00000000,
-  0x82000015, 0x00008000,
-  0x0100001c, 0x00000000,
-  0x000050a0, 0x0000010c,
-  0x4e20d011, 0x00006008,
-  0x1420d012, 0x00004008,
-  0x0000f090, 0x00007000,
-  0x0000c8b0, 0x00003000,
-  0x00004040, 0x00000000,
-  0x00108015, 0x00000000,
-  0x00a2c150, 0x00004000,
-  0x00a400b0, 0x00000014,
-  0x00000020, 0x00000000,
-  0x2500400d, 0x00002525,
-  0x00047220, 0x00003100,
-  0x00934070, 0x00000000,
-  0x00000020, 0x00000000,
-  0x00924460, 0x00000184,
-  0x2b20c011, 0x00000000,
-  0x0000c420, 0x00000540,
-  0x36014018, 0x0000422d,
-  0x14200011, 0x00000000,
-  0x00924460, 0x00000183,
-  0x3200001f, 0x00000034,
-  0x02ac0015, 0x00000002,
-  0x00a60110, 0x00000008,
-  0x42200011, 0x00000000,
-  0x00924060, 0x00000103,
-  0x0000001e, 0x00000000,
-  0x00000020, 0x00000100,
-  0x0000001e, 0x00000000,
-  0x00924460, 0x00000086,
-  0x00004080, 0x00000000,
-  0x0092c070, 0x00000000,
-  0x00924060, 0x00000100,
-  0x0000c890, 0x00005000,
-  0x00a6c110, 0x00000000,
-  0x00b0c090, 0x00000012,
-  0x021c0015, 0x00000000,
-  0x3200001f, 0x00000034,
-  0x00924460, 0x00000510,
-  0x44210011, 0x00000000,
-  0x42000011, 0x00000000,
-  0x83000015, 0x00000040,
-  0x00924460, 0x00000508,
-  0x45014018, 0x00004545,
-  0x00808050, 0x00000000,
-  0x62208012, 0x00000000,
-  0x82000015, 0x00000800,
-  0x15200011, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x80000015, 0x0000eea4,
-  0x81000015, 0x0000005f,
-  0x00000060, 0x00000000,
-  0x00004120, 0x00000000,
-  0x00004a00, 0x00004000,
-  0x00924460, 0x00000190,
-  0x5601401a, 0x00005956,
-  0x14000011, 0x00000000,
-  0x00934050, 0x00000018,
-  0x00930050, 0x00000018,
-  0x3601403a, 0x0000002d,
-  0x000643a9, 0x00000000,
-  0x0000c420, 0x00000140,
-  0x5601401a, 0x00005956,
-  0x14000011, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x000642a9, 0x00000000,
-  0x00024420, 0x00000183,
-  0x5601401a, 0x00005956,
-  0x82000015, 0x00002000,
-  0x15200011, 0x00000000,
-  0x82000015, 0x00000010,
-  0x15200011, 0x00000000,
-  0x82000015, 0x00000010,
-  0x15200011, 0x00000000,
-};	/* 104 Tx instructions */
-#define FIRMWARE_TX_SIZE 104
-#if 0
-static const u32 firmware_wol[] = {
-  0x010003dc, 0x00000000,
-  0x19000421, 0x00000087,
-  0x80000015, 0x00001a1a,
-  0x81000015, 0x00001a1a,
-  0x1a0040ab, 0x00000b06,
-  0x15200011, 0x00000000,
-  0x15204022, 0x0000aaaa,
-  0x15204022, 0x00000300,
-  0x15204022, 0x00000000,
-  0x1a0040ab, 0x00000b15,
-  0x15200011, 0x00000000,
-  0x83000015, 0x00000002,
-  0x04000021, 0x00000000,
-  0x00000010, 0x00000000,
-  0x04000421, 0x00000087,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00008015, 0x00000000,
-  0x0000003e, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x82000015, 0x00004000,
-  0x82000015, 0x00008000,
-  0x0000000c, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00004080, 0x00000100,
-  0x1f20c011, 0x00001122,
-  0x2720f011, 0x00003011,
-  0x19200071, 0x00000000,
-  0x1a200051, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x1d2040a4, 0x00003344,
-  0x1d2040a2, 0x00005566,
-  0x000040a0, 0x00000100,
-  0x00108050, 0x00000001,
-  0x1a208012, 0x00000006,
-  0x82000015, 0x00008080,
-  0x010003dc, 0x00000000,
-  0x1d2040a4, 0x00002233,
-  0x1d2040a4, 0x00004455,
-  0x2d208011, 0x00000005,
-  0x1d2040a4, 0x00006611,
-  0x00108050, 0x00000001,
-  0x27200011, 0x00000000,
-  0x1d2050a4, 0x00006600,
-  0x82000015, 0x00008080,
-  0x010003dc, 0x00000000,
-  0x00000050, 0x00000000,
-  0x1b200031, 0x00000000,
-  0x0000001e, 0x00000000,
-  0x0000001e, 0x00000000,
-  0x0000001e, 0x00000000,
-  0x0000001e, 0x00000000,
-  0x00924460, 0x00000086,
-  0x00004080, 0x00000000,
-  0x0092c070, 0x00000000,
-  0x00924060, 0x00000100,
-  0x0000c890, 0x00005000,
-  0x00a6c110, 0x00000000,
-  0x00b0c090, 0x00000012,
-  0x021c0015, 0x00000000,
-  0x3200001f, 0x00000034,
-  0x00924460, 0x00000510,
-  0x44210011, 0x00000000,
-  0x42000011, 0x00000000,
-  0x83000015, 0x00000040,
-  0x00924460, 0x00000508,
-  0x476a0012, 0x00000100,
-  0x83000015, 0x00000008,
-  0x16200011, 0x00000000,
-  0x001e8050, 0x00000000,
-  0x001e8050, 0x00000000,
-  0x00808050, 0x00000000,
-  0x03008015, 0x00000000,
-  0x62208012, 0x00000000,
-  0x82000015, 0x00000800,
-  0x16200011, 0x00000000,
-  0x80000015, 0x0000eea4,
-  0x81000015, 0x0000005f,
-  0x00000020, 0x00000000,
-  0x00004120, 0x00000000,
-  0x00004a00, 0x00004000,
-  0x00924460, 0x00000190,
-  0x5c01401a, 0x0000595c,
-  0x15000011, 0x00000000,
-  0x00934050, 0x00000018,
-  0x00930050, 0x00000018,
-  0x3601403a, 0x0000002d,
-  0x00064029, 0x00000000,
-  0x0000c420, 0x00000140,
-  0x5c01401a, 0x0000595c,
-  0x15000011, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00000010, 0x00000000,
-  0x00064029, 0x00000000,
-  0x00024420, 0x00000183,
-  0x5c01401a, 0x0000595c,
-  0x82000015, 0x00002000,
-  0x16200011, 0x00000000,
-  0x82000015, 0x00000010,
-  0x16200011, 0x00000000,
-  0x82000015, 0x00000010,
-  0x16200011, 0x00000000,
-};	/* 104 WoL instructions */
-#define FIRMWARE_WOL_SIZE 104
-#endif
diff --git a/drivers/net/starfire_firmware.pl b/drivers/net/starfire_firmware.pl
deleted file mode 100644
index 0c82b80..0000000
--- a/drivers/net/starfire_firmware.pl
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/usr/bin/perl
-
-# This script can be used to generate a new starfire_firmware.h
-# from GFP_RX.DAT and GFP_TX.DAT, files included with the DDK
-# and also with the Novell drivers.
-
-open FW, "GFP_RX.DAT" || die;
-open FWH, ">starfire_firmware.h" || die;
-
-printf(FWH "static u32 firmware_rx[] = {\n");
-$counter = 0;
-while ($foo = <FW>) {
-  chomp;
-  printf(FWH "  0x%s, 0x0000%s,\n", substr($foo, 4, 8), substr($foo, 0, 4));
-  $counter++;
-}
-
-close FW;
-open FW, "GFP_TX.DAT" || die;
-
-printf(FWH "};\t/* %d Rx instructions */\n#define FIRMWARE_RX_SIZE %d\n\nstatic u32 firmware_tx[] = {\n", $counter, $counter);
-$counter = 0;
-while ($foo = <FW>) {
-  chomp;
-  printf(FWH "  0x%s, 0x0000%s,\n", substr($foo, 4, 8), substr($foo, 0, 4));
-  $counter++;
-}
-
-close FW;
-printf(FWH "};\t/* %d Tx instructions */\n#define FIRMWARE_TX_SIZE %d\n", $counter, $counter);
-close(FWH);
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 04ae1e8..5e2dbae 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -40,6 +40,7 @@
 #include <linux/workqueue.h>
 #include <linux/prefetch.h>
 #include <linux/dma-mapping.h>
+#include <linux/firmware.h>
 
 #include <net/checksum.h>
 #include <net/ip.h>
@@ -137,6 +138,10 @@
 
 #define TG3_NUM_TEST		6
 
+#define FIRMWARE_TG3		"tigon/tg3.bin"
+#define FIRMWARE_TG3TSO		"tigon/tg3_tso.bin"
+#define FIRMWARE_TG3TSO5	"tigon/tg3_tso5.bin"
+
 static char version[] __devinitdata =
 	DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 
@@ -144,6 +149,10 @@
 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_MODULE_VERSION);
+MODULE_FIRMWARE(FIRMWARE_TG3);
+MODULE_FIRMWARE(FIRMWARE_TG3TSO);
+MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
+
 
 static int tg3_debug = -1;	/* -1 == use TG3_DEF_MSG_ENABLE as value */
 module_param(tg3_debug, int, 0);
@@ -6205,130 +6214,6 @@
 	return 0;
 }
 
-#define TG3_FW_RELEASE_MAJOR	0x0
-#define TG3_FW_RELASE_MINOR	0x0
-#define TG3_FW_RELEASE_FIX	0x0
-#define TG3_FW_START_ADDR	0x08000000
-#define TG3_FW_TEXT_ADDR	0x08000000
-#define TG3_FW_TEXT_LEN		0x9c0
-#define TG3_FW_RODATA_ADDR	0x080009c0
-#define TG3_FW_RODATA_LEN	0x60
-#define TG3_FW_DATA_ADDR	0x08000a40
-#define TG3_FW_DATA_LEN		0x20
-#define TG3_FW_SBSS_ADDR	0x08000a60
-#define TG3_FW_SBSS_LEN		0xc
-#define TG3_FW_BSS_ADDR		0x08000a70
-#define TG3_FW_BSS_LEN		0x10
-
-static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
-	0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
-	0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
-	0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
-	0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
-	0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
-	0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
-	0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
-	0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
-	0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
-	0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
-	0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
-	0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
-	0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
-	0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
-	0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
-	0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
-	0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
-	0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
-	0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
-	0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
-	0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
-	0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
-	0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0,
-	0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
-	0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
-	0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
-	0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
-	0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
-	0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
-	0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
-	0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
-	0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
-	0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
-	0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
-	0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
-	0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
-	0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
-	0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
-	0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
-	0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
-	0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
-	0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
-	0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
-	0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
-	0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
-	0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
-	0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
-	0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
-	0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
-	0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
-	0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
-	0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
-	0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
-	0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
-	0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
-	0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
-	0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
-	0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
-	0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
-	0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
-	0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
-	0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
-	0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
-	0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
-	0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
-	0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
-	0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
-	0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
-	0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
-	0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
-	0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
-	0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
-	0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
-	0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
-	0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
-	0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
-	0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
-	0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
-	0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
-	0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
-	0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
-	0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
-	0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
-	0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
-};
-
-static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
-	0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
-	0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
-	0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
-	0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
-	0x00000000
-};
-
-#if 0 /* All zeros, don't eat up space with it. */
-u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
-	0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-	0x00000000, 0x00000000, 0x00000000, 0x00000000
-};
-#endif
-
 #define RX_CPU_SCRATCH_BASE	0x30000
 #define RX_CPU_SCRATCH_SIZE	0x04000
 #define TX_CPU_SCRATCH_BASE	0x34000
@@ -6383,15 +6268,9 @@
 }
 
 struct fw_info {
-	unsigned int text_base;
-	unsigned int text_len;
-	const u32 *text_data;
-	unsigned int rodata_base;
-	unsigned int rodata_len;
-	const u32 *rodata_data;
-	unsigned int data_base;
-	unsigned int data_len;
-	const u32 *data_data;
+	unsigned int fw_base;
+	unsigned int fw_len;
+	const __be32 *fw_data;
 };
 
 /* tp->lock is held. */
@@ -6428,24 +6307,11 @@
 		write_op(tp, cpu_scratch_base + i, 0);
 	tw32(cpu_base + CPU_STATE, 0xffffffff);
 	tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
-	for (i = 0; i < (info->text_len / sizeof(u32)); i++)
+	for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
 		write_op(tp, (cpu_scratch_base +
-			      (info->text_base & 0xffff) +
+			      (info->fw_base & 0xffff) +
 			      (i * sizeof(u32))),
-			 (info->text_data ?
-			  info->text_data[i] : 0));
-	for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
-		write_op(tp, (cpu_scratch_base +
-			      (info->rodata_base & 0xffff) +
-			      (i * sizeof(u32))),
-			 (info->rodata_data ?
-			  info->rodata_data[i] : 0));
-	for (i = 0; i < (info->data_len / sizeof(u32)); i++)
-		write_op(tp, (cpu_scratch_base +
-			      (info->data_base & 0xffff) +
-			      (i * sizeof(u32))),
-			 (info->data_data ?
-			  info->data_data[i] : 0));
+			      be32_to_cpu(info->fw_data[i]));
 
 	err = 0;
 
@@ -6457,17 +6323,20 @@
 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
 {
 	struct fw_info info;
+	const __be32 *fw_data;
 	int err, i;
 
-	info.text_base = TG3_FW_TEXT_ADDR;
-	info.text_len = TG3_FW_TEXT_LEN;
-	info.text_data = &tg3FwText[0];
-	info.rodata_base = TG3_FW_RODATA_ADDR;
-	info.rodata_len = TG3_FW_RODATA_LEN;
-	info.rodata_data = &tg3FwRodata[0];
-	info.data_base = TG3_FW_DATA_ADDR;
-	info.data_len = TG3_FW_DATA_LEN;
-	info.data_data = NULL;
+	fw_data = (void *)tp->fw->data;
+
+	/* Firmware blob starts with version numbers, followed by
+	   start address and length. We are setting complete length.
+	   length = end_address_of_bss - start_address_of_text.
+	   Remainder is the blob to be loaded contiguously
+	   from start address. */
+
+	info.fw_base = be32_to_cpu(fw_data[1]);
+	info.fw_len = tp->fw->size - 12;
+	info.fw_data = &fw_data[3];
 
 	err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
 				    RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
@@ -6483,21 +6352,21 @@
 
 	/* Now startup only the RX cpu. */
 	tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
-	tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
+	tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
 
 	for (i = 0; i < 5; i++) {
-		if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
+		if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
 			break;
 		tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
 		tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
-		tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
+		tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
 		udelay(1000);
 	}
 	if (i >= 5) {
 		printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
 		       "to set RX CPU PC, is %08x should be %08x\n",
 		       tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
-		       TG3_FW_TEXT_ADDR);
+		       info.fw_base);
 		return -ENODEV;
 	}
 	tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
@@ -6506,547 +6375,36 @@
 	return 0;
 }
 
-
-#define TG3_TSO_FW_RELEASE_MAJOR	0x1
-#define TG3_TSO_FW_RELASE_MINOR		0x6
-#define TG3_TSO_FW_RELEASE_FIX		0x0
-#define TG3_TSO_FW_START_ADDR		0x08000000
-#define TG3_TSO_FW_TEXT_ADDR		0x08000000
-#define TG3_TSO_FW_TEXT_LEN		0x1aa0
-#define TG3_TSO_FW_RODATA_ADDR		0x08001aa0
-#define TG3_TSO_FW_RODATA_LEN		0x60
-#define TG3_TSO_FW_DATA_ADDR		0x08001b20
-#define TG3_TSO_FW_DATA_LEN		0x30
-#define TG3_TSO_FW_SBSS_ADDR		0x08001b50
-#define TG3_TSO_FW_SBSS_LEN		0x2c
-#define TG3_TSO_FW_BSS_ADDR		0x08001b80
-#define TG3_TSO_FW_BSS_LEN		0x894
-
-static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
-	0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
-	0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
-	0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
-	0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
-	0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
-	0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
-	0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
-	0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
-	0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
-	0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
-	0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
-	0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
-	0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
-	0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
-	0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
-	0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
-	0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
-	0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
-	0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
-	0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
-	0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
-	0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
-	0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
-	0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
-	0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
-	0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
-	0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
-	0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
-	0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
-	0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
-	0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
-	0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
-	0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
-	0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
-	0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
-	0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
-	0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
-	0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
-	0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
-	0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
-	0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
-	0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
-	0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
-	0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
-	0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
-	0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
-	0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
-	0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
-	0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
-	0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
-	0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
-	0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
-	0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
-	0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
-	0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
-	0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
-	0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
-	0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
-	0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
-	0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
-	0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
-	0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
-	0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
-	0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
-	0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
-	0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
-	0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
-	0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
-	0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
-	0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
-	0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
-	0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
-	0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
-	0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
-	0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
-	0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
-	0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
-	0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
-	0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
-	0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
-	0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
-	0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
-	0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
-	0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
-	0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
-	0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
-	0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
-	0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
-	0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
-	0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
-	0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
-	0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
-	0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
-	0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
-	0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
-	0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
-	0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
-	0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
-	0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
-	0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
-	0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
-	0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
-	0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
-	0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
-	0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
-	0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
-	0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
-	0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
-	0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
-	0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
-	0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
-	0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
-	0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
-	0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
-	0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
-	0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
-	0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
-	0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
-	0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
-	0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
-	0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
-	0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
-	0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
-	0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
-	0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
-	0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
-	0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
-	0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
-	0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
-	0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
-	0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
-	0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
-	0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
-	0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
-	0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
-	0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
-	0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
-	0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
-	0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
-	0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
-	0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
-	0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
-	0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
-	0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
-	0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
-	0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
-	0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
-	0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
-	0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
-	0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
-	0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
-	0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
-	0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
-	0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
-	0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
-	0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
-	0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
-	0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
-	0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
-	0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
-	0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
-	0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
-	0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
-	0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
-	0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
-	0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
-	0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
-	0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
-	0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
-	0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
-	0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
-	0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
-	0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
-	0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
-	0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
-	0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
-	0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
-	0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
-	0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
-	0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
-	0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
-	0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
-	0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
-	0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
-	0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
-	0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
-	0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
-	0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
-	0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
-	0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
-	0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
-	0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
-	0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
-	0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
-	0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
-	0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
-	0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
-	0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
-	0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
-	0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
-	0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
-	0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
-	0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
-	0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
-	0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
-	0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
-	0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
-	0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
-	0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
-	0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
-	0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
-	0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
-	0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
-	0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
-	0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
-	0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
-	0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
-	0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
-	0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
-	0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
-	0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
-	0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
-	0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
-	0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
-	0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
-	0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
-	0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
-	0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
-	0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
-	0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
-	0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
-	0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
-	0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
-	0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
-	0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
-	0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
-	0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
-	0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
-	0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
-	0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
-	0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
-	0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
-	0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
-	0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
-	0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
-	0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
-	0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
-	0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
-	0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
-	0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
-	0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
-	0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
-	0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
-	0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
-	0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
-	0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
-	0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
-	0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
-	0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
-	0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
-	0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
-	0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
-	0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
-	0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
-	0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
-	0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
-	0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
-	0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
-	0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
-	0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
-	0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
-	0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
-	0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
-	0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
-	0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
-	0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
-	0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
-	0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
-	0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
-	0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
-	0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
-	0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
-	0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
-	0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
-};
-
-static const u32 tg3TsoFwRodata[] = {
-	0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
-	0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
-	0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
-	0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
-	0x00000000,
-};
-
-static const u32 tg3TsoFwData[] = {
-	0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
-	0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-	0x00000000,
-};
-
 /* 5705 needs a special version of the TSO firmware.  */
-#define TG3_TSO5_FW_RELEASE_MAJOR	0x1
-#define TG3_TSO5_FW_RELASE_MINOR	0x2
-#define TG3_TSO5_FW_RELEASE_FIX		0x0
-#define TG3_TSO5_FW_START_ADDR		0x00010000
-#define TG3_TSO5_FW_TEXT_ADDR		0x00010000
-#define TG3_TSO5_FW_TEXT_LEN		0xe90
-#define TG3_TSO5_FW_RODATA_ADDR		0x00010e90
-#define TG3_TSO5_FW_RODATA_LEN		0x50
-#define TG3_TSO5_FW_DATA_ADDR		0x00010f00
-#define TG3_TSO5_FW_DATA_LEN		0x20
-#define TG3_TSO5_FW_SBSS_ADDR		0x00010f20
-#define TG3_TSO5_FW_SBSS_LEN		0x28
-#define TG3_TSO5_FW_BSS_ADDR		0x00010f50
-#define TG3_TSO5_FW_BSS_LEN		0x88
-
-static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
-	0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
-	0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
-	0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
-	0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
-	0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
-	0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
-	0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
-	0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
-	0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
-	0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
-	0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
-	0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
-	0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
-	0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
-	0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
-	0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
-	0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
-	0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
-	0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
-	0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
-	0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
-	0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
-	0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
-	0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
-	0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
-	0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
-	0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
-	0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
-	0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
-	0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
-	0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
-	0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
-	0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
-	0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
-	0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
-	0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
-	0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
-	0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
-	0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
-	0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
-	0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
-	0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
-	0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
-	0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
-	0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
-	0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
-	0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
-	0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
-	0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
-	0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
-	0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
-	0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
-	0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
-	0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
-	0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
-	0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
-	0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
-	0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
-	0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
-	0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
-	0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
-	0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
-	0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
-	0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
-	0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
-	0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
-	0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
-	0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
-	0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
-	0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
-	0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
-	0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
-	0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
-	0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
-	0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
-	0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
-	0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
-	0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
-	0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
-	0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
-	0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
-	0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
-	0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
-	0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
-	0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
-	0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
-	0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
-	0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
-	0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
-	0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
-	0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
-	0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
-	0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
-	0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
-	0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
-	0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
-	0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
-	0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
-	0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
-	0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
-	0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
-	0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
-	0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
-	0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
-	0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
-	0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
-	0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
-	0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
-	0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
-	0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
-	0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
-	0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
-	0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
-	0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
-	0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
-	0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
-	0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
-	0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
-	0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
-	0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
-	0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
-	0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
-	0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
-	0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
-	0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
-	0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
-	0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
-	0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
-	0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
-	0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
-	0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
-	0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
-	0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
-	0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
-	0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
-	0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
-	0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
-	0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
-	0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
-	0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
-	0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
-	0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
-	0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
-	0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
-	0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
-	0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
-	0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
-	0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
-	0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
-	0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
-	0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
-	0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
-	0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
-	0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
-	0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
-	0x00000000, 0x00000000, 0x00000000,
-};
-
-static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
-	0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
-	0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
-	0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
-	0x00000000, 0x00000000, 0x00000000,
-};
-
-static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
-	0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
-	0x00000000, 0x00000000, 0x00000000,
-};
 
 /* tp->lock is held. */
 static int tg3_load_tso_firmware(struct tg3 *tp)
 {
 	struct fw_info info;
+	const __be32 *fw_data;
 	unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
 	int err, i;
 
 	if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
 		return 0;
 
+	fw_data = (void *)tp->fw->data;
+
+	/* Firmware blob starts with version numbers, followed by
+	   start address and length. We are setting complete length.
+	   length = end_address_of_bss - start_address_of_text.
+	   Remainder is the blob to be loaded contiguously
+	   from start address. */
+
+	info.fw_base = be32_to_cpu(fw_data[1]);
+	cpu_scratch_size = tp->fw_len;
+	info.fw_len = tp->fw->size - 12;
+	info.fw_data = &fw_data[3];
+
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
-		info.text_base = TG3_TSO5_FW_TEXT_ADDR;
-		info.text_len = TG3_TSO5_FW_TEXT_LEN;
-		info.text_data = &tg3Tso5FwText[0];
-		info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
-		info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
-		info.rodata_data = &tg3Tso5FwRodata[0];
-		info.data_base = TG3_TSO5_FW_DATA_ADDR;
-		info.data_len = TG3_TSO5_FW_DATA_LEN;
-		info.data_data = &tg3Tso5FwData[0];
 		cpu_base = RX_CPU_BASE;
 		cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
-		cpu_scratch_size = (info.text_len +
-				    info.rodata_len +
-				    info.data_len +
-				    TG3_TSO5_FW_SBSS_LEN +
-				    TG3_TSO5_FW_BSS_LEN);
 	} else {
-		info.text_base = TG3_TSO_FW_TEXT_ADDR;
-		info.text_len = TG3_TSO_FW_TEXT_LEN;
-		info.text_data = &tg3TsoFwText[0];
-		info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
-		info.rodata_len = TG3_TSO_FW_RODATA_LEN;
-		info.rodata_data = &tg3TsoFwRodata[0];
-		info.data_base = TG3_TSO_FW_DATA_ADDR;
-		info.data_len = TG3_TSO_FW_DATA_LEN;
-		info.data_data = &tg3TsoFwData[0];
 		cpu_base = TX_CPU_BASE;
 		cpu_scratch_base = TX_CPU_SCRATCH_BASE;
 		cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
@@ -7060,21 +6418,21 @@
 
 	/* Now startup the cpu. */
 	tw32(cpu_base + CPU_STATE, 0xffffffff);
-	tw32_f(cpu_base + CPU_PC,    info.text_base);
+	tw32_f(cpu_base + CPU_PC, info.fw_base);
 
 	for (i = 0; i < 5; i++) {
-		if (tr32(cpu_base + CPU_PC) == info.text_base)
+		if (tr32(cpu_base + CPU_PC) == info.fw_base)
 			break;
 		tw32(cpu_base + CPU_STATE, 0xffffffff);
 		tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
-		tw32_f(cpu_base + CPU_PC,    info.text_base);
+		tw32_f(cpu_base + CPU_PC, info.fw_base);
 		udelay(1000);
 	}
 	if (i >= 5) {
 		printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
 		       "to set CPU PC, is %08x should be %08x\n",
 		       tp->dev->name, tr32(cpu_base + CPU_PC),
-		       info.text_base);
+		       info.fw_base);
 		return -ENODEV;
 	}
 	tw32(cpu_base + CPU_STATE, 0xffffffff);
@@ -7299,11 +6657,7 @@
 	else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
 		int fw_len;
 
-		fw_len = (TG3_TSO5_FW_TEXT_LEN +
-			  TG3_TSO5_FW_RODATA_LEN +
-			  TG3_TSO5_FW_DATA_LEN +
-			  TG3_TSO5_FW_SBSS_LEN +
-			  TG3_TSO5_FW_BSS_LEN);
+		fw_len = tp->fw_len;
 		fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
 		tw32(BUFMGR_MB_POOL_ADDR,
 		     NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
@@ -13580,6 +12934,7 @@
 	struct net_device *dev;
 	struct tg3 *tp;
 	int err, pm_cap;
+	const char *fw_name = NULL;
 	char str[40];
 	u64 dma_mask, persist_dma_mask;
 
@@ -13735,6 +13090,9 @@
 
 	tg3_init_bufmgr_config(tp);
 
+	if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
+		fw_name = FIRMWARE_TG3;
+
 	if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
 		tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
 	}
@@ -13747,6 +13105,37 @@
 	} else {
 		tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
 	}
+	if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
+			fw_name = FIRMWARE_TG3TSO5;
+		else
+			fw_name = FIRMWARE_TG3TSO;
+	}
+
+	if (fw_name) {
+		const __be32 *fw_data;
+
+		err = request_firmware(&tp->fw, fw_name, &tp->pdev->dev);
+		if (err) {
+			printk(KERN_ERR "tg3: Failed to load firmware \"%s\"\n",
+			       fw_name);
+			goto err_out_iounmap;
+		}
+
+		fw_data = (void *)tp->fw->data;
+
+		/* Firmware blob starts with version numbers, followed by
+		   start address and _full_ length including BSS sections
+		   (which must be longer than the actual data, of course */
+
+		tp->fw_len = be32_to_cpu(fw_data[2]);	/* includes bss */
+		if (tp->fw_len < (tp->fw->size - 12)) {
+			printk(KERN_ERR "tg3: bogus length %d in \"%s\"\n",
+			       tp->fw_len, fw_name);
+			err = -EINVAL;
+			goto err_out_fw;
+		}
+	}
 
 	/* TSO is on by default on chips that support hardware TSO.
 	 * Firmware TSO on older chips gives lower performance, so it
@@ -13778,7 +13167,7 @@
 	if (err) {
 		printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
 		       "aborting.\n");
-		goto err_out_iounmap;
+		goto err_out_fw;
 	}
 
 	if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
@@ -13787,7 +13176,7 @@
 			printk(KERN_ERR PFX "Cannot map APE registers, "
 			       "aborting.\n");
 			err = -ENOMEM;
-			goto err_out_iounmap;
+			goto err_out_fw;
 		}
 
 		tg3_ape_lock_init(tp);
@@ -13867,6 +13256,10 @@
 		tp->aperegs = NULL;
 	}
 
+err_out_fw:
+	if (tp->fw)
+		release_firmware(tp->fw);
+
 err_out_iounmap:
 	if (tp->regs) {
 		iounmap(tp->regs);
@@ -13892,6 +13285,9 @@
 	if (dev) {
 		struct tg3 *tp = netdev_priv(dev);
 
+		if (tp->fw)
+			release_firmware(tp->fw);
+
 		flush_scheduled_work();
 
 		if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 8936edf..ae5da60 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2762,6 +2762,10 @@
 #define SST_25VF0X0_PAGE_SIZE		4098
 
 	struct ethtool_coalesce		coal;
+
+	/* firmware info */
+	const struct firmware		*fw;
+	u32				fw_len; /* includes BSS */
 };
 
 #endif /* !(_T3_H) */
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 69f9a0e..d7b81e4 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -213,7 +213,7 @@
 
 /* Network device part of the driver */
 
-static unsigned int tun_net_id;
+static int tun_net_id;
 struct tun_net {
 	struct list_head dev_list;
 };
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index ddc4c59..b7e4cee 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -29,9 +29,6 @@
 
 	if (inode) {
 		inode->i_mode = mode;
-		inode->i_uid = 0;
-		inode->i_gid = 0;
-		inode->i_blocks = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	}
 	return inode;
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 123092d..165a818 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -102,9 +102,13 @@
 	depends on RTC_INTF_DEV
 	help
 	  Provides an emulation for RTC_UIE if the underlying rtc chip
-	  driver does not expose RTC_UIE ioctls.  Those requests generate
+	  driver does not expose RTC_UIE ioctls. Those requests generate
 	  once-per-second update interrupts, used for synchronization.
 
+	  The emulation code will read the time from the hardware
+	  clock several times per second, please enable this option
+	  only if you know that you really need it.
+
 config RTC_DRV_TEST
 	tristate "Test driver/device"
 	help
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index a04c1b6..fd2c652 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -307,6 +307,60 @@
 }
 EXPORT_SYMBOL_GPL(rtc_set_alarm);
 
+int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled)
+{
+	int err = mutex_lock_interruptible(&rtc->ops_lock);
+	if (err)
+		return err;
+
+	if (!rtc->ops)
+		err = -ENODEV;
+	else if (!rtc->ops->alarm_irq_enable)
+		err = -EINVAL;
+	else
+		err = rtc->ops->alarm_irq_enable(rtc->dev.parent, enabled);
+
+	mutex_unlock(&rtc->ops_lock);
+	return err;
+}
+EXPORT_SYMBOL_GPL(rtc_alarm_irq_enable);
+
+int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled)
+{
+	int err = mutex_lock_interruptible(&rtc->ops_lock);
+	if (err)
+		return err;
+
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+	if (enabled == 0 && rtc->uie_irq_active) {
+		mutex_unlock(&rtc->ops_lock);
+		return rtc_dev_update_irq_enable_emul(rtc, enabled);
+	}
+#endif
+
+	if (!rtc->ops)
+		err = -ENODEV;
+	else if (!rtc->ops->update_irq_enable)
+		err = -EINVAL;
+	else
+		err = rtc->ops->update_irq_enable(rtc->dev.parent, enabled);
+
+	mutex_unlock(&rtc->ops_lock);
+
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+	/*
+	 * Enable emulation if the driver did not provide
+	 * the update_irq_enable function pointer or if returned
+	 * -EINVAL to signal that it has been configured without
+	 * interrupts or that are not available at the moment.
+	 */
+	if (err == -EINVAL)
+		err = rtc_dev_update_irq_enable_emul(rtc, enabled);
+#endif
+	return err;
+}
+EXPORT_SYMBOL_GPL(rtc_update_irq_enable);
+
 /**
  * rtc_update_irq - report RTC periodic, alarm, and/or update irqs
  * @rtc: the rtc device
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index ecdea44..45152f4 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -92,10 +92,10 @@
 	spin_unlock_irqrestore(&rtc->irq_lock, flags);
 }
 
-static void clear_uie(struct rtc_device *rtc)
+static int clear_uie(struct rtc_device *rtc)
 {
 	spin_lock_irq(&rtc->irq_lock);
-	if (rtc->irq_active) {
+	if (rtc->uie_irq_active) {
 		rtc->stop_uie_polling = 1;
 		if (rtc->uie_timer_active) {
 			spin_unlock_irq(&rtc->irq_lock);
@@ -108,9 +108,10 @@
 			flush_scheduled_work();
 			spin_lock_irq(&rtc->irq_lock);
 		}
-		rtc->irq_active = 0;
+		rtc->uie_irq_active = 0;
 	}
 	spin_unlock_irq(&rtc->irq_lock);
+	return 0;
 }
 
 static int set_uie(struct rtc_device *rtc)
@@ -122,8 +123,8 @@
 	if (err)
 		return err;
 	spin_lock_irq(&rtc->irq_lock);
-	if (!rtc->irq_active) {
-		rtc->irq_active = 1;
+	if (!rtc->uie_irq_active) {
+		rtc->uie_irq_active = 1;
 		rtc->stop_uie_polling = 0;
 		rtc->oldsecs = tm.tm_sec;
 		rtc->uie_task_active = 1;
@@ -134,6 +135,16 @@
 	spin_unlock_irq(&rtc->irq_lock);
 	return 0;
 }
+
+int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc, unsigned int enabled)
+{
+	if (enabled)
+		return set_uie(rtc);
+	else
+		return clear_uie(rtc);
+}
+EXPORT_SYMBOL(rtc_dev_update_irq_enable_emul);
+
 #endif /* CONFIG_RTC_INTF_DEV_UIE_EMUL */
 
 static ssize_t
@@ -357,6 +368,22 @@
 		err = rtc_irq_set_state(rtc, NULL, 0);
 		break;
 
+	case RTC_AIE_ON:
+		mutex_unlock(&rtc->ops_lock);
+		return rtc_alarm_irq_enable(rtc, 1);
+
+	case RTC_AIE_OFF:
+		mutex_unlock(&rtc->ops_lock);
+		return rtc_alarm_irq_enable(rtc, 0);
+
+	case RTC_UIE_ON:
+		mutex_unlock(&rtc->ops_lock);
+		return rtc_update_irq_enable(rtc, 1);
+
+	case RTC_UIE_OFF:
+		mutex_unlock(&rtc->ops_lock);
+		return rtc_update_irq_enable(rtc, 0);
+
 	case RTC_IRQP_SET:
 		err = rtc_irq_set_freq(rtc, NULL, arg);
 		break;
@@ -401,17 +428,6 @@
 			err = -EFAULT;
 		return err;
 
-#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
-	case RTC_UIE_OFF:
-		mutex_unlock(&rtc->ops_lock);
-		clear_uie(rtc);
-		return 0;
-
-	case RTC_UIE_ON:
-		mutex_unlock(&rtc->ops_lock);
-		err = set_uie(rtc);
-		return err;
-#endif
 	default:
 		err = -ENOTTY;
 		break;
@@ -440,7 +456,10 @@
 	 * Leave the alarm alone; it may be set to trigger a system wakeup
 	 * later, or be used by kernel code, and is a one-shot event anyway.
 	 */
+
+	/* Keep ioctl until all drivers are converted */
 	rtc_dev_ioctl(file, RTC_UIE_OFF, 0);
+	rtc_update_irq_enable(rtc, 0);
 	rtc_irq_set_state(rtc, NULL, 0);
 
 	if (rtc->ops->release)
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index d5ccce1..e0c4557 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -643,7 +643,6 @@
 	int macaddr_mode;
 	int fake_broadcast;
 	int add_hhlen;
-	int fake_ll;
 	int layer2;
 	enum qeth_large_send_types large_send;
 	int performance_stats;
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index e783644..6811dd5 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -287,8 +287,15 @@
 	card->options.large_send = type;
 	switch (card->options.large_send) {
 	case QETH_LARGE_SEND_EDDP:
-		card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
+		if (card->info.type != QETH_CARD_TYPE_IQD) {
+			card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
 					NETIF_F_HW_CSUM;
+		} else {
+			card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
+						NETIF_F_HW_CSUM);
+			card->options.large_send = QETH_LARGE_SEND_NO;
+			rc = -EOPNOTSUPP;
+		}
 		break;
 	case QETH_LARGE_SEND_TSO:
 		if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
@@ -572,6 +579,10 @@
 	card = CARD_FROM_CDEV(channel->ccwdev);
 	if (qeth_check_idx_response(iob->data)) {
 		qeth_clear_ipacmd_list(card);
+		if (((iob->data[2] & 0xc0) == 0xc0) && iob->data[4] == 0xf6)
+			dev_err(&card->gdev->dev,
+				"The qeth device is not configured "
+				"for the OSI layer required by z/VM\n");
 		qeth_schedule_recovery(card);
 		goto out;
 	}
@@ -1072,7 +1083,6 @@
 	card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
 	card->options.fake_broadcast = 0;
 	card->options.add_hhlen = DEFAULT_ADD_HHLEN;
-	card->options.fake_ll = 0;
 	card->options.performance_stats = 0;
 	card->options.rx_sg_cb = QETH_RX_SG_CB;
 }
@@ -1682,6 +1692,7 @@
 	unsigned long flags;
 	struct qeth_reply *reply = NULL;
 	unsigned long timeout;
+	struct qeth_ipa_cmd *cmd;
 
 	QETH_DBF_TEXT(TRACE, 2, "sendctl");
 
@@ -1728,17 +1739,34 @@
 		wake_up(&card->wait_q);
 		return rc;
 	}
-	while (!atomic_read(&reply->received)) {
-		if (time_after(jiffies, timeout)) {
-			spin_lock_irqsave(&reply->card->lock, flags);
-			list_del_init(&reply->list);
-			spin_unlock_irqrestore(&reply->card->lock, flags);
-			reply->rc = -ETIME;
-			atomic_inc(&reply->received);
-			wake_up(&reply->wait_q);
-		}
-		cpu_relax();
-	};
+
+	/* we have only one long running ipassist, since we can ensure
+	   process context of this command we can sleep */
+	cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+	if ((cmd->hdr.command == IPA_CMD_SETIP) &&
+	    (cmd->hdr.prot_version == QETH_PROT_IPV4)) {
+		if (!wait_event_timeout(reply->wait_q,
+		    atomic_read(&reply->received), timeout))
+			goto time_err;
+	} else {
+		while (!atomic_read(&reply->received)) {
+			if (time_after(jiffies, timeout))
+				goto time_err;
+			cpu_relax();
+		};
+	}
+
+	rc = reply->rc;
+	qeth_put_reply(reply);
+	return rc;
+
+time_err:
+	spin_lock_irqsave(&reply->card->lock, flags);
+	list_del_init(&reply->list);
+	spin_unlock_irqrestore(&reply->card->lock, flags);
+	reply->rc = -ETIME;
+	atomic_inc(&reply->received);
+	wake_up(&reply->wait_q);
 	rc = reply->rc;
 	qeth_put_reply(reply);
 	return rc;
@@ -2250,7 +2278,8 @@
 		}
 		/* fallthrough */
 	case QETH_CARD_TYPE_IQD:
-		if (card->info.guestlan) {
+		if ((card->info.guestlan) ||
+		    (card->info.mcl_level[0] & 0x80)) {
 			card->info.mcl_level[0] = (char) _ebcasc[(__u8)
 				card->info.mcl_level[0]];
 			card->info.mcl_level[1] = (char) _ebcasc[(__u8)
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 2c48591..21627ba 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1126,9 +1126,11 @@
 		dev_info(&card->gdev->dev,
 			"Device successfully recovered!\n");
 	else {
-		rtnl_lock();
-		dev_close(card->dev);
-		rtnl_unlock();
+		if (card->dev) {
+			rtnl_lock();
+			dev_close(card->dev);
+			rtnl_unlock();
+		}
 		dev_warn(&card->gdev->dev, "The qeth device driver "
 			"failed to recover an error on the device\n");
 	}
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index c0b30b2..cfda1ec 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1047,7 +1047,7 @@
 		rc = qeth_setadpparms_change_macaddr(card);
 		if (rc)
 			dev_warn(&card->gdev->dev, "Reading the adapter MAC"
-				" address failed\n", rc);
+				" address failed\n");
 	}
 
 	if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
@@ -1207,12 +1207,9 @@
 
 	QETH_DBF_TEXT(TRACE, 3, "stsrcmac");
 
-	if (!card->options.fake_ll)
-		return -EOPNOTSUPP;
-
 	if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
 		dev_info(&card->gdev->dev,
-			"Inbound source address not supported on %s\n",
+			"Inbound source MAC-address not supported on %s\n",
 			QETH_CARD_IFNAME(card));
 		return -EOPNOTSUPP;
 	}
@@ -1221,7 +1218,7 @@
 					  IPA_CMD_ASS_START, 0);
 	if (rc)
 		dev_warn(&card->gdev->dev,
-			"Starting proxy ARP support for %s failed\n",
+			"Starting source MAC-address support for %s failed\n",
 			QETH_CARD_IFNAME(card));
 	return rc;
 }
@@ -1921,8 +1918,13 @@
 			memcpy(tg_addr, card->dev->dev_addr,
 				card->dev->addr_len);
 		}
-		card->dev->header_ops->create(skb, card->dev, prot, tg_addr,
-					      "FAKELL", card->dev->addr_len);
+		if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
+			card->dev->header_ops->create(skb, card->dev, prot,
+				tg_addr, &hdr->hdr.l3.dest_addr[2],
+				card->dev->addr_len);
+		else
+			card->dev->header_ops->create(skb, card->dev, prot,
+				tg_addr, "FAKELL", card->dev->addr_len);
 	}
 
 #ifdef CONFIG_TR
@@ -2080,9 +2082,11 @@
 		if (recovery_mode)
 			qeth_l3_stop(card->dev);
 		else {
-			rtnl_lock();
-			dev_close(card->dev);
-			rtnl_unlock();
+			if (card->dev) {
+				rtnl_lock();
+				dev_close(card->dev);
+				rtnl_unlock();
+			}
 		}
 		if (!card->use_hard_stop) {
 			rc = qeth_send_stoplan(card);
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 185be76..2a129cb 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -279,7 +279,6 @@
 		inode->i_mode = mode;
 		inode->i_uid = current_fsuid();
 		inode->i_gid = current_fsgid();
-		inode->i_blocks = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 		switch (mode & S_IFMT) {
 		default:
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index c4e62a6..2e71368 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -1863,26 +1863,10 @@
 static int fsync_sub(struct lun *curlun)
 {
 	struct file	*filp = curlun->filp;
-	struct inode	*inode;
-	int		rc, err;
 
 	if (curlun->ro || !filp)
 		return 0;
-	if (!filp->f_op->fsync)
-		return -EINVAL;
-
-	inode = filp->f_path.dentry->d_inode;
-	mutex_lock(&inode->i_mutex);
-	rc = filemap_fdatawrite(inode->i_mapping);
-	err = filp->f_op->fsync(filp, filp->f_path.dentry, 1);
-	if (!rc)
-		rc = err;
-	err = filemap_fdatawait(inode->i_mapping);
-	if (!rc)
-		rc = err;
-	mutex_unlock(&inode->i_mutex);
-	VLDBG(curlun, "fdatasync -> %d\n", rc);
-	return rc;
+	return vfs_fsync(filp, filp->f_path.dentry, 1);
 }
 
 static void fsync_all(struct fsg_dev *fsg)
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index eeb26c0..317b48f 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -2001,7 +2001,6 @@
 		inode->i_mode = mode;
 		inode->i_uid = default_uid;
 		inode->i_gid = default_gid;
-		inode->i_blocks = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime
 				= CURRENT_TIME;
 		inode->i_private = data;
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 73ac754..e21fe5b 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -546,23 +546,25 @@
 
 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 {
-	struct viafb_ioctl_mode viamode;
-	struct viafb_ioctl_samm viasamm;
-	struct viafb_driver_version driver_version;
-	struct fb_var_screeninfo sec_var;
-	struct _panel_size_pos_info panel_pos_size_para;
+	union {
+		struct viafb_ioctl_mode viamode;
+		struct viafb_ioctl_samm viasamm;
+		struct viafb_driver_version driver_version;
+		struct fb_var_screeninfo sec_var;
+		struct _panel_size_pos_info panel_pos_size_para;
+		struct viafb_ioctl_setting viafb_setting;
+		struct device_t active_dev;
+	} u;
 	u32 state_info = 0;
-	u32 viainfo_size = sizeof(struct viafb_ioctl_info);
 	u32 *viafb_gamma_table;
 	char driver_name[] = "viafb";
 
 	u32 __user *argp = (u32 __user *) arg;
 	u32 gpu32;
 	u32 video_dev_info = 0;
-	struct viafb_ioctl_setting viafb_setting = {};
-	struct device_t active_dev = {};
 
 	DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
+	memset(&u, 0, sizeof(u));
 
 	switch (cmd) {
 	case VIAFB_GET_CHIP_INFO:
@@ -571,7 +573,7 @@
 			return -EFAULT;
 		break;
 	case VIAFB_GET_INFO_SIZE:
-		return put_user(viainfo_size, argp);
+		return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
 	case VIAFB_GET_INFO:
 		return viafb_ioctl_get_viafb_info(arg);
 	case VIAFB_HOTPLUG:
@@ -584,60 +586,60 @@
 		viafb_hotplug = (gpu32) ? 1 : 0;
 		break;
 	case VIAFB_GET_RESOLUTION:
-		viamode.xres = (u32) viafb_hotplug_Xres;
-		viamode.yres = (u32) viafb_hotplug_Yres;
-		viamode.refresh = (u32) viafb_hotplug_refresh;
-		viamode.bpp = (u32) viafb_hotplug_bpp;
+		u.viamode.xres = (u32) viafb_hotplug_Xres;
+		u.viamode.yres = (u32) viafb_hotplug_Yres;
+		u.viamode.refresh = (u32) viafb_hotplug_refresh;
+		u.viamode.bpp = (u32) viafb_hotplug_bpp;
 		if (viafb_SAMM_ON == 1) {
-			viamode.xres_sec = viafb_second_xres;
-			viamode.yres_sec = viafb_second_yres;
-			viamode.virtual_xres_sec = viafb_second_virtual_xres;
-			viamode.virtual_yres_sec = viafb_second_virtual_yres;
-			viamode.refresh_sec = viafb_refresh1;
-			viamode.bpp_sec = viafb_bpp1;
+			u.viamode.xres_sec = viafb_second_xres;
+			u.viamode.yres_sec = viafb_second_yres;
+			u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
+			u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
+			u.viamode.refresh_sec = viafb_refresh1;
+			u.viamode.bpp_sec = viafb_bpp1;
 		} else {
-			viamode.xres_sec = 0;
-			viamode.yres_sec = 0;
-			viamode.virtual_xres_sec = 0;
-			viamode.virtual_yres_sec = 0;
-			viamode.refresh_sec = 0;
-			viamode.bpp_sec = 0;
+			u.viamode.xres_sec = 0;
+			u.viamode.yres_sec = 0;
+			u.viamode.virtual_xres_sec = 0;
+			u.viamode.virtual_yres_sec = 0;
+			u.viamode.refresh_sec = 0;
+			u.viamode.bpp_sec = 0;
 		}
-		if (copy_to_user(argp, &viamode, sizeof(viamode)))
+		if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
 			return -EFAULT;
 		break;
 	case VIAFB_GET_SAMM_INFO:
-		viasamm.samm_status = viafb_SAMM_ON;
+		u.viasamm.samm_status = viafb_SAMM_ON;
 
 		if (viafb_SAMM_ON == 1) {
 			if (viafb_dual_fb) {
-				viasamm.size_prim = viaparinfo->fbmem_free;
-				viasamm.size_sec = viaparinfo1->fbmem_free;
+				u.viasamm.size_prim = viaparinfo->fbmem_free;
+				u.viasamm.size_sec = viaparinfo1->fbmem_free;
 			} else {
 				if (viafb_second_size) {
-					viasamm.size_prim =
+					u.viasamm.size_prim =
 					    viaparinfo->fbmem_free -
 					    viafb_second_size * 1024 * 1024;
-					viasamm.size_sec =
+					u.viasamm.size_sec =
 					    viafb_second_size * 1024 * 1024;
 				} else {
-					viasamm.size_prim =
+					u.viasamm.size_prim =
 					    viaparinfo->fbmem_free >> 1;
-					viasamm.size_sec =
+					u.viasamm.size_sec =
 					    (viaparinfo->fbmem_free >> 1);
 				}
 			}
-			viasamm.mem_base = viaparinfo->fbmem;
-			viasamm.offset_sec = viafb_second_offset;
+			u.viasamm.mem_base = viaparinfo->fbmem;
+			u.viasamm.offset_sec = viafb_second_offset;
 		} else {
-			viasamm.size_prim =
+			u.viasamm.size_prim =
 			    viaparinfo->memsize - viaparinfo->fbmem_used;
-			viasamm.size_sec = 0;
-			viasamm.mem_base = viaparinfo->fbmem;
-			viasamm.offset_sec = 0;
+			u.viasamm.size_sec = 0;
+			u.viasamm.mem_base = viaparinfo->fbmem;
+			u.viasamm.offset_sec = 0;
 		}
 
-		if (copy_to_user(argp, &viasamm, sizeof(viasamm)))
+		if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
 			return -EFAULT;
 
 		break;
@@ -662,74 +664,75 @@
 			viafb_lcd_disable();
 		break;
 	case VIAFB_SET_DEVICE:
-		if (copy_from_user(&active_dev, (void *)argp,
-			sizeof(active_dev)))
+		if (copy_from_user(&u.active_dev, (void *)argp,
+			sizeof(u.active_dev)))
 			return -EFAULT;
-		viafb_set_device(active_dev);
+		viafb_set_device(u.active_dev);
 		viafb_set_par(info);
 		break;
 	case VIAFB_GET_DEVICE:
-		active_dev.crt = viafb_CRT_ON;
-		active_dev.dvi = viafb_DVI_ON;
-		active_dev.lcd = viafb_LCD_ON;
-		active_dev.samm = viafb_SAMM_ON;
-		active_dev.primary_dev = viafb_primary_dev;
+		u.active_dev.crt = viafb_CRT_ON;
+		u.active_dev.dvi = viafb_DVI_ON;
+		u.active_dev.lcd = viafb_LCD_ON;
+		u.active_dev.samm = viafb_SAMM_ON;
+		u.active_dev.primary_dev = viafb_primary_dev;
 
-		active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
-		active_dev.lcd_panel_id = viafb_lcd_panel_id;
-		active_dev.lcd_mode = viafb_lcd_mode;
+		u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
+		u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
+		u.active_dev.lcd_mode = viafb_lcd_mode;
 
-		active_dev.xres = viafb_hotplug_Xres;
-		active_dev.yres = viafb_hotplug_Yres;
+		u.active_dev.xres = viafb_hotplug_Xres;
+		u.active_dev.yres = viafb_hotplug_Yres;
 
-		active_dev.xres1 = viafb_second_xres;
-		active_dev.yres1 = viafb_second_yres;
+		u.active_dev.xres1 = viafb_second_xres;
+		u.active_dev.yres1 = viafb_second_yres;
 
-		active_dev.bpp = viafb_bpp;
-		active_dev.bpp1 = viafb_bpp1;
-		active_dev.refresh = viafb_refresh;
-		active_dev.refresh1 = viafb_refresh1;
+		u.active_dev.bpp = viafb_bpp;
+		u.active_dev.bpp1 = viafb_bpp1;
+		u.active_dev.refresh = viafb_refresh;
+		u.active_dev.refresh1 = viafb_refresh1;
 
-		active_dev.epia_dvi = viafb_platform_epia_dvi;
-		active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
-		active_dev.bus_width = viafb_bus_width;
+		u.active_dev.epia_dvi = viafb_platform_epia_dvi;
+		u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
+		u.active_dev.bus_width = viafb_bus_width;
 
-		if (copy_to_user(argp, &active_dev, sizeof(active_dev)))
+		if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
 			return -EFAULT;
 		break;
 
 	case VIAFB_GET_DRIVER_VERSION:
-		driver_version.iMajorNum = VERSION_MAJOR;
-		driver_version.iKernelNum = VERSION_KERNEL;
-		driver_version.iOSNum = VERSION_OS;
-		driver_version.iMinorNum = VERSION_MINOR;
+		u.driver_version.iMajorNum = VERSION_MAJOR;
+		u.driver_version.iKernelNum = VERSION_KERNEL;
+		u.driver_version.iOSNum = VERSION_OS;
+		u.driver_version.iMinorNum = VERSION_MINOR;
 
-		if (copy_to_user(argp, &driver_version,
-			sizeof(driver_version)))
+		if (copy_to_user(argp, &u.driver_version,
+			sizeof(u.driver_version)))
 			return -EFAULT;
 
 		break;
 
 	case VIAFB_SET_DEVICE_INFO:
-		if (copy_from_user(&viafb_setting,
-			argp, sizeof(viafb_setting)))
+		if (copy_from_user(&u.viafb_setting,
+			argp, sizeof(u.viafb_setting)))
 			return -EFAULT;
-		if (apply_device_setting(viafb_setting, info) < 0)
+		if (apply_device_setting(u.viafb_setting, info) < 0)
 			return -EINVAL;
 
 		break;
 
 	case VIAFB_SET_SECOND_MODE:
-		if (copy_from_user(&sec_var, argp, sizeof(sec_var)))
+		if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
 			return -EFAULT;
-		apply_second_mode_setting(&sec_var);
+		apply_second_mode_setting(&u.sec_var);
 		break;
 
 	case VIAFB_GET_DEVICE_INFO:
 
-		retrieve_device_setting(&viafb_setting);
+		retrieve_device_setting(&u.viafb_setting);
 
-		if (copy_to_user(argp, &viafb_setting, sizeof(viafb_setting)))
+		if (copy_to_user(argp, &u.viafb_setting,
+				 sizeof(u.viafb_setting)))
 			return -EFAULT;
 
 		break;
@@ -806,51 +809,51 @@
 		break;
 
 	case VIAFB_GET_PANEL_MAX_SIZE:
-		if (copy_from_user
-		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+		if (copy_from_user(&u.panel_pos_size_para, argp,
+				   sizeof(u.panel_pos_size_para)))
 			return -EFAULT;
-		panel_pos_size_para.x = panel_pos_size_para.y = 0;
-		if (copy_to_user(argp, &panel_pos_size_para,
-		     sizeof(panel_pos_size_para)))
+		u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+		if (copy_to_user(argp, &u.panel_pos_size_para,
+		     sizeof(u.panel_pos_size_para)))
 			return -EFAULT;
 		break;
 	case VIAFB_GET_PANEL_MAX_POSITION:
-		if (copy_from_user
-		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+		if (copy_from_user(&u.panel_pos_size_para, argp,
+				   sizeof(u.panel_pos_size_para)))
 			return -EFAULT;
-		panel_pos_size_para.x = panel_pos_size_para.y = 0;
-		if (copy_to_user(argp, &panel_pos_size_para,
-		     sizeof(panel_pos_size_para)))
+		u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+		if (copy_to_user(argp, &u.panel_pos_size_para,
+				 sizeof(u.panel_pos_size_para)))
 			return -EFAULT;
 		break;
 
 	case VIAFB_GET_PANEL_POSITION:
-		if (copy_from_user
-		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+		if (copy_from_user(&u.panel_pos_size_para, argp,
+				   sizeof(u.panel_pos_size_para)))
 			return -EFAULT;
-		panel_pos_size_para.x = panel_pos_size_para.y = 0;
-		if (copy_to_user(argp, &panel_pos_size_para,
-		     sizeof(panel_pos_size_para)))
+		u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+		if (copy_to_user(argp, &u.panel_pos_size_para,
+				 sizeof(u.panel_pos_size_para)))
 			return -EFAULT;
 		break;
 	case VIAFB_GET_PANEL_SIZE:
-		if (copy_from_user
-		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+		if (copy_from_user(&u.panel_pos_size_para, argp,
+				   sizeof(u.panel_pos_size_para)))
 			return -EFAULT;
-		panel_pos_size_para.x = panel_pos_size_para.y = 0;
-		if (copy_to_user(argp, &panel_pos_size_para,
-		     sizeof(panel_pos_size_para)))
+		u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+		if (copy_to_user(argp, &u.panel_pos_size_para,
+				 sizeof(u.panel_pos_size_para)))
 			return -EFAULT;
 		break;
 
 	case VIAFB_SET_PANEL_POSITION:
-		if (copy_from_user
-		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+		if (copy_from_user(&u.panel_pos_size_para, argp,
+				   sizeof(u.panel_pos_size_para)))
 			return -EFAULT;
 		break;
 	case VIAFB_SET_PANEL_SIZE:
-		if (copy_from_user
-		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+		if (copy_from_user(&u.panel_pos_size_para, argp,
+				   sizeof(u.panel_pos_size_para)))
 			return -EFAULT;
 		break;
 
@@ -1052,10 +1055,8 @@
 
 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 {
-	u8 data[CURSOR_SIZE / 8];
-	u32 data_bak[CURSOR_SIZE / 32];
 	u32 temp, xx, yy, bg_col = 0, fg_col = 0;
-	int size, i, j = 0;
+	int i, j = 0;
 	static int hw_cursor;
 	struct viafb_par *p_viafb_par;
 
@@ -1178,22 +1179,29 @@
 	}
 
 	if (cursor->set & FB_CUR_SETSHAPE) {
-		size =
+		struct {
+			u8 data[CURSOR_SIZE / 8];
+			u32 bak[CURSOR_SIZE / 32];
+		} *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
+		int size =
 		    ((viacursor.image.width + 7) >> 3) *
 		    viacursor.image.height;
 
+		if (cr_data == NULL)
+			goto out;
+
 		if (MAX_CURS == 32) {
 			for (i = 0; i < (CURSOR_SIZE / 32); i++) {
-				data_bak[i] = 0x0;
-				data_bak[i + 1] = 0xFFFFFFFF;
+				cr_data->bak[i] = 0x0;
+				cr_data->bak[i + 1] = 0xFFFFFFFF;
 				i += 1;
 			}
 		} else if (MAX_CURS == 64) {
 			for (i = 0; i < (CURSOR_SIZE / 32); i++) {
-				data_bak[i] = 0x0;
-				data_bak[i + 1] = 0x0;
-				data_bak[i + 2] = 0xFFFFFFFF;
-				data_bak[i + 3] = 0xFFFFFFFF;
+				cr_data->bak[i] = 0x0;
+				cr_data->bak[i + 1] = 0x0;
+				cr_data->bak[i + 2] = 0xFFFFFFFF;
+				cr_data->bak[i + 3] = 0xFFFFFFFF;
 				i += 3;
 			}
 		}
@@ -1201,12 +1209,12 @@
 		switch (viacursor.rop) {
 		case ROP_XOR:
 			for (i = 0; i < size; i++)
-				data[i] = viacursor.mask[i];
+				cr_data->data[i] = viacursor.mask[i];
 			break;
 		case ROP_COPY:
 
 			for (i = 0; i < size; i++)
-				data[i] = viacursor.mask[i];
+				cr_data->data[i] = viacursor.mask[i];
 			break;
 		default:
 			break;
@@ -1214,23 +1222,25 @@
 
 		if (MAX_CURS == 32) {
 			for (i = 0; i < size; i++) {
-				data_bak[j] = (u32) data[i];
-				data_bak[j + 1] = ~data_bak[j];
+				cr_data->bak[j] = (u32) cr_data->data[i];
+				cr_data->bak[j + 1] = ~cr_data->bak[j];
 				j += 2;
 			}
 		} else if (MAX_CURS == 64) {
 			for (i = 0; i < size; i++) {
-				data_bak[j] = (u32) data[i];
-				data_bak[j + 1] = 0x0;
-				data_bak[j + 2] = ~data_bak[j];
-				data_bak[j + 3] = ~data_bak[j + 1];
+				cr_data->bak[j] = (u32) cr_data->data[i];
+				cr_data->bak[j + 1] = 0x0;
+				cr_data->bak[j + 2] = ~cr_data->bak[j];
+				cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
 				j += 4;
 			}
 		}
 
 		memcpy(((struct viafb_par *)(info->par))->fbmem_virt +
 		       ((struct viafb_par *)(info->par))->cursor_start,
-		       data_bak, CURSOR_SIZE);
+		       cr_data->bak, CURSOR_SIZE);
+out:
+		kfree(cr_data);
 	}
 
 	if (viacursor.enable)
diff --git a/firmware/Makefile b/firmware/Makefile
index 69683888..d872b79 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -20,6 +20,15 @@
 # accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all).
 # But be aware that the config file might not be included at all.
 
+ifdef CONFIG_ACENIC_OMIT_TIGON_I
+acenic-objs := acenic/tg2.bin
+fw-shipped- += acenic/tg1.bin
+else
+acenic-objs := acenic/tg1.bin acenic/tg2.bin
+endif
+fw-shipped-$(CONFIG_ACENIC) += $(acenic-objs)
+fw-shipped-$(CONFIG_ADAPTEC_STARFIRE) += adaptec/starfire_rx.bin \
+					 adaptec/starfire_tx.bin
 fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin
 fw-shipped-$(CONFIG_ATM_AMBASSADOR) += atmsar11.fw
 fw-shipped-$(CONFIG_CASSINI) += sun/cassini.bin
@@ -38,6 +47,8 @@
 				     sb16/ima_adpcm_capture.csp
 fw-shipped-$(CONFIG_SND_YMFPCI) += yamaha/ds1_ctrl.fw yamaha/ds1_dsp.fw \
 				   yamaha/ds1e_ctrl.fw
+fw-shipped-$(CONFIG_TIGON3) += tigon/tg3.bin tigon/tg3_tso.bin \
+			       tigon/tg3_tso5.bin
 fw-shipped-$(CONFIG_USB_DABUSB) += dabusb/firmware.fw dabusb/bitstream.bin
 fw-shipped-$(CONFIG_USB_EMI26) += emi26/loader.fw emi26/firmware.fw \
 				  emi26/bitstream.fw
diff --git a/firmware/WHENCE b/firmware/WHENCE
index 8f06639..1bb2cf4 100644
--- a/firmware/WHENCE
+++ b/firmware/WHENCE
@@ -360,3 +360,52 @@
 
 --------------------------------------------------------------------------
 
+Driver: acenic -- Alteon AceNIC Gigabit Ethernet card
+
+File: acenic/tg1.bin
+File: acenic/tg2.bin
+
+Licence: Unknown
+
+Found in hex form in kernel source, but source allegedly available at
+http://alteon.shareable.org/
+
+--------------------------------------------------------------------------
+
+Driver: tigon3 -- Broadcom Tigon3 based gigabit Ethernet cards
+
+File: tigon/tg3.bin
+File: tigon/tg3_tso.bin
+File: tigon/tg3_tso5.bin
+
+Licence:
+ * Firmware is:
+ *	Derived from proprietary unpublished source code,
+ *	Copyright (C) 2000-2003 Broadcom Corporation.
+ *
+ *	Permission is hereby granted for the distribution of this firmware
+ *	data in hexadecimal or equivalent format, provided this copyright
+ *	notice is accompanying it.
+
+Found in hex form in kernel source.
+
+--------------------------------------------------------------------------
+
+Driver: ADAPTEC_STARFIRE - Adaptec Starfire/DuraLAN support
+
+File: adaptec/starfire_rx.bin
+File: adaptec/starfire_tx.bin
+
+Licence: Allegedly GPLv2, but no source visible.
+
+Found in hex form in kernel source, with the following notice:
+
+ BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE IT IS LICENSED "AS IS" AND
+ THERE IS NO WARRANTY FOR THE PROGRAM, INCLUDING BUT NOT LIMITED TO THE
+ IMPLIED WARRANTIES OF MERCHANTIBILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ (TO THE EXTENT PERMITTED BY APPLICABLE LAW). USE OF THE PROGRAM IS AT YOUR
+ OWN RISK. IN NO EVENT WILL ADAPTEC OR ITS LICENSORS BE LIABLE TO YOU FOR
+ DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
+ ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM.
+
+--------------------------------------------------------------------------
diff --git a/firmware/acenic/tg1.bin.ihex b/firmware/acenic/tg1.bin.ihex
new file mode 100644
index 0000000..bef2659
--- /dev/null
+++ b/firmware/acenic/tg1.bin.ihex
@@ -0,0 +1,4573 @@
+:100000000C040B0000004000000040001000000342
+:10001000000000000000000D0000000D3C1D00016C
+:100020008FBD5C5403A0F0213C100000261040005E
+:100030000C00100C000000000000000D27BDFFD8D0
+:100040003C1CC0003C1B0013377BD8000000D021B3
+:100050003C17001336F7541802E02021340583E8DA
+:10006000AFBF00240C002488AFB000200C0023E8B0
+:10007000000000003C040001248451A42405000178
+:1000800002E03021000038213C10000126107E5093
+:10009000AFB000100C002403AFBB00143C02000FF3
+:1000A0003442FFFF020210240362102B10400009AB
+:1000B000240500033C040001248451B002003021D7
+:1000C000036038213C020010AFA200100C00240392
+:1000D000AFA00014000020213405C0003C01000145
+:1000E00000370821A02083B03C010001003708211F
+:1000F000A02083B23C01000100370821A02083B377
+:100100003C01000100370821AC2083B4A2E004D8F0
+:10011000000418C02484000100771021AC40727CD8
+:1001200000771021AC40728002E31021A445727C5C
+:100130002C8200201440FFF7000418C0000020218A
+:100140003405C000000418C0248400010077102189
+:10015000AC40737C00771021AC40738002E3102127
+:10016000A445737C2C8200805440FFF7000418C023
+:10017000AF800054AF80011C8F82004434420040A5
+:10018000AF8200448F82004434420020AF8200449A
+:100190008F420218304200021040000900000000A7
+:1001A0008F4202203C030002346300040043102508
+:1001B000AEE204C48F42021C0800107434420004F2
+:1001C0008F4202203C0300023463000600431025E6
+:1001D000AEE204C48F42021C34420006AEE204CCFC
+:1001E0008F420218304200101040000A0000000048
+:1001F0008F42021C34420004AEE204C88F42022047
+:100200003C03000A34630004004310250800108AF0
+:10021000AEE204C08F4202203C03000A34630006B1
+:1002200000431025AEE204C08F42021C3442000697
+:10023000AEE204C88F4202183042020010400003B0
+:100240002402000108001091A2E27248A2E0724864
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+:100320008EE704FC34A5F0000C00240300603021AB
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+/* tg1 firmware v12.4.11 */
diff --git a/firmware/acenic/tg2.bin.ihex b/firmware/acenic/tg2.bin.ihex
new file mode 100644
index 0000000..a9ff4f4
--- /dev/null
+++ b/firmware/acenic/tg2.bin.ihex
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diff --git a/firmware/adaptec/starfire_rx.bin.ihex b/firmware/adaptec/starfire_rx.bin.ihex
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+ * Firmware is:
+ *	Derived from proprietary unpublished source code,
+ *	Copyright (C) 2000-2003 Broadcom Corporation.
+ *
+ *	Permission is hereby granted for the distribution of this firmware
+ *	data in hexadecimal or equivalent format, provided this copyright
+ *	notice is accompanying it.
diff --git a/firmware/tigon/tg3_tso.bin.ihex b/firmware/tigon/tg3_tso.bin.ihex
new file mode 100644
index 0000000..f10c4ef
--- /dev/null
+++ b/firmware/tigon/tg3_tso.bin.ihex
@@ -0,0 +1,446 @@
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+ * Firmware is:
+ *	Derived from proprietary unpublished source code,
+ *	Copyright (C) 2000-2003 Broadcom Corporation.
+ *
+ *	Permission is hereby granted for the distribution of this firmware
+ *	data in hexadecimal or equivalent format, provided this copyright
+ *	notice is accompanying it.
diff --git a/firmware/tigon/tg3_tso5.bin.ihex b/firmware/tigon/tg3_tso5.bin.ihex
new file mode 100644
index 0000000..3367251
--- /dev/null
+++ b/firmware/tigon/tg3_tso5.bin.ihex
@@ -0,0 +1,252 @@
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+:100DF0008FAA00103C0200018C420F3C3C04000111
+:100E00008C840F448FAB0014244300010044102B4A
+:100E10003C010001AC230F3C1440000300004021C2
+:100E20003C010001AC200F3C3C0200018C420F3C15
+:100E30003C0300018C630F4091240000000211402C
+:100E4000004310210048102125080001A0440000A3
+:100E5000290200081440FFF4252900013C0200018A
+:100E60008C420F3C3C0300018C630F408F64680C84
+:100E70000002114000431021AC440008AC45000CB6
+:100E8000AC460010AC470014AC4A001803E0000860
+:100E9000AC4B001C00000000000000004D61696EBA
+:100EA00043707542000000004D61696E43707541EA
+:100EB00000000000000000000000000073746B6F71
+:100EC00066666C64000000000000000073746B6FC5
+:100ED00066666C64000000000000000066617461DA
+:100EE0006C4572720000000000000000000000006D
+:100EF00000000000000000000000000000000000F2
+:100F000000000000000000000000000000000000E1
+:100F100073746B6F66666C645F76312E322E3000B0
+:0C0F2000000000000000000000000000C5
+:00000001FF
+ * Firmware is:
+ *	Derived from proprietary unpublished source code,
+ *	Copyright (C) 2000-2003 Broadcom Corporation.
+ *
+ *	Permission is hereby granted for the distribution of this firmware
+ *	data in hexadecimal or equivalent format, provided this copyright
+ *	notice is accompanying it.
+/* 5705 needs a special version of the TSO firmware.  */
diff --git a/fs/Kconfig b/fs/Kconfig
index ff0e819..f9b6e29 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -189,6 +189,8 @@
 	select CONFIGFS_FS
 	select JBD2
 	select CRC32
+	select QUOTA
+	select QUOTA_TREE
 	help
 	  OCFS2 is a general purpose extent based shared disk cluster file
 	  system with many similarities to ext3. It supports 64 bit inode
@@ -258,15 +260,14 @@
 	  this option for debugging only as it is likely to decrease
 	  performance of the filesystem.
 
-config OCFS2_COMPAT_JBD
-	bool "Use JBD for compatibility"
+config OCFS2_FS_POSIX_ACL
+	bool "OCFS2 POSIX Access Control Lists"
 	depends on OCFS2_FS
+	select FS_POSIX_ACL
 	default n
-	select JBD
 	help
-	  The ocfs2 filesystem now uses JBD2 for its journalling.  JBD2
-	  is backwards compatible with JBD.  It is safe to say N here.
-	  However, if you really want to use the original JBD, say Y here.
+	  Posix Access Control Lists (ACLs) support permissions for users and
+	  groups beyond the owner/group/world scheme.
 
 endif # BLOCK
 
@@ -303,6 +304,10 @@
 	  Note that this behavior is currently deprecated and may go away in
 	  future. Please use notification via netlink socket instead.
 
+# Generic support for tree structured quota files. Seleted when needed.
+config QUOTA_TREE
+	 tristate
+
 config QFMT_V1
 	tristate "Old quota format support"
 	depends on QUOTA
@@ -314,6 +319,7 @@
 config QFMT_V2
 	tristate "Quota format v2 support"
 	depends on QUOTA
+	select QUOTA_TREE
 	help
 	  This quota format allows using quotas with 32-bit UIDs/GIDs. If you
 	  need this functionality say Y here.
diff --git a/fs/Makefile b/fs/Makefile
index e6f423d..c830611 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -54,6 +54,7 @@
 obj-$(CONFIG_QUOTA)		+= dquot.o
 obj-$(CONFIG_QFMT_V1)		+= quota_v1.o
 obj-$(CONFIG_QFMT_V2)		+= quota_v2.o
+obj-$(CONFIG_QUOTA_TREE)	+= quota_tree.o
 obj-$(CONFIG_QUOTACTL)		+= quota.o
 
 obj-$(CONFIG_PROC_FS)		+= proc/
diff --git a/fs/affs/file.c b/fs/affs/file.c
index 1377b12..9246cb4 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -628,7 +628,7 @@
 	}
 
 	index = pos >> PAGE_CACHE_SHIFT;
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page)
 		return -ENOMEM;
 	*pagep = page;
diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index 415d9c6..3c4ec7d 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -119,8 +119,7 @@
 		goto bad_inode;
 #else
 		inode->i_mode |= S_IFDIR;
-		inode->i_op = NULL;
-		inode->i_fop = NULL;
+		/* ... and leave ->i_op and ->i_fop pointing to empty */
 		break;
 #endif
 	case ST_LINKFILE:
diff --git a/fs/afs/write.c b/fs/afs/write.c
index d6b85da..3fb36d4 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -144,7 +144,7 @@
 	candidate->state = AFS_WBACK_PENDING;
 	init_waitqueue_head(&candidate->waitq);
 
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page) {
 		kfree(candidate);
 		return -ENOMEM;
diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c
index c773680..e1734f2 100644
--- a/fs/autofs/inode.c
+++ b/fs/autofs/inode.c
@@ -251,13 +251,11 @@
 	inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO;
 	inode->i_nlink = 2;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
-	inode->i_blocks = 0;
 
 	if (ino == AUTOFS_ROOT_INO) {
 		inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
 		inode->i_op = &autofs_root_inode_operations;
 		inode->i_fop = &autofs_root_operations;
-		inode->i_uid = inode->i_gid = 0; /* Changed in read_super */
 		goto done;
 	} 
 	
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 7b19802..cfc23e5 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -455,11 +455,7 @@
 	if (sb->s_root) {
 		inode->i_uid = sb->s_root->d_inode->i_uid;
 		inode->i_gid = sb->s_root->d_inode->i_gid;
-	} else {
-		inode->i_uid = 0;
-		inode->i_gid = 0;
 	}
-	inode->i_blocks = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 
 	if (S_ISDIR(inf->mode)) {
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index f2744ab..e1158cb 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -496,9 +496,6 @@
 
 	if (inode) {
 		inode->i_mode = mode;
-		inode->i_uid = 0;
-		inode->i_gid = 0;
-		inode->i_blocks = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime =
 			current_fs_time(inode->i_sb);
 	}
diff --git a/fs/buffer.c b/fs/buffer.c
index 776ae09..a13f09b 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1996,7 +1996,7 @@
 	page = *pagep;
 	if (page == NULL) {
 		ownpage = 1;
-		page = __grab_cache_page(mapping, index);
+		page = grab_cache_page_write_begin(mapping, index, flags);
 		if (!page) {
 			status = -ENOMEM;
 			goto out;
@@ -2502,7 +2502,7 @@
 	from = pos & (PAGE_CACHE_SIZE - 1);
 	to = from + len;
 
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page)
 		return -ENOMEM;
 	*pagep = page;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index b1e1fc6..12bb656 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2074,7 +2074,7 @@
 
 	cFYI(1, ("write_begin from %lld len %d", (long long)pos, len));
 
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page) {
 		rc = -ENOMEM;
 		goto out;
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index f247da9..5ab9896 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1641,7 +1641,7 @@
 	i_size_write(inode, offset);
 	spin_unlock(&inode->i_lock);
 out_truncate:
-	if (inode->i_op && inode->i_op->truncate)
+	if (inode->i_op->truncate)
 		inode->i_op->truncate(inode);
 	return 0;
 out_sig:
diff --git a/fs/coda/file.c b/fs/coda/file.c
index 466303d..6a347fb 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -201,8 +201,7 @@
 int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync)
 {
 	struct file *host_file;
-	struct dentry *host_dentry;
-	struct inode *host_inode, *coda_inode = coda_dentry->d_inode;
+	struct inode *coda_inode = coda_dentry->d_inode;
 	struct coda_file_info *cfi;
 	int err = 0;
 
@@ -214,14 +213,7 @@
 	BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
 	host_file = cfi->cfi_container;
 
-	if (host_file->f_op && host_file->f_op->fsync) {
-		host_dentry = host_file->f_path.dentry;
-		host_inode = host_dentry->d_inode;
-		mutex_lock(&host_inode->i_mutex);
-		err = host_file->f_op->fsync(host_file, host_dentry, datasync);
-		mutex_unlock(&host_inode->i_mutex);
-	}
-
+	err = vfs_fsync(host_file, host_file->f_path.dentry, datasync);
 	if ( !err && !datasync ) {
 		lock_kernel();
 		err = venus_fsync(coda_inode->i_sb, coda_i2f(coda_inode));
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index 4803ccc..5d349d3 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -117,8 +117,6 @@
 static inline void set_default_inode_attr(struct inode * inode, mode_t mode)
 {
 	inode->i_mode = mode;
-	inode->i_uid = 0;
-	inode->i_gid = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 }
 
@@ -136,7 +134,6 @@
 {
 	struct inode * inode = new_inode(configfs_sb);
 	if (inode) {
-		inode->i_blocks = 0;
 		inode->i_mapping->a_ops = &configfs_aops;
 		inode->i_mapping->backing_dev_info = &configfs_backing_dev_info;
 		inode->i_op = &configfs_inode_operations;
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index f40423e..a07338d 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -83,8 +83,6 @@
 			inode->i_op = &page_symlink_inode_operations;
 			inode->i_data.a_ops = &cramfs_aops;
 		} else {
-			inode->i_size = 0;
-			inode->i_blocks = 0;
 			init_special_inode(inode, inode->i_mode,
 				old_decode_dev(cramfs_inode->size));
 		}
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 3dbe216..81ae9ea 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -37,9 +37,6 @@
 
 	if (inode) {
 		inode->i_mode = mode;
-		inode->i_uid = 0;
-		inode->i_gid = 0;
-		inode->i_blocks = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 		switch (mode & S_IFMT) {
 		default:
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index fff96e1..5f3231b 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -189,8 +189,6 @@
 	}
 
 	inode->i_ino = 2;
-	inode->i_uid = inode->i_gid = 0;
-	inode->i_blocks = 0;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
 
 	mode = S_IFCHR|opts->ptmxmode;
@@ -300,8 +298,6 @@
 		goto free_fsi;
 	inode->i_ino = 1;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
-	inode->i_blocks = 0;
-	inode->i_uid = inode->i_gid = 0;
 	inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
 	inode->i_op = &simple_dir_inode_operations;
 	inode->i_fop = &simple_dir_operations;
diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c
index 8bf31e3..dc2ad60 100644
--- a/fs/dlm/ast.c
+++ b/fs/dlm/ast.c
@@ -2,7 +2,7 @@
 *******************************************************************************
 **
 **  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
-**  Copyright (C) 2004-2005 Red Hat, Inc.  All rights reserved.
+**  Copyright (C) 2004-2008 Red Hat, Inc.  All rights reserved.
 **
 **  This copyrighted material is made available to anyone wishing to use,
 **  modify, copy, or redistribute it subject to the terms and conditions
@@ -33,10 +33,10 @@
 	spin_unlock(&ast_queue_lock);
 }
 
-void dlm_add_ast(struct dlm_lkb *lkb, int type)
+void dlm_add_ast(struct dlm_lkb *lkb, int type, int bastmode)
 {
 	if (lkb->lkb_flags & DLM_IFL_USER) {
-		dlm_user_add_ast(lkb, type);
+		dlm_user_add_ast(lkb, type, bastmode);
 		return;
 	}
 
@@ -46,6 +46,8 @@
 		list_add_tail(&lkb->lkb_astqueue, &ast_queue);
 	}
 	lkb->lkb_ast_type |= type;
+	if (bastmode)
+		lkb->lkb_bastmode = bastmode;
 	spin_unlock(&ast_queue_lock);
 
 	set_bit(WAKE_ASTS, &astd_wakeflags);
@@ -59,50 +61,40 @@
 	struct dlm_lkb *lkb;
 	void (*cast) (void *astparam);
 	void (*bast) (void *astparam, int mode);
-	int type = 0, found, bmode;
+	int type = 0, bastmode;
 
-	for (;;) {
-		found = 0;
-		spin_lock(&ast_queue_lock);
-		list_for_each_entry(lkb, &ast_queue, lkb_astqueue) {
-			r = lkb->lkb_resource;
-			ls = r->res_ls;
+repeat:
+	spin_lock(&ast_queue_lock);
+	list_for_each_entry(lkb, &ast_queue, lkb_astqueue) {
+		r = lkb->lkb_resource;
+		ls = r->res_ls;
 
-			if (dlm_locking_stopped(ls))
-				continue;
+		if (dlm_locking_stopped(ls))
+			continue;
 
-			list_del(&lkb->lkb_astqueue);
-			type = lkb->lkb_ast_type;
-			lkb->lkb_ast_type = 0;
-			found = 1;
-			break;
-		}
+		list_del(&lkb->lkb_astqueue);
+		type = lkb->lkb_ast_type;
+		lkb->lkb_ast_type = 0;
+		bastmode = lkb->lkb_bastmode;
+
 		spin_unlock(&ast_queue_lock);
-
-		if (!found)
-			break;
-
 		cast = lkb->lkb_astfn;
 		bast = lkb->lkb_bastfn;
-		bmode = lkb->lkb_bastmode;
 
 		if ((type & AST_COMP) && cast)
 			cast(lkb->lkb_astparam);
 
-		/* FIXME: Is it safe to look at lkb_grmode here
-		   without doing a lock_rsb() ?
-		   Look at other checks in v1 to avoid basts. */
-
 		if ((type & AST_BAST) && bast)
-			if (!dlm_modes_compat(lkb->lkb_grmode, bmode))
-				bast(lkb->lkb_astparam, bmode);
+			bast(lkb->lkb_astparam, bastmode);
 
 		/* this removes the reference added by dlm_add_ast
 		   and may result in the lkb being freed */
 		dlm_put_lkb(lkb);
 
-		schedule();
+		cond_resched();
+		goto repeat;
 	}
+	spin_unlock(&ast_queue_lock);
 }
 
 static inline int no_asts(void)
diff --git a/fs/dlm/ast.h b/fs/dlm/ast.h
index 6ee276c..1b5fc5f 100644
--- a/fs/dlm/ast.h
+++ b/fs/dlm/ast.h
@@ -1,7 +1,7 @@
 /******************************************************************************
 *******************************************************************************
 **
-**  Copyright (C) 2005 Red Hat, Inc.  All rights reserved.
+**  Copyright (C) 2005-2008 Red Hat, Inc.  All rights reserved.
 **
 **  This copyrighted material is made available to anyone wishing to use,
 **  modify, copy, or redistribute it subject to the terms and conditions
@@ -13,7 +13,7 @@
 #ifndef __ASTD_DOT_H__
 #define __ASTD_DOT_H__
 
-void dlm_add_ast(struct dlm_lkb *lkb, int type);
+void dlm_add_ast(struct dlm_lkb *lkb, int type, int bastmode);
 void dlm_del_ast(struct dlm_lkb *lkb);
 
 void dlm_astd_wake(void);
diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c
index 8fc24f4..2f107d1 100644
--- a/fs/dlm/debug_fs.c
+++ b/fs/dlm/debug_fs.c
@@ -1,7 +1,7 @@
 /******************************************************************************
 *******************************************************************************
 **
-**  Copyright (C) 2005 Red Hat, Inc.  All rights reserved.
+**  Copyright (C) 2005-2008 Red Hat, Inc.  All rights reserved.
 **
 **  This copyrighted material is made available to anyone wishing to use,
 **  modify, copy, or redistribute it subject to the terms and conditions
@@ -27,7 +27,7 @@
 
 struct rsb_iter {
 	int entry;
-	int locks;
+	int format;
 	int header;
 	struct dlm_ls *ls;
 	struct list_head *next;
@@ -60,8 +60,8 @@
 	}
 }
 
-static void print_resource_lock(struct seq_file *s, struct dlm_lkb *lkb,
-				struct dlm_rsb *res)
+static void print_format1_lock(struct seq_file *s, struct dlm_lkb *lkb,
+			       struct dlm_rsb *res)
 {
 	seq_printf(s, "%08x %s", lkb->lkb_id, print_lockmode(lkb->lkb_grmode));
 
@@ -83,7 +83,7 @@
 	seq_printf(s, "\n");
 }
 
-static int print_resource(struct dlm_rsb *res, struct seq_file *s)
+static int print_format1(struct dlm_rsb *res, struct seq_file *s)
 {
 	struct dlm_lkb *lkb;
 	int i, lvblen = res->res_ls->ls_lvblen, recover_list, root_list;
@@ -134,15 +134,15 @@
 	/* Print the locks attached to this resource */
 	seq_printf(s, "Granted Queue\n");
 	list_for_each_entry(lkb, &res->res_grantqueue, lkb_statequeue)
-		print_resource_lock(s, lkb, res);
+		print_format1_lock(s, lkb, res);
 
 	seq_printf(s, "Conversion Queue\n");
 	list_for_each_entry(lkb, &res->res_convertqueue, lkb_statequeue)
-		print_resource_lock(s, lkb, res);
+		print_format1_lock(s, lkb, res);
 
 	seq_printf(s, "Waiting Queue\n");
 	list_for_each_entry(lkb, &res->res_waitqueue, lkb_statequeue)
-		print_resource_lock(s, lkb, res);
+		print_format1_lock(s, lkb, res);
 
 	if (list_empty(&res->res_lookup))
 		goto out;
@@ -160,23 +160,24 @@
 	return 0;
 }
 
-static void print_lock(struct seq_file *s, struct dlm_lkb *lkb, struct dlm_rsb *r)
+static void print_format2_lock(struct seq_file *s, struct dlm_lkb *lkb,
+			       struct dlm_rsb *r)
 {
-	unsigned int waiting = 0;
-	uint64_t xid = 0;
+	u64 xid = 0;
+	u64 us;
 
 	if (lkb->lkb_flags & DLM_IFL_USER) {
 		if (lkb->lkb_ua)
 			xid = lkb->lkb_ua->xid;
 	}
 
-	if (lkb->lkb_timestamp)
-		waiting = jiffies_to_msecs(jiffies - lkb->lkb_timestamp);
+	/* microseconds since lkb was added to current queue */
+	us = ktime_to_us(ktime_sub(ktime_get(), lkb->lkb_timestamp));
 
-	/* id nodeid remid pid xid exflags flags sts grmode rqmode time_ms
+	/* id nodeid remid pid xid exflags flags sts grmode rqmode time_us
 	   r_nodeid r_len r_name */
 
-	seq_printf(s, "%x %d %x %u %llu %x %x %d %d %d %u %u %d \"%s\"\n",
+	seq_printf(s, "%x %d %x %u %llu %x %x %d %d %d %llu %u %d \"%s\"\n",
 		   lkb->lkb_id,
 		   lkb->lkb_nodeid,
 		   lkb->lkb_remid,
@@ -187,26 +188,114 @@
 		   lkb->lkb_status,
 		   lkb->lkb_grmode,
 		   lkb->lkb_rqmode,
-		   waiting,
+		   (unsigned long long)us,
 		   r->res_nodeid,
 		   r->res_length,
 		   r->res_name);
 }
 
-static int print_locks(struct dlm_rsb *r, struct seq_file *s)
+static int print_format2(struct dlm_rsb *r, struct seq_file *s)
 {
 	struct dlm_lkb *lkb;
 
 	lock_rsb(r);
 
 	list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue)
-		print_lock(s, lkb, r);
+		print_format2_lock(s, lkb, r);
 
 	list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue)
-		print_lock(s, lkb, r);
+		print_format2_lock(s, lkb, r);
 
 	list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue)
-		print_lock(s, lkb, r);
+		print_format2_lock(s, lkb, r);
+
+	unlock_rsb(r);
+	return 0;
+}
+
+static void print_format3_lock(struct seq_file *s, struct dlm_lkb *lkb,
+			       int rsb_lookup)
+{
+	u64 xid = 0;
+
+	if (lkb->lkb_flags & DLM_IFL_USER) {
+		if (lkb->lkb_ua)
+			xid = lkb->lkb_ua->xid;
+	}
+
+	seq_printf(s, "lkb %x %d %x %u %llu %x %x %d %d %d %d %d %d %u %llu %llu\n",
+		   lkb->lkb_id,
+		   lkb->lkb_nodeid,
+		   lkb->lkb_remid,
+		   lkb->lkb_ownpid,
+		   (unsigned long long)xid,
+		   lkb->lkb_exflags,
+		   lkb->lkb_flags,
+		   lkb->lkb_status,
+		   lkb->lkb_grmode,
+		   lkb->lkb_rqmode,
+		   lkb->lkb_highbast,
+		   rsb_lookup,
+		   lkb->lkb_wait_type,
+		   lkb->lkb_lvbseq,
+		   (unsigned long long)ktime_to_ns(lkb->lkb_timestamp),
+		   (unsigned long long)ktime_to_ns(lkb->lkb_time_bast));
+}
+
+static int print_format3(struct dlm_rsb *r, struct seq_file *s)
+{
+	struct dlm_lkb *lkb;
+	int i, lvblen = r->res_ls->ls_lvblen;
+	int print_name = 1;
+
+	lock_rsb(r);
+
+	seq_printf(s, "rsb %p %d %x %lx %d %d %u %d ",
+		   r,
+		   r->res_nodeid,
+		   r->res_first_lkid,
+		   r->res_flags,
+		   !list_empty(&r->res_root_list),
+		   !list_empty(&r->res_recover_list),
+		   r->res_recover_locks_count,
+		   r->res_length);
+
+	for (i = 0; i < r->res_length; i++) {
+		if (!isascii(r->res_name[i]) || !isprint(r->res_name[i]))
+			print_name = 0;
+	}
+
+	seq_printf(s, "%s", print_name ? "str " : "hex");
+
+	for (i = 0; i < r->res_length; i++) {
+		if (print_name)
+			seq_printf(s, "%c", r->res_name[i]);
+		else
+			seq_printf(s, " %02x", (unsigned char)r->res_name[i]);
+	}
+	seq_printf(s, "\n");
+
+	if (!r->res_lvbptr)
+		goto do_locks;
+
+	seq_printf(s, "lvb %u %d", r->res_lvbseq, lvblen);
+
+	for (i = 0; i < lvblen; i++)
+		seq_printf(s, " %02x", (unsigned char)r->res_lvbptr[i]);
+	seq_printf(s, "\n");
+
+ do_locks:
+	list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue)
+		print_format3_lock(s, lkb, 0);
+
+	list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue)
+		print_format3_lock(s, lkb, 0);
+
+	list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue)
+		print_format3_lock(s, lkb, 0);
+
+	list_for_each_entry(lkb, &r->res_lookup, lkb_rsb_lookup)
+		print_format3_lock(s, lkb, 1);
 
 	unlock_rsb(r);
 	return 0;
@@ -231,7 +320,7 @@
 				break;
 			}
 			read_unlock(&ls->ls_rsbtbl[i].lock);
-                }
+		}
 		ri->entry = i;
 
 		if (ri->entry >= ls->ls_rsbtbl_size)
@@ -248,7 +337,7 @@
 			read_unlock(&ls->ls_rsbtbl[i].lock);
 			dlm_put_rsb(old);
 			goto top;
-                }
+		}
 		ri->rsb = list_entry(ri->next, struct dlm_rsb, res_hashchain);
 		dlm_hold_rsb(ri->rsb);
 		read_unlock(&ls->ls_rsbtbl[i].lock);
@@ -274,6 +363,7 @@
 	ri->ls = ls;
 	ri->entry = 0;
 	ri->next = NULL;
+	ri->format = 1;
 
 	if (rsb_iter_next(ri)) {
 		rsb_iter_free(ri);
@@ -325,16 +415,26 @@
 {
 	struct rsb_iter *ri = iter_ptr;
 
-	if (ri->locks) {
+	switch (ri->format) {
+	case 1:
+		print_format1(ri->rsb, file);
+		break;
+	case 2:
 		if (ri->header) {
-			seq_printf(file, "id nodeid remid pid xid exflags flags "
-					 "sts grmode rqmode time_ms r_nodeid "
-					 "r_len r_name\n");
+			seq_printf(file, "id nodeid remid pid xid exflags "
+					 "flags sts grmode rqmode time_ms "
+					 "r_nodeid r_len r_name\n");
 			ri->header = 0;
 		}
-		print_locks(ri->rsb, file);
-	} else {
-		print_resource(ri->rsb, file);
+		print_format2(ri->rsb, file);
+		break;
+	case 3:
+		if (ri->header) {
+			seq_printf(file, "version rsb 1.1 lvb 1.1 lkb 1.1\n");
+			ri->header = 0;
+		}
+		print_format3(ri->rsb, file);
+		break;
 	}
 
 	return 0;
@@ -385,7 +485,7 @@
 	ri->ls = ls;
 	ri->entry = 0;
 	ri->next = NULL;
-	ri->locks = 1;
+	ri->format = 2;
 
 	if (*pos == 0)
 		ri->header = 1;
@@ -448,6 +548,84 @@
 };
 
 /*
+ * Dump all rsb/lvb/lkb state in compact listing, more complete than _locks
+ * This can replace both formats 1 and 2 eventually.
+ */
+
+static struct rsb_iter *all_iter_init(struct dlm_ls *ls, loff_t *pos)
+{
+	struct rsb_iter *ri;
+
+	ri = kzalloc(sizeof *ri, GFP_KERNEL);
+	if (!ri)
+		return NULL;
+
+	ri->ls = ls;
+	ri->entry = 0;
+	ri->next = NULL;
+	ri->format = 3;
+
+	if (*pos == 0)
+		ri->header = 1;
+
+	if (rsb_iter_next(ri)) {
+		rsb_iter_free(ri);
+		return NULL;
+	}
+
+	return ri;
+}
+
+static void *all_seq_start(struct seq_file *file, loff_t *pos)
+{
+	struct rsb_iter *ri;
+	loff_t n = *pos;
+
+	ri = all_iter_init(file->private, pos);
+	if (!ri)
+		return NULL;
+
+	while (n--) {
+		if (rsb_iter_next(ri)) {
+			rsb_iter_free(ri);
+			return NULL;
+		}
+	}
+
+	return ri;
+}
+
+static struct seq_operations all_seq_ops = {
+	.start = all_seq_start,
+	.next  = rsb_seq_next,
+	.stop  = rsb_seq_stop,
+	.show  = rsb_seq_show,
+};
+
+static int all_open(struct inode *inode, struct file *file)
+{
+	struct seq_file *seq;
+	int ret;
+
+	ret = seq_open(file, &all_seq_ops);
+	if (ret)
+		return ret;
+
+	seq = file->private_data;
+	seq->private = inode->i_private;
+
+	return 0;
+}
+
+static const struct file_operations all_fops = {
+	.owner   = THIS_MODULE,
+	.open    = all_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = seq_release
+};
+
+/*
  * dump lkb's on the ls_waiters list
  */
 
@@ -489,30 +667,33 @@
 	.read    = waiters_read
 };
 
+void dlm_delete_debug_file(struct dlm_ls *ls)
+{
+	if (ls->ls_debug_rsb_dentry)
+		debugfs_remove(ls->ls_debug_rsb_dentry);
+	if (ls->ls_debug_waiters_dentry)
+		debugfs_remove(ls->ls_debug_waiters_dentry);
+	if (ls->ls_debug_locks_dentry)
+		debugfs_remove(ls->ls_debug_locks_dentry);
+	if (ls->ls_debug_all_dentry)
+		debugfs_remove(ls->ls_debug_all_dentry);
+}
+
 int dlm_create_debug_file(struct dlm_ls *ls)
 {
 	char name[DLM_LOCKSPACE_LEN+8];
 
+	/* format 1 */
+
 	ls->ls_debug_rsb_dentry = debugfs_create_file(ls->ls_name,
 						      S_IFREG | S_IRUGO,
 						      dlm_root,
 						      ls,
 						      &rsb_fops);
 	if (!ls->ls_debug_rsb_dentry)
-		return -ENOMEM;
+		goto fail;
 
-	memset(name, 0, sizeof(name));
-	snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_waiters", ls->ls_name);
-
-	ls->ls_debug_waiters_dentry = debugfs_create_file(name,
-							  S_IFREG | S_IRUGO,
-							  dlm_root,
-							  ls,
-							  &waiters_fops);
-	if (!ls->ls_debug_waiters_dentry) {
-		debugfs_remove(ls->ls_debug_rsb_dentry);
-		return -ENOMEM;
-	}
+	/* format 2 */
 
 	memset(name, 0, sizeof(name));
 	snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_locks", ls->ls_name);
@@ -522,23 +703,38 @@
 							dlm_root,
 							ls,
 							&locks_fops);
-	if (!ls->ls_debug_locks_dentry) {
-		debugfs_remove(ls->ls_debug_waiters_dentry);
-		debugfs_remove(ls->ls_debug_rsb_dentry);
-		return -ENOMEM;
-	}
+	if (!ls->ls_debug_locks_dentry)
+		goto fail;
+
+	/* format 3 */
+
+	memset(name, 0, sizeof(name));
+	snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_all", ls->ls_name);
+
+	ls->ls_debug_all_dentry = debugfs_create_file(name,
+						      S_IFREG | S_IRUGO,
+						      dlm_root,
+						      ls,
+						      &all_fops);
+	if (!ls->ls_debug_all_dentry)
+		goto fail;
+
+	memset(name, 0, sizeof(name));
+	snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_waiters", ls->ls_name);
+
+	ls->ls_debug_waiters_dentry = debugfs_create_file(name,
+							  S_IFREG | S_IRUGO,
+							  dlm_root,
+							  ls,
+							  &waiters_fops);
+	if (!ls->ls_debug_waiters_dentry)
+		goto fail;
 
 	return 0;
-}
 
-void dlm_delete_debug_file(struct dlm_ls *ls)
-{
-	if (ls->ls_debug_rsb_dentry)
-		debugfs_remove(ls->ls_debug_rsb_dentry);
-	if (ls->ls_debug_waiters_dentry)
-		debugfs_remove(ls->ls_debug_waiters_dentry);
-	if (ls->ls_debug_locks_dentry)
-		debugfs_remove(ls->ls_debug_locks_dentry);
+ fail:
+	dlm_delete_debug_file(ls);
+	return -ENOMEM;
 }
 
 int __init dlm_register_debugfs(void)
diff --git a/fs/dlm/dir.c b/fs/dlm/dir.c
index 85defeb..92969f8 100644
--- a/fs/dlm/dir.c
+++ b/fs/dlm/dir.c
@@ -374,7 +374,7 @@
 	struct list_head *list;
 	struct dlm_rsb *r;
 	int offset = 0, dir_nodeid;
-	uint16_t be_namelen;
+	__be16 be_namelen;
 
 	down_read(&ls->ls_root_sem);
 
@@ -410,15 +410,15 @@
 
 		if (offset + sizeof(uint16_t)*2 + r->res_length > outlen) {
 			/* Write end-of-block record */
-			be_namelen = 0;
-			memcpy(outbuf + offset, &be_namelen, sizeof(uint16_t));
-			offset += sizeof(uint16_t);
+			be_namelen = cpu_to_be16(0);
+			memcpy(outbuf + offset, &be_namelen, sizeof(__be16));
+			offset += sizeof(__be16);
 			goto out;
 		}
 
 		be_namelen = cpu_to_be16(r->res_length);
-		memcpy(outbuf + offset, &be_namelen, sizeof(uint16_t));
-		offset += sizeof(uint16_t);
+		memcpy(outbuf + offset, &be_namelen, sizeof(__be16));
+		offset += sizeof(__be16);
 		memcpy(outbuf + offset, r->res_name, r->res_length);
 		offset += r->res_length;
 	}
@@ -430,9 +430,9 @@
 
 	if ((list == &ls->ls_root_list) &&
 	    (offset + sizeof(uint16_t) <= outlen)) {
-		be_namelen = 0xFFFF;
-		memcpy(outbuf + offset, &be_namelen, sizeof(uint16_t));
-		offset += sizeof(uint16_t);
+		be_namelen = cpu_to_be16(0xFFFF);
+		memcpy(outbuf + offset, &be_namelen, sizeof(__be16));
+		offset += sizeof(__be16);
 	}
 
  out:
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index 868e4c9..ef2f1e3 100644
--- a/fs/dlm/dlm_internal.h
+++ b/fs/dlm/dlm_internal.h
@@ -245,7 +245,8 @@
 	struct list_head	lkb_astqueue;	/* need ast to be sent */
 	struct list_head	lkb_ownqueue;	/* list of locks for a process */
 	struct list_head	lkb_time_list;
-	unsigned long		lkb_timestamp;
+	ktime_t			lkb_time_bast;	/* for debugging */
+	ktime_t			lkb_timestamp;
 	unsigned long		lkb_timeout_cs;
 
 	char			*lkb_lvbptr;
@@ -481,6 +482,7 @@
 	struct dentry		*ls_debug_rsb_dentry; /* debugfs */
 	struct dentry		*ls_debug_waiters_dentry; /* debugfs */
 	struct dentry		*ls_debug_locks_dentry; /* debugfs */
+	struct dentry		*ls_debug_all_dentry; /* debugfs */
 
 	wait_queue_head_t	ls_uevent_wait;	/* user part of join/leave */
 	int			ls_uevent_result;
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 724ddac..6cfe65b 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -307,7 +307,7 @@
 	lkb->lkb_lksb->sb_status = rv;
 	lkb->lkb_lksb->sb_flags = lkb->lkb_sbflags;
 
-	dlm_add_ast(lkb, AST_COMP);
+	dlm_add_ast(lkb, AST_COMP, 0);
 }
 
 static inline void queue_cast_overlap(struct dlm_rsb *r, struct dlm_lkb *lkb)
@@ -318,12 +318,12 @@
 
 static void queue_bast(struct dlm_rsb *r, struct dlm_lkb *lkb, int rqmode)
 {
+	lkb->lkb_time_bast = ktime_get();
+
 	if (is_master_copy(lkb))
 		send_bast(r, lkb, rqmode);
-	else {
-		lkb->lkb_bastmode = rqmode;
-		dlm_add_ast(lkb, AST_BAST);
-	}
+	else
+		dlm_add_ast(lkb, AST_BAST, rqmode);
 }
 
 /*
@@ -744,6 +744,8 @@
 
 	DLM_ASSERT(!lkb->lkb_status, dlm_print_lkb(lkb););
 
+	lkb->lkb_timestamp = ktime_get();
+
 	lkb->lkb_status = status;
 
 	switch (status) {
@@ -1013,10 +1015,8 @@
 {
 	struct dlm_ls *ls = lkb->lkb_resource->res_ls;
 
-	if (is_master_copy(lkb)) {
-		lkb->lkb_timestamp = jiffies;
+	if (is_master_copy(lkb))
 		return;
-	}
 
 	if (test_bit(LSFL_TIMEWARN, &ls->ls_flags) &&
 	    !(lkb->lkb_exflags & DLM_LKF_NODLCKWT)) {
@@ -1031,7 +1031,6 @@
 	DLM_ASSERT(list_empty(&lkb->lkb_time_list), dlm_print_lkb(lkb););
 	mutex_lock(&ls->ls_timeout_mutex);
 	hold_lkb(lkb);
-	lkb->lkb_timestamp = jiffies;
 	list_add_tail(&lkb->lkb_time_list, &ls->ls_timeout);
 	mutex_unlock(&ls->ls_timeout_mutex);
 }
@@ -1059,6 +1058,7 @@
 	struct dlm_rsb *r;
 	struct dlm_lkb *lkb;
 	int do_cancel, do_warn;
+	s64 wait_us;
 
 	for (;;) {
 		if (dlm_locking_stopped(ls))
@@ -1069,14 +1069,15 @@
 		mutex_lock(&ls->ls_timeout_mutex);
 		list_for_each_entry(lkb, &ls->ls_timeout, lkb_time_list) {
 
+			wait_us = ktime_to_us(ktime_sub(ktime_get(),
+					      		lkb->lkb_timestamp));
+
 			if ((lkb->lkb_exflags & DLM_LKF_TIMEOUT) &&
-			    time_after_eq(jiffies, lkb->lkb_timestamp +
-					  lkb->lkb_timeout_cs * HZ/100))
+			    wait_us >= (lkb->lkb_timeout_cs * 10000))
 				do_cancel = 1;
 
 			if ((lkb->lkb_flags & DLM_IFL_WATCH_TIMEWARN) &&
-			    time_after_eq(jiffies, lkb->lkb_timestamp +
-				   	   dlm_config.ci_timewarn_cs * HZ/100))
+			    wait_us >= dlm_config.ci_timewarn_cs * 10000)
 				do_warn = 1;
 
 			if (!do_cancel && !do_warn)
@@ -1122,12 +1123,12 @@
 void dlm_adjust_timeouts(struct dlm_ls *ls)
 {
 	struct dlm_lkb *lkb;
-	long adj = jiffies - ls->ls_recover_begin;
+	u64 adj_us = jiffies_to_usecs(jiffies - ls->ls_recover_begin);
 
 	ls->ls_recover_begin = 0;
 	mutex_lock(&ls->ls_timeout_mutex);
 	list_for_each_entry(lkb, &ls->ls_timeout, lkb_time_list)
-		lkb->lkb_timestamp += adj;
+		lkb->lkb_timestamp = ktime_add_us(lkb->lkb_timestamp, adj_us);
 	mutex_unlock(&ls->ls_timeout_mutex);
 }
 
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 3962262..103a5eb 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -295,6 +295,7 @@
 	con->sock->sk->sk_write_space = lowcomms_write_space;
 	con->sock->sk->sk_state_change = lowcomms_state_change;
 	con->sock->sk->sk_user_data = con;
+	con->sock->sk->sk_allocation = GFP_NOFS;
 	return 0;
 }
 
@@ -823,7 +824,6 @@
 	len = e->len;
 	offset = e->offset;
 	spin_unlock(&con->writequeue_lock);
-	kmap(e->page);
 
 	/* Send the first block off the write queue */
 	iov[0].iov_base = page_address(e->page)+offset;
@@ -854,7 +854,6 @@
 
 		if (e->len == 0 && e->users == 0) {
 			list_del(&e->list);
-			kunmap(e->page);
 			free_entry(e);
 		}
 		spin_unlock(&con->writequeue_lock);
@@ -1203,8 +1202,6 @@
 
 	if (e) {
 	got_one:
-		if (users == 0)
-			kmap(e->page);
 		*ppc = page_address(e->page) + offset;
 		return e;
 	}
@@ -1233,7 +1230,6 @@
 	if (users)
 		goto out;
 	e->len = e->end - e->offset;
-	kunmap(e->page);
 	spin_unlock(&con->writequeue_lock);
 
 	if (!test_and_set_bit(CF_WRITE_PENDING, &con->flags)) {
@@ -1272,7 +1268,6 @@
 		offset = e->offset;
 		BUG_ON(len == 0 && e->users == 0);
 		spin_unlock(&con->writequeue_lock);
-		kmap(e->page);
 
 		ret = 0;
 		if (len) {
@@ -1294,7 +1289,6 @@
 
 		if (e->len == 0 && e->users == 0) {
 			list_del(&e->list);
-			kunmap(e->page);
 			free_entry(e);
 			continue;
 		}
diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c
index 54c14c6..c1775b8 100644
--- a/fs/dlm/memory.c
+++ b/fs/dlm/memory.c
@@ -39,7 +39,7 @@
 {
 	char *p;
 
-	p = kzalloc(ls->ls_lvblen, GFP_KERNEL);
+	p = kzalloc(ls->ls_lvblen, ls->ls_allocation);
 	return p;
 }
 
@@ -57,7 +57,7 @@
 
 	DLM_ASSERT(namelen <= DLM_RESNAME_MAXLEN,);
 
-	r = kzalloc(sizeof(*r) + namelen, GFP_KERNEL);
+	r = kzalloc(sizeof(*r) + namelen, ls->ls_allocation);
 	return r;
 }
 
@@ -72,7 +72,7 @@
 {
 	struct dlm_lkb *lkb;
 
-	lkb = kmem_cache_zalloc(lkb_cache, GFP_KERNEL);
+	lkb = kmem_cache_zalloc(lkb_cache, ls->ls_allocation);
 	return lkb;
 }
 
diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c
index 07ac709..f3396c6 100644
--- a/fs/dlm/midcomms.c
+++ b/fs/dlm/midcomms.c
@@ -112,7 +112,7 @@
 		   ordinary messages). */
 
 		if (msglen > sizeof(__tmp) && p == &__tmp.p) {
-			p = kmalloc(dlm_config.ci_buffer_size, GFP_KERNEL);
+			p = kmalloc(dlm_config.ci_buffer_size, GFP_NOFS);
 			if (p == NULL)
 				return ret;
 		}
diff --git a/fs/dlm/netlink.c b/fs/dlm/netlink.c
index aa2a577..ccc9d62 100644
--- a/fs/dlm/netlink.c
+++ b/fs/dlm/netlink.c
@@ -115,7 +115,6 @@
 	data->status = lkb->lkb_status;
 	data->grmode = lkb->lkb_grmode;
 	data->rqmode = lkb->lkb_rqmode;
-	data->timestamp = lkb->lkb_timestamp;
 	if (lkb->lkb_ua)
 		data->xid = lkb->lkb_ua->xid;
 	if (r) {
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index b3832c6..065149e 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -175,7 +175,7 @@
 /* we could possibly check if the cancel of an orphan has resulted in the lkb
    being removed and then remove that lkb from the orphans list and free it */
 
-void dlm_user_add_ast(struct dlm_lkb *lkb, int type)
+void dlm_user_add_ast(struct dlm_lkb *lkb, int type, int bastmode)
 {
 	struct dlm_ls *ls;
 	struct dlm_user_args *ua;
@@ -208,6 +208,8 @@
 
 	ast_type = lkb->lkb_ast_type;
 	lkb->lkb_ast_type |= type;
+	if (bastmode)
+		lkb->lkb_bastmode = bastmode;
 
 	if (!ast_type) {
 		kref_get(&lkb->lkb_ref);
diff --git a/fs/dlm/user.h b/fs/dlm/user.h
index 35eb6a1..1c96864 100644
--- a/fs/dlm/user.h
+++ b/fs/dlm/user.h
@@ -9,7 +9,7 @@
 #ifndef __USER_DOT_H__
 #define __USER_DOT_H__
 
-void dlm_user_add_ast(struct dlm_lkb *lkb, int type);
+void dlm_user_add_ast(struct dlm_lkb *lkb, int type, int bastmode);
 int dlm_user_init(void);
 void dlm_user_exit(void);
 int dlm_device_deregister(struct dlm_ls *ls);
diff --git a/fs/dquot.c b/fs/dquot.c
index c237ccc..61bfff6 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -211,8 +211,6 @@
 
 struct dqstats dqstats;
 
-static void dqput(struct dquot *dquot);
-
 static inline unsigned int
 hashfn(const struct super_block *sb, unsigned int id, int type)
 {
@@ -415,6 +413,17 @@
 	return ret;
 }
 
+void dquot_destroy(struct dquot *dquot)
+{
+	kmem_cache_free(dquot_cachep, dquot);
+}
+EXPORT_SYMBOL(dquot_destroy);
+
+static inline void do_destroy_dquot(struct dquot *dquot)
+{
+	dquot->dq_sb->dq_op->destroy_dquot(dquot);
+}
+
 /* Invalidate all dquots on the list. Note that this function is called after
  * quota is disabled and pointers from inodes removed so there cannot be new
  * quota users. There can still be some users of quotas due to inodes being
@@ -463,11 +472,46 @@
 		remove_dquot_hash(dquot);
 		remove_free_dquot(dquot);
 		remove_inuse(dquot);
-		kmem_cache_free(dquot_cachep, dquot);
+		do_destroy_dquot(dquot);
 	}
 	spin_unlock(&dq_list_lock);
 }
 
+/* Call callback for every active dquot on given filesystem */
+int dquot_scan_active(struct super_block *sb,
+		      int (*fn)(struct dquot *dquot, unsigned long priv),
+		      unsigned long priv)
+{
+	struct dquot *dquot, *old_dquot = NULL;
+	int ret = 0;
+
+	mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
+	spin_lock(&dq_list_lock);
+	list_for_each_entry(dquot, &inuse_list, dq_inuse) {
+		if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags))
+			continue;
+		if (dquot->dq_sb != sb)
+			continue;
+		/* Now we have active dquot so we can just increase use count */
+		atomic_inc(&dquot->dq_count);
+		dqstats.lookups++;
+		spin_unlock(&dq_list_lock);
+		dqput(old_dquot);
+		old_dquot = dquot;
+		ret = fn(dquot, priv);
+		if (ret < 0)
+			goto out;
+		spin_lock(&dq_list_lock);
+		/* We are safe to continue now because our dquot could not
+		 * be moved out of the inuse list while we hold the reference */
+	}
+	spin_unlock(&dq_list_lock);
+out:
+	dqput(old_dquot);
+	mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
+	return ret;
+}
+
 int vfs_quota_sync(struct super_block *sb, int type)
 {
 	struct list_head *dirty;
@@ -479,7 +523,7 @@
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
 		if (type != -1 && cnt != type)
 			continue;
-		if (!sb_has_quota_enabled(sb, cnt))
+		if (!sb_has_quota_active(sb, cnt))
 			continue;
 		spin_lock(&dq_list_lock);
 		dirty = &dqopt->info[cnt].dqi_dirty_list;
@@ -504,8 +548,8 @@
 	}
 
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++)
-		if ((cnt == type || type == -1) && sb_has_quota_enabled(sb, cnt)
-			&& info_dirty(&dqopt->info[cnt]))
+		if ((cnt == type || type == -1) && sb_has_quota_active(sb, cnt)
+		    && info_dirty(&dqopt->info[cnt]))
 			sb->dq_op->write_info(sb, cnt);
 	spin_lock(&dq_list_lock);
 	dqstats.syncs++;
@@ -527,7 +571,7 @@
 		remove_dquot_hash(dquot);
 		remove_free_dquot(dquot);
 		remove_inuse(dquot);
-		kmem_cache_free(dquot_cachep, dquot);
+		do_destroy_dquot(dquot);
 		count--;
 		head = free_dquots.prev;
 	}
@@ -558,7 +602,7 @@
  * NOTE: If you change this function please check whether dqput_blocks() works right...
  * MUST be called with either dqptr_sem or dqonoff_mutex held
  */
-static void dqput(struct dquot *dquot)
+void dqput(struct dquot *dquot)
 {
 	int ret;
 
@@ -584,7 +628,7 @@
 		/* We have more than one user... nothing to do */
 		atomic_dec(&dquot->dq_count);
 		/* Releasing dquot during quotaoff phase? */
-		if (!sb_has_quota_enabled(dquot->dq_sb, dquot->dq_type) &&
+		if (!sb_has_quota_active(dquot->dq_sb, dquot->dq_type) &&
 		    atomic_read(&dquot->dq_count) == 1)
 			wake_up(&dquot->dq_wait_unused);
 		spin_unlock(&dq_list_lock);
@@ -625,11 +669,17 @@
 	spin_unlock(&dq_list_lock);
 }
 
+struct dquot *dquot_alloc(struct super_block *sb, int type)
+{
+	return kmem_cache_zalloc(dquot_cachep, GFP_NOFS);
+}
+EXPORT_SYMBOL(dquot_alloc);
+
 static struct dquot *get_empty_dquot(struct super_block *sb, int type)
 {
 	struct dquot *dquot;
 
-	dquot = kmem_cache_zalloc(dquot_cachep, GFP_NOFS);
+	dquot = sb->dq_op->alloc_dquot(sb, type);
 	if(!dquot)
 		return NODQUOT;
 
@@ -647,15 +697,33 @@
 }
 
 /*
+ * Check whether dquot is in memory.
+ * MUST be called with either dqptr_sem or dqonoff_mutex held
+ */
+int dquot_is_cached(struct super_block *sb, unsigned int id, int type)
+{
+	unsigned int hashent = hashfn(sb, id, type);
+	int ret = 0;
+
+        if (!sb_has_quota_active(sb, type))
+		return 0;
+	spin_lock(&dq_list_lock);
+	if (find_dquot(hashent, sb, id, type) != NODQUOT)
+		ret = 1;
+	spin_unlock(&dq_list_lock);
+	return ret;
+}
+
+/*
  * Get reference to dquot
  * MUST be called with either dqptr_sem or dqonoff_mutex held
  */
-static struct dquot *dqget(struct super_block *sb, unsigned int id, int type)
+struct dquot *dqget(struct super_block *sb, unsigned int id, int type)
 {
 	unsigned int hashent = hashfn(sb, id, type);
 	struct dquot *dquot, *empty = NODQUOT;
 
-        if (!sb_has_quota_enabled(sb, type))
+        if (!sb_has_quota_active(sb, type))
 		return NODQUOT;
 we_slept:
 	spin_lock(&dq_list_lock);
@@ -682,7 +750,7 @@
 		dqstats.lookups++;
 		spin_unlock(&dq_list_lock);
 		if (empty)
-			kmem_cache_free(dquot_cachep, empty);
+			do_destroy_dquot(empty);
 	}
 	/* Wait for dq_lock - after this we know that either dquot_release() is already
 	 * finished or it will be canceled due to dq_count > 1 test */
@@ -820,7 +888,7 @@
 	}
 }
 
-static inline void dquot_incr_inodes(struct dquot *dquot, unsigned long number)
+static inline void dquot_incr_inodes(struct dquot *dquot, qsize_t number)
 {
 	dquot->dq_dqb.dqb_curinodes += number;
 }
@@ -830,9 +898,10 @@
 	dquot->dq_dqb.dqb_curspace += number;
 }
 
-static inline void dquot_decr_inodes(struct dquot *dquot, unsigned long number)
+static inline void dquot_decr_inodes(struct dquot *dquot, qsize_t number)
 {
-	if (dquot->dq_dqb.dqb_curinodes > number)
+	if (sb_dqopt(dquot->dq_sb)->flags & DQUOT_NEGATIVE_USAGE ||
+	    dquot->dq_dqb.dqb_curinodes >= number)
 		dquot->dq_dqb.dqb_curinodes -= number;
 	else
 		dquot->dq_dqb.dqb_curinodes = 0;
@@ -843,11 +912,12 @@
 
 static inline void dquot_decr_space(struct dquot *dquot, qsize_t number)
 {
-	if (dquot->dq_dqb.dqb_curspace > number)
+	if (sb_dqopt(dquot->dq_sb)->flags & DQUOT_NEGATIVE_USAGE ||
+	    dquot->dq_dqb.dqb_curspace >= number)
 		dquot->dq_dqb.dqb_curspace -= number;
 	else
 		dquot->dq_dqb.dqb_curspace = 0;
-	if (toqb(dquot->dq_dqb.dqb_curspace) <= dquot->dq_dqb.dqb_bsoftlimit)
+	if (dquot->dq_dqb.dqb_curspace <= dquot->dq_dqb.dqb_bsoftlimit)
 		dquot->dq_dqb.dqb_btime = (time_t) 0;
 	clear_bit(DQ_BLKS_B, &dquot->dq_flags);
 }
@@ -1023,10 +1093,11 @@
 }
 
 /* needs dq_data_lock */
-static int check_idq(struct dquot *dquot, ulong inodes, char *warntype)
+static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype)
 {
 	*warntype = QUOTA_NL_NOWARN;
-	if (inodes <= 0 || test_bit(DQ_FAKE_B, &dquot->dq_flags))
+	if (!sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type) ||
+	    test_bit(DQ_FAKE_B, &dquot->dq_flags))
 		return QUOTA_OK;
 
 	if (dquot->dq_dqb.dqb_ihardlimit &&
@@ -1058,11 +1129,12 @@
 static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *warntype)
 {
 	*warntype = QUOTA_NL_NOWARN;
-	if (space <= 0 || test_bit(DQ_FAKE_B, &dquot->dq_flags))
+	if (!sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type) ||
+	    test_bit(DQ_FAKE_B, &dquot->dq_flags))
 		return QUOTA_OK;
 
 	if (dquot->dq_dqb.dqb_bhardlimit &&
-	   toqb(dquot->dq_dqb.dqb_curspace + space) > dquot->dq_dqb.dqb_bhardlimit &&
+	    dquot->dq_dqb.dqb_curspace + space > dquot->dq_dqb.dqb_bhardlimit &&
             !ignore_hardlimit(dquot)) {
 		if (!prealloc)
 			*warntype = QUOTA_NL_BHARDWARN;
@@ -1070,7 +1142,7 @@
 	}
 
 	if (dquot->dq_dqb.dqb_bsoftlimit &&
-	   toqb(dquot->dq_dqb.dqb_curspace + space) > dquot->dq_dqb.dqb_bsoftlimit &&
+	    dquot->dq_dqb.dqb_curspace + space > dquot->dq_dqb.dqb_bsoftlimit &&
 	    dquot->dq_dqb.dqb_btime && get_seconds() >= dquot->dq_dqb.dqb_btime &&
             !ignore_hardlimit(dquot)) {
 		if (!prealloc)
@@ -1079,7 +1151,7 @@
 	}
 
 	if (dquot->dq_dqb.dqb_bsoftlimit &&
-	   toqb(dquot->dq_dqb.dqb_curspace + space) > dquot->dq_dqb.dqb_bsoftlimit &&
+	    dquot->dq_dqb.dqb_curspace + space > dquot->dq_dqb.dqb_bsoftlimit &&
 	    dquot->dq_dqb.dqb_btime == 0) {
 		if (!prealloc) {
 			*warntype = QUOTA_NL_BSOFTWARN;
@@ -1096,10 +1168,11 @@
 	return QUOTA_OK;
 }
 
-static int info_idq_free(struct dquot *dquot, ulong inodes)
+static int info_idq_free(struct dquot *dquot, qsize_t inodes)
 {
 	if (test_bit(DQ_FAKE_B, &dquot->dq_flags) ||
-	    dquot->dq_dqb.dqb_curinodes <= dquot->dq_dqb.dqb_isoftlimit)
+	    dquot->dq_dqb.dqb_curinodes <= dquot->dq_dqb.dqb_isoftlimit ||
+	    !sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type))
 		return QUOTA_NL_NOWARN;
 
 	if (dquot->dq_dqb.dqb_curinodes - inodes <= dquot->dq_dqb.dqb_isoftlimit)
@@ -1113,15 +1186,13 @@
 static int info_bdq_free(struct dquot *dquot, qsize_t space)
 {
 	if (test_bit(DQ_FAKE_B, &dquot->dq_flags) ||
-	    toqb(dquot->dq_dqb.dqb_curspace) <= dquot->dq_dqb.dqb_bsoftlimit)
+	    dquot->dq_dqb.dqb_curspace <= dquot->dq_dqb.dqb_bsoftlimit)
 		return QUOTA_NL_NOWARN;
 
-	if (toqb(dquot->dq_dqb.dqb_curspace - space) <=
-	    dquot->dq_dqb.dqb_bsoftlimit)
+	if (dquot->dq_dqb.dqb_curspace - space <= dquot->dq_dqb.dqb_bsoftlimit)
 		return QUOTA_NL_BSOFTBELOW;
-	if (toqb(dquot->dq_dqb.dqb_curspace) >= dquot->dq_dqb.dqb_bhardlimit &&
-	    toqb(dquot->dq_dqb.dqb_curspace - space) <
-						dquot->dq_dqb.dqb_bhardlimit)
+	if (dquot->dq_dqb.dqb_curspace >= dquot->dq_dqb.dqb_bhardlimit &&
+	    dquot->dq_dqb.dqb_curspace - space < dquot->dq_dqb.dqb_bhardlimit)
 		return QUOTA_NL_BHARDBELOW;
 	return QUOTA_NL_NOWARN;
 }
@@ -1166,17 +1237,23 @@
  * 	Release all quotas referenced by inode
  *	Transaction must be started at an entry
  */
-int dquot_drop(struct inode *inode)
+int dquot_drop_locked(struct inode *inode)
 {
 	int cnt;
 
-	down_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
 		if (inode->i_dquot[cnt] != NODQUOT) {
 			dqput(inode->i_dquot[cnt]);
 			inode->i_dquot[cnt] = NODQUOT;
 		}
 	}
+	return 0;
+}
+
+int dquot_drop(struct inode *inode)
+{
+	down_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
+	dquot_drop_locked(inode);
 	up_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
 	return 0;
 }
@@ -1264,7 +1341,7 @@
 /*
  * This operation can block, but only after everything is updated
  */
-int dquot_alloc_inode(const struct inode *inode, unsigned long number)
+int dquot_alloc_inode(const struct inode *inode, qsize_t number)
 {
 	int cnt, ret = NO_QUOTA;
 	char warntype[MAXQUOTAS];
@@ -1349,7 +1426,7 @@
 /*
  * This operation can block, but only after everything is updated
  */
-int dquot_free_inode(const struct inode *inode, unsigned long number)
+int dquot_free_inode(const struct inode *inode, qsize_t number)
 {
 	unsigned int cnt;
 	char warntype[MAXQUOTAS];
@@ -1495,7 +1572,7 @@
 /* Wrapper for transferring ownership of an inode */
 int vfs_dq_transfer(struct inode *inode, struct iattr *iattr)
 {
-	if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode)) {
+	if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode)) {
 		vfs_dq_init(inode);
 		if (inode->i_sb->dq_op->transfer(inode, iattr) == NO_QUOTA)
 			return 1;
@@ -1533,54 +1610,27 @@
 	.acquire_dquot	= dquot_acquire,
 	.release_dquot	= dquot_release,
 	.mark_dirty	= dquot_mark_dquot_dirty,
-	.write_info	= dquot_commit_info
+	.write_info	= dquot_commit_info,
+	.alloc_dquot	= dquot_alloc,
+	.destroy_dquot	= dquot_destroy,
 };
 
-static inline void set_enable_flags(struct quota_info *dqopt, int type)
-{
-	switch (type) {
-		case USRQUOTA:
-			dqopt->flags |= DQUOT_USR_ENABLED;
-			dqopt->flags &= ~DQUOT_USR_SUSPENDED;
-			break;
-		case GRPQUOTA:
-			dqopt->flags |= DQUOT_GRP_ENABLED;
-			dqopt->flags &= ~DQUOT_GRP_SUSPENDED;
-			break;
-	}
-}
-
-static inline void reset_enable_flags(struct quota_info *dqopt, int type,
-				      int remount)
-{
-	switch (type) {
-		case USRQUOTA:
-			dqopt->flags &= ~DQUOT_USR_ENABLED;
-			if (remount)
-				dqopt->flags |= DQUOT_USR_SUSPENDED;
-			else
-				dqopt->flags &= ~DQUOT_USR_SUSPENDED;
-			break;
-		case GRPQUOTA:
-			dqopt->flags &= ~DQUOT_GRP_ENABLED;
-			if (remount)
-				dqopt->flags |= DQUOT_GRP_SUSPENDED;
-			else
-				dqopt->flags &= ~DQUOT_GRP_SUSPENDED;
-			break;
-	}
-}
-
-
 /*
  * Turn quota off on a device. type == -1 ==> quotaoff for all types (umount)
  */
-int vfs_quota_off(struct super_block *sb, int type, int remount)
+int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags)
 {
 	int cnt, ret = 0;
 	struct quota_info *dqopt = sb_dqopt(sb);
 	struct inode *toputinode[MAXQUOTAS];
 
+	/* Cannot turn off usage accounting without turning off limits, or
+	 * suspend quotas and simultaneously turn quotas off. */
+	if ((flags & DQUOT_USAGE_ENABLED && !(flags & DQUOT_LIMITS_ENABLED))
+	    || (flags & DQUOT_SUSPENDED && flags & (DQUOT_LIMITS_ENABLED |
+	    DQUOT_USAGE_ENABLED)))
+		return -EINVAL;
+
 	/* We need to serialize quota_off() for device */
 	mutex_lock(&dqopt->dqonoff_mutex);
 
@@ -1589,7 +1639,7 @@
 	 * sometimes we are called when fill_super() failed and calling
 	 * sync_fs() in such cases does no good.
 	 */
-	if (!sb_any_quota_enabled(sb) && !sb_any_quota_suspended(sb)) {
+	if (!sb_any_quota_loaded(sb)) {
 		mutex_unlock(&dqopt->dqonoff_mutex);
 		return 0;
 	}
@@ -1597,17 +1647,28 @@
 		toputinode[cnt] = NULL;
 		if (type != -1 && cnt != type)
 			continue;
-		/* If we keep inodes of quota files after remount and quotaoff
-		 * is called, drop kept inodes. */
-		if (!remount && sb_has_quota_suspended(sb, cnt)) {
-			iput(dqopt->files[cnt]);
-			dqopt->files[cnt] = NULL;
-			reset_enable_flags(dqopt, cnt, 0);
+		if (!sb_has_quota_loaded(sb, cnt))
 			continue;
+
+		if (flags & DQUOT_SUSPENDED) {
+			dqopt->flags |=
+				dquot_state_flag(DQUOT_SUSPENDED, cnt);
+		} else {
+			dqopt->flags &= ~dquot_state_flag(flags, cnt);
+			/* Turning off suspended quotas? */
+			if (!sb_has_quota_loaded(sb, cnt) &&
+			    sb_has_quota_suspended(sb, cnt)) {
+				dqopt->flags &=	~dquot_state_flag(
+							DQUOT_SUSPENDED, cnt);
+				iput(dqopt->files[cnt]);
+				dqopt->files[cnt] = NULL;
+				continue;
+			}
 		}
-		if (!sb_has_quota_enabled(sb, cnt))
+
+		/* We still have to keep quota loaded? */
+		if (sb_has_quota_loaded(sb, cnt) && !(flags & DQUOT_SUSPENDED))
 			continue;
-		reset_enable_flags(dqopt, cnt, remount);
 
 		/* Note: these are blocking operations */
 		drop_dquot_ref(sb, cnt);
@@ -1623,7 +1684,7 @@
 		put_quota_format(dqopt->info[cnt].dqi_format);
 
 		toputinode[cnt] = dqopt->files[cnt];
-		if (!remount)
+		if (!sb_has_quota_loaded(sb, cnt))
 			dqopt->files[cnt] = NULL;
 		dqopt->info[cnt].dqi_flags = 0;
 		dqopt->info[cnt].dqi_igrace = 0;
@@ -1631,6 +1692,11 @@
 		dqopt->ops[cnt] = NULL;
 	}
 	mutex_unlock(&dqopt->dqonoff_mutex);
+
+	/* Skip syncing and setting flags if quota files are hidden */
+	if (dqopt->flags & DQUOT_QUOTA_SYS_FILE)
+		goto put_inodes;
+
 	/* Sync the superblock so that buffers with quota data are written to
 	 * disk (and so userspace sees correct data afterwards). */
 	if (sb->s_op->sync_fs)
@@ -1646,7 +1712,7 @@
 			mutex_lock(&dqopt->dqonoff_mutex);
 			/* If quota was reenabled in the meantime, we have
 			 * nothing to do */
-			if (!sb_has_quota_enabled(sb, cnt)) {
+			if (!sb_has_quota_loaded(sb, cnt)) {
 				mutex_lock_nested(&toputinode[cnt]->i_mutex, I_MUTEX_QUOTA);
 				toputinode[cnt]->i_flags &= ~(S_IMMUTABLE |
 				  S_NOATIME | S_NOQUOTA);
@@ -1655,26 +1721,43 @@
 				mark_inode_dirty(toputinode[cnt]);
 			}
 			mutex_unlock(&dqopt->dqonoff_mutex);
+		}
+	if (sb->s_bdev)
+		invalidate_bdev(sb->s_bdev);
+put_inodes:
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++)
+		if (toputinode[cnt]) {
 			/* On remount RO, we keep the inode pointer so that we
-			 * can reenable quota on the subsequent remount RW.
-			 * But we have better not keep inode pointer when there
-			 * is pending delete on the quota file... */
-			if (!remount)
+			 * can reenable quota on the subsequent remount RW. We
+			 * have to check 'flags' variable and not use sb_has_
+			 * function because another quotaon / quotaoff could
+			 * change global state before we got here. We refuse
+			 * to suspend quotas when there is pending delete on
+			 * the quota file... */
+			if (!(flags & DQUOT_SUSPENDED))
 				iput(toputinode[cnt]);
 			else if (!toputinode[cnt]->i_nlink)
 				ret = -EBUSY;
 		}
-	if (sb->s_bdev)
-		invalidate_bdev(sb->s_bdev);
 	return ret;
 }
 
+int vfs_quota_off(struct super_block *sb, int type, int remount)
+{
+	return vfs_quota_disable(sb, type, remount ? DQUOT_SUSPENDED :
+				 (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED));
+}
+
 /*
  *	Turn quotas on on a device
  */
 
-/* Helper function when we already have the inode */
-static int vfs_quota_on_inode(struct inode *inode, int type, int format_id)
+/*
+ * Helper function to turn quotas on when we already have the inode of
+ * quota file and no quota information is loaded.
+ */
+static int vfs_load_quota_inode(struct inode *inode, int type, int format_id,
+	unsigned int flags)
 {
 	struct quota_format_type *fmt = find_quota_format(format_id);
 	struct super_block *sb = inode->i_sb;
@@ -1696,27 +1779,37 @@
 		error = -EINVAL;
 		goto out_fmt;
 	}
+	/* Usage always has to be set... */
+	if (!(flags & DQUOT_USAGE_ENABLED)) {
+		error = -EINVAL;
+		goto out_fmt;
+	}
 
-	/* As we bypass the pagecache we must now flush the inode so that
-	 * we see all the changes from userspace... */
-	write_inode_now(inode, 1);
-	/* And now flush the block cache so that kernel sees the changes */
-	invalidate_bdev(sb->s_bdev);
+	if (!(dqopt->flags & DQUOT_QUOTA_SYS_FILE)) {
+		/* As we bypass the pagecache we must now flush the inode so
+		 * that we see all the changes from userspace... */
+		write_inode_now(inode, 1);
+		/* And now flush the block cache so that kernel sees the
+		 * changes */
+		invalidate_bdev(sb->s_bdev);
+	}
 	mutex_lock(&inode->i_mutex);
 	mutex_lock(&dqopt->dqonoff_mutex);
-	if (sb_has_quota_enabled(sb, type) ||
-			sb_has_quota_suspended(sb, type)) {
+	if (sb_has_quota_loaded(sb, type)) {
 		error = -EBUSY;
 		goto out_lock;
 	}
-	/* We don't want quota and atime on quota files (deadlocks possible)
-	 * Also nobody should write to the file - we use special IO operations
-	 * which ignore the immutable bit. */
-	down_write(&dqopt->dqptr_sem);
-	oldflags = inode->i_flags & (S_NOATIME | S_IMMUTABLE | S_NOQUOTA);
-	inode->i_flags |= S_NOQUOTA | S_NOATIME | S_IMMUTABLE;
-	up_write(&dqopt->dqptr_sem);
-	sb->dq_op->drop(inode);
+
+	if (!(dqopt->flags & DQUOT_QUOTA_SYS_FILE)) {
+		/* We don't want quota and atime on quota files (deadlocks
+		 * possible) Also nobody should write to the file - we use
+		 * special IO operations which ignore the immutable bit. */
+		down_write(&dqopt->dqptr_sem);
+		oldflags = inode->i_flags & (S_NOATIME | S_IMMUTABLE | S_NOQUOTA);
+		inode->i_flags |= S_NOQUOTA | S_NOATIME | S_IMMUTABLE;
+		up_write(&dqopt->dqptr_sem);
+		sb->dq_op->drop(inode);
+	}
 
 	error = -EIO;
 	dqopt->files[type] = igrab(inode);
@@ -1737,7 +1830,7 @@
 	}
 	mutex_unlock(&dqopt->dqio_mutex);
 	mutex_unlock(&inode->i_mutex);
-	set_enable_flags(dqopt, type);
+	dqopt->flags |= dquot_state_flag(flags, type);
 
 	add_dquot_ref(sb, type);
 	mutex_unlock(&dqopt->dqonoff_mutex);
@@ -1770,20 +1863,23 @@
 	struct quota_info *dqopt = sb_dqopt(sb);
 	struct inode *inode;
 	int ret;
+	unsigned int flags;
 
 	mutex_lock(&dqopt->dqonoff_mutex);
 	if (!sb_has_quota_suspended(sb, type)) {
 		mutex_unlock(&dqopt->dqonoff_mutex);
 		return 0;
 	}
-	BUG_ON(sb_has_quota_enabled(sb, type));
-
 	inode = dqopt->files[type];
 	dqopt->files[type] = NULL;
-	reset_enable_flags(dqopt, type, 0);
+	flags = dqopt->flags & dquot_state_flag(DQUOT_USAGE_ENABLED |
+						DQUOT_LIMITS_ENABLED, type);
+	dqopt->flags &= ~dquot_state_flag(DQUOT_STATE_FLAGS, type);
 	mutex_unlock(&dqopt->dqonoff_mutex);
 
-	ret = vfs_quota_on_inode(inode, type, dqopt->info[type].dqi_fmt_id);
+	flags = dquot_generic_flag(flags, type);
+	ret = vfs_load_quota_inode(inode, type, dqopt->info[type].dqi_fmt_id,
+				   flags);
 	iput(inode);
 
 	return ret;
@@ -1799,12 +1895,12 @@
 	if (path->mnt->mnt_sb != sb)
 		error = -EXDEV;
 	else
-		error = vfs_quota_on_inode(path->dentry->d_inode, type,
-					   format_id);
+		error = vfs_load_quota_inode(path->dentry->d_inode, type,
+					     format_id, DQUOT_USAGE_ENABLED |
+					     DQUOT_LIMITS_ENABLED);
 	return error;
 }
 
-/* Actual function called from quotactl() */
 int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name,
 		 int remount)
 {
@@ -1823,6 +1919,50 @@
 }
 
 /*
+ * More powerful function for turning on quotas allowing setting
+ * of individual quota flags
+ */
+int vfs_quota_enable(struct inode *inode, int type, int format_id,
+		unsigned int flags)
+{
+	int ret = 0;
+	struct super_block *sb = inode->i_sb;
+	struct quota_info *dqopt = sb_dqopt(sb);
+
+	/* Just unsuspend quotas? */
+	if (flags & DQUOT_SUSPENDED)
+		return vfs_quota_on_remount(sb, type);
+	if (!flags)
+		return 0;
+	/* Just updating flags needed? */
+	if (sb_has_quota_loaded(sb, type)) {
+		mutex_lock(&dqopt->dqonoff_mutex);
+		/* Now do a reliable test... */
+		if (!sb_has_quota_loaded(sb, type)) {
+			mutex_unlock(&dqopt->dqonoff_mutex);
+			goto load_quota;
+		}
+		if (flags & DQUOT_USAGE_ENABLED &&
+		    sb_has_quota_usage_enabled(sb, type)) {
+			ret = -EBUSY;
+			goto out_lock;
+		}
+		if (flags & DQUOT_LIMITS_ENABLED &&
+		    sb_has_quota_limits_enabled(sb, type)) {
+			ret = -EBUSY;
+			goto out_lock;
+		}
+		sb_dqopt(sb)->flags |= dquot_state_flag(flags, type);
+out_lock:
+		mutex_unlock(&dqopt->dqonoff_mutex);
+		return ret;
+	}
+
+load_quota:
+	return vfs_load_quota_inode(inode, type, format_id, flags);
+}
+
+/*
  * This function is used when filesystem needs to initialize quotas
  * during mount time.
  */
@@ -1843,7 +1983,8 @@
 
 	error = security_quota_on(dentry);
 	if (!error)
-		error = vfs_quota_on_inode(dentry->d_inode, type, format_id);
+		error = vfs_load_quota_inode(dentry->d_inode, type, format_id,
+				DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
 
 out:
 	dput(dentry);
@@ -1866,14 +2007,24 @@
 	return ret;
 }
 
+static inline qsize_t qbtos(qsize_t blocks)
+{
+	return blocks << QIF_DQBLKSIZE_BITS;
+}
+
+static inline qsize_t stoqb(qsize_t space)
+{
+	return (space + QIF_DQBLKSIZE - 1) >> QIF_DQBLKSIZE_BITS;
+}
+
 /* Generic routine for getting common part of quota structure */
 static void do_get_dqblk(struct dquot *dquot, struct if_dqblk *di)
 {
 	struct mem_dqblk *dm = &dquot->dq_dqb;
 
 	spin_lock(&dq_data_lock);
-	di->dqb_bhardlimit = dm->dqb_bhardlimit;
-	di->dqb_bsoftlimit = dm->dqb_bsoftlimit;
+	di->dqb_bhardlimit = stoqb(dm->dqb_bhardlimit);
+	di->dqb_bsoftlimit = stoqb(dm->dqb_bsoftlimit);
 	di->dqb_curspace = dm->dqb_curspace;
 	di->dqb_ihardlimit = dm->dqb_ihardlimit;
 	di->dqb_isoftlimit = dm->dqb_isoftlimit;
@@ -1918,28 +2069,36 @@
 	if (di->dqb_valid & QIF_SPACE) {
 		dm->dqb_curspace = di->dqb_curspace;
 		check_blim = 1;
+		__set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags);
 	}
 	if (di->dqb_valid & QIF_BLIMITS) {
-		dm->dqb_bsoftlimit = di->dqb_bsoftlimit;
-		dm->dqb_bhardlimit = di->dqb_bhardlimit;
+		dm->dqb_bsoftlimit = qbtos(di->dqb_bsoftlimit);
+		dm->dqb_bhardlimit = qbtos(di->dqb_bhardlimit);
 		check_blim = 1;
+		__set_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags);
 	}
 	if (di->dqb_valid & QIF_INODES) {
 		dm->dqb_curinodes = di->dqb_curinodes;
 		check_ilim = 1;
+		__set_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags);
 	}
 	if (di->dqb_valid & QIF_ILIMITS) {
 		dm->dqb_isoftlimit = di->dqb_isoftlimit;
 		dm->dqb_ihardlimit = di->dqb_ihardlimit;
 		check_ilim = 1;
+		__set_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags);
 	}
-	if (di->dqb_valid & QIF_BTIME)
+	if (di->dqb_valid & QIF_BTIME) {
 		dm->dqb_btime = di->dqb_btime;
-	if (di->dqb_valid & QIF_ITIME)
+		__set_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags);
+	}
+	if (di->dqb_valid & QIF_ITIME) {
 		dm->dqb_itime = di->dqb_itime;
+		__set_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags);
+	}
 
 	if (check_blim) {
-		if (!dm->dqb_bsoftlimit || toqb(dm->dqb_curspace) < dm->dqb_bsoftlimit) {
+		if (!dm->dqb_bsoftlimit || dm->dqb_curspace < dm->dqb_bsoftlimit) {
 			dm->dqb_btime = 0;
 			clear_bit(DQ_BLKS_B, &dquot->dq_flags);
 		}
@@ -1970,12 +2129,14 @@
 	int rc;
 
 	mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
-	if (!(dquot = dqget(sb, id, type))) {
-		mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
-		return -ESRCH;
+	dquot = dqget(sb, id, type);
+	if (!dquot) {
+		rc = -ESRCH;
+		goto out;
 	}
 	rc = do_set_dqblk(dquot, di);
 	dqput(dquot);
+out:
 	mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
 	return rc;
 }
@@ -1986,7 +2147,7 @@
 	struct mem_dqinfo *mi;
   
 	mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
-	if (!sb_has_quota_enabled(sb, type)) {
+	if (!sb_has_quota_active(sb, type)) {
 		mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
 		return -ESRCH;
 	}
@@ -2005,11 +2166,12 @@
 int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)
 {
 	struct mem_dqinfo *mi;
+	int err = 0;
 
 	mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
-	if (!sb_has_quota_enabled(sb, type)) {
-		mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
-		return -ESRCH;
+	if (!sb_has_quota_active(sb, type)) {
+		err = -ESRCH;
+		goto out;
 	}
 	mi = sb_dqopt(sb)->info + type;
 	spin_lock(&dq_data_lock);
@@ -2023,8 +2185,9 @@
 	mark_info_dirty(sb, type);
 	/* Force write to disk */
 	sb->dq_op->write_info(sb, type);
+out:
 	mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
-	return 0;
+	return err;
 }
 
 struct quotactl_ops vfs_quotactl_ops = {
@@ -2186,10 +2349,13 @@
 EXPORT_SYMBOL(unregister_quota_format);
 EXPORT_SYMBOL(dqstats);
 EXPORT_SYMBOL(dq_data_lock);
+EXPORT_SYMBOL(vfs_quota_enable);
 EXPORT_SYMBOL(vfs_quota_on);
 EXPORT_SYMBOL(vfs_quota_on_path);
 EXPORT_SYMBOL(vfs_quota_on_mount);
+EXPORT_SYMBOL(vfs_quota_disable);
 EXPORT_SYMBOL(vfs_quota_off);
+EXPORT_SYMBOL(dquot_scan_active);
 EXPORT_SYMBOL(vfs_quota_sync);
 EXPORT_SYMBOL(vfs_get_dqinfo);
 EXPORT_SYMBOL(vfs_set_dqinfo);
@@ -2202,7 +2368,11 @@
 EXPORT_SYMBOL(dquot_mark_dquot_dirty);
 EXPORT_SYMBOL(dquot_initialize);
 EXPORT_SYMBOL(dquot_drop);
+EXPORT_SYMBOL(dquot_drop_locked);
 EXPORT_SYMBOL(vfs_dq_drop);
+EXPORT_SYMBOL(dqget);
+EXPORT_SYMBOL(dqput);
+EXPORT_SYMBOL(dquot_is_cached);
 EXPORT_SYMBOL(dquot_alloc_space);
 EXPORT_SYMBOL(dquot_alloc_inode);
 EXPORT_SYMBOL(dquot_free_space);
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index eb3dc4c..7138343 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -275,18 +275,9 @@
 static int
 ecryptfs_fsync(struct file *file, struct dentry *dentry, int datasync)
 {
-	struct file *lower_file = ecryptfs_file_to_lower(file);
-	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
-	struct inode *lower_inode = lower_dentry->d_inode;
-	int rc = -EINVAL;
-
-	if (lower_inode->i_fop->fsync) {
-		mutex_lock(&lower_inode->i_mutex);
-		rc = lower_inode->i_fop->fsync(lower_file, lower_dentry,
-					       datasync);
-		mutex_unlock(&lower_inode->i_mutex);
-	}
-	return rc;
+	return vfs_fsync(ecryptfs_file_to_lower(file),
+			 ecryptfs_dentry_to_lower(dentry),
+			 datasync);
 }
 
 static int ecryptfs_fasync(int fd, struct file *file, int flag)
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 5e78fc1..0111906 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -612,8 +612,7 @@
 	struct ecryptfs_crypt_stat *crypt_stat;
 
 	lower_dentry = ecryptfs_dentry_to_lower(dentry);
-	if (!lower_dentry->d_inode->i_op ||
-	    !lower_dentry->d_inode->i_op->readlink) {
+	if (!lower_dentry->d_inode->i_op->readlink) {
 		rc = -EINVAL;
 		goto out;
 	}
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 04d7b3f..46cec2b 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -288,7 +288,7 @@
 	loff_t prev_page_end_size;
 	int rc = 0;
 
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page)
 		return -ENOMEM;
 	*pagep = page;
diff --git a/fs/exec.c b/fs/exec.c
index 3ef9cf9..9c33f54 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -51,6 +51,7 @@
 #include <linux/audit.h>
 #include <linux/tracehook.h>
 #include <linux/kmod.h>
+#include <linux/fsnotify.h>
 
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
@@ -132,6 +133,8 @@
 	if (IS_ERR(file))
 		goto out;
 
+	fsnotify_open(file->f_path.dentry);
+
 	error = -ENOEXEC;
 	if(file->f_op) {
 		struct linux_binfmt * fmt;
@@ -684,6 +687,8 @@
 	if (IS_ERR(file))
 		return file;
 
+	fsnotify_open(file->f_path.dentry);
+
 	err = deny_write_access(file);
 	if (err) {
 		fput(file);
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index c4bdccf..5fa453b 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1161,7 +1161,7 @@
 	to = from + len;
 
 retry:
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page)
 		return -ENOMEM;
 	*pagep = page;
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 297ea8d..1dd2abe 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -2175,8 +2175,7 @@
 		 * We have a transaction open.  All is sweetness.  It also sets
 		 * i_size in generic_commit_write().
 		 */
-		err = __page_symlink(inode, symname, l,
-				mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS);
+		err = __page_symlink(inode, symname, l, 1);
 		if (err) {
 			drop_nlink(inode);
 			unlock_new_inode(inode);
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index f6c94f2..c22d014 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -713,7 +713,9 @@
 	.acquire_dquot	= ext3_acquire_dquot,
 	.release_dquot	= ext3_release_dquot,
 	.mark_dirty	= ext3_mark_dquot_dirty,
-	.write_info	= ext3_write_info
+	.write_info	= ext3_write_info,
+	.alloc_dquot	= dquot_alloc,
+	.destroy_dquot	= dquot_destroy,
 };
 
 static struct quotactl_ops ext3_qctl_operations = {
@@ -1035,8 +1037,7 @@
 		case Opt_grpjquota:
 			qtype = GRPQUOTA;
 set_qf_name:
-			if ((sb_any_quota_enabled(sb) ||
-			     sb_any_quota_suspended(sb)) &&
+			if (sb_any_quota_loaded(sb) &&
 			    !sbi->s_qf_names[qtype]) {
 				printk(KERN_ERR
 					"EXT3-fs: Cannot change journaled "
@@ -1075,8 +1076,7 @@
 		case Opt_offgrpjquota:
 			qtype = GRPQUOTA;
 clear_qf_name:
-			if ((sb_any_quota_enabled(sb) ||
-			     sb_any_quota_suspended(sb)) &&
+			if (sb_any_quota_loaded(sb) &&
 			    sbi->s_qf_names[qtype]) {
 				printk(KERN_ERR "EXT3-fs: Cannot change "
 					"journaled quota options when "
@@ -1095,8 +1095,7 @@
 		case Opt_jqfmt_vfsv0:
 			qfmt = QFMT_VFS_V0;
 set_qf_format:
-			if ((sb_any_quota_enabled(sb) ||
-			     sb_any_quota_suspended(sb)) &&
+			if (sb_any_quota_loaded(sb) &&
 			    sbi->s_jquota_fmt != qfmt) {
 				printk(KERN_ERR "EXT3-fs: Cannot change "
 					"journaled quota options when "
@@ -1115,8 +1114,7 @@
 			set_opt(sbi->s_mount_opt, GRPQUOTA);
 			break;
 		case Opt_noquota:
-			if (sb_any_quota_enabled(sb) ||
-			    sb_any_quota_suspended(sb)) {
+			if (sb_any_quota_loaded(sb)) {
 				printk(KERN_ERR "EXT3-fs: Cannot change quota "
 					"options when quota turned on.\n");
 				return 0;
diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h
index 445fde6..b21f167 100644
--- a/fs/ext4/ext4_sb.h
+++ b/fs/ext4/ext4_sb.h
@@ -146,4 +146,10 @@
 	struct flex_groups *s_flex_groups;
 };
 
+static inline spinlock_t *
+sb_bgl_lock(struct ext4_sb_info *sbi, unsigned int block_group)
+{
+	return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group);
+}
+
 #endif	/* _EXT4_SB */
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 7c3325e..6702a49 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1346,7 +1346,7 @@
 		goto out;
 	}
 
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page) {
 		ext4_journal_stop(handle);
 		ret = -ENOMEM;
@@ -2550,7 +2550,7 @@
 		goto out;
 	}
 
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page) {
 		ext4_journal_stop(handle);
 		ret = -ENOMEM;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index da98a90..9fd2a5e 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2212,8 +2212,7 @@
 		 * We have a transaction open.  All is sweetness.  It also sets
 		 * i_size in generic_commit_write().
 		 */
-		err = __page_symlink(inode, symname, l,
-				mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS);
+		err = __page_symlink(inode, symname, l, 1);
 		if (err) {
 			clear_nlink(inode);
 			unlock_new_inode(inode);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 04158ad..9494bb2 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -803,7 +803,9 @@
 	.acquire_dquot	= ext4_acquire_dquot,
 	.release_dquot	= ext4_release_dquot,
 	.mark_dirty	= ext4_mark_dquot_dirty,
-	.write_info	= ext4_write_info
+	.write_info	= ext4_write_info,
+	.alloc_dquot	= dquot_alloc,
+	.destroy_dquot	= dquot_destroy,
 };
 
 static struct quotactl_ops ext4_qctl_operations = {
@@ -1142,8 +1144,7 @@
 		case Opt_grpjquota:
 			qtype = GRPQUOTA;
 set_qf_name:
-			if ((sb_any_quota_enabled(sb) ||
-			     sb_any_quota_suspended(sb)) &&
+			if (sb_any_quota_loaded(sb) &&
 			    !sbi->s_qf_names[qtype]) {
 				printk(KERN_ERR
 				       "EXT4-fs: Cannot change journaled "
@@ -1182,8 +1183,7 @@
 		case Opt_offgrpjquota:
 			qtype = GRPQUOTA;
 clear_qf_name:
-			if ((sb_any_quota_enabled(sb) ||
-			     sb_any_quota_suspended(sb)) &&
+			if (sb_any_quota_loaded(sb) &&
 			    sbi->s_qf_names[qtype]) {
 				printk(KERN_ERR "EXT4-fs: Cannot change "
 					"journaled quota options when "
@@ -1202,8 +1202,7 @@
 		case Opt_jqfmt_vfsv0:
 			qfmt = QFMT_VFS_V0;
 set_qf_format:
-			if ((sb_any_quota_enabled(sb) ||
-			     sb_any_quota_suspended(sb)) &&
+			if (sb_any_quota_loaded(sb) &&
 			    sbi->s_jquota_fmt != qfmt) {
 				printk(KERN_ERR "EXT4-fs: Cannot change "
 					"journaled quota options when "
@@ -1222,7 +1221,7 @@
 			set_opt(sbi->s_mount_opt, GRPQUOTA);
 			break;
 		case Opt_noquota:
-			if (sb_any_quota_enabled(sb)) {
+			if (sb_any_quota_loaded(sb)) {
 				printk(KERN_ERR "EXT4-fs: Cannot change quota "
 					"options when quota turned on.\n");
 				return 0;
diff --git a/fs/filesystems.c b/fs/filesystems.c
index d0e20ce..d488dcd 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -253,24 +253,27 @@
 module_init(proc_filesystems_init);
 #endif
 
-struct file_system_type *get_fs_type(const char *name)
+static struct file_system_type *__get_fs_type(const char *name, int len)
 {
 	struct file_system_type *fs;
-	const char *dot = strchr(name, '.');
-	unsigned len = dot ? dot - name : strlen(name);
 
 	read_lock(&file_systems_lock);
 	fs = *(find_filesystem(name, len));
 	if (fs && !try_module_get(fs->owner))
 		fs = NULL;
 	read_unlock(&file_systems_lock);
-	if (!fs && (request_module("%.*s", len, name) == 0)) {
-		read_lock(&file_systems_lock);
-		fs = *(find_filesystem(name, len));
-		if (fs && !try_module_get(fs->owner))
-			fs = NULL;
-		read_unlock(&file_systems_lock);
-	}
+	return fs;
+}
+
+struct file_system_type *get_fs_type(const char *name)
+{
+	struct file_system_type *fs;
+	const char *dot = strchr(name, '.');
+	int len = dot ? dot - name : strlen(name);
+
+	fs = __get_fs_type(name, len);
+	if (!fs && (request_module("%.*s", len, name) == 0))
+		fs = __get_fs_type(name, len);
 
 	if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) {
 		put_filesystem(fs);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 34930a9..4c9ee70 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -646,7 +646,7 @@
 {
 	pgoff_t index = pos >> PAGE_CACHE_SHIFT;
 
-	*pagep = __grab_cache_page(mapping, index);
+	*pagep = grab_cache_page_write_begin(mapping, index, flags);
 	if (!*pagep)
 		return -ENOMEM;
 	return 0;
@@ -779,7 +779,7 @@
 			break;
 
 		err = -ENOMEM;
-		page = __grab_cache_page(mapping, index);
+		page = grab_cache_page_write_begin(mapping, index, 0);
 		if (!page)
 			break;
 
diff --git a/fs/gfs2/Makefile b/fs/gfs2/Makefile
index ec65851..c1b4ec6a 100644
--- a/fs/gfs2/Makefile
+++ b/fs/gfs2/Makefile
@@ -1,5 +1,5 @@
 obj-$(CONFIG_GFS2_FS) += gfs2.o
-gfs2-y := acl.o bmap.o daemon.o dir.o eaops.o eattr.o glock.o \
+gfs2-y := acl.o bmap.o dir.o eaops.o eattr.o glock.o \
 	glops.o inode.o log.o lops.o locking.o main.o meta_io.o \
 	mount.o ops_address.o ops_dentry.o ops_export.o ops_file.o \
 	ops_fstype.o ops_inode.o ops_super.o quota.o \
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 3e9bd46..e335dce 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -91,7 +91,7 @@
 	struct gfs2_ea_location el_this;
 	int error;
 
-	if (!ip->i_di.di_eattr)
+	if (!ip->i_eattr)
 		return 0;
 
 	memset(&er, 0, sizeof(struct gfs2_ea_request));
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index bec76b1..11ffc56 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -75,9 +75,9 @@
 		void *kaddr = kmap(page);
 
 		memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode),
-		       ip->i_di.di_size);
-		memset(kaddr + ip->i_di.di_size, 0,
-		       PAGE_CACHE_SIZE - ip->i_di.di_size);
+		       ip->i_disksize);
+		memset(kaddr + ip->i_disksize, 0,
+		       PAGE_CACHE_SIZE - ip->i_disksize);
 		kunmap(page);
 
 		SetPageUptodate(page);
@@ -132,7 +132,7 @@
 	if (error)
 		goto out;
 
-	if (ip->i_di.di_size) {
+	if (ip->i_disksize) {
 		/* Get a free block, fill it with the stuffed data,
 		   and write it out to disk */
 
@@ -159,7 +159,7 @@
 	di = (struct gfs2_dinode *)dibh->b_data;
 	gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
 
-	if (ip->i_di.di_size) {
+	if (ip->i_disksize) {
 		*(__be64 *)(di + 1) = cpu_to_be64(block);
 		gfs2_add_inode_blocks(&ip->i_inode, 1);
 		di->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode));
@@ -926,7 +926,7 @@
 		}
 	}
 
-	ip->i_di.di_size = size;
+	ip->i_disksize = size;
 	ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
 	gfs2_trans_add_bh(ip->i_gl, dibh, 1);
 	gfs2_dinode_out(ip, dibh->b_data);
@@ -1033,7 +1033,7 @@
 		goto out;
 
 	if (gfs2_is_stuffed(ip)) {
-		ip->i_di.di_size = size;
+		ip->i_disksize = size;
 		ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
 		gfs2_trans_add_bh(ip->i_gl, dibh, 1);
 		gfs2_dinode_out(ip, dibh->b_data);
@@ -1045,9 +1045,9 @@
 			error = gfs2_block_truncate_page(ip->i_inode.i_mapping);
 
 		if (!error) {
-			ip->i_di.di_size = size;
+			ip->i_disksize = size;
 			ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
-			ip->i_di.di_flags |= GFS2_DIF_TRUNC_IN_PROG;
+			ip->i_diskflags |= GFS2_DIF_TRUNC_IN_PROG;
 			gfs2_trans_add_bh(ip->i_gl, dibh, 1);
 			gfs2_dinode_out(ip, dibh->b_data);
 		}
@@ -1114,13 +1114,13 @@
 	if (error)
 		goto out;
 
-	if (!ip->i_di.di_size) {
+	if (!ip->i_disksize) {
 		ip->i_height = 0;
 		ip->i_goal = ip->i_no_addr;
 		gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
 	}
 	ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
-	ip->i_di.di_flags &= ~GFS2_DIF_TRUNC_IN_PROG;
+	ip->i_diskflags &= ~GFS2_DIF_TRUNC_IN_PROG;
 
 	gfs2_trans_add_bh(ip->i_gl, dibh, 1);
 	gfs2_dinode_out(ip, dibh->b_data);
@@ -1205,9 +1205,9 @@
 	if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), S_ISREG(ip->i_inode.i_mode)))
 		return -EINVAL;
 
-	if (size > ip->i_di.di_size)
+	if (size > ip->i_disksize)
 		error = do_grow(ip, size);
-	else if (size < ip->i_di.di_size)
+	else if (size < ip->i_disksize)
 		error = do_shrink(ip, size);
 	else
 		/* update time stamps */
@@ -1219,7 +1219,7 @@
 int gfs2_truncatei_resume(struct gfs2_inode *ip)
 {
 	int error;
-	error = trunc_dealloc(ip, ip->i_di.di_size);
+	error = trunc_dealloc(ip, ip->i_disksize);
 	if (!error)
 		error = trunc_end(ip);
 	return error;
@@ -1231,35 +1231,6 @@
 }
 
 /**
- * gfs2_write_calc_reserv - calculate number of blocks needed to write to a file
- * @ip: the file
- * @len: the number of bytes to be written to the file
- * @data_blocks: returns the number of data blocks required
- * @ind_blocks: returns the number of indirect blocks required
- *
- */
-
-void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len,
-			    unsigned int *data_blocks, unsigned int *ind_blocks)
-{
-	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
-	unsigned int tmp;
-
-	if (gfs2_is_dir(ip)) {
-		*data_blocks = DIV_ROUND_UP(len, sdp->sd_jbsize) + 2;
-		*ind_blocks = 3 * (sdp->sd_max_jheight - 1);
-	} else {
-		*data_blocks = (len >> sdp->sd_sb.sb_bsize_shift) + 3;
-		*ind_blocks = 3 * (sdp->sd_max_height - 1);
-	}
-
-	for (tmp = *data_blocks; tmp > sdp->sd_diptrs;) {
-		tmp = DIV_ROUND_UP(tmp, sdp->sd_inptrs);
-		*ind_blocks += tmp;
-	}
-}
-
-/**
  * gfs2_write_alloc_required - figure out if a write will require an allocation
  * @ip: the file being written to
  * @offset: the offset to write to
@@ -1276,6 +1247,7 @@
 	struct buffer_head bh;
 	unsigned int shift;
 	u64 lblock, lblock_stop, size;
+	u64 end_of_file;
 
 	*alloc_required = 0;
 
@@ -1291,19 +1263,12 @@
 
 	*alloc_required = 1;
 	shift = sdp->sd_sb.sb_bsize_shift;
-	if (gfs2_is_dir(ip)) {
-		unsigned int bsize = sdp->sd_jbsize;
-		lblock = offset;
-		do_div(lblock, bsize);
-		lblock_stop = offset + len + bsize - 1;
-		do_div(lblock_stop, bsize);
-	} else {
-		u64 end_of_file = (ip->i_di.di_size + sdp->sd_sb.sb_bsize - 1) >> shift;
-		lblock = offset >> shift;
-		lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift;
-		if (lblock_stop > end_of_file)
-			return 0;
-	}
+	BUG_ON(gfs2_is_dir(ip));
+	end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift;
+	lblock = offset >> shift;
+	lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift;
+	if (lblock_stop > end_of_file)
+		return 0;
 
 	size = (lblock_stop - lblock) << shift;
 	do {
diff --git a/fs/gfs2/bmap.h b/fs/gfs2/bmap.h
index 4e6cde2..c983177 100644
--- a/fs/gfs2/bmap.h
+++ b/fs/gfs2/bmap.h
@@ -10,10 +10,40 @@
 #ifndef __BMAP_DOT_H__
 #define __BMAP_DOT_H__
 
+#include "inode.h"
+
 struct inode;
 struct gfs2_inode;
 struct page;
 
+
+/**
+ * gfs2_write_calc_reserv - calculate number of blocks needed to write to a file
+ * @ip: the file
+ * @len: the number of bytes to be written to the file
+ * @data_blocks: returns the number of data blocks required
+ * @ind_blocks: returns the number of indirect blocks required
+ *
+ */
+
+static inline void gfs2_write_calc_reserv(const struct gfs2_inode *ip,
+					  unsigned int len,
+					  unsigned int *data_blocks,
+					  unsigned int *ind_blocks)
+{
+	const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
+	unsigned int tmp;
+
+	BUG_ON(gfs2_is_dir(ip));
+	*data_blocks = (len >> sdp->sd_sb.sb_bsize_shift) + 3;
+	*ind_blocks = 3 * (sdp->sd_max_height - 1);
+
+	for (tmp = *data_blocks; tmp > sdp->sd_diptrs;) {
+		tmp = DIV_ROUND_UP(tmp, sdp->sd_inptrs);
+		*ind_blocks += tmp;
+	}
+}
+
 int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page);
 int gfs2_block_map(struct inode *inode, sector_t lblock, struct buffer_head *bh, int create);
 int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsigned *extlen);
@@ -21,10 +51,6 @@
 int gfs2_truncatei(struct gfs2_inode *ip, u64 size);
 int gfs2_truncatei_resume(struct gfs2_inode *ip);
 int gfs2_file_dealloc(struct gfs2_inode *ip);
-
-void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len,
-			    unsigned int *data_blocks,
-			    unsigned int *ind_blocks);
 int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
 			      unsigned int len, int *alloc_required);
 
diff --git a/fs/gfs2/daemon.c b/fs/gfs2/daemon.c
deleted file mode 100644
index e519919..0000000
--- a/fs/gfs2/daemon.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/completion.h>
-#include <linux/buffer_head.h>
-#include <linux/kthread.h>
-#include <linux/delay.h>
-#include <linux/gfs2_ondisk.h>
-#include <linux/lm_interface.h>
-#include <linux/freezer.h>
-
-#include "gfs2.h"
-#include "incore.h"
-#include "daemon.h"
-#include "glock.h"
-#include "log.h"
-#include "quota.h"
-#include "recovery.h"
-#include "super.h"
-#include "util.h"
-
-/* This uses schedule_timeout() instead of msleep() because it's good for
-   the daemons to wake up more often than the timeout when unmounting so
-   the user's unmount doesn't sit there forever.
-
-   The kthread functions used to start these daemons block and flush signals. */
-
-/**
- * gfs2_glockd - Reclaim unused glock structures
- * @sdp: Pointer to GFS2 superblock
- *
- * One or more of these daemons run, reclaiming glocks on sd_reclaim_list.
- * Number of daemons can be set by user, with num_glockd mount option.
- */
-
-int gfs2_glockd(void *data)
-{
-	struct gfs2_sbd *sdp = data;
-
-	while (!kthread_should_stop()) {
-		while (atomic_read(&sdp->sd_reclaim_count))
-			gfs2_reclaim_glock(sdp);
-
-		wait_event_interruptible(sdp->sd_reclaim_wq,
-					 (atomic_read(&sdp->sd_reclaim_count) ||
-					 kthread_should_stop()));
-		if (freezing(current))
-			refrigerator();
-	}
-
-	return 0;
-}
-
-/**
- * gfs2_recoverd - Recover dead machine's journals
- * @sdp: Pointer to GFS2 superblock
- *
- */
-
-int gfs2_recoverd(void *data)
-{
-	struct gfs2_sbd *sdp = data;
-	unsigned long t;
-
-	while (!kthread_should_stop()) {
-		gfs2_check_journals(sdp);
-		t = gfs2_tune_get(sdp,  gt_recoverd_secs) * HZ;
-		if (freezing(current))
-			refrigerator();
-		schedule_timeout_interruptible(t);
-	}
-
-	return 0;
-}
-
-/**
- * gfs2_quotad - Write cached quota changes into the quota file
- * @sdp: Pointer to GFS2 superblock
- *
- */
-
-int gfs2_quotad(void *data)
-{
-	struct gfs2_sbd *sdp = data;
-	unsigned long t;
-	int error;
-
-	while (!kthread_should_stop()) {
-		/* Update the master statfs file */
-
-		t = sdp->sd_statfs_sync_time +
-		    gfs2_tune_get(sdp, gt_statfs_quantum) * HZ;
-
-		if (time_after_eq(jiffies, t)) {
-			error = gfs2_statfs_sync(sdp);
-			if (error &&
-			    error != -EROFS &&
-			    !test_bit(SDF_SHUTDOWN, &sdp->sd_flags))
-				fs_err(sdp, "quotad: (1) error=%d\n", error);
-			sdp->sd_statfs_sync_time = jiffies;
-		}
-
-		/* Update quota file */
-
-		t = sdp->sd_quota_sync_time +
-		    gfs2_tune_get(sdp, gt_quota_quantum) * HZ;
-
-		if (time_after_eq(jiffies, t)) {
-			error = gfs2_quota_sync(sdp);
-			if (error &&
-			    error != -EROFS &&
-			    !test_bit(SDF_SHUTDOWN, &sdp->sd_flags))
-				fs_err(sdp, "quotad: (2) error=%d\n", error);
-			sdp->sd_quota_sync_time = jiffies;
-		}
-
-		gfs2_quota_scan(sdp);
-
-		t = gfs2_tune_get(sdp, gt_quotad_secs) * HZ;
-		if (freezing(current))
-			refrigerator();
-		schedule_timeout_interruptible(t);
-	}
-
-	return 0;
-}
-
diff --git a/fs/gfs2/daemon.h b/fs/gfs2/daemon.h
deleted file mode 100644
index 4be084f..0000000
--- a/fs/gfs2/daemon.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#ifndef __DAEMON_DOT_H__
-#define __DAEMON_DOT_H__
-
-int gfs2_glockd(void *data);
-int gfs2_recoverd(void *data);
-int gfs2_quotad(void *data);
-
-#endif /* __DAEMON_DOT_H__ */
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index eed040d..b7c8e5c 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -36,7 +36,7 @@
  * the block.  In leaves, they begin at offset sizeof(struct gfs2_leaf) from the
  * beginning of the leaf block. The dirents reside in leaves when
  *
- * dip->i_di.di_flags & GFS2_DIF_EXHASH is true
+ * dip->i_diskflags & GFS2_DIF_EXHASH is true
  *
  * Otherwise, the dirents are "linear", within a single stuffed dinode block.
  *
@@ -128,8 +128,8 @@
 
 	gfs2_trans_add_bh(ip->i_gl, dibh, 1);
 	memcpy(dibh->b_data + offset + sizeof(struct gfs2_dinode), buf, size);
-	if (ip->i_di.di_size < offset + size)
-		ip->i_di.di_size = offset + size;
+	if (ip->i_disksize < offset + size)
+		ip->i_disksize = offset + size;
 	ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
 	gfs2_dinode_out(ip, dibh->b_data);
 
@@ -226,8 +226,8 @@
 	if (error)
 		return error;
 
-	if (ip->i_di.di_size < offset + copied)
-		ip->i_di.di_size = offset + copied;
+	if (ip->i_disksize < offset + copied)
+		ip->i_disksize = offset + copied;
 	ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
 
 	gfs2_trans_add_bh(ip->i_gl, dibh, 1);
@@ -277,11 +277,11 @@
 	int copied = 0;
 	int error = 0;
 
-	if (offset >= ip->i_di.di_size)
+	if (offset >= ip->i_disksize)
 		return 0;
 
-	if (offset + size > ip->i_di.di_size)
-		size = ip->i_di.di_size - offset;
+	if (offset + size > ip->i_disksize)
+		size = ip->i_disksize - offset;
 
 	if (!size)
 		return 0;
@@ -755,12 +755,12 @@
 	struct gfs2_inode *ip = GFS2_I(inode);
 	int error;
 
-	if (ip->i_di.di_flags & GFS2_DIF_EXHASH) {
+	if (ip->i_diskflags & GFS2_DIF_EXHASH) {
 		struct gfs2_leaf *leaf;
 		unsigned hsize = 1 << ip->i_depth;
 		unsigned index;
 		u64 ln;
-		if (hsize * sizeof(u64) != ip->i_di.di_size) {
+		if (hsize * sizeof(u64) != ip->i_disksize) {
 			gfs2_consist_inode(ip);
 			return ERR_PTR(-EIO);
 		}
@@ -858,8 +858,8 @@
 		return -ENOSPC;
 	bn = bh->b_blocknr;
 
-	gfs2_assert(sdp, dip->i_di.di_entries < (1 << 16));
-	leaf->lf_entries = cpu_to_be16(dip->i_di.di_entries);
+	gfs2_assert(sdp, dip->i_entries < (1 << 16));
+	leaf->lf_entries = cpu_to_be16(dip->i_entries);
 
 	/*  Copy dirents  */
 
@@ -905,9 +905,9 @@
 	for (x = sdp->sd_hash_ptrs; x--; lp++)
 		*lp = cpu_to_be64(bn);
 
-	dip->i_di.di_size = sdp->sd_sb.sb_bsize / 2;
+	dip->i_disksize = sdp->sd_sb.sb_bsize / 2;
 	gfs2_add_inode_blocks(&dip->i_inode, 1);
-	dip->i_di.di_flags |= GFS2_DIF_EXHASH;
+	dip->i_diskflags |= GFS2_DIF_EXHASH;
 
 	for (x = sdp->sd_hash_ptrs, y = -1; x; x >>= 1, y++) ;
 	dip->i_depth = y;
@@ -1082,7 +1082,7 @@
 	int error = 0;
 
 	hsize = 1 << dip->i_depth;
-	if (hsize * sizeof(u64) != dip->i_di.di_size) {
+	if (hsize * sizeof(u64) != dip->i_disksize) {
 		gfs2_consist_inode(dip);
 		return -EIO;
 	}
@@ -1091,7 +1091,7 @@
 
 	buf = kcalloc(3, sdp->sd_hash_bsize, GFP_NOFS | __GFP_NOFAIL);
 
-	for (block = dip->i_di.di_size >> sdp->sd_hash_bsize_shift; block--;) {
+	for (block = dip->i_disksize >> sdp->sd_hash_bsize_shift; block--;) {
 		error = gfs2_dir_read_data(dip, (char *)buf,
 					    block * sdp->sd_hash_bsize,
 					    sdp->sd_hash_bsize, 1);
@@ -1370,7 +1370,7 @@
 	unsigned depth = 0;
 
 	hsize = 1 << dip->i_depth;
-	if (hsize * sizeof(u64) != dip->i_di.di_size) {
+	if (hsize * sizeof(u64) != dip->i_disksize) {
 		gfs2_consist_inode(dip);
 		return -EIO;
 	}
@@ -1426,10 +1426,10 @@
 	int copied = 0;
 	int error;
 
-	if (!dip->i_di.di_entries)
+	if (!dip->i_entries)
 		return 0;
 
-	if (dip->i_di.di_flags & GFS2_DIF_EXHASH)
+	if (dip->i_diskflags & GFS2_DIF_EXHASH)
 		return dir_e_read(inode, offset, opaque, filldir);
 
 	if (!gfs2_is_stuffed(dip)) {
@@ -1453,17 +1453,17 @@
 			error = PTR_ERR(dent);
 			goto out;
 		}
-		if (dip->i_di.di_entries != g.offset) {
+		if (dip->i_entries != g.offset) {
 			fs_warn(sdp, "Number of entries corrupt in dir %llu, "
-				"ip->i_di.di_entries (%u) != g.offset (%u)\n",
+				"ip->i_entries (%u) != g.offset (%u)\n",
 				(unsigned long long)dip->i_no_addr,
-				dip->i_di.di_entries,
+				dip->i_entries,
 				g.offset);
 			error = -EIO;
 			goto out;
 		}
 		error = do_filldir_main(dip, offset, opaque, filldir, darr,
-					dip->i_di.di_entries, &copied);
+					dip->i_entries, &copied);
 out:
 		kfree(darr);
 	}
@@ -1612,7 +1612,7 @@
 			dent = gfs2_init_dirent(inode, dent, name, bh);
 			gfs2_inum_out(nip, dent);
 			dent->de_type = cpu_to_be16(type);
-			if (ip->i_di.di_flags & GFS2_DIF_EXHASH) {
+			if (ip->i_diskflags & GFS2_DIF_EXHASH) {
 				leaf = (struct gfs2_leaf *)bh->b_data;
 				be16_add_cpu(&leaf->lf_entries, 1);
 			}
@@ -1621,14 +1621,14 @@
 			if (error)
 				break;
 			gfs2_trans_add_bh(ip->i_gl, bh, 1);
-			ip->i_di.di_entries++;
+			ip->i_entries++;
 			ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
 			gfs2_dinode_out(ip, bh->b_data);
 			brelse(bh);
 			error = 0;
 			break;
 		}
-		if (!(ip->i_di.di_flags & GFS2_DIF_EXHASH)) {
+		if (!(ip->i_diskflags & GFS2_DIF_EXHASH)) {
 			error = dir_make_exhash(inode);
 			if (error)
 				break;
@@ -1691,7 +1691,7 @@
 	}
 
 	dirent_del(dip, bh, prev, dent);
-	if (dip->i_di.di_flags & GFS2_DIF_EXHASH) {
+	if (dip->i_diskflags & GFS2_DIF_EXHASH) {
 		struct gfs2_leaf *leaf = (struct gfs2_leaf *)bh->b_data;
 		u16 entries = be16_to_cpu(leaf->lf_entries);
 		if (!entries)
@@ -1704,10 +1704,10 @@
 	if (error)
 		return error;
 
-	if (!dip->i_di.di_entries)
+	if (!dip->i_entries)
 		gfs2_consist_inode(dip);
 	gfs2_trans_add_bh(dip->i_gl, bh, 1);
-	dip->i_di.di_entries--;
+	dip->i_entries--;
 	dip->i_inode.i_mtime = dip->i_inode.i_ctime = CURRENT_TIME;
 	gfs2_dinode_out(dip, bh->b_data);
 	brelse(bh);
@@ -1748,7 +1748,7 @@
 	gfs2_inum_out(nip, dent);
 	dent->de_type = cpu_to_be16(new_type);
 
-	if (dip->i_di.di_flags & GFS2_DIF_EXHASH) {
+	if (dip->i_diskflags & GFS2_DIF_EXHASH) {
 		brelse(bh);
 		error = gfs2_meta_inode_buffer(dip, &bh);
 		if (error)
@@ -1784,7 +1784,7 @@
 	int error = 0;
 
 	hsize = 1 << dip->i_depth;
-	if (hsize * sizeof(u64) != dip->i_di.di_size) {
+	if (hsize * sizeof(u64) != dip->i_disksize) {
 		gfs2_consist_inode(dip);
 		return -EIO;
 	}
diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h
index 8a468ca..4f91944 100644
--- a/fs/gfs2/dir.h
+++ b/fs/gfs2/dir.h
@@ -11,6 +11,7 @@
 #define __DIR_DOT_H__
 
 #include <linux/dcache.h>
+#include <linux/crc32.h>
 
 struct inode;
 struct gfs2_inode;
diff --git a/fs/gfs2/eattr.c b/fs/gfs2/eattr.c
index e3f76f4..0d1c76d 100644
--- a/fs/gfs2/eattr.c
+++ b/fs/gfs2/eattr.c
@@ -114,11 +114,11 @@
 	__be64 *eablk, *end;
 	int error;
 
-	error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, &bh);
+	error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT, &bh);
 	if (error)
 		return error;
 
-	if (!(ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT)) {
+	if (!(ip->i_diskflags & GFS2_DIF_EA_INDIRECT)) {
 		error = ea_foreach_i(ip, bh, ea_call, data);
 		goto out;
 	}
@@ -414,7 +414,7 @@
 	if (error)
 		return error;
 
-	if (ip->i_di.di_eattr) {
+	if (ip->i_eattr) {
 		struct ea_list ei = { .ei_er = er, .ei_size = 0 };
 
 		error = ea_foreach(ip, ea_list_i, &ei);
@@ -514,7 +514,7 @@
 	struct gfs2_ea_location el;
 	int error;
 
-	if (!ip->i_di.di_eattr)
+	if (!ip->i_eattr)
 		return -ENODATA;
 
 	error = gfs2_ea_find(ip, er, &el);
@@ -741,7 +741,7 @@
 	if (error)
 		return error;
 
-	ip->i_di.di_eattr = bh->b_blocknr;
+	ip->i_eattr = bh->b_blocknr;
 	error = ea_write(ip, GFS2_EA_BH2FIRST(bh), er);
 
 	brelse(bh);
@@ -935,10 +935,10 @@
 	int error;
 	int mh_size = sizeof(struct gfs2_meta_header);
 
-	if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) {
+	if (ip->i_diskflags & GFS2_DIF_EA_INDIRECT) {
 		__be64 *end;
 
-		error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT,
+		error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT,
 				       &indbh);
 		if (error)
 			return error;
@@ -972,9 +972,9 @@
 		gfs2_buffer_clear_tail(indbh, mh_size);
 
 		eablk = (__be64 *)(indbh->b_data + mh_size);
-		*eablk = cpu_to_be64(ip->i_di.di_eattr);
-		ip->i_di.di_eattr = blk;
-		ip->i_di.di_flags |= GFS2_DIF_EA_INDIRECT;
+		*eablk = cpu_to_be64(ip->i_eattr);
+		ip->i_eattr = blk;
+		ip->i_diskflags |= GFS2_DIF_EA_INDIRECT;
 		gfs2_add_inode_blocks(&ip->i_inode, 1);
 
 		eablk++;
@@ -1015,7 +1015,7 @@
 	if (error)
 		return error;
 
-	if (!(ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT))
+	if (!(ip->i_diskflags & GFS2_DIF_EA_INDIRECT))
 		blks++;
 	if (GFS2_EAREQ_SIZE_STUFFED(er) > GFS2_SB(&ip->i_inode)->sd_jbsize)
 		blks += DIV_ROUND_UP(er->er_data_len, GFS2_SB(&ip->i_inode)->sd_jbsize);
@@ -1040,7 +1040,7 @@
 	struct gfs2_ea_location el;
 	int error;
 
-	if (!ip->i_di.di_eattr) {
+	if (!ip->i_eattr) {
 		if (er->er_flags & XATTR_REPLACE)
 			return -ENODATA;
 		return ea_init(ip, er);
@@ -1051,7 +1051,7 @@
 		return error;
 
 	if (el.el_ea) {
-		if (ip->i_di.di_flags & GFS2_DIF_APPENDONLY) {
+		if (ip->i_diskflags & GFS2_DIF_APPENDONLY) {
 			brelse(el.el_bh);
 			return -EPERM;
 		}
@@ -1145,7 +1145,7 @@
 	struct gfs2_ea_location el;
 	int error;
 
-	if (!ip->i_di.di_eattr)
+	if (!ip->i_eattr)
 		return -ENODATA;
 
 	error = gfs2_ea_find(ip, er, &el);
@@ -1309,7 +1309,7 @@
 
 	memset(&rlist, 0, sizeof(struct gfs2_rgrp_list));
 
-	error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, &indbh);
+	error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT, &indbh);
 	if (error)
 		return error;
 
@@ -1388,7 +1388,7 @@
 	if (bstart)
 		gfs2_free_meta(ip, bstart, blen);
 
-	ip->i_di.di_flags &= ~GFS2_DIF_EA_INDIRECT;
+	ip->i_diskflags &= ~GFS2_DIF_EA_INDIRECT;
 
 	error = gfs2_meta_inode_buffer(ip, &dibh);
 	if (!error) {
@@ -1416,7 +1416,7 @@
 	struct buffer_head *dibh;
 	int error;
 
-	rgd = gfs2_blk2rgrpd(sdp, ip->i_di.di_eattr);
+	rgd = gfs2_blk2rgrpd(sdp, ip->i_eattr);
 	if (!rgd) {
 		gfs2_consist_inode(ip);
 		return -EIO;
@@ -1432,9 +1432,9 @@
 	if (error)
 		goto out_gunlock;
 
-	gfs2_free_meta(ip, ip->i_di.di_eattr, 1);
+	gfs2_free_meta(ip, ip->i_eattr, 1);
 
-	ip->i_di.di_eattr = 0;
+	ip->i_eattr = 0;
 	gfs2_add_inode_blocks(&ip->i_inode, -1);
 
 	error = gfs2_meta_inode_buffer(ip, &dibh);
@@ -1479,7 +1479,7 @@
 	if (error)
 		goto out_rindex;
 
-	if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) {
+	if (ip->i_diskflags & GFS2_DIF_EA_INDIRECT) {
 		error = ea_dealloc_indirect(ip);
 		if (error)
 			goto out_rindex;
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index c962283..6b983ae 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -40,6 +40,7 @@
 #include "quota.h"
 #include "super.h"
 #include "util.h"
+#include "bmap.h"
 
 struct gfs2_gl_hash_bucket {
         struct hlist_head hb_list;
@@ -61,9 +62,10 @@
 
 static DECLARE_RWSEM(gfs2_umount_flush_sem);
 static struct dentry *gfs2_root;
-static struct task_struct *scand_process;
-static unsigned int scand_secs = 5;
 static struct workqueue_struct *glock_workqueue;
+static LIST_HEAD(lru_list);
+static atomic_t lru_count = ATOMIC_INIT(0);
+static DEFINE_SPINLOCK(lru_lock);
 
 #define GFS2_GL_HASH_SHIFT      15
 #define GFS2_GL_HASH_SIZE       (1 << GFS2_GL_HASH_SHIFT)
@@ -174,6 +176,22 @@
 }
 
 /**
+ * gfs2_glock_schedule_for_reclaim - Add a glock to the reclaim list
+ * @gl: the glock
+ *
+ */
+
+static void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl)
+{
+	spin_lock(&lru_lock);
+	if (list_empty(&gl->gl_lru) && gl->gl_state != LM_ST_UNLOCKED) {
+		list_add_tail(&gl->gl_lru, &lru_list);
+		atomic_inc(&lru_count);
+	}
+	spin_unlock(&lru_lock);
+}
+
+/**
  * gfs2_glock_put() - Decrement reference count on glock
  * @gl: The glock to put
  *
@@ -187,14 +205,23 @@
 	if (atomic_dec_and_test(&gl->gl_ref)) {
 		hlist_del(&gl->gl_list);
 		write_unlock(gl_lock_addr(gl->gl_hash));
+		spin_lock(&lru_lock);
+		if (!list_empty(&gl->gl_lru)) {
+			list_del_init(&gl->gl_lru);
+			atomic_dec(&lru_count);
+		}
+		spin_unlock(&lru_lock);
 		GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_UNLOCKED);
-		GLOCK_BUG_ON(gl, !list_empty(&gl->gl_reclaim));
+		GLOCK_BUG_ON(gl, !list_empty(&gl->gl_lru));
 		GLOCK_BUG_ON(gl, !list_empty(&gl->gl_holders));
 		glock_free(gl);
 		rv = 1;
 		goto out;
 	}
 	write_unlock(gl_lock_addr(gl->gl_hash));
+	/* 1 for being hashed, 1 for having state != LM_ST_UNLOCKED */
+	if (atomic_read(&gl->gl_ref) == 2)
+		gfs2_glock_schedule_for_reclaim(gl);
 out:
 	return rv;
 }
@@ -289,10 +316,13 @@
  * do_promote - promote as many requests as possible on the current queue
  * @gl: The glock
  * 
- * Returns: true if there is a blocked holder at the head of the list
+ * Returns: 1 if there is a blocked holder at the head of the list, or 2
+ *          if a type specific operation is underway.
  */
 
 static int do_promote(struct gfs2_glock *gl)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
 {
 	const struct gfs2_glock_operations *glops = gl->gl_ops;
 	struct gfs2_holder *gh, *tmp;
@@ -310,6 +340,8 @@
 				ret = glops->go_lock(gh);
 				spin_lock(&gl->gl_spin);
 				if (ret) {
+					if (ret == 1)
+						return 2;
 					gh->gh_error = ret;
 					list_del_init(&gh->gh_list);
 					gfs2_holder_wake(gh);
@@ -414,6 +446,7 @@
 	const struct gfs2_glock_operations *glops = gl->gl_ops;
 	struct gfs2_holder *gh;
 	unsigned state = ret & LM_OUT_ST_MASK;
+	int rv;
 
 	spin_lock(&gl->gl_spin);
 	state_change(gl, state);
@@ -468,7 +501,6 @@
 		gfs2_demote_wake(gl);
 	if (state != LM_ST_UNLOCKED) {
 		if (glops->go_xmote_bh) {
-			int rv;
 			spin_unlock(&gl->gl_spin);
 			rv = glops->go_xmote_bh(gl, gh);
 			if (rv == -EAGAIN)
@@ -479,10 +511,13 @@
 				goto out;
 			}
 		}
-		do_promote(gl);
+		rv = do_promote(gl);
+		if (rv == 2)
+			goto out_locked;
 	}
 out:
 	clear_bit(GLF_LOCK, &gl->gl_flags);
+out_locked:
 	spin_unlock(&gl->gl_spin);
 	gfs2_glock_put(gl);
 }
@@ -511,6 +546,8 @@
  */
 
 static void do_xmote(struct gfs2_glock *gl, struct gfs2_holder *gh, unsigned int target)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
 {
 	const struct gfs2_glock_operations *glops = gl->gl_ops;
 	struct gfs2_sbd *sdp = gl->gl_sbd;
@@ -576,8 +613,11 @@
  */
 
 static void run_queue(struct gfs2_glock *gl, const int nonblock)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
 {
 	struct gfs2_holder *gh = NULL;
+	int ret;
 
 	if (test_and_set_bit(GLF_LOCK, &gl->gl_flags))
 		return;
@@ -596,8 +636,11 @@
 	} else {
 		if (test_bit(GLF_DEMOTE, &gl->gl_flags))
 			gfs2_demote_wake(gl);
-		if (do_promote(gl) == 0)
+		ret = do_promote(gl);
+		if (ret == 0)
 			goto out;
+		if (ret == 2)
+			return;
 		gh = find_first_waiter(gl);
 		gl->gl_target = gh->gh_state;
 		if (!(gh->gh_flags & (LM_FLAG_TRY | LM_FLAG_TRY_1CB)))
@@ -820,7 +863,7 @@
  */
 
 static void handle_callback(struct gfs2_glock *gl, unsigned int state,
-			    int remote, unsigned long delay)
+			    unsigned long delay)
 {
 	int bit = delay ? GLF_PENDING_DEMOTE : GLF_DEMOTE;
 
@@ -828,9 +871,6 @@
 	if (gl->gl_demote_state == LM_ST_EXCLUSIVE) {
 		gl->gl_demote_state = state;
 		gl->gl_demote_time = jiffies;
-		if (remote && gl->gl_ops->go_type == LM_TYPE_IOPEN &&
-		    gl->gl_object)
-			gfs2_glock_schedule_for_reclaim(gl);
 	} else if (gl->gl_demote_state != LM_ST_UNLOCKED &&
 			gl->gl_demote_state != state) {
 		gl->gl_demote_state = LM_ST_UNLOCKED;
@@ -877,6 +917,8 @@
  */
 
 static inline void add_to_queue(struct gfs2_holder *gh)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
 {
 	struct gfs2_glock *gl = gh->gh_gl;
 	struct gfs2_sbd *sdp = gl->gl_sbd;
@@ -998,7 +1040,7 @@
 
 	spin_lock(&gl->gl_spin);
 	if (gh->gh_flags & GL_NOCACHE)
-		handle_callback(gl, LM_ST_UNLOCKED, 0, 0);
+		handle_callback(gl, LM_ST_UNLOCKED, 0);
 
 	list_del_init(&gh->gh_list);
 	if (find_first_holder(gl) == NULL) {
@@ -1269,12 +1311,26 @@
 		delay = gl->gl_ops->go_min_hold_time;
 
 	spin_lock(&gl->gl_spin);
-	handle_callback(gl, state, 1, delay);
+	handle_callback(gl, state, delay);
 	spin_unlock(&gl->gl_spin);
 	if (queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0)
 		gfs2_glock_put(gl);
 }
 
+static void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid)
+{
+	struct gfs2_jdesc *jd;
+
+	spin_lock(&sdp->sd_jindex_spin);
+	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
+		if (jd->jd_jid != jid)
+			continue;
+		jd->jd_dirty = 1;
+		break;
+	}
+	spin_unlock(&sdp->sd_jindex_spin);
+}
+
 /**
  * gfs2_glock_cb - Callback used by locking module
  * @sdp: Pointer to the superblock
@@ -1338,80 +1394,83 @@
  * Returns: 1 if it's ok
  */
 
-static int demote_ok(struct gfs2_glock *gl)
+static int demote_ok(const struct gfs2_glock *gl)
 {
 	const struct gfs2_glock_operations *glops = gl->gl_ops;
-	int demote = 1;
 
-	if (test_bit(GLF_STICKY, &gl->gl_flags))
-		demote = 0;
-	else if (glops->go_demote_ok)
-		demote = glops->go_demote_ok(gl);
-
-	return demote;
+	if (gl->gl_state == LM_ST_UNLOCKED)
+		return 0;
+	if (!list_empty(&gl->gl_holders))
+		return 0;
+	if (glops->go_demote_ok)
+		return glops->go_demote_ok(gl);
+	return 1;
 }
 
-/**
- * gfs2_glock_schedule_for_reclaim - Add a glock to the reclaim list
- * @gl: the glock
- *
- */
 
-void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl)
-{
-	struct gfs2_sbd *sdp = gl->gl_sbd;
-
-	spin_lock(&sdp->sd_reclaim_lock);
-	if (list_empty(&gl->gl_reclaim)) {
-		gfs2_glock_hold(gl);
-		list_add(&gl->gl_reclaim, &sdp->sd_reclaim_list);
-		atomic_inc(&sdp->sd_reclaim_count);
-		spin_unlock(&sdp->sd_reclaim_lock);
-		wake_up(&sdp->sd_reclaim_wq);
-	} else
-		spin_unlock(&sdp->sd_reclaim_lock);
-}
-
-/**
- * gfs2_reclaim_glock - process the next glock on the filesystem's reclaim list
- * @sdp: the filesystem
- *
- * Called from gfs2_glockd() glock reclaim daemon, or when promoting a
- * different glock and we notice that there are a lot of glocks in the
- * reclaim list.
- *
- */
-
-void gfs2_reclaim_glock(struct gfs2_sbd *sdp)
+static int gfs2_shrink_glock_memory(int nr, gfp_t gfp_mask)
 {
 	struct gfs2_glock *gl;
-	int done_callback = 0;
+	int may_demote;
+	int nr_skipped = 0;
+	int got_ref = 0;
+	LIST_HEAD(skipped);
 
-	spin_lock(&sdp->sd_reclaim_lock);
-	if (list_empty(&sdp->sd_reclaim_list)) {
-		spin_unlock(&sdp->sd_reclaim_lock);
-		return;
+	if (nr == 0)
+		goto out;
+
+	if (!(gfp_mask & __GFP_FS))
+		return -1;
+
+	spin_lock(&lru_lock);
+	while(nr && !list_empty(&lru_list)) {
+		gl = list_entry(lru_list.next, struct gfs2_glock, gl_lru);
+		list_del_init(&gl->gl_lru);
+		atomic_dec(&lru_count);
+
+		/* Test for being demotable */
+		if (!test_and_set_bit(GLF_LOCK, &gl->gl_flags)) {
+			gfs2_glock_hold(gl);
+			got_ref = 1;
+			spin_unlock(&lru_lock);
+			spin_lock(&gl->gl_spin);
+			may_demote = demote_ok(gl);
+			spin_unlock(&gl->gl_spin);
+			clear_bit(GLF_LOCK, &gl->gl_flags);
+			if (may_demote) {
+				handle_callback(gl, LM_ST_UNLOCKED, 0);
+				nr--;
+				if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
+					gfs2_glock_put(gl);
+			}
+			spin_lock(&lru_lock);
+			if (may_demote)
+				continue;
+		}
+		if (list_empty(&gl->gl_lru) &&
+		    (atomic_read(&gl->gl_ref) <= (2 + got_ref))) {
+			nr_skipped++;
+			list_add(&gl->gl_lru, &skipped);
+		}
+		if (got_ref) {
+			spin_unlock(&lru_lock);
+			gfs2_glock_put(gl);
+			spin_lock(&lru_lock);
+			got_ref = 0;
+		}
 	}
-	gl = list_entry(sdp->sd_reclaim_list.next,
-			struct gfs2_glock, gl_reclaim);
-	list_del_init(&gl->gl_reclaim);
-	spin_unlock(&sdp->sd_reclaim_lock);
-
-	atomic_dec(&sdp->sd_reclaim_count);
-	atomic_inc(&sdp->sd_reclaimed);
-
-	spin_lock(&gl->gl_spin);
-	if (find_first_holder(gl) == NULL &&
-	    gl->gl_state != LM_ST_UNLOCKED && demote_ok(gl)) {
-		handle_callback(gl, LM_ST_UNLOCKED, 0, 0);
-		done_callback = 1;
-	}
-	spin_unlock(&gl->gl_spin);
-	if (!done_callback ||
-	    queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
-		gfs2_glock_put(gl);
+	list_splice(&skipped, &lru_list);
+	atomic_add(nr_skipped, &lru_count);
+	spin_unlock(&lru_lock);
+out:
+	return (atomic_read(&lru_count) / 100) * sysctl_vfs_cache_pressure;
 }
 
+static struct shrinker glock_shrinker = {
+	.shrink = gfs2_shrink_glock_memory,
+	.seeks = DEFAULT_SEEKS,
+};
+
 /**
  * examine_bucket - Call a function for glock in a hash bucket
  * @examiner: the function
@@ -1457,26 +1516,6 @@
 }
 
 /**
- * scan_glock - look at a glock and see if we can reclaim it
- * @gl: the glock to look at
- *
- */
-
-static void scan_glock(struct gfs2_glock *gl)
-{
-	if (gl->gl_ops == &gfs2_inode_glops && gl->gl_object)
-		return;
-	if (test_bit(GLF_LOCK, &gl->gl_flags))
-		return;
-
-	spin_lock(&gl->gl_spin);
-	if (find_first_holder(gl) == NULL &&
-	    gl->gl_state != LM_ST_UNLOCKED && demote_ok(gl))
-		gfs2_glock_schedule_for_reclaim(gl);
-	spin_unlock(&gl->gl_spin);
-}
-
-/**
  * clear_glock - look at a glock and see if we can free it from glock cache
  * @gl: the glock to look at
  *
@@ -1484,23 +1523,16 @@
 
 static void clear_glock(struct gfs2_glock *gl)
 {
-	struct gfs2_sbd *sdp = gl->gl_sbd;
-	int released;
-
-	spin_lock(&sdp->sd_reclaim_lock);
-	if (!list_empty(&gl->gl_reclaim)) {
-		list_del_init(&gl->gl_reclaim);
-		atomic_dec(&sdp->sd_reclaim_count);
-		spin_unlock(&sdp->sd_reclaim_lock);
-		released = gfs2_glock_put(gl);
-		gfs2_assert(sdp, !released);
-	} else {
-		spin_unlock(&sdp->sd_reclaim_lock);
+	spin_lock(&lru_lock);
+	if (!list_empty(&gl->gl_lru)) {
+		list_del_init(&gl->gl_lru);
+		atomic_dec(&lru_count);
 	}
+	spin_unlock(&lru_lock);
 
 	spin_lock(&gl->gl_spin);
 	if (find_first_holder(gl) == NULL && gl->gl_state != LM_ST_UNLOCKED)
-		handle_callback(gl, LM_ST_UNLOCKED, 0, 0);
+		handle_callback(gl, LM_ST_UNLOCKED, 0);
 	spin_unlock(&gl->gl_spin);
 	gfs2_glock_hold(gl);
 	if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
@@ -1548,6 +1580,20 @@
 	}
 }
 
+void gfs2_glock_finish_truncate(struct gfs2_inode *ip)
+{
+	struct gfs2_glock *gl = ip->i_gl;
+	int ret;
+
+	ret = gfs2_truncatei_resume(ip);
+	gfs2_assert_withdraw(gl->gl_sbd, ret == 0);
+
+	spin_lock(&gl->gl_spin);
+	clear_bit(GLF_LOCK, &gl->gl_flags);
+	run_queue(gl, 1);
+	spin_unlock(&gl->gl_spin);
+}
+
 static const char *state2str(unsigned state)
 {
 	switch(state) {
@@ -1623,8 +1669,6 @@
 	char *p = buf;
 	if (test_bit(GLF_LOCK, gflags))
 		*p++ = 'l';
-	if (test_bit(GLF_STICKY, gflags))
-		*p++ = 's';
 	if (test_bit(GLF_DEMOTE, gflags))
 		*p++ = 'D';
 	if (test_bit(GLF_PENDING_DEMOTE, gflags))
@@ -1743,34 +1787,6 @@
 	return error;
 }
 
-/**
- * gfs2_scand - Look for cached glocks and inodes to toss from memory
- * @sdp: Pointer to GFS2 superblock
- *
- * One of these daemons runs, finding candidates to add to sd_reclaim_list.
- * See gfs2_glockd()
- */
-
-static int gfs2_scand(void *data)
-{
-	unsigned x;
-	unsigned delay;
-
-	while (!kthread_should_stop()) {
-		for (x = 0; x < GFS2_GL_HASH_SIZE; x++)
-			examine_bucket(scan_glock, NULL, x);
-		if (freezing(current))
-			refrigerator();
-		delay = scand_secs;
-		if (delay < 1)
-			delay = 1;
-		schedule_timeout_interruptible(delay * HZ);
-	}
-
-	return 0;
-}
-
-
 
 int __init gfs2_glock_init(void)
 {
@@ -1784,28 +1800,21 @@
 	}
 #endif
 
-	scand_process = kthread_run(gfs2_scand, NULL, "gfs2_scand");
-	if (IS_ERR(scand_process))
-		return PTR_ERR(scand_process);
-
 	glock_workqueue = create_workqueue("glock_workqueue");
-	if (IS_ERR(glock_workqueue)) {
-		kthread_stop(scand_process);
+	if (IS_ERR(glock_workqueue))
 		return PTR_ERR(glock_workqueue);
-	}
+
+	register_shrinker(&glock_shrinker);
 
 	return 0;
 }
 
 void gfs2_glock_exit(void)
 {
+	unregister_shrinker(&glock_shrinker);
 	destroy_workqueue(glock_workqueue);
-	kthread_stop(scand_process);
 }
 
-module_param(scand_secs, uint, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(scand_secs, "The number of seconds between scand runs");
-
 static int gfs2_glock_iter_next(struct gfs2_glock_iter *gi)
 {
 	struct gfs2_glock *gl;
diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index 695c6b1..543ec7e 100644
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -129,9 +129,9 @@
 void gfs2_lvb_unhold(struct gfs2_glock *gl);
 
 void gfs2_glock_cb(void *cb_data, unsigned int type, void *data);
-void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl);
 void gfs2_reclaim_glock(struct gfs2_sbd *sdp);
 void gfs2_gl_hash_clear(struct gfs2_sbd *sdp);
+void gfs2_glock_finish_truncate(struct gfs2_inode *ip);
 
 int __init gfs2_glock_init(void);
 void gfs2_glock_exit(void);
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index c6c318c..8522d3a 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -201,19 +201,12 @@
  * Returns: 1 if it's ok
  */
 
-static int inode_go_demote_ok(struct gfs2_glock *gl)
+static int inode_go_demote_ok(const struct gfs2_glock *gl)
 {
 	struct gfs2_sbd *sdp = gl->gl_sbd;
-	int demote = 0;
-
-	if (!gl->gl_object && !gl->gl_aspace->i_mapping->nrpages)
-		demote = 1;
-	else if (!sdp->sd_args.ar_localcaching &&
-		 time_after_eq(jiffies, gl->gl_stamp +
-			       gfs2_tune_get(sdp, gt_demote_secs) * HZ))
-		demote = 1;
-
-	return demote;
+	if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object)
+		return 0;
+	return 1;
 }
 
 /**
@@ -227,6 +220,7 @@
 static int inode_go_lock(struct gfs2_holder *gh)
 {
 	struct gfs2_glock *gl = gh->gh_gl;
+	struct gfs2_sbd *sdp = gl->gl_sbd;
 	struct gfs2_inode *ip = gl->gl_object;
 	int error = 0;
 
@@ -239,10 +233,16 @@
 			return error;
 	}
 
-	if ((ip->i_di.di_flags & GFS2_DIF_TRUNC_IN_PROG) &&
+	if ((ip->i_diskflags & GFS2_DIF_TRUNC_IN_PROG) &&
 	    (gl->gl_state == LM_ST_EXCLUSIVE) &&
-	    (gh->gh_state == LM_ST_EXCLUSIVE))
-		error = gfs2_truncatei_resume(ip);
+	    (gh->gh_state == LM_ST_EXCLUSIVE)) {
+		spin_lock(&sdp->sd_trunc_lock);
+		if (list_empty(&ip->i_trunc_list))
+			list_add(&sdp->sd_trunc_list, &ip->i_trunc_list);
+		spin_unlock(&sdp->sd_trunc_lock);
+		wake_up(&sdp->sd_quota_wait);
+		return 1;
+	}
 
 	return error;
 }
@@ -260,10 +260,13 @@
 	const struct gfs2_inode *ip = gl->gl_object;
 	if (ip == NULL)
 		return 0;
-	gfs2_print_dbg(seq, " I: n:%llu/%llu t:%u f:0x%08lx\n",
+	gfs2_print_dbg(seq, " I: n:%llu/%llu t:%u f:0x%02lx d:0x%08x s:%llu/%llu\n",
 		  (unsigned long long)ip->i_no_formal_ino,
 		  (unsigned long long)ip->i_no_addr,
-		  IF2DT(ip->i_inode.i_mode), ip->i_flags);
+		  IF2DT(ip->i_inode.i_mode), ip->i_flags,
+		  (unsigned int)ip->i_diskflags,
+		  (unsigned long long)ip->i_inode.i_size,
+		  (unsigned long long)ip->i_disksize);
 	return 0;
 }
 
@@ -274,7 +277,7 @@
  * Returns: 1 if it's ok
  */
 
-static int rgrp_go_demote_ok(struct gfs2_glock *gl)
+static int rgrp_go_demote_ok(const struct gfs2_glock *gl)
 {
 	return !gl->gl_aspace->i_mapping->nrpages;
 }
@@ -318,7 +321,9 @@
 	const struct gfs2_rgrpd *rgd = gl->gl_object;
 	if (rgd == NULL)
 		return 0;
-	gfs2_print_dbg(seq, " R: n:%llu\n", (unsigned long long)rgd->rd_addr);
+	gfs2_print_dbg(seq, " R: n:%llu f:%02x b:%u/%u i:%u\n",
+		       (unsigned long long)rgd->rd_addr, rgd->rd_flags,
+		       rgd->rd_free, rgd->rd_free_clone, rgd->rd_dinodes);
 	return 0;
 }
 
@@ -374,13 +379,25 @@
 }
 
 /**
+ * trans_go_demote_ok
+ * @gl: the glock
+ *
+ * Always returns 0
+ */
+
+static int trans_go_demote_ok(const struct gfs2_glock *gl)
+{
+	return 0;
+}
+
+/**
  * quota_go_demote_ok - Check to see if it's ok to unlock a quota glock
  * @gl: the glock
  *
  * Returns: 1 if it's ok
  */
 
-static int quota_go_demote_ok(struct gfs2_glock *gl)
+static int quota_go_demote_ok(const struct gfs2_glock *gl)
 {
 	return !atomic_read(&gl->gl_lvb_count);
 }
@@ -414,6 +431,7 @@
 const struct gfs2_glock_operations gfs2_trans_glops = {
 	.go_xmote_th = trans_go_sync,
 	.go_xmote_bh = trans_go_xmote_bh,
+	.go_demote_ok = trans_go_demote_ok,
 	.go_type = LM_TYPE_NONDISK,
 };
 
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index f566ec1..608849d 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -68,12 +68,6 @@
 	u32 bi_len;
 };
 
-struct gfs2_rgrp_host {
-	u32 rg_free;
-	u32 rg_dinodes;
-	u64 rg_igeneration;
-};
-
 struct gfs2_rgrpd {
 	struct list_head rd_list;	/* Link with superblock */
 	struct list_head rd_list_mru;
@@ -83,14 +77,16 @@
 	u32 rd_length;			/* length of rgrp header in fs blocks */
 	u32 rd_data;			/* num of data blocks in rgrp */
 	u32 rd_bitbytes;		/* number of bytes in data bitmaps */
-	struct gfs2_rgrp_host rd_rg;
-	struct gfs2_bitmap *rd_bits;
-	unsigned int rd_bh_count;
-	struct mutex rd_mutex;
+	u32 rd_free;
 	u32 rd_free_clone;
+	u32 rd_dinodes;
+	u64 rd_igeneration;
+	struct gfs2_bitmap *rd_bits;
+	struct mutex rd_mutex;
 	struct gfs2_log_element rd_le;
-	u32 rd_last_alloc;
 	struct gfs2_sbd *rd_sbd;
+	unsigned int rd_bh_count;
+	u32 rd_last_alloc;
 	unsigned char rd_flags;
 #define GFS2_RDF_CHECK        0x01      /* Need to check for unlinked inodes */
 #define GFS2_RDF_NOALLOC      0x02      /* rg prohibits allocation */
@@ -129,7 +125,7 @@
 	void (*go_xmote_th) (struct gfs2_glock *gl);
 	int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh);
 	void (*go_inval) (struct gfs2_glock *gl, int flags);
-	int (*go_demote_ok) (struct gfs2_glock *gl);
+	int (*go_demote_ok) (const struct gfs2_glock *gl);
 	int (*go_lock) (struct gfs2_holder *gh);
 	void (*go_unlock) (struct gfs2_holder *gh);
 	int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl);
@@ -159,7 +155,6 @@
 
 enum {
 	GLF_LOCK			= 1,
-	GLF_STICKY			= 2,
 	GLF_DEMOTE			= 3,
 	GLF_PENDING_DEMOTE		= 4,
 	GLF_DEMOTE_IN_PROGRESS		= 5,
@@ -194,7 +189,7 @@
 	unsigned long gl_tchange;
 	void *gl_object;
 
-	struct list_head gl_reclaim;
+	struct list_head gl_lru;
 
 	struct gfs2_sbd *gl_sbd;
 
@@ -233,29 +228,24 @@
 	GIF_USER                = 4, /* user inode, not metadata addr space */
 };
 
-struct gfs2_dinode_host {
-	u64 di_size;		/* number of bytes in file */
-	u64 di_generation;	/* generation number for NFS */
-	u32 di_flags;		/* GFS2_DIF_... */
-	/* These only apply to directories  */
-	u32 di_entries;		/* The number of entries in the directory */
-	u64 di_eattr;		/* extended attribute block number */
-};
 
 struct gfs2_inode {
 	struct inode i_inode;
 	u64 i_no_addr;
 	u64 i_no_formal_ino;
+	u64 i_generation;
+	u64 i_eattr;
+	loff_t i_disksize;
 	unsigned long i_flags;		/* GIF_... */
-
-	struct gfs2_dinode_host i_di; /* To be replaced by ref to block */
-
 	struct gfs2_glock *i_gl; /* Move into i_gh? */
 	struct gfs2_holder i_iopen_gh;
 	struct gfs2_holder i_gh; /* for prepare/commit_write only */
 	struct gfs2_alloc *i_alloc;
 	u64 i_goal;	/* goal block for allocations */
 	struct rw_semaphore i_rw_mutex;
+	struct list_head i_trunc_list;
+	u32 i_entries;
+	u32 i_diskflags;
 	u8 i_height;
 	u8 i_depth;
 };
@@ -406,13 +396,11 @@
 struct gfs2_tune {
 	spinlock_t gt_spin;
 
-	unsigned int gt_demote_secs; /* Cache retention for unheld glock */
 	unsigned int gt_incore_log_blocks;
 	unsigned int gt_log_flush_secs;
 
 	unsigned int gt_recoverd_secs;
 	unsigned int gt_logd_secs;
-	unsigned int gt_quotad_secs;
 
 	unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */
 	unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */
@@ -488,10 +476,6 @@
 	/* Lock Stuff */
 
 	struct lm_lockstruct sd_lockstruct;
-	struct list_head sd_reclaim_list;
-	spinlock_t sd_reclaim_lock;
-	wait_queue_head_t sd_reclaim_wq;
-	atomic_t sd_reclaim_count;
 	struct gfs2_holder sd_live_gh;
 	struct gfs2_glock *sd_rename_gl;
 	struct gfs2_glock *sd_trans_gl;
@@ -519,7 +503,6 @@
 	spinlock_t sd_statfs_spin;
 	struct gfs2_statfs_change_host sd_statfs_master;
 	struct gfs2_statfs_change_host sd_statfs_local;
-	unsigned long sd_statfs_sync_time;
 
 	/* Resource group stuff */
 
@@ -552,8 +535,6 @@
 	struct task_struct *sd_recoverd_process;
 	struct task_struct *sd_logd_process;
 	struct task_struct *sd_quotad_process;
-	struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX];
-	unsigned int sd_glockd_num;
 
 	/* Quota stuff */
 
@@ -561,13 +542,15 @@
 	atomic_t sd_quota_count;
 	spinlock_t sd_quota_spin;
 	struct mutex sd_quota_mutex;
+	wait_queue_head_t sd_quota_wait;
+	struct list_head sd_trunc_list;
+	spinlock_t sd_trunc_lock;
 
 	unsigned int sd_quota_slots;
 	unsigned int sd_quota_chunks;
 	unsigned char **sd_quota_bitmap;
 
 	u64 sd_quota_sync_gen;
-	unsigned long sd_quota_sync_time;
 
 	/* Log stuff */
 
@@ -624,10 +607,6 @@
 	struct mutex sd_freeze_lock;
 	unsigned int sd_freeze_count;
 
-	/* Counters */
-
-	atomic_t sd_reclaimed;
-
 	char sd_fsname[GFS2_FSNAME_LEN];
 	char sd_table_name[GFS2_FSNAME_LEN];
 	char sd_proto_name[GFS2_FSNAME_LEN];
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index d576168..3b87c18 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -32,7 +32,6 @@
 #include "log.h"
 #include "meta_io.h"
 #include "ops_address.h"
-#include "ops_inode.h"
 #include "quota.h"
 #include "rgrp.h"
 #include "trans.h"
@@ -248,7 +247,6 @@
 
 static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
 {
-	struct gfs2_dinode_host *di = &ip->i_di;
 	const struct gfs2_dinode *str = buf;
 	struct timespec atime;
 	u16 height, depth;
@@ -274,8 +272,8 @@
 	 * to do that.
 	 */
 	ip->i_inode.i_nlink = be32_to_cpu(str->di_nlink);
-	di->di_size = be64_to_cpu(str->di_size);
-	i_size_write(&ip->i_inode, di->di_size);
+	ip->i_disksize = be64_to_cpu(str->di_size);
+	i_size_write(&ip->i_inode, ip->i_disksize);
 	gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks));
 	atime.tv_sec = be64_to_cpu(str->di_atime);
 	atime.tv_nsec = be32_to_cpu(str->di_atime_nsec);
@@ -287,9 +285,9 @@
 	ip->i_inode.i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec);
 
 	ip->i_goal = be64_to_cpu(str->di_goal_meta);
-	di->di_generation = be64_to_cpu(str->di_generation);
+	ip->i_generation = be64_to_cpu(str->di_generation);
 
-	di->di_flags = be32_to_cpu(str->di_flags);
+	ip->i_diskflags = be32_to_cpu(str->di_flags);
 	gfs2_set_inode_flags(&ip->i_inode);
 	height = be16_to_cpu(str->di_height);
 	if (unlikely(height > GFS2_MAX_META_HEIGHT))
@@ -300,9 +298,9 @@
 	if (unlikely(depth > GFS2_DIR_MAX_DEPTH))
 		goto corrupt;
 	ip->i_depth = (u8)depth;
-	di->di_entries = be32_to_cpu(str->di_entries);
+	ip->i_entries = be32_to_cpu(str->di_entries);
 
-	di->di_eattr = be64_to_cpu(str->di_eattr);
+	ip->i_eattr = be64_to_cpu(str->di_eattr);
 	if (S_ISREG(ip->i_inode.i_mode))
 		gfs2_set_aops(&ip->i_inode);
 
@@ -388,7 +386,6 @@
 	gfs2_free_di(rgd, ip);
 
 	gfs2_trans_end(sdp);
-	clear_bit(GLF_STICKY, &ip->i_gl->gl_flags);
 
 out_rg_gunlock:
 	gfs2_glock_dq_uninit(&al->al_rgd_gh);
@@ -690,7 +687,7 @@
 		return error;
 	}
 
-	if (dip->i_di.di_entries == (u32)-1)
+	if (dip->i_entries == (u32)-1)
 		return -EFBIG;
 	if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1)
 		return -EMLINK;
@@ -790,11 +787,11 @@
 	di->di_flags = 0;
 
 	if (S_ISREG(mode)) {
-		if ((dip->i_di.di_flags & GFS2_DIF_INHERIT_JDATA) ||
+		if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) ||
 		    gfs2_tune_get(sdp, gt_new_files_jdata))
 			di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA);
 	} else if (S_ISDIR(mode)) {
-		di->di_flags |= cpu_to_be32(dip->i_di.di_flags &
+		di->di_flags |= cpu_to_be32(dip->i_diskflags &
 					    GFS2_DIF_INHERIT_JDATA);
 	}
 
@@ -1068,7 +1065,7 @@
 	struct qstr dotname;
 	int error;
 
-	if (ip->i_di.di_entries != 2) {
+	if (ip->i_entries != 2) {
 		if (gfs2_consist_inode(ip))
 			gfs2_dinode_print(ip);
 		return -EIO;
@@ -1168,7 +1165,7 @@
 		return error;
 	}
 
-	if (!ip->i_di.di_size) {
+	if (!ip->i_disksize) {
 		gfs2_consist_inode(ip);
 		error = -EIO;
 		goto out;
@@ -1178,7 +1175,7 @@
 	if (error)
 		goto out;
 
-	x = ip->i_di.di_size + 1;
+	x = ip->i_disksize + 1;
 	if (x > *len) {
 		*buf = kmalloc(x, GFP_NOFS);
 		if (!*buf) {
@@ -1242,7 +1239,6 @@
 
 void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
 {
-	const struct gfs2_dinode_host *di = &ip->i_di;
 	struct gfs2_dinode *str = buf;
 
 	str->di_header.mh_magic = cpu_to_be32(GFS2_MAGIC);
@@ -1256,7 +1252,7 @@
 	str->di_uid = cpu_to_be32(ip->i_inode.i_uid);
 	str->di_gid = cpu_to_be32(ip->i_inode.i_gid);
 	str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink);
-	str->di_size = cpu_to_be64(di->di_size);
+	str->di_size = cpu_to_be64(ip->i_disksize);
 	str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode));
 	str->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec);
 	str->di_mtime = cpu_to_be64(ip->i_inode.i_mtime.tv_sec);
@@ -1264,17 +1260,17 @@
 
 	str->di_goal_meta = cpu_to_be64(ip->i_goal);
 	str->di_goal_data = cpu_to_be64(ip->i_goal);
-	str->di_generation = cpu_to_be64(di->di_generation);
+	str->di_generation = cpu_to_be64(ip->i_generation);
 
-	str->di_flags = cpu_to_be32(di->di_flags);
+	str->di_flags = cpu_to_be32(ip->i_diskflags);
 	str->di_height = cpu_to_be16(ip->i_height);
 	str->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) &&
-					     !(ip->i_di.di_flags & GFS2_DIF_EXHASH) ?
+					     !(ip->i_diskflags & GFS2_DIF_EXHASH) ?
 					     GFS2_FORMAT_DE : 0);
 	str->di_depth = cpu_to_be16(ip->i_depth);
-	str->di_entries = cpu_to_be32(di->di_entries);
+	str->di_entries = cpu_to_be32(ip->i_entries);
 
-	str->di_eattr = cpu_to_be64(di->di_eattr);
+	str->di_eattr = cpu_to_be64(ip->i_eattr);
 	str->di_atime_nsec = cpu_to_be32(ip->i_inode.i_atime.tv_nsec);
 	str->di_mtime_nsec = cpu_to_be32(ip->i_inode.i_mtime.tv_nsec);
 	str->di_ctime_nsec = cpu_to_be32(ip->i_inode.i_ctime.tv_nsec);
@@ -1282,22 +1278,21 @@
 
 void gfs2_dinode_print(const struct gfs2_inode *ip)
 {
-	const struct gfs2_dinode_host *di = &ip->i_di;
-
 	printk(KERN_INFO "  no_formal_ino = %llu\n",
 	       (unsigned long long)ip->i_no_formal_ino);
 	printk(KERN_INFO "  no_addr = %llu\n",
 	       (unsigned long long)ip->i_no_addr);
-	printk(KERN_INFO "  di_size = %llu\n", (unsigned long long)di->di_size);
+	printk(KERN_INFO "  i_disksize = %llu\n",
+	       (unsigned long long)ip->i_disksize);
 	printk(KERN_INFO "  blocks = %llu\n",
 	       (unsigned long long)gfs2_get_inode_blocks(&ip->i_inode));
 	printk(KERN_INFO "  i_goal = %llu\n",
 	       (unsigned long long)ip->i_goal);
-	printk(KERN_INFO "  di_flags = 0x%.8X\n", di->di_flags);
+	printk(KERN_INFO "  i_diskflags = 0x%.8X\n", ip->i_diskflags);
 	printk(KERN_INFO "  i_height = %u\n", ip->i_height);
 	printk(KERN_INFO "  i_depth = %u\n", ip->i_depth);
-	printk(KERN_INFO "  di_entries = %u\n", di->di_entries);
-	printk(KERN_INFO "  di_eattr = %llu\n",
-	       (unsigned long long)di->di_eattr);
+	printk(KERN_INFO "  i_entries = %u\n", ip->i_entries);
+	printk(KERN_INFO "  i_eattr = %llu\n",
+	       (unsigned long long)ip->i_eattr);
 }
 
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h
index 2d43f69..d532936 100644
--- a/fs/gfs2/inode.h
+++ b/fs/gfs2/inode.h
@@ -10,6 +10,7 @@
 #ifndef __INODE_DOT_H__
 #define __INODE_DOT_H__
 
+#include <linux/fs.h>
 #include "util.h"
 
 static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
@@ -19,7 +20,7 @@
 
 static inline int gfs2_is_jdata(const struct gfs2_inode *ip)
 {
-	return ip->i_di.di_flags & GFS2_DIF_JDATA;
+	return ip->i_diskflags & GFS2_DIF_JDATA;
 }
 
 static inline int gfs2_is_writeback(const struct gfs2_inode *ip)
@@ -97,5 +98,15 @@
 void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
 void gfs2_dinode_print(const struct gfs2_inode *ip);
 
+extern const struct inode_operations gfs2_file_iops;
+extern const struct inode_operations gfs2_dir_iops;
+extern const struct inode_operations gfs2_symlink_iops;
+extern const struct file_operations gfs2_file_fops;
+extern const struct file_operations gfs2_dir_fops;
+extern const struct file_operations gfs2_file_fops_nolock;
+extern const struct file_operations gfs2_dir_fops_nolock;
+
+extern void gfs2_set_inode_flags(struct inode *inode);
+
 #endif /* __INODE_DOT_H__ */
 
diff --git a/fs/gfs2/locking/dlm/mount.c b/fs/gfs2/locking/dlm/mount.c
index 0c4cbe6..1aa7eb6 100644
--- a/fs/gfs2/locking/dlm/mount.c
+++ b/fs/gfs2/locking/dlm/mount.c
@@ -194,17 +194,25 @@
 static void gdlm_recovery_done(void *lockspace, unsigned int jid,
                                unsigned int message)
 {
+	char env_jid[20];
+	char env_status[20];
+	char *envp[] = { env_jid, env_status, NULL };
 	struct gdlm_ls *ls = lockspace;
 	ls->recover_jid_done = jid;
 	ls->recover_jid_status = message;
-	kobject_uevent(&ls->kobj, KOBJ_CHANGE);
+	sprintf(env_jid, "JID=%d", jid);
+	sprintf(env_status, "RECOVERY=%s",
+		message == LM_RD_SUCCESS ? "Done" : "Failed");
+	kobject_uevent_env(&ls->kobj, KOBJ_CHANGE, envp);
 }
 
 static void gdlm_others_may_mount(void *lockspace)
 {
+	char *message = "FIRSTMOUNT=Done";
+	char *envp[] = { message, NULL };
 	struct gdlm_ls *ls = lockspace;
 	ls->first_done = 1;
-	kobject_uevent(&ls->kobj, KOBJ_CHANGE);
+	kobject_uevent_env(&ls->kobj, KOBJ_CHANGE, envp);
 }
 
 /* Userspace gets the offline uevent, blocks new gfs locks on
diff --git a/fs/gfs2/locking/dlm/sysfs.c b/fs/gfs2/locking/dlm/sysfs.c
index 4ec571c..9b7edcf 100644
--- a/fs/gfs2/locking/dlm/sysfs.c
+++ b/fs/gfs2/locking/dlm/sysfs.c
@@ -195,9 +195,23 @@
 	kobject_put(&ls->kobj);
 }
 
+static int gdlm_uevent(struct kset *kset, struct kobject *kobj,
+		       struct kobj_uevent_env *env)
+{
+        struct gdlm_ls *ls = container_of(kobj, struct gdlm_ls, kobj);
+        add_uevent_var(env, "LOCKTABLE=%s:%s", ls->clustername, ls->fsname);
+        add_uevent_var(env, "LOCKPROTO=lock_dlm");
+        return 0;
+}
+
+static struct kset_uevent_ops gdlm_uevent_ops = {
+	.uevent = gdlm_uevent,
+};
+
+
 int gdlm_sysfs_init(void)
 {
-	gdlm_kset = kset_create_and_add("lock_dlm", NULL, kernel_kobj);
+	gdlm_kset = kset_create_and_add("lock_dlm", &gdlm_uevent_ops, kernel_kobj);
 	if (!gdlm_kset) {
 		printk(KERN_WARNING "%s: can not create kset\n", __func__);
 		return -ENOMEM;
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index bb2cc30..7cacfde 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -19,7 +19,7 @@
 
 #include "gfs2.h"
 #include "incore.h"
-#include "ops_fstype.h"
+#include "super.h"
 #include "sys.h"
 #include "util.h"
 #include "glock.h"
@@ -30,6 +30,7 @@
 
 	inode_init_once(&ip->i_inode);
 	init_rwsem(&ip->i_rw_mutex);
+	INIT_LIST_HEAD(&ip->i_trunc_list);
 	ip->i_alloc = NULL;
 }
 
@@ -42,7 +43,7 @@
 	INIT_LIST_HEAD(&gl->gl_holders);
 	gl->gl_lvb = NULL;
 	atomic_set(&gl->gl_lvb_count, 0);
-	INIT_LIST_HEAD(&gl->gl_reclaim);
+	INIT_LIST_HEAD(&gl->gl_lru);
 	INIT_LIST_HEAD(&gl->gl_ail_list);
 	atomic_set(&gl->gl_ail_count, 0);
 }
@@ -93,6 +94,12 @@
 	if (!gfs2_rgrpd_cachep)
 		goto fail;
 
+	gfs2_quotad_cachep = kmem_cache_create("gfs2_quotad",
+					       sizeof(struct gfs2_quota_data),
+					       0, 0, NULL);
+	if (!gfs2_quotad_cachep)
+		goto fail;
+
 	error = register_filesystem(&gfs2_fs_type);
 	if (error)
 		goto fail;
@@ -112,6 +119,9 @@
 fail:
 	gfs2_glock_exit();
 
+	if (gfs2_quotad_cachep)
+		kmem_cache_destroy(gfs2_quotad_cachep);
+
 	if (gfs2_rgrpd_cachep)
 		kmem_cache_destroy(gfs2_rgrpd_cachep);
 
@@ -140,6 +150,7 @@
 	unregister_filesystem(&gfs2_fs_type);
 	unregister_filesystem(&gfs2meta_fs_type);
 
+	kmem_cache_destroy(gfs2_quotad_cachep);
 	kmem_cache_destroy(gfs2_rgrpd_cachep);
 	kmem_cache_destroy(gfs2_bufdata_cachep);
 	kmem_cache_destroy(gfs2_inode_cachep);
diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c
index f96eb90..3cb0a44 100644
--- a/fs/gfs2/mount.c
+++ b/fs/gfs2/mount.c
@@ -32,7 +32,6 @@
 	Opt_debug,
 	Opt_nodebug,
 	Opt_upgrade,
-	Opt_num_glockd,
 	Opt_acl,
 	Opt_noacl,
 	Opt_quota_off,
@@ -57,7 +56,6 @@
 	{Opt_debug, "debug"},
 	{Opt_nodebug, "nodebug"},
 	{Opt_upgrade, "upgrade"},
-	{Opt_num_glockd, "num_glockd=%d"},
 	{Opt_acl, "acl"},
 	{Opt_noacl, "noacl"},
 	{Opt_quota_off, "quota=off"},
@@ -87,16 +85,7 @@
 	int error = 0;
 
 	if (!remount) {
-		/*  If someone preloaded options, use those instead  */
-		spin_lock(&gfs2_sys_margs_lock);
-		if (gfs2_sys_margs) {
-			data = gfs2_sys_margs;
-			gfs2_sys_margs = NULL;
-		}
-		spin_unlock(&gfs2_sys_margs_lock);
-
 		/*  Set some defaults  */
-		args->ar_num_glockd = GFS2_GLOCKD_DEFAULT;
 		args->ar_quota = GFS2_QUOTA_DEFAULT;
 		args->ar_data = GFS2_DATA_DEFAULT;
 	}
@@ -105,7 +94,7 @@
 	   process them */
 
 	for (options = data; (o = strsep(&options, ",")); ) {
-		int token, option;
+		int token;
 		substring_t tmp[MAX_OPT_ARGS];
 
 		if (!*o)
@@ -196,22 +185,6 @@
 				goto cant_remount;
 			args->ar_upgrade = 1;
 			break;
-		case Opt_num_glockd:
-			if ((error = match_int(&tmp[0], &option))) {
-				fs_info(sdp, "problem getting num_glockd\n");
-				goto out_error;
-			}
-
-			if (remount && option != args->ar_num_glockd)
-				goto cant_remount;
-			if (!option || option > GFS2_GLOCKD_MAX) {
-				fs_info(sdp, "0 < num_glockd <= %u  (not %u)\n",
-				        GFS2_GLOCKD_MAX, option);
-				error = -EINVAL;
-				goto out_error;
-			}
-			args->ar_num_glockd = option;
-			break;
 		case Opt_acl:
 			args->ar_posix_acl = 1;
 			sdp->sd_vfs->s_flags |= MS_POSIXACL;
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 2756381..6e4ea36 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -210,25 +210,23 @@
 {
 	struct inode *inode = page->mapping->host;
 	struct gfs2_sbd *sdp = GFS2_SB(inode);
-	int error;
+	int ret;
 	int done_trans = 0;
 
-	error = gfs2_writepage_common(page, wbc);
-	if (error <= 0)
-		return error;
-
 	if (PageChecked(page)) {
 		if (wbc->sync_mode != WB_SYNC_ALL)
 			goto out_ignore;
-		error = gfs2_trans_begin(sdp, RES_DINODE + 1, 0);
-		if (error)
+		ret = gfs2_trans_begin(sdp, RES_DINODE + 1, 0);
+		if (ret)
 			goto out_ignore;
 		done_trans = 1;
 	}
-	error = __gfs2_jdata_writepage(page, wbc);
+	ret = gfs2_writepage_common(page, wbc);
+	if (ret > 0)
+		ret = __gfs2_jdata_writepage(page, wbc);
 	if (done_trans)
 		gfs2_trans_end(sdp);
-	return error;
+	return ret;
 
 out_ignore:
 	redirty_page_for_writepage(wbc, page);
@@ -453,8 +451,8 @@
 
 	kaddr = kmap_atomic(page, KM_USER0);
 	memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode),
-	       ip->i_di.di_size);
-	memset(kaddr + ip->i_di.di_size, 0, PAGE_CACHE_SIZE - ip->i_di.di_size);
+	       ip->i_disksize);
+	memset(kaddr + ip->i_disksize, 0, PAGE_CACHE_SIZE - ip->i_disksize);
 	kunmap_atomic(kaddr, KM_USER0);
 	flush_dcache_page(page);
 	brelse(dibh);
@@ -627,7 +625,7 @@
 {
 	struct gfs2_inode *ip = GFS2_I(mapping->host);
 	struct gfs2_sbd *sdp = GFS2_SB(mapping->host);
-	unsigned int data_blocks, ind_blocks, rblocks;
+	unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
 	int alloc_required;
 	int error = 0;
 	struct gfs2_alloc *al;
@@ -641,11 +639,13 @@
 	if (unlikely(error))
 		goto out_uninit;
 
-	gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks);
 	error = gfs2_write_alloc_required(ip, pos, len, &alloc_required);
 	if (error)
 		goto out_unlock;
 
+	if (alloc_required || gfs2_is_jdata(ip))
+		gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks);
+
 	if (alloc_required) {
 		al = gfs2_alloc_get(ip);
 		if (!al) {
@@ -675,7 +675,7 @@
 		goto out_trans_fail;
 
 	error = -ENOMEM;
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	*pagep = page;
 	if (unlikely(!page))
 		goto out_endtrans;
@@ -782,7 +782,7 @@
 
 	if (inode->i_size < to) {
 		i_size_write(inode, to);
-		ip->i_di.di_size = inode->i_size;
+		ip->i_disksize = inode->i_size;
 		di->di_size = cpu_to_be64(inode->i_size);
 		mark_inode_dirty(inode);
 	}
@@ -847,9 +847,9 @@
 
 	ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata);
 
-	if (likely(ret >= 0) && (inode->i_size > ip->i_di.di_size)) {
+	if (likely(ret >= 0) && (inode->i_size > ip->i_disksize)) {
 		di = (struct gfs2_dinode *)dibh->b_data;
-		ip->i_di.di_size = inode->i_size;
+		ip->i_disksize = inode->i_size;
 		di->di_size = cpu_to_be64(inode->i_size);
 		mark_inode_dirty(inode);
 	}
diff --git a/fs/gfs2/ops_dentry.c b/fs/gfs2/ops_dentry.c
index 4a5e676..c2ad363 100644
--- a/fs/gfs2/ops_dentry.c
+++ b/fs/gfs2/ops_dentry.c
@@ -19,7 +19,7 @@
 #include "incore.h"
 #include "dir.h"
 #include "glock.h"
-#include "ops_dentry.h"
+#include "super.h"
 #include "util.h"
 #include "inode.h"
 
diff --git a/fs/gfs2/ops_dentry.h b/fs/gfs2/ops_dentry.h
deleted file mode 100644
index 5caa3db..0000000
--- a/fs/gfs2/ops_dentry.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#ifndef __OPS_DENTRY_DOT_H__
-#define __OPS_DENTRY_DOT_H__
-
-#include <linux/dcache.h>
-
-extern struct dentry_operations gfs2_dops;
-
-#endif /* __OPS_DENTRY_DOT_H__ */
diff --git a/fs/gfs2/ops_export.c b/fs/gfs2/ops_export.c
index bbb8c36..7fdeb14 100644
--- a/fs/gfs2/ops_export.c
+++ b/fs/gfs2/ops_export.c
@@ -22,8 +22,7 @@
 #include "glock.h"
 #include "glops.h"
 #include "inode.h"
-#include "ops_dentry.h"
-#include "ops_fstype.h"
+#include "super.h"
 #include "rgrp.h"
 #include "util.h"
 
@@ -214,7 +213,7 @@
 	}
 
 	error = -EIO;
-	if (GFS2_I(inode)->i_di.di_flags & GFS2_DIF_SYSTEM) {
+	if (GFS2_I(inode)->i_diskflags & GFS2_DIF_SYSTEM) {
 		iput(inode);
 		goto fail;
 	}
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index 3a747f8..289c5f5 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -39,7 +39,6 @@
 #include "util.h"
 #include "eaops.h"
 #include "ops_address.h"
-#include "ops_inode.h"
 
 /**
  * gfs2_llseek - seek to a location in a file
@@ -158,8 +157,8 @@
 	if (error)
 		return error;
 
-	fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_di.di_flags);
-	if (!S_ISDIR(inode->i_mode) && ip->i_di.di_flags & GFS2_DIF_JDATA)
+	fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_diskflags);
+	if (!S_ISDIR(inode->i_mode) && ip->i_diskflags & GFS2_DIF_JDATA)
 		fsflags |= FS_JOURNAL_DATA_FL;
 	if (put_user(fsflags, ptr))
 		error = -EFAULT;
@@ -172,17 +171,16 @@
 void gfs2_set_inode_flags(struct inode *inode)
 {
 	struct gfs2_inode *ip = GFS2_I(inode);
-	struct gfs2_dinode_host *di = &ip->i_di;
 	unsigned int flags = inode->i_flags;
 
 	flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
-	if (di->di_flags & GFS2_DIF_IMMUTABLE)
+	if (ip->i_diskflags & GFS2_DIF_IMMUTABLE)
 		flags |= S_IMMUTABLE;
-	if (di->di_flags & GFS2_DIF_APPENDONLY)
+	if (ip->i_diskflags & GFS2_DIF_APPENDONLY)
 		flags |= S_APPEND;
-	if (di->di_flags & GFS2_DIF_NOATIME)
+	if (ip->i_diskflags & GFS2_DIF_NOATIME)
 		flags |= S_NOATIME;
-	if (di->di_flags & GFS2_DIF_SYNC)
+	if (ip->i_diskflags & GFS2_DIF_SYNC)
 		flags |= S_SYNC;
 	inode->i_flags = flags;
 }
@@ -221,7 +219,7 @@
 	if (error)
 		goto out_drop_write;
 
-	flags = ip->i_di.di_flags;
+	flags = ip->i_diskflags;
 	new_flags = (flags & ~mask) | (reqflags & mask);
 	if ((new_flags ^ flags) == 0)
 		goto out;
@@ -260,7 +258,7 @@
 	if (error)
 		goto out_trans_end;
 	gfs2_trans_add_bh(ip->i_gl, bh, 1);
-	ip->i_di.di_flags = new_flags;
+	ip->i_diskflags = new_flags;
 	gfs2_dinode_out(ip, bh->b_data);
 	brelse(bh);
 	gfs2_set_inode_flags(inode);
@@ -357,7 +355,6 @@
 		goto out;
 
 	set_bit(GIF_SW_PAGED, &ip->i_flags);
-	gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks);
 	ret = gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE, &alloc_required);
 	if (ret || !alloc_required)
 		goto out_unlock;
@@ -369,6 +366,7 @@
 	ret = gfs2_quota_lock_check(ip);
 	if (ret)
 		goto out_alloc_put;
+	gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks);
 	al->al_requested = data_blocks + ind_blocks;
 	ret = gfs2_inplace_reserve(ip);
 	if (ret)
@@ -479,7 +477,7 @@
 			goto fail;
 
 		if (!(file->f_flags & O_LARGEFILE) &&
-		    ip->i_di.di_size > MAX_NON_LFS) {
+		    ip->i_disksize > MAX_NON_LFS) {
 			error = -EOVERFLOW;
 			goto fail_gunlock;
 		}
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index b117fcf..f91eebd 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -22,20 +22,18 @@
 #include "gfs2.h"
 #include "incore.h"
 #include "bmap.h"
-#include "daemon.h"
 #include "glock.h"
 #include "glops.h"
 #include "inode.h"
 #include "mount.h"
-#include "ops_fstype.h"
-#include "ops_dentry.h"
-#include "ops_super.h"
 #include "recovery.h"
 #include "rgrp.h"
 #include "super.h"
 #include "sys.h"
 #include "util.h"
 #include "log.h"
+#include "quota.h"
+#include "dir.h"
 
 #define DO 0
 #define UNDO 1
@@ -58,12 +56,10 @@
 {
 	spin_lock_init(&gt->gt_spin);
 
-	gt->gt_demote_secs = 300;
 	gt->gt_incore_log_blocks = 1024;
 	gt->gt_log_flush_secs = 60;
 	gt->gt_recoverd_secs = 60;
 	gt->gt_logd_secs = 1;
-	gt->gt_quotad_secs = 5;
 	gt->gt_quota_simul_sync = 64;
 	gt->gt_quota_warn_period = 10;
 	gt->gt_quota_scale_num = 1;
@@ -91,10 +87,6 @@
 
 	gfs2_tune_init(&sdp->sd_tune);
 
-	INIT_LIST_HEAD(&sdp->sd_reclaim_list);
-	spin_lock_init(&sdp->sd_reclaim_lock);
-	init_waitqueue_head(&sdp->sd_reclaim_wq);
-
 	mutex_init(&sdp->sd_inum_mutex);
 	spin_lock_init(&sdp->sd_statfs_spin);
 
@@ -110,6 +102,9 @@
 	INIT_LIST_HEAD(&sdp->sd_quota_list);
 	spin_lock_init(&sdp->sd_quota_spin);
 	mutex_init(&sdp->sd_quota_mutex);
+	init_waitqueue_head(&sdp->sd_quota_wait);
+	INIT_LIST_HEAD(&sdp->sd_trunc_list);
+	spin_lock_init(&sdp->sd_trunc_lock);
 
 	spin_lock_init(&sdp->sd_log_lock);
 
@@ -443,24 +438,11 @@
 static int init_locking(struct gfs2_sbd *sdp, struct gfs2_holder *mount_gh,
 			int undo)
 {
-	struct task_struct *p;
 	int error = 0;
 
 	if (undo)
 		goto fail_trans;
 
-	for (sdp->sd_glockd_num = 0;
-	     sdp->sd_glockd_num < sdp->sd_args.ar_num_glockd;
-	     sdp->sd_glockd_num++) {
-		p = kthread_run(gfs2_glockd, sdp, "gfs2_glockd");
-		error = IS_ERR(p);
-		if (error) {
-			fs_err(sdp, "can't start glockd thread: %d\n", error);
-			goto fail;
-		}
-		sdp->sd_glockd_process[sdp->sd_glockd_num] = p;
-	}
-
 	error = gfs2_glock_nq_num(sdp,
 				  GFS2_MOUNT_LOCK, &gfs2_nondisk_glops,
 				  LM_ST_EXCLUSIVE, LM_FLAG_NOEXP | GL_NOCACHE,
@@ -493,7 +475,6 @@
 		fs_err(sdp, "can't create transaction glock: %d\n", error);
 		goto fail_rename;
 	}
-	set_bit(GLF_STICKY, &sdp->sd_trans_gl->gl_flags);
 
 	return 0;
 
@@ -506,9 +487,6 @@
 fail_mount:
 	gfs2_glock_dq_uninit(mount_gh);
 fail:
-	while (sdp->sd_glockd_num--)
-		kthread_stop(sdp->sd_glockd_process[sdp->sd_glockd_num]);
-
 	return error;
 }
 
@@ -620,7 +598,7 @@
 
 	prev_db = 0;
 
-	for (lb = 0; lb < ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift; lb++) {
+	for (lb = 0; lb < ip->i_disksize >> sdp->sd_sb.sb_bsize_shift; lb++) {
 		bh.b_state = 0;
 		bh.b_blocknr = 0;
 		bh.b_size = 1 << ip->i_inode.i_blkbits;
@@ -661,6 +639,72 @@
 					sdp->sd_lockstruct.ls_lockspace);
 }
 
+/**
+ * gfs2_jindex_hold - Grab a lock on the jindex
+ * @sdp: The GFS2 superblock
+ * @ji_gh: the holder for the jindex glock
+ *
+ * Returns: errno
+ */
+
+static int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh)
+{
+	struct gfs2_inode *dip = GFS2_I(sdp->sd_jindex);
+	struct qstr name;
+	char buf[20];
+	struct gfs2_jdesc *jd;
+	int error;
+
+	name.name = buf;
+
+	mutex_lock(&sdp->sd_jindex_mutex);
+
+	for (;;) {
+		error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, ji_gh);
+		if (error)
+			break;
+
+		name.len = sprintf(buf, "journal%u", sdp->sd_journals);
+		name.hash = gfs2_disk_hash(name.name, name.len);
+
+		error = gfs2_dir_check(sdp->sd_jindex, &name, NULL);
+		if (error == -ENOENT) {
+			error = 0;
+			break;
+		}
+
+		gfs2_glock_dq_uninit(ji_gh);
+
+		if (error)
+			break;
+
+		error = -ENOMEM;
+		jd = kzalloc(sizeof(struct gfs2_jdesc), GFP_KERNEL);
+		if (!jd)
+			break;
+
+		INIT_LIST_HEAD(&jd->extent_list);
+		jd->jd_inode = gfs2_lookupi(sdp->sd_jindex, &name, 1);
+		if (!jd->jd_inode || IS_ERR(jd->jd_inode)) {
+			if (!jd->jd_inode)
+				error = -ENOENT;
+			else
+				error = PTR_ERR(jd->jd_inode);
+			kfree(jd);
+			break;
+		}
+
+		spin_lock(&sdp->sd_jindex_spin);
+		jd->jd_jid = sdp->sd_journals++;
+		list_add_tail(&jd->jd_list, &sdp->sd_jindex_list);
+		spin_unlock(&sdp->sd_jindex_spin);
+	}
+
+	mutex_unlock(&sdp->sd_jindex_mutex);
+
+	return error;
+}
+
 static int init_journal(struct gfs2_sbd *sdp, int undo)
 {
 	struct inode *master = sdp->sd_master_dir->d_inode;
@@ -681,7 +725,6 @@
 		return PTR_ERR(sdp->sd_jindex);
 	}
 	ip = GFS2_I(sdp->sd_jindex);
-	set_bit(GLF_STICKY, &ip->i_gl->gl_flags);
 
 	/* Load in the journal index special file */
 
@@ -832,7 +875,6 @@
 		goto fail_statfs;
 	}
 	ip = GFS2_I(sdp->sd_rindex);
-	set_bit(GLF_STICKY, &ip->i_gl->gl_flags);
 	sdp->sd_rindex_uptodate = 0;
 
 	/* Read in the quota inode */
@@ -973,9 +1015,6 @@
 	}
 	sdp->sd_logd_process = p;
 
-	sdp->sd_statfs_sync_time = jiffies;
-	sdp->sd_quota_sync_time = jiffies;
-
 	p = kthread_run(gfs2_quotad, sdp, "gfs2_quotad");
 	error = IS_ERR(p);
 	if (error) {
@@ -1224,17 +1263,21 @@
 static void gfs2_kill_sb(struct super_block *sb)
 {
 	struct gfs2_sbd *sdp = sb->s_fs_info;
-	if (sdp) {
-		gfs2_meta_syncfs(sdp);
-		dput(sdp->sd_root_dir);
-		dput(sdp->sd_master_dir);
-		sdp->sd_root_dir = NULL;
-		sdp->sd_master_dir = NULL;
+
+	if (sdp == NULL) {
+		kill_block_super(sb);
+		return;
 	}
+
+	gfs2_meta_syncfs(sdp);
+	dput(sdp->sd_root_dir);
+	dput(sdp->sd_master_dir);
+	sdp->sd_root_dir = NULL;
+	sdp->sd_master_dir = NULL;
 	shrink_dcache_sb(sb);
 	kill_block_super(sb);
-	if (sdp)
-		gfs2_delete_debugfs_file(sdp);
+	gfs2_delete_debugfs_file(sdp);
+	kfree(sdp);
 }
 
 struct file_system_type gfs2_fs_type = {
diff --git a/fs/gfs2/ops_fstype.h b/fs/gfs2/ops_fstype.h
deleted file mode 100644
index da84905..0000000
--- a/fs/gfs2/ops_fstype.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#ifndef __OPS_FSTYPE_DOT_H__
-#define __OPS_FSTYPE_DOT_H__
-
-#include <linux/fs.h>
-
-extern struct file_system_type gfs2_fs_type;
-extern struct file_system_type gfs2meta_fs_type;
-extern const struct export_operations gfs2_export_ops;
-
-#endif /* __OPS_FSTYPE_DOT_H__ */
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index d232991..4987754 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -19,6 +19,7 @@
 #include <linux/gfs2_ondisk.h>
 #include <linux/crc32.h>
 #include <linux/lm_interface.h>
+#include <linux/fiemap.h>
 #include <asm/uaccess.h>
 
 #include "gfs2.h"
@@ -31,12 +32,11 @@
 #include "glock.h"
 #include "inode.h"
 #include "meta_io.h"
-#include "ops_dentry.h"
-#include "ops_inode.h"
 #include "quota.h"
 #include "rgrp.h"
 #include "trans.h"
 #include "util.h"
+#include "super.h"
 
 /**
  * gfs2_create - Create a file
@@ -185,7 +185,7 @@
 	if (!dip->i_inode.i_nlink)
 		goto out_gunlock;
 	error = -EFBIG;
-	if (dip->i_di.di_entries == (u32)-1)
+	if (dip->i_entries == (u32)-1)
 		goto out_gunlock;
 	error = -EPERM;
 	if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
@@ -371,7 +371,7 @@
 
 	ip = ghs[1].gh_gl->gl_object;
 
-	ip->i_di.di_size = size;
+	ip->i_disksize = size;
 
 	error = gfs2_meta_inode_buffer(ip, &dibh);
 
@@ -425,9 +425,9 @@
 	ip = ghs[1].gh_gl->gl_object;
 
 	ip->i_inode.i_nlink = 2;
-	ip->i_di.di_size = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode);
-	ip->i_di.di_flags |= GFS2_DIF_JDATA;
-	ip->i_di.di_entries = 2;
+	ip->i_disksize = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode);
+	ip->i_diskflags |= GFS2_DIF_JDATA;
+	ip->i_entries = 2;
 
 	error = gfs2_meta_inode_buffer(ip, &dibh);
 
@@ -517,13 +517,13 @@
 	if (error)
 		goto out_gunlock;
 
-	if (ip->i_di.di_entries < 2) {
+	if (ip->i_entries < 2) {
 		if (gfs2_consist_inode(ip))
 			gfs2_dinode_print(ip);
 		error = -EIO;
 		goto out_gunlock;
 	}
-	if (ip->i_di.di_entries > 2) {
+	if (ip->i_entries > 2) {
 		error = -ENOTEMPTY;
 		goto out_gunlock;
 	}
@@ -726,13 +726,13 @@
 			goto out_gunlock;
 
 		if (S_ISDIR(nip->i_inode.i_mode)) {
-			if (nip->i_di.di_entries < 2) {
+			if (nip->i_entries < 2) {
 				if (gfs2_consist_inode(nip))
 					gfs2_dinode_print(nip);
 				error = -EIO;
 				goto out_gunlock;
 			}
-			if (nip->i_di.di_entries > 2) {
+			if (nip->i_entries > 2) {
 				error = -ENOTEMPTY;
 				goto out_gunlock;
 			}
@@ -758,7 +758,7 @@
 				error = -EINVAL;
 				goto out_gunlock;
 			}
-			if (ndip->i_di.di_entries == (u32)-1) {
+			if (ndip->i_entries == (u32)-1) {
 				error = -EFBIG;
 				goto out_gunlock;
 			}
@@ -990,7 +990,7 @@
 	struct gfs2_sbd *sdp = GFS2_SB(inode);
 	int error;
 
-	if (attr->ia_size != ip->i_di.di_size) {
+	if (attr->ia_size != ip->i_disksize) {
 		error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
 		if (error)
 			return error;
@@ -1001,8 +1001,8 @@
 	}
 
 	error = gfs2_truncatei(ip, attr->ia_size);
-	if (error && (inode->i_size != ip->i_di.di_size))
-		i_size_write(inode, ip->i_di.di_size);
+	if (error && (inode->i_size != ip->i_disksize))
+		i_size_write(inode, ip->i_disksize);
 
 	return error;
 }
@@ -1212,6 +1212,48 @@
 	return gfs2_ea_remove(GFS2_I(dentry->d_inode), &er);
 }
 
+static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+		       u64 start, u64 len)
+{
+	struct gfs2_inode *ip = GFS2_I(inode);
+	struct gfs2_holder gh;
+	int ret;
+
+	ret = fiemap_check_flags(fieinfo, FIEMAP_FLAG_SYNC);
+	if (ret)
+		return ret;
+
+	mutex_lock(&inode->i_mutex);
+
+	ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+	if (ret)
+		goto out;
+
+	if (gfs2_is_stuffed(ip)) {
+		u64 phys = ip->i_no_addr << inode->i_blkbits;
+		u64 size = i_size_read(inode);
+		u32 flags = FIEMAP_EXTENT_LAST|FIEMAP_EXTENT_NOT_ALIGNED|
+			    FIEMAP_EXTENT_DATA_INLINE;
+		phys += sizeof(struct gfs2_dinode);
+		phys += start;
+		if (start + len > size)
+			len = size - start;
+		if (start < size)
+			ret = fiemap_fill_next_extent(fieinfo, start, phys,
+						      len, flags);
+		if (ret == 1)
+			ret = 0;
+	} else {
+		ret = __generic_block_fiemap(inode, fieinfo, start, len,
+					     gfs2_block_map);
+	}
+
+	gfs2_glock_dq_uninit(&gh);
+out:
+	mutex_unlock(&inode->i_mutex);
+	return ret;
+}
+
 const struct inode_operations gfs2_file_iops = {
 	.permission = gfs2_permission,
 	.setattr = gfs2_setattr,
@@ -1220,6 +1262,7 @@
 	.getxattr = gfs2_getxattr,
 	.listxattr = gfs2_listxattr,
 	.removexattr = gfs2_removexattr,
+	.fiemap = gfs2_fiemap,
 };
 
 const struct inode_operations gfs2_dir_iops = {
@@ -1239,6 +1282,7 @@
 	.getxattr = gfs2_getxattr,
 	.listxattr = gfs2_listxattr,
 	.removexattr = gfs2_removexattr,
+	.fiemap = gfs2_fiemap,
 };
 
 const struct inode_operations gfs2_symlink_iops = {
@@ -1251,5 +1295,6 @@
 	.getxattr = gfs2_getxattr,
 	.listxattr = gfs2_listxattr,
 	.removexattr = gfs2_removexattr,
+	.fiemap = gfs2_fiemap,
 };
 
diff --git a/fs/gfs2/ops_inode.h b/fs/gfs2/ops_inode.h
deleted file mode 100644
index 14b4b79..0000000
--- a/fs/gfs2/ops_inode.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#ifndef __OPS_INODE_DOT_H__
-#define __OPS_INODE_DOT_H__
-
-#include <linux/fs.h>
-
-extern const struct inode_operations gfs2_file_iops;
-extern const struct inode_operations gfs2_dir_iops;
-extern const struct inode_operations gfs2_symlink_iops;
-extern const struct file_operations gfs2_file_fops;
-extern const struct file_operations gfs2_dir_fops;
-extern const struct file_operations gfs2_file_fops_nolock;
-extern const struct file_operations gfs2_dir_fops_nolock;
-
-extern void gfs2_set_inode_flags(struct inode *inode);
-
-#endif /* __OPS_INODE_DOT_H__ */
diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c
index d5355d9..777783d 100644
--- a/fs/gfs2/ops_super.c
+++ b/fs/gfs2/ops_super.c
@@ -28,7 +28,6 @@
 #include "inode.h"
 #include "log.h"
 #include "mount.h"
-#include "ops_super.h"
 #include "quota.h"
 #include "recovery.h"
 #include "rgrp.h"
@@ -143,8 +142,6 @@
 	kthread_stop(sdp->sd_quotad_process);
 	kthread_stop(sdp->sd_logd_process);
 	kthread_stop(sdp->sd_recoverd_process);
-	while (sdp->sd_glockd_num--)
-		kthread_stop(sdp->sd_glockd_process[sdp->sd_glockd_num]);
 
 	if (!(sb->s_flags & MS_RDONLY)) {
 		error = gfs2_make_fs_ro(sdp);
@@ -185,7 +182,6 @@
 
 	/*  At this point, we're through participating in the lockspace  */
 	gfs2_sys_fs_del(sdp);
-	kfree(sdp);
 }
 
 /**
@@ -260,6 +256,137 @@
 }
 
 /**
+ * statfs_fill - fill in the sg for a given RG
+ * @rgd: the RG
+ * @sc: the sc structure
+ *
+ * Returns: 0 on success, -ESTALE if the LVB is invalid
+ */
+
+static int statfs_slow_fill(struct gfs2_rgrpd *rgd,
+			    struct gfs2_statfs_change_host *sc)
+{
+	gfs2_rgrp_verify(rgd);
+	sc->sc_total += rgd->rd_data;
+	sc->sc_free += rgd->rd_free;
+	sc->sc_dinodes += rgd->rd_dinodes;
+	return 0;
+}
+
+/**
+ * gfs2_statfs_slow - Stat a filesystem using asynchronous locking
+ * @sdp: the filesystem
+ * @sc: the sc info that will be returned
+ *
+ * Any error (other than a signal) will cause this routine to fall back
+ * to the synchronous version.
+ *
+ * FIXME: This really shouldn't busy wait like this.
+ *
+ * Returns: errno
+ */
+
+static int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
+{
+	struct gfs2_holder ri_gh;
+	struct gfs2_rgrpd *rgd_next;
+	struct gfs2_holder *gha, *gh;
+	unsigned int slots = 64;
+	unsigned int x;
+	int done;
+	int error = 0, err;
+
+	memset(sc, 0, sizeof(struct gfs2_statfs_change_host));
+	gha = kcalloc(slots, sizeof(struct gfs2_holder), GFP_KERNEL);
+	if (!gha)
+		return -ENOMEM;
+
+	error = gfs2_rindex_hold(sdp, &ri_gh);
+	if (error)
+		goto out;
+
+	rgd_next = gfs2_rgrpd_get_first(sdp);
+
+	for (;;) {
+		done = 1;
+
+		for (x = 0; x < slots; x++) {
+			gh = gha + x;
+
+			if (gh->gh_gl && gfs2_glock_poll(gh)) {
+				err = gfs2_glock_wait(gh);
+				if (err) {
+					gfs2_holder_uninit(gh);
+					error = err;
+				} else {
+					if (!error)
+						error = statfs_slow_fill(
+							gh->gh_gl->gl_object, sc);
+					gfs2_glock_dq_uninit(gh);
+				}
+			}
+
+			if (gh->gh_gl)
+				done = 0;
+			else if (rgd_next && !error) {
+				error = gfs2_glock_nq_init(rgd_next->rd_gl,
+							   LM_ST_SHARED,
+							   GL_ASYNC,
+							   gh);
+				rgd_next = gfs2_rgrpd_get_next(rgd_next);
+				done = 0;
+			}
+
+			if (signal_pending(current))
+				error = -ERESTARTSYS;
+		}
+
+		if (done)
+			break;
+
+		yield();
+	}
+
+	gfs2_glock_dq_uninit(&ri_gh);
+
+out:
+	kfree(gha);
+	return error;
+}
+
+/**
+ * gfs2_statfs_i - Do a statfs
+ * @sdp: the filesystem
+ * @sg: the sg structure
+ *
+ * Returns: errno
+ */
+
+static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
+{
+	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
+	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
+
+	spin_lock(&sdp->sd_statfs_spin);
+
+	*sc = *m_sc;
+	sc->sc_total += l_sc->sc_total;
+	sc->sc_free += l_sc->sc_free;
+	sc->sc_dinodes += l_sc->sc_dinodes;
+
+	spin_unlock(&sdp->sd_statfs_spin);
+
+	if (sc->sc_free < 0)
+		sc->sc_free = 0;
+	if (sc->sc_free > sc->sc_total)
+		sc->sc_free = sc->sc_total;
+	if (sc->sc_dinodes < 0)
+		sc->sc_dinodes = 0;
+
+	return 0;
+}
+
+/**
  * gfs2_statfs - Gather and return stats about the filesystem
  * @sb: The superblock
  * @statfsbuf: The buffer
@@ -370,7 +497,6 @@
 	 */
 	if (test_bit(GIF_USER, &ip->i_flags)) {
 		ip->i_gl->gl_object = NULL;
-		gfs2_glock_schedule_for_reclaim(ip->i_gl);
 		gfs2_glock_put(ip->i_gl);
 		ip->i_gl = NULL;
 		if (ip->i_iopen_gh.gh_gl) {
@@ -423,8 +549,6 @@
 		seq_printf(s, ",debug");
 	if (args->ar_upgrade)
 		seq_printf(s, ",upgrade");
-	if (args->ar_num_glockd != GFS2_GLOCKD_DEFAULT)
-		seq_printf(s, ",num_glockd=%u", args->ar_num_glockd);
 	if (args->ar_posix_acl)
 		seq_printf(s, ",acl");
 	if (args->ar_quota != GFS2_QUOTA_DEFAULT) {
@@ -494,16 +618,16 @@
 	gfs2_holder_reinit(LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, &ip->i_iopen_gh);
 	error = gfs2_glock_nq(&ip->i_iopen_gh);
 	if (error)
-		goto out_uninit;
+		goto out_truncate;
 
 	if (S_ISDIR(inode->i_mode) &&
-	    (ip->i_di.di_flags & GFS2_DIF_EXHASH)) {
+	    (ip->i_diskflags & GFS2_DIF_EXHASH)) {
 		error = gfs2_dir_exhash_dealloc(ip);
 		if (error)
 			goto out_unlock;
 	}
 
-	if (ip->i_di.di_eattr) {
+	if (ip->i_eattr) {
 		error = gfs2_ea_dealloc(ip);
 		if (error)
 			goto out_unlock;
@@ -519,6 +643,7 @@
 	if (error)
 		goto out_unlock;
 
+out_truncate:
 	error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
 	if (error)
 		goto out_unlock;
@@ -527,8 +652,8 @@
 	gfs2_trans_end(sdp);
 
 out_unlock:
-	gfs2_glock_dq(&ip->i_iopen_gh);
-out_uninit:
+	if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags))
+		gfs2_glock_dq(&ip->i_iopen_gh);
 	gfs2_holder_uninit(&ip->i_iopen_gh);
 	gfs2_glock_dq_uninit(&gh);
 	if (error && error != GLR_TRYFAILED)
diff --git a/fs/gfs2/ops_super.h b/fs/gfs2/ops_super.h
deleted file mode 100644
index 442a274..0000000
--- a/fs/gfs2/ops_super.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#ifndef __OPS_SUPER_DOT_H__
-#define __OPS_SUPER_DOT_H__
-
-#include <linux/fs.h>
-
-extern const struct super_operations gfs2_super_ops;
-
-#endif /* __OPS_SUPER_DOT_H__ */
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 3e073f5..b08d096 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -46,6 +46,8 @@
 #include <linux/bio.h>
 #include <linux/gfs2_ondisk.h>
 #include <linux/lm_interface.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
 
 #include "gfs2.h"
 #include "incore.h"
@@ -94,7 +96,7 @@
 	struct gfs2_quota_data *qd;
 	int error;
 
-	qd = kzalloc(sizeof(struct gfs2_quota_data), GFP_NOFS);
+	qd = kmem_cache_zalloc(gfs2_quotad_cachep, GFP_NOFS);
 	if (!qd)
 		return -ENOMEM;
 
@@ -119,7 +121,7 @@
 	return 0;
 
 fail:
-	kfree(qd);
+	kmem_cache_free(gfs2_quotad_cachep, qd);
 	return error;
 }
 
@@ -158,7 +160,7 @@
 		if (qd || !create) {
 			if (new_qd) {
 				gfs2_lvb_unhold(new_qd->qd_gl);
-				kfree(new_qd);
+				kmem_cache_free(gfs2_quotad_cachep, new_qd);
 			}
 			*qdp = qd;
 			return 0;
@@ -1013,7 +1015,7 @@
 
 	if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), change))
 		return;
-	if (ip->i_di.di_flags & GFS2_DIF_SYSTEM)
+	if (ip->i_diskflags & GFS2_DIF_SYSTEM)
 		return;
 
 	for (x = 0; x < al->al_qd_num; x++) {
@@ -1100,15 +1102,15 @@
 int gfs2_quota_init(struct gfs2_sbd *sdp)
 {
 	struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode);
-	unsigned int blocks = ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift;
+	unsigned int blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift;
 	unsigned int x, slot = 0;
 	unsigned int found = 0;
 	u64 dblock;
 	u32 extlen = 0;
 	int error;
 
-	if (!ip->i_di.di_size || ip->i_di.di_size > (64 << 20) ||
-	    ip->i_di.di_size & (sdp->sd_sb.sb_bsize - 1)) {
+	if (!ip->i_disksize || ip->i_disksize > (64 << 20) ||
+	    ip->i_disksize & (sdp->sd_sb.sb_bsize - 1)) {
 		gfs2_consist_inode(ip);
 		return -EIO;
 	}
@@ -1195,7 +1197,7 @@
 	return error;
 }
 
-void gfs2_quota_scan(struct gfs2_sbd *sdp)
+static void gfs2_quota_scan(struct gfs2_sbd *sdp)
 {
 	struct gfs2_quota_data *qd, *safe;
 	LIST_HEAD(dead);
@@ -1222,7 +1224,7 @@
 		gfs2_assert_warn(sdp, !qd->qd_bh_count);
 
 		gfs2_lvb_unhold(qd->qd_gl);
-		kfree(qd);
+		kmem_cache_free(gfs2_quotad_cachep, qd);
 	}
 }
 
@@ -1257,7 +1259,7 @@
 		gfs2_assert_warn(sdp, !qd->qd_bh_count);
 
 		gfs2_lvb_unhold(qd->qd_gl);
-		kfree(qd);
+		kmem_cache_free(gfs2_quotad_cachep, qd);
 
 		spin_lock(&sdp->sd_quota_spin);
 	}
@@ -1272,3 +1274,94 @@
 	}
 }
 
+static void quotad_error(struct gfs2_sbd *sdp, const char *msg, int error)
+{
+	if (error == 0 || error == -EROFS)
+		return;
+	if (!test_bit(SDF_SHUTDOWN, &sdp->sd_flags))
+		fs_err(sdp, "gfs2_quotad: %s error %d\n", msg, error);
+}
+
+static void quotad_check_timeo(struct gfs2_sbd *sdp, const char *msg,
+			       int (*fxn)(struct gfs2_sbd *sdp),
+			       unsigned long t, unsigned long *timeo,
+			       unsigned int *new_timeo)
+{
+	if (t >= *timeo) {
+		int error = fxn(sdp);
+		quotad_error(sdp, msg, error);
+		*timeo = gfs2_tune_get_i(&sdp->sd_tune, new_timeo) * HZ;
+	} else {
+		*timeo -= t;
+	}
+}
+
+static void quotad_check_trunc_list(struct gfs2_sbd *sdp)
+{
+	struct gfs2_inode *ip;
+
+	while(1) {
+		ip = NULL;
+		spin_lock(&sdp->sd_trunc_lock);
+		if (!list_empty(&sdp->sd_trunc_list)) {
+			ip = list_entry(sdp->sd_trunc_list.next,
+					struct gfs2_inode, i_trunc_list);
+			list_del_init(&ip->i_trunc_list);
+		}
+		spin_unlock(&sdp->sd_trunc_lock);
+		if (ip == NULL)
+			return;
+		gfs2_glock_finish_truncate(ip);
+	}
+}
+
+/**
+ * gfs2_quotad - Write cached quota changes into the quota file
+ * @sdp: Pointer to GFS2 superblock
+ *
+ */
+
+int gfs2_quotad(void *data)
+{
+	struct gfs2_sbd *sdp = data;
+	struct gfs2_tune *tune = &sdp->sd_tune;
+	unsigned long statfs_timeo = 0;
+	unsigned long quotad_timeo = 0;
+	unsigned long t = 0;
+	DEFINE_WAIT(wait);
+	int empty;
+
+	while (!kthread_should_stop()) {
+
+		/* Update the master statfs file */
+		quotad_check_timeo(sdp, "statfs", gfs2_statfs_sync, t,
+				   &statfs_timeo, &tune->gt_statfs_quantum);
+
+		/* Update quota file */
+		quotad_check_timeo(sdp, "sync", gfs2_quota_sync, t,
+				   &quotad_timeo, &tune->gt_quota_quantum);
+
+		/* FIXME: This should be turned into a shrinker */
+		gfs2_quota_scan(sdp);
+
+		/* Check for & recover partially truncated inodes */
+		quotad_check_trunc_list(sdp);
+
+		if (freezing(current))
+			refrigerator();
+		t = min(quotad_timeo, statfs_timeo);
+
+		prepare_to_wait(&sdp->sd_quota_wait, &wait, TASK_UNINTERRUPTIBLE);
+		spin_lock(&sdp->sd_trunc_lock);
+		empty = list_empty(&sdp->sd_trunc_list);
+		spin_unlock(&sdp->sd_trunc_lock);
+		if (empty)
+			t -= schedule_timeout(t);
+		else
+			t = 0;
+		finish_wait(&sdp->sd_quota_wait, &wait);
+	}
+
+	return 0;
+}
+
diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index 3b7f4b0..cec9032 100644
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -15,22 +15,22 @@
 
 #define NO_QUOTA_CHANGE ((u32)-1)
 
-int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid);
-void gfs2_quota_unhold(struct gfs2_inode *ip);
+extern int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_unhold(struct gfs2_inode *ip);
 
-int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid);
-void gfs2_quota_unlock(struct gfs2_inode *ip);
+extern int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_unlock(struct gfs2_inode *ip);
 
-int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid);
-void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
-		       u32 uid, u32 gid);
+extern int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
+			      u32 uid, u32 gid);
 
-int gfs2_quota_sync(struct gfs2_sbd *sdp);
-int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id);
+extern int gfs2_quota_sync(struct gfs2_sbd *sdp);
+extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id);
 
-int gfs2_quota_init(struct gfs2_sbd *sdp);
-void gfs2_quota_scan(struct gfs2_sbd *sdp);
-void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
+extern int gfs2_quota_init(struct gfs2_sbd *sdp);
+extern void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
+extern int gfs2_quotad(void *data);
 
 static inline int gfs2_quota_lock_check(struct gfs2_inode *ip)
 {
diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index d5e91f4..efd09c3 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -14,6 +14,8 @@
 #include <linux/gfs2_ondisk.h>
 #include <linux/crc32.h>
 #include <linux/lm_interface.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
 
 #include "gfs2.h"
 #include "incore.h"
@@ -583,13 +585,35 @@
 	return error;
 }
 
+static struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp)
+{
+	struct gfs2_jdesc *jd;
+	int found = 0;
+
+	spin_lock(&sdp->sd_jindex_spin);
+
+	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
+		if (jd->jd_dirty) {
+			jd->jd_dirty = 0;
+			found = 1;
+			break;
+		}
+	}
+	spin_unlock(&sdp->sd_jindex_spin);
+
+	if (!found)
+		jd = NULL;
+
+	return jd;
+}
+
 /**
  * gfs2_check_journals - Recover any dirty journals
  * @sdp: the filesystem
  *
  */
 
-void gfs2_check_journals(struct gfs2_sbd *sdp)
+static void gfs2_check_journals(struct gfs2_sbd *sdp)
 {
 	struct gfs2_jdesc *jd;
 
@@ -603,3 +627,25 @@
 	}
 }
 
+/**
+ * gfs2_recoverd - Recover dead machine's journals
+ * @sdp: Pointer to GFS2 superblock
+ *
+ */
+
+int gfs2_recoverd(void *data)
+{
+	struct gfs2_sbd *sdp = data;
+	unsigned long t;
+
+	while (!kthread_should_stop()) {
+		gfs2_check_journals(sdp);
+		t = gfs2_tune_get(sdp,  gt_recoverd_secs) * HZ;
+		if (freezing(current))
+			refrigerator();
+		schedule_timeout_interruptible(t);
+	}
+
+	return 0;
+}
+
diff --git a/fs/gfs2/recovery.h b/fs/gfs2/recovery.h
index f7235e6..a8218ea 100644
--- a/fs/gfs2/recovery.h
+++ b/fs/gfs2/recovery.h
@@ -18,17 +18,17 @@
 	        *blk = 0;
 }
 
-int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,
+extern int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,
 			   struct buffer_head **bh);
 
-int gfs2_revoke_add(struct gfs2_sbd *sdp, u64 blkno, unsigned int where);
-int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where);
-void gfs2_revoke_clean(struct gfs2_sbd *sdp);
+extern int gfs2_revoke_add(struct gfs2_sbd *sdp, u64 blkno, unsigned int where);
+extern int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where);
+extern void gfs2_revoke_clean(struct gfs2_sbd *sdp);
 
-int gfs2_find_jhead(struct gfs2_jdesc *jd,
+extern int gfs2_find_jhead(struct gfs2_jdesc *jd,
 		    struct gfs2_log_header_host *head);
-int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd);
-void gfs2_check_journals(struct gfs2_sbd *sdp);
+extern int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd);
+extern int gfs2_recoverd(void *data);
 
 #endif /* __RECOVERY_DOT_H__ */
 
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 2d90fb2..8b01c63 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -269,16 +269,14 @@
 						  bi->bi_len, x);
 	}
 
-	if (count[0] != rgd->rd_rg.rg_free) {
+	if (count[0] != rgd->rd_free) {
 		if (gfs2_consist_rgrpd(rgd))
 			fs_err(sdp, "free data mismatch:  %u != %u\n",
-			       count[0], rgd->rd_rg.rg_free);
+			       count[0], rgd->rd_free);
 		return;
 	}
 
-	tmp = rgd->rd_data -
-		rgd->rd_rg.rg_free -
-		rgd->rd_rg.rg_dinodes;
+	tmp = rgd->rd_data - rgd->rd_free - rgd->rd_dinodes;
 	if (count[1] + count[2] != tmp) {
 		if (gfs2_consist_rgrpd(rgd))
 			fs_err(sdp, "used data mismatch:  %u != %u\n",
@@ -286,10 +284,10 @@
 		return;
 	}
 
-	if (count[3] != rgd->rd_rg.rg_dinodes) {
+	if (count[3] != rgd->rd_dinodes) {
 		if (gfs2_consist_rgrpd(rgd))
 			fs_err(sdp, "used metadata mismatch:  %u != %u\n",
-			       count[3], rgd->rd_rg.rg_dinodes);
+			       count[3], rgd->rd_dinodes);
 		return;
 	}
 
@@ -501,7 +499,7 @@
 	for (rgrps = 0;; rgrps++) {
 		loff_t pos = rgrps * sizeof(struct gfs2_rindex);
 
-		if (pos + sizeof(struct gfs2_rindex) >= ip->i_di.di_size)
+		if (pos + sizeof(struct gfs2_rindex) >= ip->i_disksize)
 			break;
 		error = gfs2_internal_read(ip, &ra_state, buf, &pos,
 					   sizeof(struct gfs2_rindex));
@@ -590,7 +588,7 @@
 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
 	struct inode *inode = &ip->i_inode;
 	struct file_ra_state ra_state;
-	u64 rgrp_count = ip->i_di.di_size;
+	u64 rgrp_count = ip->i_disksize;
 	int error;
 
 	if (do_div(rgrp_count, sizeof(struct gfs2_rindex))) {
@@ -634,7 +632,7 @@
 	for (sdp->sd_rgrps = 0;; sdp->sd_rgrps++) {
 		/* Ignore partials */
 		if ((sdp->sd_rgrps + 1) * sizeof(struct gfs2_rindex) >
-		    ip->i_di.di_size)
+		    ip->i_disksize)
 			break;
 		error = read_rindex_entry(ip, &ra_state);
 		if (error) {
@@ -692,7 +690,6 @@
 static void gfs2_rgrp_in(struct gfs2_rgrpd *rgd, const void *buf)
 {
 	const struct gfs2_rgrp *str = buf;
-	struct gfs2_rgrp_host *rg = &rgd->rd_rg;
 	u32 rg_flags;
 
 	rg_flags = be32_to_cpu(str->rg_flags);
@@ -700,24 +697,23 @@
 		rgd->rd_flags |= GFS2_RDF_NOALLOC;
 	else
 		rgd->rd_flags &= ~GFS2_RDF_NOALLOC;
-	rg->rg_free = be32_to_cpu(str->rg_free);
-	rg->rg_dinodes = be32_to_cpu(str->rg_dinodes);
-	rg->rg_igeneration = be64_to_cpu(str->rg_igeneration);
+	rgd->rd_free = be32_to_cpu(str->rg_free);
+	rgd->rd_dinodes = be32_to_cpu(str->rg_dinodes);
+	rgd->rd_igeneration = be64_to_cpu(str->rg_igeneration);
 }
 
 static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf)
 {
 	struct gfs2_rgrp *str = buf;
-	struct gfs2_rgrp_host *rg = &rgd->rd_rg;
 	u32 rg_flags = 0;
 
 	if (rgd->rd_flags & GFS2_RDF_NOALLOC)
 		rg_flags |= GFS2_RGF_NOALLOC;
 	str->rg_flags = cpu_to_be32(rg_flags);
-	str->rg_free = cpu_to_be32(rg->rg_free);
-	str->rg_dinodes = cpu_to_be32(rg->rg_dinodes);
+	str->rg_free = cpu_to_be32(rgd->rd_free);
+	str->rg_dinodes = cpu_to_be32(rgd->rd_dinodes);
 	str->__pad = cpu_to_be32(0);
-	str->rg_igeneration = cpu_to_be64(rg->rg_igeneration);
+	str->rg_igeneration = cpu_to_be64(rgd->rd_igeneration);
 	memset(&str->rg_reserved, 0, sizeof(str->rg_reserved));
 }
 
@@ -776,7 +772,7 @@
 	}
 
 	spin_lock(&sdp->sd_rindex_spin);
-	rgd->rd_free_clone = rgd->rd_rg.rg_free;
+	rgd->rd_free_clone = rgd->rd_free;
 	rgd->rd_bh_count++;
 	spin_unlock(&sdp->sd_rindex_spin);
 
@@ -850,7 +846,7 @@
 	}
 
 	spin_lock(&sdp->sd_rindex_spin);
-	rgd->rd_free_clone = rgd->rd_rg.rg_free;
+	rgd->rd_free_clone = rgd->rd_free;
 	spin_unlock(&sdp->sd_rindex_spin);
 }
 
@@ -1403,8 +1399,8 @@
 	block = rgd->rd_data0 + blk;
 	ip->i_goal = block;
 
-	gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free >= *n);
-	rgd->rd_rg.rg_free -= *n;
+	gfs2_assert_withdraw(sdp, rgd->rd_free >= *n);
+	rgd->rd_free -= *n;
 
 	gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
 	gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
@@ -1445,10 +1441,10 @@
 
 	block = rgd->rd_data0 + blk;
 
-	gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free);
-	rgd->rd_rg.rg_free--;
-	rgd->rd_rg.rg_dinodes++;
-	*generation = rgd->rd_rg.rg_igeneration++;
+	gfs2_assert_withdraw(sdp, rgd->rd_free);
+	rgd->rd_free--;
+	rgd->rd_dinodes++;
+	*generation = rgd->rd_igeneration++;
 	gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
 	gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
 
@@ -1481,7 +1477,7 @@
 	if (!rgd)
 		return;
 
-	rgd->rd_rg.rg_free += blen;
+	rgd->rd_free += blen;
 
 	gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
 	gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
@@ -1509,7 +1505,7 @@
 	if (!rgd)
 		return;
 
-	rgd->rd_rg.rg_free += blen;
+	rgd->rd_free += blen;
 
 	gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
 	gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
@@ -1546,10 +1542,10 @@
 		return;
 	gfs2_assert_withdraw(sdp, rgd == tmp_rgd);
 
-	if (!rgd->rd_rg.rg_dinodes)
+	if (!rgd->rd_dinodes)
 		gfs2_consist_rgrpd(rgd);
-	rgd->rd_rg.rg_dinodes--;
-	rgd->rd_rg.rg_free++;
+	rgd->rd_dinodes--;
+	rgd->rd_free++;
 
 	gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
 	gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index c3ba3d9..141b781 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -34,76 +34,6 @@
 #include "util.h"
 
 /**
- * gfs2_jindex_hold - Grab a lock on the jindex
- * @sdp: The GFS2 superblock
- * @ji_gh: the holder for the jindex glock
- *
- * This is very similar to the gfs2_rindex_hold() function, except that
- * in general we hold the jindex lock for longer periods of time and
- * we grab it far less frequently (in general) then the rgrp lock.
- *
- * Returns: errno
- */
-
-int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh)
-{
-	struct gfs2_inode *dip = GFS2_I(sdp->sd_jindex);
-	struct qstr name;
-	char buf[20];
-	struct gfs2_jdesc *jd;
-	int error;
-
-	name.name = buf;
-
-	mutex_lock(&sdp->sd_jindex_mutex);
-
-	for (;;) {
-		error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, ji_gh);
-		if (error)
-			break;
-
-		name.len = sprintf(buf, "journal%u", sdp->sd_journals);
-		name.hash = gfs2_disk_hash(name.name, name.len);
-
-		error = gfs2_dir_check(sdp->sd_jindex, &name, NULL);
-		if (error == -ENOENT) {
-			error = 0;
-			break;
-		}
-
-		gfs2_glock_dq_uninit(ji_gh);
-
-		if (error)
-			break;
-
-		error = -ENOMEM;
-		jd = kzalloc(sizeof(struct gfs2_jdesc), GFP_KERNEL);
-		if (!jd)
-			break;
-
-		INIT_LIST_HEAD(&jd->extent_list);
-		jd->jd_inode = gfs2_lookupi(sdp->sd_jindex, &name, 1);
-		if (!jd->jd_inode || IS_ERR(jd->jd_inode)) {
-			if (!jd->jd_inode)
-				error = -ENOENT;
-			else
-				error = PTR_ERR(jd->jd_inode);
-			kfree(jd);
-			break;
-		}
-
-		spin_lock(&sdp->sd_jindex_spin);
-		jd->jd_jid = sdp->sd_journals++;
-		list_add_tail(&jd->jd_list, &sdp->sd_jindex_list);
-		spin_unlock(&sdp->sd_jindex_spin);
-	}
-
-	mutex_unlock(&sdp->sd_jindex_mutex);
-
-	return error;
-}
-
-/**
  * gfs2_jindex_free - Clear all the journal index information
  * @sdp: The GFS2 superblock
  *
@@ -166,39 +96,6 @@
 	return jd;
 }
 
-void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid)
-{
-	struct gfs2_jdesc *jd;
-
-	spin_lock(&sdp->sd_jindex_spin);
-	jd = jdesc_find_i(&sdp->sd_jindex_list, jid);
-	if (jd)
-		jd->jd_dirty = 1;
-	spin_unlock(&sdp->sd_jindex_spin);
-}
-
-struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp)
-{
-	struct gfs2_jdesc *jd;
-	int found = 0;
-
-	spin_lock(&sdp->sd_jindex_spin);
-
-	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
-		if (jd->jd_dirty) {
-			jd->jd_dirty = 0;
-			found = 1;
-			break;
-		}
-	}
-	spin_unlock(&sdp->sd_jindex_spin);
-
-	if (!found)
-		jd = NULL;
-
-	return jd;
-}
-
 int gfs2_jdesc_check(struct gfs2_jdesc *jd)
 {
 	struct gfs2_inode *ip = GFS2_I(jd->jd_inode);
@@ -206,14 +103,14 @@
 	int ar;
 	int error;
 
-	if (ip->i_di.di_size < (8 << 20) || ip->i_di.di_size > (1 << 30) ||
-	    (ip->i_di.di_size & (sdp->sd_sb.sb_bsize - 1))) {
+	if (ip->i_disksize < (8 << 20) || ip->i_disksize > (1 << 30) ||
+	    (ip->i_disksize & (sdp->sd_sb.sb_bsize - 1))) {
 		gfs2_consist_inode(ip);
 		return -EIO;
 	}
-	jd->jd_blocks = ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift;
+	jd->jd_blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift;
 
-	error = gfs2_write_alloc_required(ip, 0, ip->i_di.di_size, &ar);
+	error = gfs2_write_alloc_required(ip, 0, ip->i_disksize, &ar);
 	if (!error && ar) {
 		gfs2_consist_inode(ip);
 		error = -EIO;
@@ -423,137 +320,6 @@
 	return error;
 }
 
-/**
- * gfs2_statfs_i - Do a statfs
- * @sdp: the filesystem
- * @sg: the sg structure
- *
- * Returns: errno
- */
-
-int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
-{
-	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
-	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
-
-	spin_lock(&sdp->sd_statfs_spin);
-
-	*sc = *m_sc;
-	sc->sc_total += l_sc->sc_total;
-	sc->sc_free += l_sc->sc_free;
-	sc->sc_dinodes += l_sc->sc_dinodes;
-
-	spin_unlock(&sdp->sd_statfs_spin);
-
-	if (sc->sc_free < 0)
-		sc->sc_free = 0;
-	if (sc->sc_free > sc->sc_total)
-		sc->sc_free = sc->sc_total;
-	if (sc->sc_dinodes < 0)
-		sc->sc_dinodes = 0;
-
-	return 0;
-}
-
-/**
- * statfs_fill - fill in the sg for a given RG
- * @rgd: the RG
- * @sc: the sc structure
- *
- * Returns: 0 on success, -ESTALE if the LVB is invalid
- */
-
-static int statfs_slow_fill(struct gfs2_rgrpd *rgd,
-			    struct gfs2_statfs_change_host *sc)
-{
-	gfs2_rgrp_verify(rgd);
-	sc->sc_total += rgd->rd_data;
-	sc->sc_free += rgd->rd_rg.rg_free;
-	sc->sc_dinodes += rgd->rd_rg.rg_dinodes;
-	return 0;
-}
-
-/**
- * gfs2_statfs_slow - Stat a filesystem using asynchronous locking
- * @sdp: the filesystem
- * @sc: the sc info that will be returned
- *
- * Any error (other than a signal) will cause this routine to fall back
- * to the synchronous version.
- *
- * FIXME: This really shouldn't busy wait like this.
- *
- * Returns: errno
- */
-
-int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
-{
-	struct gfs2_holder ri_gh;
-	struct gfs2_rgrpd *rgd_next;
-	struct gfs2_holder *gha, *gh;
-	unsigned int slots = 64;
-	unsigned int x;
-	int done;
-	int error = 0, err;
-
-	memset(sc, 0, sizeof(struct gfs2_statfs_change_host));
-	gha = kcalloc(slots, sizeof(struct gfs2_holder), GFP_KERNEL);
-	if (!gha)
-		return -ENOMEM;
-
-	error = gfs2_rindex_hold(sdp, &ri_gh);
-	if (error)
-		goto out;
-
-	rgd_next = gfs2_rgrpd_get_first(sdp);
-
-	for (;;) {
-		done = 1;
-
-		for (x = 0; x < slots; x++) {
-			gh = gha + x;
-
-			if (gh->gh_gl && gfs2_glock_poll(gh)) {
-				err = gfs2_glock_wait(gh);
-				if (err) {
-					gfs2_holder_uninit(gh);
-					error = err;
-				} else {
-					if (!error)
-						error = statfs_slow_fill(
-							gh->gh_gl->gl_object, sc);
-					gfs2_glock_dq_uninit(gh);
-				}
-			}
-
-			if (gh->gh_gl)
-				done = 0;
-			else if (rgd_next && !error) {
-				error = gfs2_glock_nq_init(rgd_next->rd_gl,
-							   LM_ST_SHARED,
-							   GL_ASYNC,
-							   gh);
-				rgd_next = gfs2_rgrpd_get_next(rgd_next);
-				done = 0;
-			}
-
-			if (signal_pending(current))
-				error = -ERESTARTSYS;
-		}
-
-		if (done)
-			break;
-
-		yield();
-	}
-
-	gfs2_glock_dq_uninit(&ri_gh);
-
-out:
-	kfree(gha);
-	return error;
-}
-
 struct lfcc {
 	struct list_head list;
 	struct gfs2_holder gh;
@@ -580,10 +346,6 @@
 	struct gfs2_log_header_host lh;
 	int error;
 
-	error = gfs2_jindex_hold(sdp, &ji_gh);
-	if (error)
-		return error;
-
 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
 		lfcc = kmalloc(sizeof(struct lfcc), GFP_KERNEL);
 		if (!lfcc) {
diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h
index 50a4c9b..f6b8b00 100644
--- a/fs/gfs2/super.h
+++ b/fs/gfs2/super.h
@@ -10,6 +10,8 @@
 #ifndef __SUPER_DOT_H__
 #define __SUPER_DOT_H__
 
+#include <linux/fs.h>
+#include <linux/dcache.h>
 #include "incore.h"
 
 void gfs2_lm_unmount(struct gfs2_sbd *sdp);
@@ -23,12 +25,9 @@
 	return x;
 }
 
-int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh);
 void gfs2_jindex_free(struct gfs2_sbd *sdp);
 
 struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
-void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid);
-struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp);
 int gfs2_jdesc_check(struct gfs2_jdesc *jd);
 
 int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
@@ -40,11 +39,15 @@
 void gfs2_statfs_change(struct gfs2_sbd *sdp,
 			s64 total, s64 free, s64 dinodes);
 int gfs2_statfs_sync(struct gfs2_sbd *sdp);
-int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
-int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
 
 int gfs2_freeze_fs(struct gfs2_sbd *sdp);
 void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
 
+extern struct file_system_type gfs2_fs_type;
+extern struct file_system_type gfs2meta_fs_type;
+extern const struct export_operations gfs2_export_ops;
+extern const struct super_operations gfs2_super_ops;
+extern struct dentry_operations gfs2_dops;
+
 #endif /* __SUPER_DOT_H__ */
 
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 7e1879f..26c1fa7 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -26,9 +26,6 @@
 #include "quota.h"
 #include "util.h"
 
-char *gfs2_sys_margs;
-spinlock_t gfs2_sys_margs_lock;
-
 static ssize_t id_show(struct gfs2_sbd *sdp, char *buf)
 {
 	return snprintf(buf, PAGE_SIZE, "%u:%u\n",
@@ -263,7 +260,6 @@
 ARGS_ATTR(localflocks,     "%d\n");
 ARGS_ATTR(debug,           "%d\n");
 ARGS_ATTR(upgrade,         "%d\n");
-ARGS_ATTR(num_glockd,      "%u\n");
 ARGS_ATTR(posix_acl,       "%d\n");
 ARGS_ATTR(quota,           "%u\n");
 ARGS_ATTR(suiddir,         "%d\n");
@@ -279,7 +275,6 @@
 	&args_attr_localflocks.attr,
 	&args_attr_debug.attr,
 	&args_attr_upgrade.attr,
-	&args_attr_num_glockd.attr,
 	&args_attr_posix_acl.attr,
 	&args_attr_quota.attr,
 	&args_attr_suiddir.attr,
@@ -288,30 +283,6 @@
 };
 
 /*
- * display counters from superblock
- */
-
-struct counters_attr {
-	struct attribute attr;
-	ssize_t (*show)(struct gfs2_sbd *, char *);
-};
-
-#define COUNTERS_ATTR(name, fmt)                                            \
-static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf)                 \
-{                                                                           \
-	return snprintf(buf, PAGE_SIZE, fmt,                                \
-			(unsigned int)atomic_read(&sdp->sd_##name));        \
-}                                                                           \
-static struct counters_attr counters_attr_##name = __ATTR_RO(name)
-
-COUNTERS_ATTR(reclaimed,        "%u\n");
-
-static struct attribute *counters_attrs[] = {
-	&counters_attr_reclaimed.attr,
-	NULL,
-};
-
-/*
  * get and set struct gfs2_tune fields
  */
 
@@ -393,7 +364,6 @@
 }                                                                             \
 TUNE_ATTR_2(name, name##_store)
 
-TUNE_ATTR(demote_secs, 0);
 TUNE_ATTR(incore_log_blocks, 0);
 TUNE_ATTR(log_flush_secs, 0);
 TUNE_ATTR(quota_warn_period, 0);
@@ -408,11 +378,9 @@
 TUNE_ATTR(statfs_quantum, 1);
 TUNE_ATTR_DAEMON(recoverd_secs, recoverd_process);
 TUNE_ATTR_DAEMON(logd_secs, logd_process);
-TUNE_ATTR_DAEMON(quotad_secs, quotad_process);
 TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store);
 
 static struct attribute *tune_attrs[] = {
-	&tune_attr_demote_secs.attr,
 	&tune_attr_incore_log_blocks.attr,
 	&tune_attr_log_flush_secs.attr,
 	&tune_attr_quota_warn_period.attr,
@@ -426,7 +394,6 @@
 	&tune_attr_statfs_quantum.attr,
 	&tune_attr_recoverd_secs.attr,
 	&tune_attr_logd_secs.attr,
-	&tune_attr_quotad_secs.attr,
 	&tune_attr_quota_scale.attr,
 	&tune_attr_new_files_jdata.attr,
 	NULL,
@@ -437,11 +404,6 @@
 	.attrs = lockstruct_attrs,
 };
 
-static struct attribute_group counters_group = {
-	.name = "counters",
-	.attrs = counters_attrs,
-};
-
 static struct attribute_group args_group = {
 	.name = "args",
 	.attrs = args_attrs,
@@ -466,13 +428,9 @@
 	if (error)
 		goto fail_reg;
 
-	error = sysfs_create_group(&sdp->sd_kobj, &counters_group);
-	if (error)
-		goto fail_lockstruct;
-
 	error = sysfs_create_group(&sdp->sd_kobj, &args_group);
 	if (error)
-		goto fail_counters;
+		goto fail_lockstruct;
 
 	error = sysfs_create_group(&sdp->sd_kobj, &tune_group);
 	if (error)
@@ -483,8 +441,6 @@
 
 fail_args:
 	sysfs_remove_group(&sdp->sd_kobj, &args_group);
-fail_counters:
-	sysfs_remove_group(&sdp->sd_kobj, &counters_group);
 fail_lockstruct:
 	sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
 fail_reg:
@@ -498,16 +454,27 @@
 {
 	sysfs_remove_group(&sdp->sd_kobj, &tune_group);
 	sysfs_remove_group(&sdp->sd_kobj, &args_group);
-	sysfs_remove_group(&sdp->sd_kobj, &counters_group);
 	sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
 	kobject_put(&sdp->sd_kobj);
 }
 
+static int gfs2_uevent(struct kset *kset, struct kobject *kobj,
+		       struct kobj_uevent_env *env)
+{
+	struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj);
+	add_uevent_var(env, "LOCKTABLE=%s", sdp->sd_table_name);
+	add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name);
+	return 0;
+}
+
+static struct kset_uevent_ops gfs2_uevent_ops = {
+	.uevent = gfs2_uevent,
+};
+
+
 int gfs2_sys_init(void)
 {
-	gfs2_sys_margs = NULL;
-	spin_lock_init(&gfs2_sys_margs_lock);
-	gfs2_kset = kset_create_and_add("gfs2", NULL, fs_kobj);
+	gfs2_kset = kset_create_and_add("gfs2", &gfs2_uevent_ops, fs_kobj);
 	if (!gfs2_kset)
 		return -ENOMEM;
 	return 0;
@@ -515,7 +482,6 @@
 
 void gfs2_sys_uninit(void)
 {
-	kfree(gfs2_sys_margs);
 	kset_unregister(gfs2_kset);
 }
 
diff --git a/fs/gfs2/sys.h b/fs/gfs2/sys.h
index 1ca8cda..e94560e 100644
--- a/fs/gfs2/sys.h
+++ b/fs/gfs2/sys.h
@@ -13,10 +13,6 @@
 #include <linux/spinlock.h>
 struct gfs2_sbd;
 
-/* Allow args to be passed to GFS2 when using an initial ram disk */
-extern char *gfs2_sys_margs;
-extern spinlock_t gfs2_sys_margs_lock;
-
 int gfs2_sys_fs_add(struct gfs2_sbd *sdp);
 void gfs2_sys_fs_del(struct gfs2_sbd *sdp);
 
diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c
index d31e355..374f50e 100644
--- a/fs/gfs2/util.c
+++ b/fs/gfs2/util.c
@@ -25,6 +25,7 @@
 struct kmem_cache *gfs2_inode_cachep __read_mostly;
 struct kmem_cache *gfs2_bufdata_cachep __read_mostly;
 struct kmem_cache *gfs2_rgrpd_cachep __read_mostly;
+struct kmem_cache *gfs2_quotad_cachep __read_mostly;
 
 void gfs2_assert_i(struct gfs2_sbd *sdp)
 {
diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h
index 7f48576..33e96b0 100644
--- a/fs/gfs2/util.h
+++ b/fs/gfs2/util.h
@@ -148,6 +148,7 @@
 extern struct kmem_cache *gfs2_inode_cachep;
 extern struct kmem_cache *gfs2_bufdata_cachep;
 extern struct kmem_cache *gfs2_rgrpd_cachep;
+extern struct kmem_cache *gfs2_quotad_cachep;
 
 static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt,
 					   unsigned int *p)
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 3a31451..5c538e0 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -501,7 +501,7 @@
 {
 	pgoff_t index = pos >> PAGE_CACHE_SHIFT;
 
-	*pagep = __grab_cache_page(mapping, index);
+	*pagep = grab_cache_page_write_begin(mapping, index, flags);
 	if (!*pagep)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 7d479ce..0ab0c6f5 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -506,7 +506,6 @@
 		inode->i_mode = mode;
 		inode->i_uid = uid;
 		inode->i_gid = gid;
-		inode->i_blocks = 0;
 		inode->i_mapping->a_ops = &hugetlbfs_aops;
 		inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
diff --git a/fs/inode.c b/fs/inode.c
index 7de1cda..bd48e5e 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -131,6 +131,8 @@
 	inode->i_op = &empty_iops;
 	inode->i_fop = &empty_fops;
 	inode->i_nlink = 1;
+	inode->i_uid = 0;
+	inode->i_gid = 0;
 	atomic_set(&inode->i_writecount, 0);
 	inode->i_size = 0;
 	inode->i_blocks = 0;
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 43e8b2c..cc3f1aa 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -231,7 +231,8 @@
 #define blk_to_logical(inode, blk) (blk << (inode)->i_blkbits)
 #define logical_to_blk(inode, offset) (offset >> (inode)->i_blkbits);
 
-/*
+/**
+ * __generic_block_fiemap - FIEMAP for block based inodes (no locking)
  * @inode - the inode to map
  * @arg - the pointer to userspace where we copy everything to
  * @get_block - the fs's get_block function
@@ -242,11 +243,15 @@
  *
  * If it is possible to have data blocks beyond a hole past @inode->i_size, then
  * please do not use this function, it will stop at the first unmapped block
- * beyond i_size
+ * beyond i_size.
+ *
+ * If you use this function directly, you need to do your own locking. Use
+ * generic_block_fiemap if you want the locking done for you.
  */
-int generic_block_fiemap(struct inode *inode,
-			 struct fiemap_extent_info *fieinfo, u64 start,
-			 u64 len, get_block_t *get_block)
+
+int __generic_block_fiemap(struct inode *inode,
+			   struct fiemap_extent_info *fieinfo, u64 start,
+			   u64 len, get_block_t *get_block)
 {
 	struct buffer_head tmp;
 	unsigned int start_blk;
@@ -260,9 +265,6 @@
 
 	start_blk = logical_to_blk(inode, start);
 
-	/* guard against change */
-	mutex_lock(&inode->i_mutex);
-
 	length = (long long)min_t(u64, len, i_size_read(inode));
 	map_len = length;
 
@@ -334,14 +336,36 @@
 		cond_resched();
 	} while (1);
 
-	mutex_unlock(&inode->i_mutex);
-
 	/* if ret is 1 then we just hit the end of the extent array */
 	if (ret == 1)
 		ret = 0;
 
 	return ret;
 }
+EXPORT_SYMBOL(__generic_block_fiemap);
+
+/**
+ * generic_block_fiemap - FIEMAP for block based inodes
+ * @inode: The inode to map
+ * @fieinfo: The mapping information
+ * @start: The initial block to map
+ * @len: The length of the extect to attempt to map
+ * @get_block: The block mapping function for the fs
+ *
+ * Calls __generic_block_fiemap to map the inode, after taking
+ * the inode's mutex lock.
+ */
+
+int generic_block_fiemap(struct inode *inode,
+			 struct fiemap_extent_info *fieinfo, u64 start,
+			 u64 len, get_block_t *get_block)
+{
+	int ret;
+	mutex_lock(&inode->i_mutex);
+	ret = __generic_block_fiemap(inode, fieinfo, start, len, get_block);
+	mutex_unlock(&inode->i_mutex);
+	return ret;
+}
 EXPORT_SYMBOL(generic_block_fiemap);
 
 #endif  /*  CONFIG_BLOCK  */
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 3f8af0f..6147ec3 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -855,10 +855,6 @@
 	}
 	sbi->s_joliet_level = joliet_level;
 
-	/* check the root inode */
-	if (!inode->i_op)
-		goto out_bad_root;
-
 	/* Make sure the root inode is a directory */
 	if (!S_ISDIR(inode->i_mode)) {
 		printk(KERN_WARNING
@@ -886,8 +882,6 @@
 	/*
 	 * Display error messages and free resources.
 	 */
-out_bad_root:
-	printk(KERN_WARNING "%s: root inode not initialized\n", __func__);
 out_iput:
 	iput(inode);
 	goto out_no_inode;
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index ebc667b..c8a1bac 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -509,6 +509,10 @@
 		if (is_journal_aborted(journal)) {
 			clear_buffer_jbddirty(jh2bh(jh));
 			JBUFFER_TRACE(jh, "journal is aborting: refile");
+			jbd2_buffer_abort_trigger(jh,
+						  jh->b_frozen_data ?
+						  jh->b_frozen_triggers :
+						  jh->b_triggers);
 			jbd2_journal_refile_buffer(journal, jh);
 			/* If that was the last one, we need to clean up
 			 * any descriptor buffers which may have been
@@ -844,6 +848,9 @@
 		 * data.
 		 *
 		 * Otherwise, we can just throw away the frozen data now.
+		 *
+		 * We also know that the frozen data has already fired
+		 * its triggers if they exist, so we can clear that too.
 		 */
 		if (jh->b_committed_data) {
 			jbd2_free(jh->b_committed_data, bh->b_size);
@@ -851,10 +858,12 @@
 			if (jh->b_frozen_data) {
 				jh->b_committed_data = jh->b_frozen_data;
 				jh->b_frozen_data = NULL;
+				jh->b_frozen_triggers = NULL;
 			}
 		} else if (jh->b_frozen_data) {
 			jbd2_free(jh->b_frozen_data, bh->b_size);
 			jh->b_frozen_data = NULL;
+			jh->b_frozen_triggers = NULL;
 		}
 
 		spin_lock(&journal->j_list_lock);
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index e70d657..f6bff9d 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -50,6 +50,7 @@
 EXPORT_SYMBOL(jbd2_journal_get_write_access);
 EXPORT_SYMBOL(jbd2_journal_get_create_access);
 EXPORT_SYMBOL(jbd2_journal_get_undo_access);
+EXPORT_SYMBOL(jbd2_journal_set_triggers);
 EXPORT_SYMBOL(jbd2_journal_dirty_metadata);
 EXPORT_SYMBOL(jbd2_journal_release_buffer);
 EXPORT_SYMBOL(jbd2_journal_forget);
@@ -290,6 +291,7 @@
 	struct page *new_page;
 	unsigned int new_offset;
 	struct buffer_head *bh_in = jh2bh(jh_in);
+	struct jbd2_buffer_trigger_type *triggers;
 
 	/*
 	 * The buffer really shouldn't be locked: only the current committing
@@ -314,13 +316,23 @@
 		done_copy_out = 1;
 		new_page = virt_to_page(jh_in->b_frozen_data);
 		new_offset = offset_in_page(jh_in->b_frozen_data);
+		triggers = jh_in->b_frozen_triggers;
 	} else {
 		new_page = jh2bh(jh_in)->b_page;
 		new_offset = offset_in_page(jh2bh(jh_in)->b_data);
+		triggers = jh_in->b_triggers;
 	}
 
 	mapped_data = kmap_atomic(new_page, KM_USER0);
 	/*
+	 * Fire any commit trigger.  Do this before checking for escaping,
+	 * as the trigger may modify the magic offset.  If a copy-out
+	 * happens afterwards, it will have the correct data in the buffer.
+	 */
+	jbd2_buffer_commit_trigger(jh_in, mapped_data + new_offset,
+				   triggers);
+
+	/*
 	 * Check for escaping
 	 */
 	if (*((__be32 *)(mapped_data + new_offset)) ==
@@ -352,6 +364,13 @@
 		new_page = virt_to_page(tmp);
 		new_offset = offset_in_page(tmp);
 		done_copy_out = 1;
+
+		/*
+		 * This isn't strictly necessary, as we're using frozen
+		 * data for the escaping, but it keeps consistency with
+		 * b_frozen_data usage.
+		 */
+		jh_in->b_frozen_triggers = jh_in->b_triggers;
 	}
 
 	/*
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 39b7805..4f925a4 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -741,6 +741,12 @@
 		source = kmap_atomic(page, KM_USER0);
 		memcpy(jh->b_frozen_data, source+offset, jh2bh(jh)->b_size);
 		kunmap_atomic(source, KM_USER0);
+
+		/*
+		 * Now that the frozen data is saved off, we need to store
+		 * any matching triggers.
+		 */
+		jh->b_frozen_triggers = jh->b_triggers;
 	}
 	jbd_unlock_bh_state(bh);
 
@@ -944,6 +950,47 @@
 }
 
 /**
+ * void jbd2_journal_set_triggers() - Add triggers for commit writeout
+ * @bh: buffer to trigger on
+ * @type: struct jbd2_buffer_trigger_type containing the trigger(s).
+ *
+ * Set any triggers on this journal_head.  This is always safe, because
+ * triggers for a committing buffer will be saved off, and triggers for
+ * a running transaction will match the buffer in that transaction.
+ *
+ * Call with NULL to clear the triggers.
+ */
+void jbd2_journal_set_triggers(struct buffer_head *bh,
+			       struct jbd2_buffer_trigger_type *type)
+{
+	struct journal_head *jh = bh2jh(bh);
+
+	jh->b_triggers = type;
+}
+
+void jbd2_buffer_commit_trigger(struct journal_head *jh, void *mapped_data,
+				struct jbd2_buffer_trigger_type *triggers)
+{
+	struct buffer_head *bh = jh2bh(jh);
+
+	if (!triggers || !triggers->t_commit)
+		return;
+
+	triggers->t_commit(triggers, bh, mapped_data, bh->b_size);
+}
+
+void jbd2_buffer_abort_trigger(struct journal_head *jh,
+			       struct jbd2_buffer_trigger_type *triggers)
+{
+	if (!triggers || !triggers->t_abort)
+		return;
+
+	triggers->t_abort(triggers, jh2bh(jh));
+}
+
+
+
+/**
  * int jbd2_journal_dirty_metadata() -  mark a buffer as containing dirty metadata
  * @handle: transaction to add buffer to.
  * @bh: buffer to mark
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 5a98aa8..5edc2bf 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -132,7 +132,7 @@
 	uint32_t pageofs = index << PAGE_CACHE_SHIFT;
 	int ret = 0;
 
-	pg = __grab_cache_page(mapping, index);
+	pg = grab_cache_page_write_begin(mapping, index, flags);
 	if (!pg)
 		return -ENOMEM;
 	*pagep = pg;
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index d6363d8..0f94381 100644
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -58,9 +58,9 @@
 
 /*
  * __mark_inode_dirty expects inodes to be hashed.  Since we don't want
- * special inodes in the fileset inode space, we hash them to a dummy head
+ * special inodes in the fileset inode space, we make them appear hashed,
+ * but do not put on any lists.
  */
-static HLIST_HEAD(aggregate_hash);
 
 /*
  * imap locks
@@ -496,7 +496,11 @@
 	/* release the page */
 	release_metapage(mp);
 
-	hlist_add_head(&ip->i_hash, &aggregate_hash);
+	/*
+	 * that will look hashed, but won't be on any list; hlist_del()
+	 * will work fine and require no locking.
+	 */
+	ip->i_hash.pprev = &ip->i_hash.next;
 
 	return (ip);
 }
diff --git a/fs/libfs.c b/fs/libfs.c
index e960a83..49b4409 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -231,7 +231,6 @@
 	 */
 	root->i_ino = 1;
 	root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR;
-	root->i_uid = root->i_gid = 0;
 	root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME;
 	dentry = d_alloc(NULL, &d_name);
 	if (!dentry) {
@@ -360,7 +359,7 @@
 	index = pos >> PAGE_CACHE_SHIFT;
 	from = pos & (PAGE_CACHE_SIZE - 1);
 
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page)
 		return -ENOMEM;
 
@@ -436,8 +435,6 @@
 	 */
 	inode->i_ino = 1;
 	inode->i_mode = S_IFDIR | 0755;
-	inode->i_uid = inode->i_gid = 0;
-	inode->i_blocks = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	inode->i_op = &simple_dir_inode_operations;
 	inode->i_fop = &simple_dir_operations;
@@ -464,8 +461,6 @@
 		if (!inode)
 			goto out;
 		inode->i_mode = S_IFREG | files->mode;
-		inode->i_uid = inode->i_gid = 0;
-		inode->i_blocks = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 		inode->i_fop = files->ops;
 		inode->i_ino = i;
diff --git a/fs/namei.c b/fs/namei.c
index dd5c9f0..f05bed2 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -257,7 +257,7 @@
 			return -EACCES;
 	}
 
-	if (inode->i_op && inode->i_op->permission)
+	if (inode->i_op->permission)
 		retval = inode->i_op->permission(inode, mask);
 	else
 		retval = generic_permission(inode, mask, NULL);
@@ -432,7 +432,7 @@
 {
 	umode_t	mode = inode->i_mode;
 
-	if (inode->i_op && inode->i_op->permission)
+	if (inode->i_op->permission)
 		return -EAGAIN;
 
 	if (current_fsuid() == inode->i_uid)
@@ -908,9 +908,6 @@
 		inode = next.dentry->d_inode;
 		if (!inode)
 			goto out_dput;
-		err = -ENOTDIR; 
-		if (!inode->i_op)
-			goto out_dput;
 
 		if (inode->i_op->follow_link) {
 			err = do_follow_link(&next, nd);
@@ -920,9 +917,6 @@
 			inode = nd->path.dentry->d_inode;
 			if (!inode)
 				break;
-			err = -ENOTDIR; 
-			if (!inode->i_op)
-				break;
 		} else
 			path_to_nameidata(&next, nd);
 		err = -ENOTDIR; 
@@ -961,7 +955,7 @@
 			break;
 		inode = next.dentry->d_inode;
 		if ((lookup_flags & LOOKUP_FOLLOW)
-		    && inode && inode->i_op && inode->i_op->follow_link) {
+		    && inode && inode->i_op->follow_link) {
 			err = do_follow_link(&next, nd);
 			if (err)
 				goto return_err;
@@ -973,7 +967,7 @@
 			break;
 		if (lookup_flags & LOOKUP_DIRECTORY) {
 			err = -ENOTDIR; 
-			if (!inode->i_op || !inode->i_op->lookup)
+			if (!inode->i_op->lookup)
 				break;
 		}
 		goto return_base;
@@ -1469,7 +1463,7 @@
 	if (error)
 		return error;
 
-	if (!dir->i_op || !dir->i_op->create)
+	if (!dir->i_op->create)
 		return -EACCES;	/* shouldn't it be ENOSYS? */
 	mode &= S_IALLUGO;
 	mode |= S_IFREG;
@@ -1752,7 +1746,7 @@
 	error = -ENOENT;
 	if (!path.dentry->d_inode)
 		goto exit_dput;
-	if (path.dentry->d_inode->i_op && path.dentry->d_inode->i_op->follow_link)
+	if (path.dentry->d_inode->i_op->follow_link)
 		goto do_link;
 
 	path_to_nameidata(&path, &nd);
@@ -1933,7 +1927,7 @@
 	if ((S_ISCHR(mode) || S_ISBLK(mode)) && !capable(CAP_MKNOD))
 		return -EPERM;
 
-	if (!dir->i_op || !dir->i_op->mknod)
+	if (!dir->i_op->mknod)
 		return -EPERM;
 
 	error = devcgroup_inode_mknod(mode, dev);
@@ -2035,7 +2029,7 @@
 	if (error)
 		return error;
 
-	if (!dir->i_op || !dir->i_op->mkdir)
+	if (!dir->i_op->mkdir)
 		return -EPERM;
 
 	mode &= (S_IRWXUGO|S_ISVTX);
@@ -2126,7 +2120,7 @@
 	if (error)
 		return error;
 
-	if (!dir->i_op || !dir->i_op->rmdir)
+	if (!dir->i_op->rmdir)
 		return -EPERM;
 
 	DQUOT_INIT(dir);
@@ -2213,7 +2207,7 @@
 	if (error)
 		return error;
 
-	if (!dir->i_op || !dir->i_op->unlink)
+	if (!dir->i_op->unlink)
 		return -EPERM;
 
 	DQUOT_INIT(dir);
@@ -2320,7 +2314,7 @@
 	if (error)
 		return error;
 
-	if (!dir->i_op || !dir->i_op->symlink)
+	if (!dir->i_op->symlink)
 		return -EPERM;
 
 	error = security_inode_symlink(dir, dentry, oldname);
@@ -2401,7 +2395,7 @@
 	 */
 	if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
 		return -EPERM;
-	if (!dir->i_op || !dir->i_op->link)
+	if (!dir->i_op->link)
 		return -EPERM;
 	if (S_ISDIR(inode->i_mode))
 		return -EPERM;
@@ -2608,7 +2602,7 @@
 	if (error)
 		return error;
 
-	if (!old_dir->i_op || !old_dir->i_op->rename)
+	if (!old_dir->i_op->rename)
 		return -EPERM;
 
 	DQUOT_INIT(old_dir);
@@ -2817,18 +2811,23 @@
 	}
 }
 
-int __page_symlink(struct inode *inode, const char *symname, int len,
-		gfp_t gfp_mask)
+/*
+ * The nofs argument instructs pagecache_write_begin to pass AOP_FLAG_NOFS
+ */
+int __page_symlink(struct inode *inode, const char *symname, int len, int nofs)
 {
 	struct address_space *mapping = inode->i_mapping;
 	struct page *page;
 	void *fsdata;
 	int err;
 	char *kaddr;
+	unsigned int flags = AOP_FLAG_UNINTERRUPTIBLE;
+	if (nofs)
+		flags |= AOP_FLAG_NOFS;
 
 retry:
 	err = pagecache_write_begin(NULL, mapping, 0, len-1,
-				AOP_FLAG_UNINTERRUPTIBLE, &page, &fsdata);
+				flags, &page, &fsdata);
 	if (err)
 		goto fail;
 
@@ -2852,7 +2851,7 @@
 int page_symlink(struct inode *inode, const char *symname, int len)
 {
 	return __page_symlink(inode, symname, len,
-			mapping_gfp_mask(inode->i_mapping));
+			!(mapping_gfp_mask(inode->i_mapping) & __GFP_FS));
 }
 
 const struct inode_operations page_symlink_inode_operations = {
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index d319b49..90f292b 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -354,7 +354,7 @@
 		file->f_path.dentry->d_name.name,
 		mapping->host->i_ino, len, (long long) pos);
 
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page)
 		return -ENOMEM;
 	*pagep = page;
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index d1c5f78..44aa92a 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -744,45 +744,16 @@
 	fput(filp);
 }
 
-/*
- * Sync a file
- * As this calls fsync (not fdatasync) there is no need for a write_inode
- * after it.
- */
-static inline int nfsd_dosync(struct file *filp, struct dentry *dp,
-			      const struct file_operations *fop)
-{
-	struct inode *inode = dp->d_inode;
-	int (*fsync) (struct file *, struct dentry *, int);
-	int err;
-
-	err = filemap_fdatawrite(inode->i_mapping);
-	if (err == 0 && fop && (fsync = fop->fsync))
-		err = fsync(filp, dp, 0);
-	if (err == 0)
-		err = filemap_fdatawait(inode->i_mapping);
-
-	return err;
-}
-	
-
 static int
 nfsd_sync(struct file *filp)
 {
-        int err;
-	struct inode *inode = filp->f_path.dentry->d_inode;
-	dprintk("nfsd: sync file %s\n", filp->f_path.dentry->d_name.name);
-	mutex_lock(&inode->i_mutex);
-	err=nfsd_dosync(filp, filp->f_path.dentry, filp->f_op);
-	mutex_unlock(&inode->i_mutex);
-
-	return err;
+	return vfs_fsync(filp, filp->f_path.dentry, 0);
 }
 
 int
-nfsd_sync_dir(struct dentry *dp)
+nfsd_sync_dir(struct dentry *dentry)
 {
-	return nfsd_dosync(NULL, dp, dp->d_inode->i_fop);
+	return vfs_fsync(NULL, dentry, 0);
 }
 
 /*
@@ -1211,7 +1182,7 @@
 	dirp = dentry->d_inode;
 
 	err = nfserr_notdir;
-	if(!dirp->i_op || !dirp->i_op->lookup)
+	if (!dirp->i_op->lookup)
 		goto out;
 	/*
 	 * Check whether the response file handle has been verified yet.
@@ -1347,7 +1318,7 @@
 	/* Get all the sanity checks out of the way before
 	 * we lock the parent. */
 	err = nfserr_notdir;
-	if(!dirp->i_op || !dirp->i_op->lookup)
+	if (!dirp->i_op->lookup)
 		goto out;
 	fh_lock_nested(fhp, I_MUTEX_PARENT);
 
@@ -1482,7 +1453,7 @@
 	inode = dentry->d_inode;
 
 	err = nfserr_inval;
-	if (!inode->i_op || !inode->i_op->readlink)
+	if (!inode->i_op->readlink)
 		goto out;
 
 	touch_atime(fhp->fh_export->ex_path.mnt, dentry);
@@ -2162,7 +2133,7 @@
 	size_t size;
 	int error;
 
-	if (!IS_POSIXACL(inode) || !inode->i_op ||
+	if (!IS_POSIXACL(inode) ||
 	    !inode->i_op->setxattr || !inode->i_op->removexattr)
 		return -EOPNOTSUPP;
 	switch(type) {
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 400f806..81b8644 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -704,7 +704,7 @@
 	return ret;
 }
 
-asmlinkage long sys_inotify_rm_watch(int fd, u32 wd)
+asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd)
 {
 	struct file *filp;
 	struct inotify_device *dev;
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index e9da092..86bef15 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -1406,9 +1406,6 @@
 		ni->allocated_size = sle64_to_cpu(
 				a->data.non_resident.allocated_size);
 	}
-	/* Setup the operations for this attribute inode. */
-	vi->i_op = NULL;
-	vi->i_fop = NULL;
 	if (NInoMstProtected(ni))
 		vi->i_mapping->a_ops = &ntfs_mst_aops;
 	else
diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile
index 589dcdf..0159607 100644
--- a/fs/ocfs2/Makefile
+++ b/fs/ocfs2/Makefile
@@ -12,6 +12,7 @@
 ocfs2-objs := \
 	alloc.o 		\
 	aops.o 			\
+	blockcheck.o		\
 	buffer_head_io.o	\
 	dcache.o 		\
 	dir.o 			\
@@ -35,8 +36,14 @@
 	sysfile.o 		\
 	uptodate.o		\
 	ver.o			\
+	quota_local.o		\
+	quota_global.o		\
 	xattr.o
 
+ifeq ($(CONFIG_OCFS2_FS_POSIX_ACL),y)
+ocfs2-objs += acl.o
+endif
+
 ocfs2_stackglue-objs := stackglue.o
 ocfs2_stack_o2cb-objs := stack_o2cb.o
 ocfs2_stack_user-objs := stack_user.o
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
new file mode 100644
index 0000000..12dfb44
--- /dev/null
+++ b/fs/ocfs2/acl.c
@@ -0,0 +1,479 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * acl.c
+ *
+ * Copyright (C) 2004, 2008 Oracle.  All rights reserved.
+ *
+ * CREDITS:
+ * Lots of code in this file is copy from linux/fs/ext3/acl.c.
+ * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/string.h>
+
+#define MLOG_MASK_PREFIX ML_INODE
+#include <cluster/masklog.h>
+
+#include "ocfs2.h"
+#include "alloc.h"
+#include "dlmglue.h"
+#include "file.h"
+#include "ocfs2_fs.h"
+
+#include "xattr.h"
+#include "acl.h"
+
+/*
+ * Convert from xattr value to acl struct.
+ */
+static struct posix_acl *ocfs2_acl_from_xattr(const void *value, size_t size)
+{
+	int n, count;
+	struct posix_acl *acl;
+
+	if (!value)
+		return NULL;
+	if (size < sizeof(struct posix_acl_entry))
+		return ERR_PTR(-EINVAL);
+
+	count = size / sizeof(struct posix_acl_entry);
+	if (count < 0)
+		return ERR_PTR(-EINVAL);
+	if (count == 0)
+		return NULL;
+
+	acl = posix_acl_alloc(count, GFP_NOFS);
+	if (!acl)
+		return ERR_PTR(-ENOMEM);
+	for (n = 0; n < count; n++) {
+		struct ocfs2_acl_entry *entry =
+			(struct ocfs2_acl_entry *)value;
+
+		acl->a_entries[n].e_tag  = le16_to_cpu(entry->e_tag);
+		acl->a_entries[n].e_perm = le16_to_cpu(entry->e_perm);
+		acl->a_entries[n].e_id   = le32_to_cpu(entry->e_id);
+		value += sizeof(struct posix_acl_entry);
+
+	}
+	return acl;
+}
+
+/*
+ * Convert acl struct to xattr value.
+ */
+static void *ocfs2_acl_to_xattr(const struct posix_acl *acl, size_t *size)
+{
+	struct ocfs2_acl_entry *entry = NULL;
+	char *ocfs2_acl;
+	size_t n;
+
+	*size = acl->a_count * sizeof(struct posix_acl_entry);
+
+	ocfs2_acl = kmalloc(*size, GFP_NOFS);
+	if (!ocfs2_acl)
+		return ERR_PTR(-ENOMEM);
+
+	entry = (struct ocfs2_acl_entry *)ocfs2_acl;
+	for (n = 0; n < acl->a_count; n++, entry++) {
+		entry->e_tag  = cpu_to_le16(acl->a_entries[n].e_tag);
+		entry->e_perm = cpu_to_le16(acl->a_entries[n].e_perm);
+		entry->e_id   = cpu_to_le32(acl->a_entries[n].e_id);
+	}
+	return ocfs2_acl;
+}
+
+static struct posix_acl *ocfs2_get_acl_nolock(struct inode *inode,
+					      int type,
+					      struct buffer_head *di_bh)
+{
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	int name_index;
+	char *value = NULL;
+	struct posix_acl *acl;
+	int retval;
+
+	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
+		return NULL;
+
+	switch (type) {
+	case ACL_TYPE_ACCESS:
+		name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS;
+		break;
+	case ACL_TYPE_DEFAULT:
+		name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT;
+		break;
+	default:
+		return ERR_PTR(-EINVAL);
+	}
+
+	retval = ocfs2_xattr_get_nolock(inode, di_bh, name_index, "", NULL, 0);
+	if (retval > 0) {
+		value = kmalloc(retval, GFP_NOFS);
+		if (!value)
+			return ERR_PTR(-ENOMEM);
+		retval = ocfs2_xattr_get_nolock(inode, di_bh, name_index,
+						"", value, retval);
+	}
+
+	if (retval > 0)
+		acl = ocfs2_acl_from_xattr(value, retval);
+	else if (retval == -ENODATA || retval == 0)
+		acl = NULL;
+	else
+		acl = ERR_PTR(retval);
+
+	kfree(value);
+
+	return acl;
+}
+
+
+/*
+ * Get posix acl.
+ */
+static struct posix_acl *ocfs2_get_acl(struct inode *inode, int type)
+{
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	struct buffer_head *di_bh = NULL;
+	struct posix_acl *acl;
+	int ret;
+
+	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
+		return NULL;
+
+	ret = ocfs2_inode_lock(inode, &di_bh, 0);
+	if (ret < 0) {
+		mlog_errno(ret);
+		acl = ERR_PTR(ret);
+		return acl;
+	}
+
+	acl = ocfs2_get_acl_nolock(inode, type, di_bh);
+
+	ocfs2_inode_unlock(inode, 0);
+
+	brelse(di_bh);
+
+	return acl;
+}
+
+/*
+ * Set the access or default ACL of an inode.
+ */
+static int ocfs2_set_acl(handle_t *handle,
+			 struct inode *inode,
+			 struct buffer_head *di_bh,
+			 int type,
+			 struct posix_acl *acl,
+			 struct ocfs2_alloc_context *meta_ac,
+			 struct ocfs2_alloc_context *data_ac)
+{
+	int name_index;
+	void *value = NULL;
+	size_t size = 0;
+	int ret;
+
+	if (S_ISLNK(inode->i_mode))
+		return -EOPNOTSUPP;
+
+	switch (type) {
+	case ACL_TYPE_ACCESS:
+		name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS;
+		if (acl) {
+			mode_t mode = inode->i_mode;
+			ret = posix_acl_equiv_mode(acl, &mode);
+			if (ret < 0)
+				return ret;
+			else {
+				inode->i_mode = mode;
+				if (ret == 0)
+					acl = NULL;
+			}
+		}
+		break;
+	case ACL_TYPE_DEFAULT:
+		name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT;
+		if (!S_ISDIR(inode->i_mode))
+			return acl ? -EACCES : 0;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (acl) {
+		value = ocfs2_acl_to_xattr(acl, &size);
+		if (IS_ERR(value))
+			return (int)PTR_ERR(value);
+	}
+
+	if (handle)
+		ret = ocfs2_xattr_set_handle(handle, inode, di_bh, name_index,
+					     "", value, size, 0,
+					     meta_ac, data_ac);
+	else
+		ret = ocfs2_xattr_set(inode, name_index, "", value, size, 0);
+
+	kfree(value);
+
+	return ret;
+}
+
+int ocfs2_check_acl(struct inode *inode, int mask)
+{
+	struct posix_acl *acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS);
+
+	if (IS_ERR(acl))
+		return PTR_ERR(acl);
+	if (acl) {
+		int ret = posix_acl_permission(inode, acl, mask);
+		posix_acl_release(acl);
+		return ret;
+	}
+
+	return -EAGAIN;
+}
+
+int ocfs2_acl_chmod(struct inode *inode)
+{
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	struct posix_acl *acl, *clone;
+	int ret;
+
+	if (S_ISLNK(inode->i_mode))
+		return -EOPNOTSUPP;
+
+	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
+		return 0;
+
+	acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS);
+	if (IS_ERR(acl) || !acl)
+		return PTR_ERR(acl);
+	clone = posix_acl_clone(acl, GFP_KERNEL);
+	posix_acl_release(acl);
+	if (!clone)
+		return -ENOMEM;
+	ret = posix_acl_chmod_masq(clone, inode->i_mode);
+	if (!ret)
+		ret = ocfs2_set_acl(NULL, inode, NULL, ACL_TYPE_ACCESS,
+				    clone, NULL, NULL);
+	posix_acl_release(clone);
+	return ret;
+}
+
+/*
+ * Initialize the ACLs of a new inode. If parent directory has default ACL,
+ * then clone to new inode. Called from ocfs2_mknod.
+ */
+int ocfs2_init_acl(handle_t *handle,
+		   struct inode *inode,
+		   struct inode *dir,
+		   struct buffer_head *di_bh,
+		   struct buffer_head *dir_bh,
+		   struct ocfs2_alloc_context *meta_ac,
+		   struct ocfs2_alloc_context *data_ac)
+{
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	struct posix_acl *acl = NULL;
+	int ret = 0;
+
+	if (!S_ISLNK(inode->i_mode)) {
+		if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) {
+			acl = ocfs2_get_acl_nolock(dir, ACL_TYPE_DEFAULT,
+						   dir_bh);
+			if (IS_ERR(acl))
+				return PTR_ERR(acl);
+		}
+		if (!acl)
+			inode->i_mode &= ~current->fs->umask;
+	}
+	if ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) && acl) {
+		struct posix_acl *clone;
+		mode_t mode;
+
+		if (S_ISDIR(inode->i_mode)) {
+			ret = ocfs2_set_acl(handle, inode, di_bh,
+					    ACL_TYPE_DEFAULT, acl,
+					    meta_ac, data_ac);
+			if (ret)
+				goto cleanup;
+		}
+		clone = posix_acl_clone(acl, GFP_NOFS);
+		ret = -ENOMEM;
+		if (!clone)
+			goto cleanup;
+
+		mode = inode->i_mode;
+		ret = posix_acl_create_masq(clone, &mode);
+		if (ret >= 0) {
+			inode->i_mode = mode;
+			if (ret > 0) {
+				ret = ocfs2_set_acl(handle, inode,
+						    di_bh, ACL_TYPE_ACCESS,
+						    clone, meta_ac, data_ac);
+			}
+		}
+		posix_acl_release(clone);
+	}
+cleanup:
+	posix_acl_release(acl);
+	return ret;
+}
+
+static size_t ocfs2_xattr_list_acl_access(struct inode *inode,
+					  char *list,
+					  size_t list_len,
+					  const char *name,
+					  size_t name_len)
+{
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS);
+
+	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
+		return 0;
+
+	if (list && size <= list_len)
+		memcpy(list, POSIX_ACL_XATTR_ACCESS, size);
+	return size;
+}
+
+static size_t ocfs2_xattr_list_acl_default(struct inode *inode,
+					   char *list,
+					   size_t list_len,
+					   const char *name,
+					   size_t name_len)
+{
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT);
+
+	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
+		return 0;
+
+	if (list && size <= list_len)
+		memcpy(list, POSIX_ACL_XATTR_DEFAULT, size);
+	return size;
+}
+
+static int ocfs2_xattr_get_acl(struct inode *inode,
+			       int type,
+			       void *buffer,
+			       size_t size)
+{
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	struct posix_acl *acl;
+	int ret;
+
+	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
+		return -EOPNOTSUPP;
+
+	acl = ocfs2_get_acl(inode, type);
+	if (IS_ERR(acl))
+		return PTR_ERR(acl);
+	if (acl == NULL)
+		return -ENODATA;
+	ret = posix_acl_to_xattr(acl, buffer, size);
+	posix_acl_release(acl);
+
+	return ret;
+}
+
+static int ocfs2_xattr_get_acl_access(struct inode *inode,
+				      const char *name,
+				      void *buffer,
+				      size_t size)
+{
+	if (strcmp(name, "") != 0)
+		return -EINVAL;
+	return ocfs2_xattr_get_acl(inode, ACL_TYPE_ACCESS, buffer, size);
+}
+
+static int ocfs2_xattr_get_acl_default(struct inode *inode,
+				       const char *name,
+				       void *buffer,
+				       size_t size)
+{
+	if (strcmp(name, "") != 0)
+		return -EINVAL;
+	return ocfs2_xattr_get_acl(inode, ACL_TYPE_DEFAULT, buffer, size);
+}
+
+static int ocfs2_xattr_set_acl(struct inode *inode,
+			       int type,
+			       const void *value,
+			       size_t size)
+{
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	struct posix_acl *acl;
+	int ret = 0;
+
+	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
+		return -EOPNOTSUPP;
+
+	if (!is_owner_or_cap(inode))
+		return -EPERM;
+
+	if (value) {
+		acl = posix_acl_from_xattr(value, size);
+		if (IS_ERR(acl))
+			return PTR_ERR(acl);
+		else if (acl) {
+			ret = posix_acl_valid(acl);
+			if (ret)
+				goto cleanup;
+		}
+	} else
+		acl = NULL;
+
+	ret = ocfs2_set_acl(NULL, inode, NULL, type, acl, NULL, NULL);
+
+cleanup:
+	posix_acl_release(acl);
+	return ret;
+}
+
+static int ocfs2_xattr_set_acl_access(struct inode *inode,
+				      const char *name,
+				      const void *value,
+				      size_t size,
+				      int flags)
+{
+	if (strcmp(name, "") != 0)
+		return -EINVAL;
+	return ocfs2_xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size);
+}
+
+static int ocfs2_xattr_set_acl_default(struct inode *inode,
+				       const char *name,
+				       const void *value,
+				       size_t size,
+				       int flags)
+{
+	if (strcmp(name, "") != 0)
+		return -EINVAL;
+	return ocfs2_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size);
+}
+
+struct xattr_handler ocfs2_xattr_acl_access_handler = {
+	.prefix	= POSIX_ACL_XATTR_ACCESS,
+	.list	= ocfs2_xattr_list_acl_access,
+	.get	= ocfs2_xattr_get_acl_access,
+	.set	= ocfs2_xattr_set_acl_access,
+};
+
+struct xattr_handler ocfs2_xattr_acl_default_handler = {
+	.prefix	= POSIX_ACL_XATTR_DEFAULT,
+	.list	= ocfs2_xattr_list_acl_default,
+	.get	= ocfs2_xattr_get_acl_default,
+	.set	= ocfs2_xattr_set_acl_default,
+};
diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h
new file mode 100644
index 0000000..8f6389e
--- /dev/null
+++ b/fs/ocfs2/acl.h
@@ -0,0 +1,58 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * acl.h
+ *
+ * Copyright (C) 2004, 2008 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef OCFS2_ACL_H
+#define OCFS2_ACL_H
+
+#include <linux/posix_acl_xattr.h>
+
+struct ocfs2_acl_entry {
+	__le16 e_tag;
+	__le16 e_perm;
+	__le32 e_id;
+};
+
+#ifdef CONFIG_OCFS2_FS_POSIX_ACL
+
+extern int ocfs2_check_acl(struct inode *, int);
+extern int ocfs2_acl_chmod(struct inode *);
+extern int ocfs2_init_acl(handle_t *, struct inode *, struct inode *,
+			  struct buffer_head *, struct buffer_head *,
+			  struct ocfs2_alloc_context *,
+			  struct ocfs2_alloc_context *);
+
+#else /* CONFIG_OCFS2_FS_POSIX_ACL*/
+
+#define ocfs2_check_acl NULL
+static inline int ocfs2_acl_chmod(struct inode *inode)
+{
+	return 0;
+}
+static inline int ocfs2_init_acl(handle_t *handle,
+				 struct inode *inode,
+				 struct inode *dir,
+				 struct buffer_head *di_bh,
+				 struct buffer_head *dir_bh,
+				 struct ocfs2_alloc_context *meta_ac,
+				 struct ocfs2_alloc_context *data_ac)
+{
+	return 0;
+}
+
+#endif /* CONFIG_OCFS2_FS_POSIX_ACL*/
+
+#endif /* OCFS2_ACL_H */
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 0cc2deb..54ff4c77 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -28,6 +28,7 @@
 #include <linux/slab.h>
 #include <linux/highmem.h>
 #include <linux/swap.h>
+#include <linux/quotaops.h>
 
 #define MLOG_MASK_PREFIX ML_DISK_ALLOC
 #include <cluster/masklog.h>
@@ -36,6 +37,7 @@
 
 #include "alloc.h"
 #include "aops.h"
+#include "blockcheck.h"
 #include "dlmglue.h"
 #include "extent_map.h"
 #include "inode.h"
@@ -46,6 +48,7 @@
 #include "file.h"
 #include "super.h"
 #include "uptodate.h"
+#include "xattr.h"
 
 #include "buffer_head_io.h"
 
@@ -187,20 +190,12 @@
 static int ocfs2_dinode_sanity_check(struct inode *inode,
 				     struct ocfs2_extent_tree *et)
 {
-	int ret = 0;
-	struct ocfs2_dinode *di;
+	struct ocfs2_dinode *di = et->et_object;
 
 	BUG_ON(et->et_ops != &ocfs2_dinode_et_ops);
+	BUG_ON(!OCFS2_IS_VALID_DINODE(di));
 
-	di = et->et_object;
-	if (!OCFS2_IS_VALID_DINODE(di)) {
-		ret = -EIO;
-		ocfs2_error(inode->i_sb,
-			"Inode %llu has invalid path root",
-			(unsigned long long)OCFS2_I(inode)->ip_blkno);
-	}
-
-	return ret;
+	return 0;
 }
 
 static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et)
@@ -213,36 +208,33 @@
 
 static void ocfs2_xattr_value_fill_root_el(struct ocfs2_extent_tree *et)
 {
-	struct ocfs2_xattr_value_root *xv = et->et_object;
+	struct ocfs2_xattr_value_buf *vb = et->et_object;
 
-	et->et_root_el = &xv->xr_list;
+	et->et_root_el = &vb->vb_xv->xr_list;
 }
 
 static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et,
 					      u64 blkno)
 {
-	struct ocfs2_xattr_value_root *xv =
-		(struct ocfs2_xattr_value_root *)et->et_object;
+	struct ocfs2_xattr_value_buf *vb = et->et_object;
 
-	xv->xr_last_eb_blk = cpu_to_le64(blkno);
+	vb->vb_xv->xr_last_eb_blk = cpu_to_le64(blkno);
 }
 
 static u64 ocfs2_xattr_value_get_last_eb_blk(struct ocfs2_extent_tree *et)
 {
-	struct ocfs2_xattr_value_root *xv =
-		(struct ocfs2_xattr_value_root *) et->et_object;
+	struct ocfs2_xattr_value_buf *vb = et->et_object;
 
-	return le64_to_cpu(xv->xr_last_eb_blk);
+	return le64_to_cpu(vb->vb_xv->xr_last_eb_blk);
 }
 
 static void ocfs2_xattr_value_update_clusters(struct inode *inode,
 					      struct ocfs2_extent_tree *et,
 					      u32 clusters)
 {
-	struct ocfs2_xattr_value_root *xv =
-		(struct ocfs2_xattr_value_root *)et->et_object;
+	struct ocfs2_xattr_value_buf *vb = et->et_object;
 
-	le32_add_cpu(&xv->xr_clusters, clusters);
+	le32_add_cpu(&vb->vb_xv->xr_clusters, clusters);
 }
 
 static struct ocfs2_extent_tree_operations ocfs2_xattr_value_et_ops = {
@@ -304,11 +296,13 @@
 static void __ocfs2_init_extent_tree(struct ocfs2_extent_tree *et,
 				     struct inode *inode,
 				     struct buffer_head *bh,
+				     ocfs2_journal_access_func access,
 				     void *obj,
 				     struct ocfs2_extent_tree_operations *ops)
 {
 	et->et_ops = ops;
 	et->et_root_bh = bh;
+	et->et_root_journal_access = access;
 	if (!obj)
 		obj = (void *)bh->b_data;
 	et->et_object = obj;
@@ -324,23 +318,23 @@
 				   struct inode *inode,
 				   struct buffer_head *bh)
 {
-	__ocfs2_init_extent_tree(et, inode, bh, NULL, &ocfs2_dinode_et_ops);
+	__ocfs2_init_extent_tree(et, inode, bh, ocfs2_journal_access_di,
+				 NULL, &ocfs2_dinode_et_ops);
 }
 
 void ocfs2_init_xattr_tree_extent_tree(struct ocfs2_extent_tree *et,
 				       struct inode *inode,
 				       struct buffer_head *bh)
 {
-	__ocfs2_init_extent_tree(et, inode, bh, NULL,
-				 &ocfs2_xattr_tree_et_ops);
+	__ocfs2_init_extent_tree(et, inode, bh, ocfs2_journal_access_xb,
+				 NULL, &ocfs2_xattr_tree_et_ops);
 }
 
 void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et,
 					struct inode *inode,
-					struct buffer_head *bh,
-					struct ocfs2_xattr_value_root *xv)
+					struct ocfs2_xattr_value_buf *vb)
 {
-	__ocfs2_init_extent_tree(et, inode, bh, xv,
+	__ocfs2_init_extent_tree(et, inode, vb->vb_bh, vb->vb_access, vb,
 				 &ocfs2_xattr_value_et_ops);
 }
 
@@ -362,6 +356,15 @@
 	et->et_ops->eo_update_clusters(inode, et, clusters);
 }
 
+static inline int ocfs2_et_root_journal_access(handle_t *handle,
+					       struct inode *inode,
+					       struct ocfs2_extent_tree *et,
+					       int type)
+{
+	return et->et_root_journal_access(handle, inode, et->et_root_bh,
+					  type);
+}
+
 static inline int ocfs2_et_insert_check(struct inode *inode,
 					struct ocfs2_extent_tree *et,
 					struct ocfs2_extent_rec *rec)
@@ -402,12 +405,14 @@
 #define OCFS2_MAX_PATH_DEPTH	5
 
 struct ocfs2_path {
-	int			p_tree_depth;
-	struct ocfs2_path_item	p_node[OCFS2_MAX_PATH_DEPTH];
+	int				p_tree_depth;
+	ocfs2_journal_access_func	p_root_access;
+	struct ocfs2_path_item		p_node[OCFS2_MAX_PATH_DEPTH];
 };
 
 #define path_root_bh(_path) ((_path)->p_node[0].bh)
 #define path_root_el(_path) ((_path)->p_node[0].el)
+#define path_root_access(_path)((_path)->p_root_access)
 #define path_leaf_bh(_path) ((_path)->p_node[(_path)->p_tree_depth].bh)
 #define path_leaf_el(_path) ((_path)->p_node[(_path)->p_tree_depth].el)
 #define path_num_items(_path) ((_path)->p_tree_depth + 1)
@@ -440,6 +445,8 @@
 	 */
 	if (keep_root)
 		depth = le16_to_cpu(path_root_el(path)->l_tree_depth);
+	else
+		path_root_access(path) = NULL;
 
 	path->p_tree_depth = depth;
 }
@@ -465,6 +472,7 @@
 
 	BUG_ON(path_root_bh(dest) != path_root_bh(src));
 	BUG_ON(path_root_el(dest) != path_root_el(src));
+	BUG_ON(path_root_access(dest) != path_root_access(src));
 
 	ocfs2_reinit_path(dest, 1);
 
@@ -486,6 +494,7 @@
 	int i;
 
 	BUG_ON(path_root_bh(dest) != path_root_bh(src));
+	BUG_ON(path_root_access(dest) != path_root_access(src));
 
 	for(i = 1; i < OCFS2_MAX_PATH_DEPTH; i++) {
 		brelse(dest->p_node[i].bh);
@@ -521,7 +530,8 @@
 }
 
 static struct ocfs2_path *ocfs2_new_path(struct buffer_head *root_bh,
-					 struct ocfs2_extent_list *root_el)
+					 struct ocfs2_extent_list *root_el,
+					 ocfs2_journal_access_func access)
 {
 	struct ocfs2_path *path;
 
@@ -533,11 +543,48 @@
 		get_bh(root_bh);
 		path_root_bh(path) = root_bh;
 		path_root_el(path) = root_el;
+		path_root_access(path) = access;
 	}
 
 	return path;
 }
 
+static struct ocfs2_path *ocfs2_new_path_from_path(struct ocfs2_path *path)
+{
+	return ocfs2_new_path(path_root_bh(path), path_root_el(path),
+			      path_root_access(path));
+}
+
+static struct ocfs2_path *ocfs2_new_path_from_et(struct ocfs2_extent_tree *et)
+{
+	return ocfs2_new_path(et->et_root_bh, et->et_root_el,
+			      et->et_root_journal_access);
+}
+
+/*
+ * Journal the buffer at depth idx.  All idx>0 are extent_blocks,
+ * otherwise it's the root_access function.
+ *
+ * I don't like the way this function's name looks next to
+ * ocfs2_journal_access_path(), but I don't have a better one.
+ */
+static int ocfs2_path_bh_journal_access(handle_t *handle,
+					struct inode *inode,
+					struct ocfs2_path *path,
+					int idx)
+{
+	ocfs2_journal_access_func access = path_root_access(path);
+
+	if (!access)
+		access = ocfs2_journal_access;
+
+	if (idx)
+		access = ocfs2_journal_access_eb;
+
+	return access(handle, inode, path->p_node[idx].bh,
+		      OCFS2_JOURNAL_ACCESS_WRITE);
+}
+
 /*
  * Convenience function to journal all components in a path.
  */
@@ -550,8 +597,7 @@
 		goto out;
 
 	for(i = 0; i < path_num_items(path); i++) {
-		ret = ocfs2_journal_access(handle, inode, path->p_node[i].bh,
-					   OCFS2_JOURNAL_ACCESS_WRITE);
+		ret = ocfs2_path_bh_journal_access(handle, inode, path, i);
 		if (ret < 0) {
 			mlog_errno(ret);
 			goto out;
@@ -686,6 +732,80 @@
 	int			c_split_covers_rec;
 };
 
+static int ocfs2_validate_extent_block(struct super_block *sb,
+				       struct buffer_head *bh)
+{
+	int rc;
+	struct ocfs2_extent_block *eb =
+		(struct ocfs2_extent_block *)bh->b_data;
+
+	mlog(0, "Validating extent block %llu\n",
+	     (unsigned long long)bh->b_blocknr);
+
+	BUG_ON(!buffer_uptodate(bh));
+
+	/*
+	 * If the ecc fails, we return the error but otherwise
+	 * leave the filesystem running.  We know any error is
+	 * local to this block.
+	 */
+	rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &eb->h_check);
+	if (rc) {
+		mlog(ML_ERROR, "Checksum failed for extent block %llu\n",
+		     (unsigned long long)bh->b_blocknr);
+		return rc;
+	}
+
+	/*
+	 * Errors after here are fatal.
+	 */
+
+	if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) {
+		ocfs2_error(sb,
+			    "Extent block #%llu has bad signature %.*s",
+			    (unsigned long long)bh->b_blocknr, 7,
+			    eb->h_signature);
+		return -EINVAL;
+	}
+
+	if (le64_to_cpu(eb->h_blkno) != bh->b_blocknr) {
+		ocfs2_error(sb,
+			    "Extent block #%llu has an invalid h_blkno "
+			    "of %llu",
+			    (unsigned long long)bh->b_blocknr,
+			    (unsigned long long)le64_to_cpu(eb->h_blkno));
+		return -EINVAL;
+	}
+
+	if (le32_to_cpu(eb->h_fs_generation) != OCFS2_SB(sb)->fs_generation) {
+		ocfs2_error(sb,
+			    "Extent block #%llu has an invalid "
+			    "h_fs_generation of #%u",
+			    (unsigned long long)bh->b_blocknr,
+			    le32_to_cpu(eb->h_fs_generation));
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int ocfs2_read_extent_block(struct inode *inode, u64 eb_blkno,
+			    struct buffer_head **bh)
+{
+	int rc;
+	struct buffer_head *tmp = *bh;
+
+	rc = ocfs2_read_block(inode, eb_blkno, &tmp,
+			      ocfs2_validate_extent_block);
+
+	/* If ocfs2_read_block() got us a new bh, pass it up. */
+	if (!rc && !*bh)
+		*bh = tmp;
+
+	return rc;
+}
+
+
 /*
  * How many free extents have we got before we need more meta data?
  */
@@ -705,8 +825,7 @@
 	last_eb_blk = ocfs2_et_get_last_eb_blk(et);
 
 	if (last_eb_blk) {
-		retval = ocfs2_read_block(inode, last_eb_blk,
-					  &eb_bh);
+		retval = ocfs2_read_extent_block(inode, last_eb_blk, &eb_bh);
 		if (retval < 0) {
 			mlog_errno(retval);
 			goto bail;
@@ -768,8 +887,8 @@
 			}
 			ocfs2_set_new_buffer_uptodate(inode, bhs[i]);
 
-			status = ocfs2_journal_access(handle, inode, bhs[i],
-						      OCFS2_JOURNAL_ACCESS_CREATE);
+			status = ocfs2_journal_access_eb(handle, inode, bhs[i],
+							 OCFS2_JOURNAL_ACCESS_CREATE);
 			if (status < 0) {
 				mlog_errno(status);
 				goto bail;
@@ -908,15 +1027,12 @@
 	for(i = 0; i < new_blocks; i++) {
 		bh = new_eb_bhs[i];
 		eb = (struct ocfs2_extent_block *) bh->b_data;
-		if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) {
-			OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb);
-			status = -EIO;
-			goto bail;
-		}
+		/* ocfs2_create_new_meta_bhs() should create it right! */
+		BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb));
 		eb_el = &eb->h_list;
 
-		status = ocfs2_journal_access(handle, inode, bh,
-					      OCFS2_JOURNAL_ACCESS_CREATE);
+		status = ocfs2_journal_access_eb(handle, inode, bh,
+						 OCFS2_JOURNAL_ACCESS_CREATE);
 		if (status < 0) {
 			mlog_errno(status);
 			goto bail;
@@ -955,21 +1071,21 @@
 	 * journal_dirty erroring as it won't unless we've aborted the
 	 * handle (in which case we would never be here) so reserving
 	 * the write with journal_access is all we need to do. */
-	status = ocfs2_journal_access(handle, inode, *last_eb_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_eb(handle, inode, *last_eb_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
-	status = ocfs2_journal_access(handle, inode, et->et_root_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_et_root_journal_access(handle, inode, et,
+					      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 	if (eb_bh) {
-		status = ocfs2_journal_access(handle, inode, eb_bh,
-					      OCFS2_JOURNAL_ACCESS_WRITE);
+		status = ocfs2_journal_access_eb(handle, inode, eb_bh,
+						 OCFS2_JOURNAL_ACCESS_WRITE);
 		if (status < 0) {
 			mlog_errno(status);
 			goto bail;
@@ -1052,17 +1168,14 @@
 	}
 
 	eb = (struct ocfs2_extent_block *) new_eb_bh->b_data;
-	if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) {
-		OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb);
-		status = -EIO;
-		goto bail;
-	}
+	/* ocfs2_create_new_meta_bhs() should create it right! */
+	BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb));
 
 	eb_el = &eb->h_list;
 	root_el = et->et_root_el;
 
-	status = ocfs2_journal_access(handle, inode, new_eb_bh,
-				      OCFS2_JOURNAL_ACCESS_CREATE);
+	status = ocfs2_journal_access_eb(handle, inode, new_eb_bh,
+					 OCFS2_JOURNAL_ACCESS_CREATE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -1080,8 +1193,8 @@
 		goto bail;
 	}
 
-	status = ocfs2_journal_access(handle, inode, et->et_root_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_et_root_journal_access(handle, inode, et,
+					      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -1176,18 +1289,13 @@
 		brelse(bh);
 		bh = NULL;
 
-		status = ocfs2_read_block(inode, blkno, &bh);
+		status = ocfs2_read_extent_block(inode, blkno, &bh);
 		if (status < 0) {
 			mlog_errno(status);
 			goto bail;
 		}
 
 		eb = (struct ocfs2_extent_block *) bh->b_data;
-		if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) {
-			OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb);
-			status = -EIO;
-			goto bail;
-		}
 		el = &eb->h_list;
 
 		if (le16_to_cpu(el->l_next_free_rec) <
@@ -1540,7 +1648,7 @@
 
 		brelse(bh);
 		bh = NULL;
-		ret = ocfs2_read_block(inode, blkno, &bh);
+		ret = ocfs2_read_extent_block(inode, blkno, &bh);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -1548,11 +1656,6 @@
 
 		eb = (struct ocfs2_extent_block *) bh->b_data;
 		el = &eb->h_list;
-		if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) {
-			OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb);
-			ret = -EIO;
-			goto out;
-		}
 
 		if (le16_to_cpu(el->l_next_free_rec) >
 		    le16_to_cpu(el->l_count)) {
@@ -1860,25 +1963,23 @@
 	root_bh = left_path->p_node[subtree_index].bh;
 	BUG_ON(root_bh != right_path->p_node[subtree_index].bh);
 
-	ret = ocfs2_journal_access(handle, inode, root_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_path_bh_journal_access(handle, inode, right_path,
+					   subtree_index);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
 	for(i = subtree_index + 1; i < path_num_items(right_path); i++) {
-		ret = ocfs2_journal_access(handle, inode,
-					   right_path->p_node[i].bh,
-					   OCFS2_JOURNAL_ACCESS_WRITE);
+		ret = ocfs2_path_bh_journal_access(handle, inode,
+						   right_path, i);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
 		}
 
-		ret = ocfs2_journal_access(handle, inode,
-					   left_path->p_node[i].bh,
-					   OCFS2_JOURNAL_ACCESS_WRITE);
+		ret = ocfs2_path_bh_journal_access(handle, inode,
+						   left_path, i);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -2102,8 +2203,7 @@
 
 	*ret_left_path = NULL;
 
-	left_path = ocfs2_new_path(path_root_bh(right_path),
-				   path_root_el(right_path));
+	left_path = ocfs2_new_path_from_path(right_path);
 	if (!left_path) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
@@ -2398,9 +2498,9 @@
 			return -EAGAIN;
 
 		if (le16_to_cpu(right_leaf_el->l_next_free_rec) > 1) {
-			ret = ocfs2_journal_access(handle, inode,
-						   path_leaf_bh(right_path),
-						   OCFS2_JOURNAL_ACCESS_WRITE);
+			ret = ocfs2_journal_access_eb(handle, inode,
+						      path_leaf_bh(right_path),
+						      OCFS2_JOURNAL_ACCESS_WRITE);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;
@@ -2417,8 +2517,8 @@
 		 * We have to update i_last_eb_blk during the meta
 		 * data delete.
 		 */
-		ret = ocfs2_journal_access(handle, inode, et_root_bh,
-					   OCFS2_JOURNAL_ACCESS_WRITE);
+		ret = ocfs2_et_root_journal_access(handle, inode, et,
+						   OCFS2_JOURNAL_ACCESS_WRITE);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -2433,25 +2533,23 @@
 	 */
 	BUG_ON(right_has_empty && !del_right_subtree);
 
-	ret = ocfs2_journal_access(handle, inode, root_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_path_bh_journal_access(handle, inode, right_path,
+					   subtree_index);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
 	for(i = subtree_index + 1; i < path_num_items(right_path); i++) {
-		ret = ocfs2_journal_access(handle, inode,
-					   right_path->p_node[i].bh,
-					   OCFS2_JOURNAL_ACCESS_WRITE);
+		ret = ocfs2_path_bh_journal_access(handle, inode,
+						   right_path, i);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
 		}
 
-		ret = ocfs2_journal_access(handle, inode,
-					   left_path->p_node[i].bh,
-					   OCFS2_JOURNAL_ACCESS_WRITE);
+		ret = ocfs2_path_bh_journal_access(handle, inode,
+						   left_path, i);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -2596,16 +2694,17 @@
 
 static int ocfs2_rotate_rightmost_leaf_left(struct inode *inode,
 					    handle_t *handle,
-					    struct buffer_head *bh,
-					    struct ocfs2_extent_list *el)
+					    struct ocfs2_path *path)
 {
 	int ret;
+	struct buffer_head *bh = path_leaf_bh(path);
+	struct ocfs2_extent_list *el = path_leaf_el(path);
 
 	if (!ocfs2_is_empty_extent(&el->l_recs[0]))
 		return 0;
 
-	ret = ocfs2_journal_access(handle, inode, bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_path_bh_journal_access(handle, inode, path,
+					   path_num_items(path) - 1);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -2644,8 +2743,7 @@
 		goto out;
 	}
 
-	left_path = ocfs2_new_path(path_root_bh(path),
-				   path_root_el(path));
+	left_path = ocfs2_new_path_from_path(path);
 	if (!left_path) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
@@ -2654,8 +2752,7 @@
 
 	ocfs2_cp_path(left_path, path);
 
-	right_path = ocfs2_new_path(path_root_bh(path),
-				    path_root_el(path));
+	right_path = ocfs2_new_path_from_path(path);
 	if (!right_path) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
@@ -2689,9 +2786,8 @@
 		 * Caller might still want to make changes to the
 		 * tree root, so re-add it to the journal here.
 		 */
-		ret = ocfs2_journal_access(handle, inode,
-					   path_root_bh(left_path),
-					   OCFS2_JOURNAL_ACCESS_WRITE);
+		ret = ocfs2_path_bh_journal_access(handle, inode,
+						   left_path, 0);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -2785,8 +2881,7 @@
 		 * We have a path to the left of this one - it needs
 		 * an update too.
 		 */
-		left_path = ocfs2_new_path(path_root_bh(path),
-					   path_root_el(path));
+		left_path = ocfs2_new_path_from_path(path);
 		if (!left_path) {
 			ret = -ENOMEM;
 			mlog_errno(ret);
@@ -2875,8 +2970,7 @@
 		 * it up front.
 		 */
 		ret = ocfs2_rotate_rightmost_leaf_left(inode, handle,
-						       path_leaf_bh(path),
-						       path_leaf_el(path));
+						       path);
 		if (ret)
 			mlog_errno(ret);
 		goto out;
@@ -3027,8 +3121,7 @@
 	/* This function shouldn't be called for the rightmost leaf. */
 	BUG_ON(right_cpos == 0);
 
-	right_path = ocfs2_new_path(path_root_bh(left_path),
-				    path_root_el(left_path));
+	right_path = ocfs2_new_path_from_path(left_path);
 	if (!right_path) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
@@ -3111,8 +3204,8 @@
 		root_bh = left_path->p_node[subtree_index].bh;
 		BUG_ON(root_bh != right_path->p_node[subtree_index].bh);
 
-		ret = ocfs2_journal_access(handle, inode, root_bh,
-					   OCFS2_JOURNAL_ACCESS_WRITE);
+		ret = ocfs2_path_bh_journal_access(handle, inode, right_path,
+						   subtree_index);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -3120,17 +3213,15 @@
 
 		for (i = subtree_index + 1;
 		     i < path_num_items(right_path); i++) {
-			ret = ocfs2_journal_access(handle, inode,
-						   right_path->p_node[i].bh,
-						   OCFS2_JOURNAL_ACCESS_WRITE);
+			ret = ocfs2_path_bh_journal_access(handle, inode,
+							   right_path, i);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;
 			}
 
-			ret = ocfs2_journal_access(handle, inode,
-						   left_path->p_node[i].bh,
-						   OCFS2_JOURNAL_ACCESS_WRITE);
+			ret = ocfs2_path_bh_journal_access(handle, inode,
+							   left_path, i);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;
@@ -3142,8 +3233,8 @@
 		right_rec = &el->l_recs[index + 1];
 	}
 
-	ret = ocfs2_journal_access(handle, inode, bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_path_bh_journal_access(handle, inode, left_path,
+					   path_num_items(left_path) - 1);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -3199,8 +3290,7 @@
 	/* This function shouldn't be called for the leftmost leaf. */
 	BUG_ON(left_cpos == 0);
 
-	left_path = ocfs2_new_path(path_root_bh(right_path),
-				   path_root_el(right_path));
+	left_path = ocfs2_new_path_from_path(right_path);
 	if (!left_path) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
@@ -3283,8 +3373,8 @@
 		root_bh = left_path->p_node[subtree_index].bh;
 		BUG_ON(root_bh != right_path->p_node[subtree_index].bh);
 
-		ret = ocfs2_journal_access(handle, inode, root_bh,
-					   OCFS2_JOURNAL_ACCESS_WRITE);
+		ret = ocfs2_path_bh_journal_access(handle, inode, right_path,
+						   subtree_index);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -3292,17 +3382,15 @@
 
 		for (i = subtree_index + 1;
 		     i < path_num_items(right_path); i++) {
-			ret = ocfs2_journal_access(handle, inode,
-						   right_path->p_node[i].bh,
-						   OCFS2_JOURNAL_ACCESS_WRITE);
+			ret = ocfs2_path_bh_journal_access(handle, inode,
+							   right_path, i);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;
 			}
 
-			ret = ocfs2_journal_access(handle, inode,
-						   left_path->p_node[i].bh,
-						   OCFS2_JOURNAL_ACCESS_WRITE);
+			ret = ocfs2_path_bh_journal_access(handle, inode,
+							   left_path, i);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;
@@ -3314,8 +3402,8 @@
 			has_empty_extent = 1;
 	}
 
-	ret = ocfs2_journal_access(handle, inode, bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_path_bh_journal_access(handle, inode, right_path,
+					   path_num_items(right_path) - 1);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -3732,8 +3820,7 @@
 		 * leftmost leaf.
 		 */
 		if (left_cpos) {
-			left_path = ocfs2_new_path(path_root_bh(right_path),
-						   path_root_el(right_path));
+			left_path = ocfs2_new_path_from_path(right_path);
 			if (!left_path) {
 				ret = -ENOMEM;
 				mlog_errno(ret);
@@ -3958,8 +4045,8 @@
 
 	el = et->et_root_el;
 
-	ret = ocfs2_journal_access(handle, inode, et->et_root_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_et_root_journal_access(handle, inode, et,
+					   OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -3970,7 +4057,7 @@
 		goto out_update_clusters;
 	}
 
-	right_path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
+	right_path = ocfs2_new_path_from_et(et);
 	if (!right_path) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
@@ -4020,8 +4107,8 @@
 		 * ocfs2_rotate_tree_right() might have extended the
 		 * transaction without re-journaling our tree root.
 		 */
-		ret = ocfs2_journal_access(handle, inode, et->et_root_bh,
-					   OCFS2_JOURNAL_ACCESS_WRITE);
+		ret = ocfs2_et_root_journal_access(handle, inode, et,
+						   OCFS2_JOURNAL_ACCESS_WRITE);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -4082,8 +4169,7 @@
 			goto out;
 
 		if (left_cpos != 0) {
-			left_path = ocfs2_new_path(path_root_bh(path),
-						   path_root_el(path));
+			left_path = ocfs2_new_path_from_path(path);
 			if (!left_path)
 				goto out;
 
@@ -4097,8 +4183,15 @@
 			    le16_to_cpu(new_el->l_count)) {
 				bh = path_leaf_bh(left_path);
 				eb = (struct ocfs2_extent_block *)bh->b_data;
-				OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb,
-								 eb);
+				ocfs2_error(inode->i_sb,
+					    "Extent block #%llu has an "
+					    "invalid l_next_free_rec of "
+					    "%d.  It should have "
+					    "matched the l_count of %d",
+					    (unsigned long long)le64_to_cpu(eb->h_blkno),
+					    le16_to_cpu(new_el->l_next_free_rec),
+					    le16_to_cpu(new_el->l_count));
+				status = -EINVAL;
 				goto out;
 			}
 			rec = &new_el->l_recs[
@@ -4132,8 +4225,7 @@
 		if (right_cpos == 0)
 			goto out;
 
-		right_path = ocfs2_new_path(path_root_bh(path),
-					    path_root_el(path));
+		right_path = ocfs2_new_path_from_path(path);
 		if (!right_path)
 			goto out;
 
@@ -4147,8 +4239,12 @@
 			if (le16_to_cpu(new_el->l_next_free_rec) <= 1) {
 				bh = path_leaf_bh(right_path);
 				eb = (struct ocfs2_extent_block *)bh->b_data;
-				OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb,
-								 eb);
+				ocfs2_error(inode->i_sb,
+					    "Extent block #%llu has an "
+					    "invalid l_next_free_rec of %d",
+					    (unsigned long long)le64_to_cpu(eb->h_blkno),
+					    le16_to_cpu(new_el->l_next_free_rec));
+				status = -EINVAL;
 				goto out;
 			}
 			rec = &new_el->l_recs[1];
@@ -4294,7 +4390,9 @@
 		 * ocfs2_figure_insert_type() and ocfs2_add_branch()
 		 * may want it later.
 		 */
-		ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), &bh);
+		ret = ocfs2_read_extent_block(inode,
+					      ocfs2_et_get_last_eb_blk(et),
+					      &bh);
 		if (ret) {
 			mlog_exit(ret);
 			goto out;
@@ -4320,7 +4418,7 @@
 		return 0;
 	}
 
-	path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
+	path = ocfs2_new_path_from_et(et);
 	if (!path) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
@@ -4531,9 +4629,9 @@
 
 	BUG_ON(num_bits > clusters_to_add);
 
-	/* reserve our write early -- insert_extent may update the inode */
-	status = ocfs2_journal_access(handle, inode, et->et_root_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	/* reserve our write early -- insert_extent may update the tree root */
+	status = ocfs2_et_root_journal_access(handle, inode, et,
+					      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
@@ -4760,20 +4858,15 @@
 	if (path->p_tree_depth) {
 		struct ocfs2_extent_block *eb;
 
-		ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et),
-				       &last_eb_bh);
+		ret = ocfs2_read_extent_block(inode,
+					      ocfs2_et_get_last_eb_blk(et),
+					      &last_eb_bh);
 		if (ret) {
 			mlog_exit(ret);
 			goto out;
 		}
 
 		eb = (struct ocfs2_extent_block *) last_eb_bh->b_data;
-		if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) {
-			OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb);
-			ret = -EROFS;
-			goto out;
-		}
-
 		rightmost_el = &eb->h_list;
 	} else
 		rightmost_el = path_root_el(path);
@@ -4854,7 +4947,7 @@
 	if (et->et_ops == &ocfs2_dinode_et_ops)
 		ocfs2_extent_map_trunc(inode, 0);
 
-	left_path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
+	left_path = ocfs2_new_path_from_et(et);
 	if (!left_path) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
@@ -4918,8 +5011,9 @@
 
 	depth = path->p_tree_depth;
 	if (depth > 0) {
-		ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et),
-				       &last_eb_bh);
+		ret = ocfs2_read_extent_block(inode,
+					      ocfs2_et_get_last_eb_blk(et),
+					      &last_eb_bh);
 		if (ret < 0) {
 			mlog_errno(ret);
 			goto out;
@@ -5025,8 +5119,7 @@
 		}
 
 		if (left_cpos && le16_to_cpu(el->l_next_free_rec) > 1) {
-			left_path = ocfs2_new_path(path_root_bh(path),
-						   path_root_el(path));
+			left_path = ocfs2_new_path_from_path(path);
 			if (!left_path) {
 				ret = -ENOMEM;
 				mlog_errno(ret);
@@ -5135,7 +5228,7 @@
 
 	ocfs2_extent_map_trunc(inode, 0);
 
-	path = ocfs2_new_path(et->et_root_bh, et->et_root_el);
+	path = ocfs2_new_path_from_et(et);
 	if (!path) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
@@ -5255,6 +5348,78 @@
 	return ret;
 }
 
+int ocfs2_remove_btree_range(struct inode *inode,
+			     struct ocfs2_extent_tree *et,
+			     u32 cpos, u32 phys_cpos, u32 len,
+			     struct ocfs2_cached_dealloc_ctxt *dealloc)
+{
+	int ret;
+	u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos);
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	struct inode *tl_inode = osb->osb_tl_inode;
+	handle_t *handle;
+	struct ocfs2_alloc_context *meta_ac = NULL;
+
+	ret = ocfs2_lock_allocators(inode, et, 0, 1, NULL, &meta_ac);
+	if (ret) {
+		mlog_errno(ret);
+		return ret;
+	}
+
+	mutex_lock(&tl_inode->i_mutex);
+
+	if (ocfs2_truncate_log_needs_flush(osb)) {
+		ret = __ocfs2_flush_truncate_log(osb);
+		if (ret < 0) {
+			mlog_errno(ret);
+			goto out;
+		}
+	}
+
+	handle = ocfs2_start_trans(osb, ocfs2_remove_extent_credits(osb->sb));
+	if (IS_ERR(handle)) {
+		ret = PTR_ERR(handle);
+		mlog_errno(ret);
+		goto out;
+	}
+
+	ret = ocfs2_et_root_journal_access(handle, inode, et,
+					   OCFS2_JOURNAL_ACCESS_WRITE);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
+	}
+
+	ret = ocfs2_remove_extent(inode, et, cpos, len, handle, meta_ac,
+				  dealloc);
+	if (ret) {
+		mlog_errno(ret);
+		goto out_commit;
+	}
+
+	ocfs2_et_update_clusters(inode, et, -len);
+
+	ret = ocfs2_journal_dirty(handle, et->et_root_bh);
+	if (ret) {
+		mlog_errno(ret);
+		goto out_commit;
+	}
+
+	ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len);
+	if (ret)
+		mlog_errno(ret);
+
+out_commit:
+	ocfs2_commit_trans(osb, handle);
+out:
+	mutex_unlock(&tl_inode->i_mutex);
+
+	if (meta_ac)
+		ocfs2_free_alloc_context(meta_ac);
+
+	return ret;
+}
+
 int ocfs2_truncate_log_needs_flush(struct ocfs2_super *osb)
 {
 	struct buffer_head *tl_bh = osb->osb_tl_bh;
@@ -5308,13 +5473,13 @@
 	start_cluster = ocfs2_blocks_to_clusters(osb->sb, start_blk);
 
 	di = (struct ocfs2_dinode *) tl_bh->b_data;
-	tl = &di->id2.i_dealloc;
-	if (!OCFS2_IS_VALID_DINODE(di)) {
-		OCFS2_RO_ON_INVALID_DINODE(osb->sb, di);
-		status = -EIO;
-		goto bail;
-	}
 
+	/* tl_bh is loaded from ocfs2_truncate_log_init().  It's validated
+	 * by the underlying call to ocfs2_read_inode_block(), so any
+	 * corruption is a code bug */
+	BUG_ON(!OCFS2_IS_VALID_DINODE(di));
+
+	tl = &di->id2.i_dealloc;
 	tl_count = le16_to_cpu(tl->tl_count);
 	mlog_bug_on_msg(tl_count > ocfs2_truncate_recs_per_inode(osb->sb) ||
 			tl_count == 0,
@@ -5332,8 +5497,8 @@
 		goto bail;
 	}
 
-	status = ocfs2_journal_access(handle, tl_inode, tl_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, tl_inode, tl_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -5394,8 +5559,8 @@
 	while (i >= 0) {
 		/* Caller has given us at least enough credits to
 		 * update the truncate log dinode */
-		status = ocfs2_journal_access(handle, tl_inode, tl_bh,
-					      OCFS2_JOURNAL_ACCESS_WRITE);
+		status = ocfs2_journal_access_di(handle, tl_inode, tl_bh,
+						 OCFS2_JOURNAL_ACCESS_WRITE);
 		if (status < 0) {
 			mlog_errno(status);
 			goto bail;
@@ -5464,13 +5629,13 @@
 	BUG_ON(mutex_trylock(&tl_inode->i_mutex));
 
 	di = (struct ocfs2_dinode *) tl_bh->b_data;
-	tl = &di->id2.i_dealloc;
-	if (!OCFS2_IS_VALID_DINODE(di)) {
-		OCFS2_RO_ON_INVALID_DINODE(osb->sb, di);
-		status = -EIO;
-		goto out;
-	}
 
+	/* tl_bh is loaded from ocfs2_truncate_log_init().  It's validated
+	 * by the underlying call to ocfs2_read_inode_block(), so any
+	 * corruption is a code bug */
+	BUG_ON(!OCFS2_IS_VALID_DINODE(di));
+
+	tl = &di->id2.i_dealloc;
 	num_to_flush = le16_to_cpu(tl->tl_used);
 	mlog(0, "Flush %u records from truncate log #%llu\n",
 	     num_to_flush, (unsigned long long)OCFS2_I(tl_inode)->ip_blkno);
@@ -5586,7 +5751,7 @@
 		goto bail;
 	}
 
-	status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh);
+	status = ocfs2_read_inode_block(inode, &bh);
 	if (status < 0) {
 		iput(inode);
 		mlog_errno(status);
@@ -5625,13 +5790,13 @@
 	}
 
 	di = (struct ocfs2_dinode *) tl_bh->b_data;
-	tl = &di->id2.i_dealloc;
-	if (!OCFS2_IS_VALID_DINODE(di)) {
-		OCFS2_RO_ON_INVALID_DINODE(tl_inode->i_sb, di);
-		status = -EIO;
-		goto bail;
-	}
 
+	/* tl_bh is loaded from ocfs2_get_truncate_log_info().  It's
+	 * validated by the underlying call to ocfs2_read_inode_block(),
+	 * so any corruption is a code bug */
+	BUG_ON(!OCFS2_IS_VALID_DINODE(di));
+
+	tl = &di->id2.i_dealloc;
 	if (le16_to_cpu(tl->tl_used)) {
 		mlog(0, "We'll have %u logs to recover\n",
 		     le16_to_cpu(tl->tl_used));
@@ -5651,6 +5816,7 @@
 		 * tl_used. */
 		tl->tl_used = 0;
 
+		ocfs2_compute_meta_ecc(osb->sb, tl_bh->b_data, &di->i_check);
 		status = ocfs2_write_block(osb, tl_bh, tl_inode);
 		if (status < 0) {
 			mlog_errno(status);
@@ -5800,7 +5966,10 @@
  */
 
 /*
- * Describes a single block free from a suballocator
+ * Describe a single bit freed from a suballocator.  For the block
+ * suballocators, it represents one block.  For the global cluster
+ * allocator, it represents some clusters and free_bit indicates
+ * clusters number.
  */
 struct ocfs2_cached_block_free {
 	struct ocfs2_cached_block_free		*free_next;
@@ -5815,10 +5984,10 @@
 	struct ocfs2_cached_block_free		*f_first;
 };
 
-static int ocfs2_free_cached_items(struct ocfs2_super *osb,
-				   int sysfile_type,
-				   int slot,
-				   struct ocfs2_cached_block_free *head)
+static int ocfs2_free_cached_blocks(struct ocfs2_super *osb,
+				    int sysfile_type,
+				    int slot,
+				    struct ocfs2_cached_block_free *head)
 {
 	int ret;
 	u64 bg_blkno;
@@ -5893,6 +6062,82 @@
 	return ret;
 }
 
+int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
+				u64 blkno, unsigned int bit)
+{
+	int ret = 0;
+	struct ocfs2_cached_block_free *item;
+
+	item = kmalloc(sizeof(*item), GFP_NOFS);
+	if (item == NULL) {
+		ret = -ENOMEM;
+		mlog_errno(ret);
+		return ret;
+	}
+
+	mlog(0, "Insert clusters: (bit %u, blk %llu)\n",
+	     bit, (unsigned long long)blkno);
+
+	item->free_blk = blkno;
+	item->free_bit = bit;
+	item->free_next = ctxt->c_global_allocator;
+
+	ctxt->c_global_allocator = item;
+	return ret;
+}
+
+static int ocfs2_free_cached_clusters(struct ocfs2_super *osb,
+				      struct ocfs2_cached_block_free *head)
+{
+	struct ocfs2_cached_block_free *tmp;
+	struct inode *tl_inode = osb->osb_tl_inode;
+	handle_t *handle;
+	int ret = 0;
+
+	mutex_lock(&tl_inode->i_mutex);
+
+	while (head) {
+		if (ocfs2_truncate_log_needs_flush(osb)) {
+			ret = __ocfs2_flush_truncate_log(osb);
+			if (ret < 0) {
+				mlog_errno(ret);
+				break;
+			}
+		}
+
+		handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);
+		if (IS_ERR(handle)) {
+			ret = PTR_ERR(handle);
+			mlog_errno(ret);
+			break;
+		}
+
+		ret = ocfs2_truncate_log_append(osb, handle, head->free_blk,
+						head->free_bit);
+
+		ocfs2_commit_trans(osb, handle);
+		tmp = head;
+		head = head->free_next;
+		kfree(tmp);
+
+		if (ret < 0) {
+			mlog_errno(ret);
+			break;
+		}
+	}
+
+	mutex_unlock(&tl_inode->i_mutex);
+
+	while (head) {
+		/* Premature exit may have left some dangling items. */
+		tmp = head;
+		head = head->free_next;
+		kfree(tmp);
+	}
+
+	return ret;
+}
+
 int ocfs2_run_deallocs(struct ocfs2_super *osb,
 		       struct ocfs2_cached_dealloc_ctxt *ctxt)
 {
@@ -5908,8 +6153,10 @@
 		if (fl->f_first) {
 			mlog(0, "Free items: (type %u, slot %d)\n",
 			     fl->f_inode_type, fl->f_slot);
-			ret2 = ocfs2_free_cached_items(osb, fl->f_inode_type,
-						       fl->f_slot, fl->f_first);
+			ret2 = ocfs2_free_cached_blocks(osb,
+							fl->f_inode_type,
+							fl->f_slot,
+							fl->f_first);
 			if (ret2)
 				mlog_errno(ret2);
 			if (!ret)
@@ -5920,6 +6167,17 @@
 		kfree(fl);
 	}
 
+	if (ctxt->c_global_allocator) {
+		ret2 = ocfs2_free_cached_clusters(osb,
+						  ctxt->c_global_allocator);
+		if (ret2)
+			mlog_errno(ret2);
+		if (!ret)
+			ret = ret2;
+
+		ctxt->c_global_allocator = NULL;
+	}
+
 	return ret;
 }
 
@@ -6075,11 +6333,10 @@
 
 	eb = (struct ocfs2_extent_block *) bh->b_data;
 	el = &eb->h_list;
-	if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) {
-		OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb);
-		ret = -EROFS;
-		goto out;
-	}
+
+	/* ocfs2_find_leaf() gets the eb from ocfs2_read_extent_block().
+	 * Any corruption is a code bug. */
+	BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb));
 
 	*new_last_eb = bh;
 	get_bh(*new_last_eb);
@@ -6326,8 +6583,8 @@
 	}
 
 	if (last_eb_bh) {
-		status = ocfs2_journal_access(handle, inode, last_eb_bh,
-					      OCFS2_JOURNAL_ACCESS_WRITE);
+		status = ocfs2_journal_access_eb(handle, inode, last_eb_bh,
+						 OCFS2_JOURNAL_ACCESS_WRITE);
 		if (status < 0) {
 			mlog_errno(status);
 			goto bail;
@@ -6350,6 +6607,8 @@
 		goto bail;
 	}
 
+	vfs_dq_free_space_nodirty(inode,
+			ocfs2_clusters_to_bytes(osb->sb, clusters_to_del));
 	spin_lock(&OCFS2_I(inode)->ip_lock);
 	OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters) -
 				      clusters_to_del;
@@ -6436,11 +6695,6 @@
 		mlog_errno(ret);
 	else if (ocfs2_should_order_data(inode)) {
 		ret = ocfs2_jbd2_file_inode(handle, inode);
-#ifdef CONFIG_OCFS2_COMPAT_JBD
-		ret = walk_page_buffers(handle, page_buffers(page),
-					from, to, &partial,
-					ocfs2_journal_dirty_data);
-#endif
 		if (ret < 0)
 			mlog_errno(ret);
 	}
@@ -6663,6 +6917,7 @@
 	struct page **pages = NULL;
 	loff_t end = osb->s_clustersize;
 	struct ocfs2_extent_tree et;
+	int did_quota = 0;
 
 	has_data = i_size_read(inode) ? 1 : 0;
 
@@ -6682,15 +6937,16 @@
 		}
 	}
 
-	handle = ocfs2_start_trans(osb, OCFS2_INLINE_TO_EXTENTS_CREDITS);
+	handle = ocfs2_start_trans(osb,
+				   ocfs2_inline_to_extents_credits(osb->sb));
 	if (IS_ERR(handle)) {
 		ret = PTR_ERR(handle);
 		mlog_errno(ret);
 		goto out_unlock;
 	}
 
-	ret = ocfs2_journal_access(handle, inode, di_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_di(handle, inode, di_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out_commit;
@@ -6701,6 +6957,13 @@
 		unsigned int page_end;
 		u64 phys;
 
+		if (vfs_dq_alloc_space_nodirty(inode,
+				       ocfs2_clusters_to_bytes(osb->sb, 1))) {
+			ret = -EDQUOT;
+			goto out_commit;
+		}
+		did_quota = 1;
+
 		ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off,
 					   &num);
 		if (ret) {
@@ -6774,6 +7037,10 @@
 	}
 
 out_commit:
+	if (ret < 0 && did_quota)
+		vfs_dq_free_space_nodirty(inode,
+					  ocfs2_clusters_to_bytes(osb->sb, 1));
+
 	ocfs2_commit_trans(osb, handle);
 
 out_unlock:
@@ -6813,7 +7080,8 @@
 	new_highest_cpos = ocfs2_clusters_for_bytes(osb->sb,
 						     i_size_read(inode));
 
-	path = ocfs2_new_path(fe_bh, &di->id2.i_list);
+	path = ocfs2_new_path(fe_bh, &di->id2.i_list,
+			      ocfs2_journal_access_di);
 	if (!path) {
 		status = -ENOMEM;
 		mlog_errno(status);
@@ -6984,20 +7252,14 @@
 	ocfs2_init_dealloc_ctxt(&(*tc)->tc_dealloc);
 
 	if (fe->id2.i_list.l_tree_depth) {
-		status = ocfs2_read_block(inode, le64_to_cpu(fe->i_last_eb_blk),
-					  &last_eb_bh);
+		status = ocfs2_read_extent_block(inode,
+						 le64_to_cpu(fe->i_last_eb_blk),
+						 &last_eb_bh);
 		if (status < 0) {
 			mlog_errno(status);
 			goto bail;
 		}
 		eb = (struct ocfs2_extent_block *) last_eb_bh->b_data;
-		if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) {
-			OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb);
-
-			brelse(last_eb_bh);
-			status = -EIO;
-			goto bail;
-		}
 	}
 
 	(*tc)->tc_last_eb_bh = last_eb_bh;
@@ -7052,8 +7314,8 @@
 		goto out;
 	}
 
-	ret = ocfs2_journal_access(handle, inode, di_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_di(handle, inode, di_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out_commit;
diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h
index 70257c8..cceff5c 100644
--- a/fs/ocfs2/alloc.h
+++ b/fs/ocfs2/alloc.h
@@ -45,7 +45,9 @@
  *
  * ocfs2_extent_tree contains info for the root of the b-tree, it must have a
  * root ocfs2_extent_list and a root_bh so that they can be used in the b-tree
- * functions.
+ * functions.  With metadata ecc, we now call different journal_access
+ * functions for each type of metadata, so it must have the
+ * root_journal_access function.
  * ocfs2_extent_tree_operations abstract the normal operations we do for
  * the root of extent b-tree.
  */
@@ -54,6 +56,7 @@
 	struct ocfs2_extent_tree_operations	*et_ops;
 	struct buffer_head			*et_root_bh;
 	struct ocfs2_extent_list		*et_root_el;
+	ocfs2_journal_access_func		et_root_journal_access;
 	void					*et_object;
 	unsigned int				et_max_leaf_clusters;
 };
@@ -68,10 +71,18 @@
 void ocfs2_init_xattr_tree_extent_tree(struct ocfs2_extent_tree *et,
 				       struct inode *inode,
 				       struct buffer_head *bh);
+struct ocfs2_xattr_value_buf;
 void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et,
 					struct inode *inode,
-					struct buffer_head *bh,
-					struct ocfs2_xattr_value_root *xv);
+					struct ocfs2_xattr_value_buf *vb);
+
+/*
+ * Read an extent block into *bh.  If *bh is NULL, a bh will be
+ * allocated.  This is a cached read.  The extent block will be validated
+ * with ocfs2_validate_extent_block().
+ */
+int ocfs2_read_extent_block(struct inode *inode, u64 eb_blkno,
+			    struct buffer_head **bh);
 
 struct ocfs2_alloc_context;
 int ocfs2_insert_extent(struct ocfs2_super *osb,
@@ -110,6 +121,11 @@
 			u32 cpos, u32 len, handle_t *handle,
 			struct ocfs2_alloc_context *meta_ac,
 			struct ocfs2_cached_dealloc_ctxt *dealloc);
+int ocfs2_remove_btree_range(struct inode *inode,
+			     struct ocfs2_extent_tree *et,
+			     u32 cpos, u32 phys_cpos, u32 len,
+			     struct ocfs2_cached_dealloc_ctxt *dealloc);
+
 int ocfs2_num_free_extents(struct ocfs2_super *osb,
 			   struct inode *inode,
 			   struct ocfs2_extent_tree *et);
@@ -167,10 +183,18 @@
  */
 struct ocfs2_cached_dealloc_ctxt {
 	struct ocfs2_per_slot_free_list		*c_first_suballocator;
+	struct ocfs2_cached_block_free 		*c_global_allocator;
 };
 static inline void ocfs2_init_dealloc_ctxt(struct ocfs2_cached_dealloc_ctxt *c)
 {
 	c->c_first_suballocator = NULL;
+	c->c_global_allocator = NULL;
+}
+int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
+				u64 blkno, unsigned int bit);
+static inline int ocfs2_dealloc_has_cluster(struct ocfs2_cached_dealloc_ctxt *c)
+{
+	return c->c_global_allocator != NULL;
 }
 int ocfs2_run_deallocs(struct ocfs2_super *osb,
 		       struct ocfs2_cached_dealloc_ctxt *ctxt);
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index c22543b..a067a6c 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -27,6 +27,7 @@
 #include <linux/swap.h>
 #include <linux/pipe_fs_i.h>
 #include <linux/mpage.h>
+#include <linux/quotaops.h>
 
 #define MLOG_MASK_PREFIX ML_FILE_IO
 #include <cluster/masklog.h>
@@ -68,20 +69,13 @@
 		goto bail;
 	}
 
-	status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh);
+	status = ocfs2_read_inode_block(inode, &bh);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 	fe = (struct ocfs2_dinode *) bh->b_data;
 
-	if (!OCFS2_IS_VALID_DINODE(fe)) {
-		mlog(ML_ERROR, "Invalid dinode #%llu: signature = %.*s\n",
-		     (unsigned long long)le64_to_cpu(fe->i_blkno), 7,
-		     fe->i_signature);
-		goto bail;
-	}
-
 	if ((u64)iblock >= ocfs2_clusters_to_blocks(inode->i_sb,
 						    le32_to_cpu(fe->i_clusters))) {
 		mlog(ML_ERROR, "block offset is outside the allocated size: "
@@ -262,7 +256,7 @@
 	BUG_ON(!PageLocked(page));
 	BUG_ON(!(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL));
 
-	ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh);
+	ret = ocfs2_read_inode_block(inode, &di_bh);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -481,12 +475,6 @@
 
 	if (ocfs2_should_order_data(inode)) {
 		ret = ocfs2_jbd2_file_inode(handle, inode);
-#ifdef CONFIG_OCFS2_COMPAT_JBD
-		ret = walk_page_buffers(handle,
-					page_buffers(page),
-					from, to, NULL,
-					ocfs2_journal_dirty_data);
-#endif
 		if (ret < 0)
 			mlog_errno(ret);
 	}
@@ -1072,15 +1060,8 @@
 		tmppage = wc->w_pages[i];
 
 		if (page_has_buffers(tmppage)) {
-			if (ocfs2_should_order_data(inode)) {
+			if (ocfs2_should_order_data(inode))
 				ocfs2_jbd2_file_inode(wc->w_handle, inode);
-#ifdef CONFIG_OCFS2_COMPAT_JBD
-				walk_page_buffers(wc->w_handle,
-						  page_buffers(tmppage),
-						  from, to, NULL,
-						  ocfs2_journal_dirty_data);
-#endif
-			}
 
 			block_commit_write(tmppage, from, to);
 		}
@@ -1531,8 +1512,8 @@
 		goto out;
 	}
 
-	ret = ocfs2_journal_access(handle, inode, wc->w_di_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_di(handle, inode, wc->w_di_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		ocfs2_commit_trans(osb, handle);
 
@@ -1750,15 +1731,20 @@
 
 	wc->w_handle = handle;
 
+	if (clusters_to_alloc && vfs_dq_alloc_space_nodirty(inode,
+			ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc))) {
+		ret = -EDQUOT;
+		goto out_commit;
+	}
 	/*
 	 * We don't want this to fail in ocfs2_write_end(), so do it
 	 * here.
 	 */
-	ret = ocfs2_journal_access(handle, inode, wc->w_di_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_di(handle, inode, wc->w_di_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		goto out_quota;
 	}
 
 	/*
@@ -1771,14 +1757,14 @@
 					 mmap_page);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		goto out_quota;
 	}
 
 	ret = ocfs2_write_cluster_by_desc(mapping, data_ac, meta_ac, wc, pos,
 					  len);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		goto out_quota;
 	}
 
 	if (data_ac)
@@ -1790,6 +1776,10 @@
 	*pagep = wc->w_target_page;
 	*fsdata = wc;
 	return 0;
+out_quota:
+	if (clusters_to_alloc)
+		vfs_dq_free_space(inode,
+			  ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc));
 out_commit:
 	ocfs2_commit_trans(osb, handle);
 
@@ -1919,15 +1909,8 @@
 		}
 
 		if (page_has_buffers(tmppage)) {
-			if (ocfs2_should_order_data(inode)) {
+			if (ocfs2_should_order_data(inode))
 				ocfs2_jbd2_file_inode(wc->w_handle, inode);
-#ifdef CONFIG_OCFS2_COMPAT_JBD
-				walk_page_buffers(wc->w_handle,
-						  page_buffers(tmppage),
-						  from, to, NULL,
-						  ocfs2_journal_dirty_data);
-#endif
-			}
 			block_commit_write(tmppage, from, to);
 		}
 	}
diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c
new file mode 100644
index 0000000..2a947c4
--- /dev/null
+++ b/fs/ocfs2/blockcheck.c
@@ -0,0 +1,477 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * blockcheck.c
+ *
+ * Checksum and ECC codes for the OCFS2 userspace library.
+ *
+ * Copyright (C) 2006, 2008 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License, version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/crc32.h>
+#include <linux/buffer_head.h>
+#include <linux/bitops.h>
+#include <asm/byteorder.h>
+
+#include <cluster/masklog.h>
+
+#include "ocfs2.h"
+
+#include "blockcheck.h"
+
+
+/*
+ * We use the following conventions:
+ *
+ * d = # data bits
+ * p = # parity bits
+ * c = # total code bits (d + p)
+ */
+
+
+/*
+ * Calculate the bit offset in the hamming code buffer based on the bit's
+ * offset in the data buffer.  Since the hamming code reserves all
+ * power-of-two bits for parity, the data bit number and the code bit
+ * number are offest by all the parity bits beforehand.
+ *
+ * Recall that bit numbers in hamming code are 1-based.  This function
+ * takes the 0-based data bit from the caller.
+ *
+ * An example.  Take bit 1 of the data buffer.  1 is a power of two (2^0),
+ * so it's a parity bit.  2 is a power of two (2^1), so it's a parity bit.
+ * 3 is not a power of two.  So bit 1 of the data buffer ends up as bit 3
+ * in the code buffer.
+ *
+ * The caller can pass in *p if it wants to keep track of the most recent
+ * number of parity bits added.  This allows the function to start the
+ * calculation at the last place.
+ */
+static unsigned int calc_code_bit(unsigned int i, unsigned int *p_cache)
+{
+	unsigned int b, p = 0;
+
+	/*
+	 * Data bits are 0-based, but we're talking code bits, which
+	 * are 1-based.
+	 */
+	b = i + 1;
+
+	/* Use the cache if it is there */
+	if (p_cache)
+		p = *p_cache;
+        b += p;
+
+	/*
+	 * For every power of two below our bit number, bump our bit.
+	 *
+	 * We compare with (b + 1) because we have to compare with what b
+	 * would be _if_ it were bumped up by the parity bit.  Capice?
+	 *
+	 * p is set above.
+	 */
+	for (; (1 << p) < (b + 1); p++)
+		b++;
+
+	if (p_cache)
+		*p_cache = p;
+
+	return b;
+}
+
+/*
+ * This is the low level encoder function.  It can be called across
+ * multiple hunks just like the crc32 code.  'd' is the number of bits
+ * _in_this_hunk_.  nr is the bit offset of this hunk.  So, if you had
+ * two 512B buffers, you would do it like so:
+ *
+ * parity = ocfs2_hamming_encode(0, buf1, 512 * 8, 0);
+ * parity = ocfs2_hamming_encode(parity, buf2, 512 * 8, 512 * 8);
+ *
+ * If you just have one buffer, use ocfs2_hamming_encode_block().
+ */
+u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, unsigned int nr)
+{
+	unsigned int i, b, p = 0;
+
+	BUG_ON(!d);
+
+	/*
+	 * b is the hamming code bit number.  Hamming code specifies a
+	 * 1-based array, but C uses 0-based.  So 'i' is for C, and 'b' is
+	 * for the algorithm.
+	 *
+	 * The i++ in the for loop is so that the start offset passed
+	 * to ocfs2_find_next_bit_set() is one greater than the previously
+	 * found bit.
+	 */
+	for (i = 0; (i = ocfs2_find_next_bit(data, d, i)) < d; i++)
+	{
+		/*
+		 * i is the offset in this hunk, nr + i is the total bit
+		 * offset.
+		 */
+		b = calc_code_bit(nr + i, &p);
+
+		/*
+		 * Data bits in the resultant code are checked by
+		 * parity bits that are part of the bit number
+		 * representation.  Huh?
+		 *
+		 * <wikipedia href="http://en.wikipedia.org/wiki/Hamming_code">
+		 * In other words, the parity bit at position 2^k
+		 * checks bits in positions having bit k set in
+		 * their binary representation.  Conversely, for
+		 * instance, bit 13, i.e. 1101(2), is checked by
+		 * bits 1000(2) = 8, 0100(2)=4 and 0001(2) = 1.
+		 * </wikipedia>
+		 *
+		 * Note that 'k' is the _code_ bit number.  'b' in
+		 * our loop.
+		 */
+		parity ^= b;
+	}
+
+	/* While the data buffer was treated as little endian, the
+	 * return value is in host endian. */
+	return parity;
+}
+
+u32 ocfs2_hamming_encode_block(void *data, unsigned int blocksize)
+{
+	return ocfs2_hamming_encode(0, data, blocksize * 8, 0);
+}
+
+/*
+ * Like ocfs2_hamming_encode(), this can handle hunks.  nr is the bit
+ * offset of the current hunk.  If bit to be fixed is not part of the
+ * current hunk, this does nothing.
+ *
+ * If you only have one hunk, use ocfs2_hamming_fix_block().
+ */
+void ocfs2_hamming_fix(void *data, unsigned int d, unsigned int nr,
+		       unsigned int fix)
+{
+	unsigned int i, b;
+
+	BUG_ON(!d);
+
+	/*
+	 * If the bit to fix has an hweight of 1, it's a parity bit.  One
+	 * busted parity bit is its own error.  Nothing to do here.
+	 */
+	if (hweight32(fix) == 1)
+		return;
+
+	/*
+	 * nr + d is the bit right past the data hunk we're looking at.
+	 * If fix after that, nothing to do
+	 */
+	if (fix >= calc_code_bit(nr + d, NULL))
+		return;
+
+	/*
+	 * nr is the offset in the data hunk we're starting at.  Let's
+	 * start b at the offset in the code buffer.  See hamming_encode()
+	 * for a more detailed description of 'b'.
+	 */
+	b = calc_code_bit(nr, NULL);
+	/* If the fix is before this hunk, nothing to do */
+	if (fix < b)
+		return;
+
+	for (i = 0; i < d; i++, b++)
+	{
+		/* Skip past parity bits */
+		while (hweight32(b) == 1)
+			b++;
+
+		/*
+		 * i is the offset in this data hunk.
+		 * nr + i is the offset in the total data buffer.
+		 * b is the offset in the total code buffer.
+		 *
+		 * Thus, when b == fix, bit i in the current hunk needs
+		 * fixing.
+		 */
+		if (b == fix)
+		{
+			if (ocfs2_test_bit(i, data))
+				ocfs2_clear_bit(i, data);
+			else
+				ocfs2_set_bit(i, data);
+			break;
+		}
+	}
+}
+
+void ocfs2_hamming_fix_block(void *data, unsigned int blocksize,
+			     unsigned int fix)
+{
+	ocfs2_hamming_fix(data, blocksize * 8, 0, fix);
+}
+
+/*
+ * This function generates check information for a block.
+ * data is the block to be checked.  bc is a pointer to the
+ * ocfs2_block_check structure describing the crc32 and the ecc.
+ *
+ * bc should be a pointer inside data, as the function will
+ * take care of zeroing it before calculating the check information.  If
+ * bc does not point inside data, the caller must make sure any inline
+ * ocfs2_block_check structures are zeroed.
+ *
+ * The data buffer must be in on-disk endian (little endian for ocfs2).
+ * bc will be filled with little-endian values and will be ready to go to
+ * disk.
+ */
+void ocfs2_block_check_compute(void *data, size_t blocksize,
+			       struct ocfs2_block_check *bc)
+{
+	u32 crc;
+	u32 ecc;
+
+	memset(bc, 0, sizeof(struct ocfs2_block_check));
+
+	crc = crc32_le(~0, data, blocksize);
+	ecc = ocfs2_hamming_encode_block(data, blocksize);
+
+	/*
+	 * No ecc'd ocfs2 structure is larger than 4K, so ecc will be no
+	 * larger than 16 bits.
+	 */
+	BUG_ON(ecc > USHORT_MAX);
+
+	bc->bc_crc32e = cpu_to_le32(crc);
+	bc->bc_ecc = cpu_to_le16((u16)ecc);
+}
+
+/*
+ * This function validates existing check information.  Like _compute,
+ * the function will take care of zeroing bc before calculating check codes.
+ * If bc is not a pointer inside data, the caller must have zeroed any
+ * inline ocfs2_block_check structures.
+ *
+ * Again, the data passed in should be the on-disk endian.
+ */
+int ocfs2_block_check_validate(void *data, size_t blocksize,
+			       struct ocfs2_block_check *bc)
+{
+	int rc = 0;
+	struct ocfs2_block_check check;
+	u32 crc, ecc;
+
+	check.bc_crc32e = le32_to_cpu(bc->bc_crc32e);
+	check.bc_ecc = le16_to_cpu(bc->bc_ecc);
+
+	memset(bc, 0, sizeof(struct ocfs2_block_check));
+
+	/* Fast path - if the crc32 validates, we're good to go */
+	crc = crc32_le(~0, data, blocksize);
+	if (crc == check.bc_crc32e)
+		goto out;
+
+	mlog(ML_ERROR,
+	     "CRC32 failed: stored: %u, computed %u.  Applying ECC.\n",
+	     (unsigned int)check.bc_crc32e, (unsigned int)crc);
+
+	/* Ok, try ECC fixups */
+	ecc = ocfs2_hamming_encode_block(data, blocksize);
+	ocfs2_hamming_fix_block(data, blocksize, ecc ^ check.bc_ecc);
+
+	/* And check the crc32 again */
+	crc = crc32_le(~0, data, blocksize);
+	if (crc == check.bc_crc32e)
+		goto out;
+
+	mlog(ML_ERROR, "Fixed CRC32 failed: stored: %u, computed %u\n",
+	     (unsigned int)check.bc_crc32e, (unsigned int)crc);
+
+	rc = -EIO;
+
+out:
+	bc->bc_crc32e = cpu_to_le32(check.bc_crc32e);
+	bc->bc_ecc = cpu_to_le16(check.bc_ecc);
+
+	return rc;
+}
+
+/*
+ * This function generates check information for a list of buffer_heads.
+ * bhs is the blocks to be checked.  bc is a pointer to the
+ * ocfs2_block_check structure describing the crc32 and the ecc.
+ *
+ * bc should be a pointer inside data, as the function will
+ * take care of zeroing it before calculating the check information.  If
+ * bc does not point inside data, the caller must make sure any inline
+ * ocfs2_block_check structures are zeroed.
+ *
+ * The data buffer must be in on-disk endian (little endian for ocfs2).
+ * bc will be filled with little-endian values and will be ready to go to
+ * disk.
+ */
+void ocfs2_block_check_compute_bhs(struct buffer_head **bhs, int nr,
+				   struct ocfs2_block_check *bc)
+{
+	int i;
+	u32 crc, ecc;
+
+	BUG_ON(nr < 0);
+
+	if (!nr)
+		return;
+
+	memset(bc, 0, sizeof(struct ocfs2_block_check));
+
+	for (i = 0, crc = ~0, ecc = 0; i < nr; i++) {
+		crc = crc32_le(crc, bhs[i]->b_data, bhs[i]->b_size);
+		/*
+		 * The number of bits in a buffer is obviously b_size*8.
+		 * The offset of this buffer is b_size*i, so the bit offset
+		 * of this buffer is b_size*8*i.
+		 */
+		ecc = (u16)ocfs2_hamming_encode(ecc, bhs[i]->b_data,
+						bhs[i]->b_size * 8,
+						bhs[i]->b_size * 8 * i);
+	}
+
+	/*
+	 * No ecc'd ocfs2 structure is larger than 4K, so ecc will be no
+	 * larger than 16 bits.
+	 */
+	BUG_ON(ecc > USHORT_MAX);
+
+	bc->bc_crc32e = cpu_to_le32(crc);
+	bc->bc_ecc = cpu_to_le16((u16)ecc);
+}
+
+/*
+ * This function validates existing check information on a list of
+ * buffer_heads.  Like _compute_bhs, the function will take care of
+ * zeroing bc before calculating check codes.  If bc is not a pointer
+ * inside data, the caller must have zeroed any inline
+ * ocfs2_block_check structures.
+ *
+ * Again, the data passed in should be the on-disk endian.
+ */
+int ocfs2_block_check_validate_bhs(struct buffer_head **bhs, int nr,
+				   struct ocfs2_block_check *bc)
+{
+	int i, rc = 0;
+	struct ocfs2_block_check check;
+	u32 crc, ecc, fix;
+
+	BUG_ON(nr < 0);
+
+	if (!nr)
+		return 0;
+
+	check.bc_crc32e = le32_to_cpu(bc->bc_crc32e);
+	check.bc_ecc = le16_to_cpu(bc->bc_ecc);
+
+	memset(bc, 0, sizeof(struct ocfs2_block_check));
+
+	/* Fast path - if the crc32 validates, we're good to go */
+	for (i = 0, crc = ~0; i < nr; i++)
+		crc = crc32_le(crc, bhs[i]->b_data, bhs[i]->b_size);
+	if (crc == check.bc_crc32e)
+		goto out;
+
+	mlog(ML_ERROR,
+	     "CRC32 failed: stored: %u, computed %u.  Applying ECC.\n",
+	     (unsigned int)check.bc_crc32e, (unsigned int)crc);
+
+	/* Ok, try ECC fixups */
+	for (i = 0, ecc = 0; i < nr; i++) {
+		/*
+		 * The number of bits in a buffer is obviously b_size*8.
+		 * The offset of this buffer is b_size*i, so the bit offset
+		 * of this buffer is b_size*8*i.
+		 */
+		ecc = (u16)ocfs2_hamming_encode(ecc, bhs[i]->b_data,
+						bhs[i]->b_size * 8,
+						bhs[i]->b_size * 8 * i);
+	}
+	fix = ecc ^ check.bc_ecc;
+	for (i = 0; i < nr; i++) {
+		/*
+		 * Try the fix against each buffer.  It will only affect
+		 * one of them.
+		 */
+		ocfs2_hamming_fix(bhs[i]->b_data, bhs[i]->b_size * 8,
+				  bhs[i]->b_size * 8 * i, fix);
+	}
+
+	/* And check the crc32 again */
+	for (i = 0, crc = ~0; i < nr; i++)
+		crc = crc32_le(crc, bhs[i]->b_data, bhs[i]->b_size);
+	if (crc == check.bc_crc32e)
+		goto out;
+
+	mlog(ML_ERROR, "Fixed CRC32 failed: stored: %u, computed %u\n",
+	     (unsigned int)check.bc_crc32e, (unsigned int)crc);
+
+	rc = -EIO;
+
+out:
+	bc->bc_crc32e = cpu_to_le32(check.bc_crc32e);
+	bc->bc_ecc = cpu_to_le16(check.bc_ecc);
+
+	return rc;
+}
+
+/*
+ * These are the main API.  They check the superblock flag before
+ * calling the underlying operations.
+ *
+ * They expect the buffer(s) to be in disk format.
+ */
+void ocfs2_compute_meta_ecc(struct super_block *sb, void *data,
+			    struct ocfs2_block_check *bc)
+{
+	if (ocfs2_meta_ecc(OCFS2_SB(sb)))
+		ocfs2_block_check_compute(data, sb->s_blocksize, bc);
+}
+
+int ocfs2_validate_meta_ecc(struct super_block *sb, void *data,
+			    struct ocfs2_block_check *bc)
+{
+	int rc = 0;
+
+	if (ocfs2_meta_ecc(OCFS2_SB(sb)))
+		rc = ocfs2_block_check_validate(data, sb->s_blocksize, bc);
+
+	return rc;
+}
+
+void ocfs2_compute_meta_ecc_bhs(struct super_block *sb,
+				struct buffer_head **bhs, int nr,
+				struct ocfs2_block_check *bc)
+{
+	if (ocfs2_meta_ecc(OCFS2_SB(sb)))
+		ocfs2_block_check_compute_bhs(bhs, nr, bc);
+}
+
+int ocfs2_validate_meta_ecc_bhs(struct super_block *sb,
+				struct buffer_head **bhs, int nr,
+				struct ocfs2_block_check *bc)
+{
+	int rc = 0;
+
+	if (ocfs2_meta_ecc(OCFS2_SB(sb)))
+		rc = ocfs2_block_check_validate_bhs(bhs, nr, bc);
+
+	return rc;
+}
+
diff --git a/fs/ocfs2/blockcheck.h b/fs/ocfs2/blockcheck.h
new file mode 100644
index 0000000..70ec3fe
--- /dev/null
+++ b/fs/ocfs2/blockcheck.h
@@ -0,0 +1,82 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * blockcheck.h
+ *
+ * Checksum and ECC codes for the OCFS2 userspace library.
+ *
+ * Copyright (C) 2004, 2008 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License, version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef OCFS2_BLOCKCHECK_H
+#define OCFS2_BLOCKCHECK_H
+
+
+/* High level block API */
+void ocfs2_compute_meta_ecc(struct super_block *sb, void *data,
+			    struct ocfs2_block_check *bc);
+int ocfs2_validate_meta_ecc(struct super_block *sb, void *data,
+			    struct ocfs2_block_check *bc);
+void ocfs2_compute_meta_ecc_bhs(struct super_block *sb,
+				struct buffer_head **bhs, int nr,
+				struct ocfs2_block_check *bc);
+int ocfs2_validate_meta_ecc_bhs(struct super_block *sb,
+				struct buffer_head **bhs, int nr,
+				struct ocfs2_block_check *bc);
+
+/* Lower level API */
+void ocfs2_block_check_compute(void *data, size_t blocksize,
+			       struct ocfs2_block_check *bc);
+int ocfs2_block_check_validate(void *data, size_t blocksize,
+			       struct ocfs2_block_check *bc);
+void ocfs2_block_check_compute_bhs(struct buffer_head **bhs, int nr,
+				   struct ocfs2_block_check *bc);
+int ocfs2_block_check_validate_bhs(struct buffer_head **bhs, int nr,
+				   struct ocfs2_block_check *bc);
+
+/*
+ * Hamming code functions
+ */
+
+/*
+ * Encoding hamming code parity bits for a buffer.
+ *
+ * This is the low level encoder function.  It can be called across
+ * multiple hunks just like the crc32 code.  'd' is the number of bits
+ * _in_this_hunk_.  nr is the bit offset of this hunk.  So, if you had
+ * two 512B buffers, you would do it like so:
+ *
+ * parity = ocfs2_hamming_encode(0, buf1, 512 * 8, 0);
+ * parity = ocfs2_hamming_encode(parity, buf2, 512 * 8, 512 * 8);
+ *
+ * If you just have one buffer, use ocfs2_hamming_encode_block().
+ */
+u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d,
+			 unsigned int nr);
+/*
+ * Fix a buffer with a bit error.  The 'fix' is the original parity
+ * xor'd with the parity calculated now.
+ *
+ * Like ocfs2_hamming_encode(), this can handle hunks.  nr is the bit
+ * offset of the current hunk.  If bit to be fixed is not part of the
+ * current hunk, this does nothing.
+ *
+ * If you only have one buffer, use ocfs2_hamming_fix_block().
+ */
+void ocfs2_hamming_fix(void *data, unsigned int d, unsigned int nr,
+		       unsigned int fix);
+
+/* Convenience wrappers for a single buffer of data */
+extern u32 ocfs2_hamming_encode_block(void *data, unsigned int blocksize);
+extern void ocfs2_hamming_fix_block(void *data, unsigned int blocksize,
+				    unsigned int fix);
+#endif
diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
index 3a178ec..15c8e6d 100644
--- a/fs/ocfs2/buffer_head_io.c
+++ b/fs/ocfs2/buffer_head_io.c
@@ -39,6 +39,18 @@
 
 #include "buffer_head_io.h"
 
+/*
+ * Bits on bh->b_state used by ocfs2.
+ *
+ * These MUST be after the JBD2 bits.  Hence, we use BH_JBDPrivateStart.
+ */
+enum ocfs2_state_bits {
+	BH_NeedsValidate = BH_JBDPrivateStart,
+};
+
+/* Expand the magic b_state functions */
+BUFFER_FNS(NeedsValidate, needs_validate);
+
 int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
 		      struct inode *inode)
 {
@@ -166,7 +178,9 @@
 }
 
 int ocfs2_read_blocks(struct inode *inode, u64 block, int nr,
-		      struct buffer_head *bhs[], int flags)
+		      struct buffer_head *bhs[], int flags,
+		      int (*validate)(struct super_block *sb,
+				      struct buffer_head *bh))
 {
 	int status = 0;
 	int i, ignore_cache = 0;
@@ -298,6 +312,8 @@
 
 			clear_buffer_uptodate(bh);
 			get_bh(bh); /* for end_buffer_read_sync() */
+			if (validate)
+				set_buffer_needs_validate(bh);
 			bh->b_end_io = end_buffer_read_sync;
 			submit_bh(READ, bh);
 			continue;
@@ -328,6 +344,20 @@
 				bhs[i] = NULL;
 				continue;
 			}
+
+			if (buffer_needs_validate(bh)) {
+				/* We never set NeedsValidate if the
+				 * buffer was held by the journal, so
+				 * that better not have changed */
+				BUG_ON(buffer_jbd(bh));
+				clear_buffer_needs_validate(bh);
+				status = validate(inode->i_sb, bh);
+				if (status) {
+					put_bh(bh);
+					bhs[i] = NULL;
+					continue;
+				}
+			}
 		}
 
 		/* Always set the buffer in the cache, even if it was
diff --git a/fs/ocfs2/buffer_head_io.h b/fs/ocfs2/buffer_head_io.h
index 75e1dcb..c75d682 100644
--- a/fs/ocfs2/buffer_head_io.h
+++ b/fs/ocfs2/buffer_head_io.h
@@ -31,21 +31,24 @@
 void ocfs2_end_buffer_io_sync(struct buffer_head *bh,
 			     int uptodate);
 
-static inline int ocfs2_read_block(struct inode	       *inode,
-				   u64                  off,
-				   struct buffer_head **bh);
-
 int ocfs2_write_block(struct ocfs2_super          *osb,
 		      struct buffer_head  *bh,
 		      struct inode        *inode);
-int ocfs2_read_blocks(struct inode	  *inode,
-		      u64                  block,
-		      int                  nr,
-		      struct buffer_head  *bhs[],
-		      int                  flags);
 int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block,
 			   unsigned int nr, struct buffer_head *bhs[]);
 
+/*
+ * If not NULL, validate() will be called on a buffer that is freshly
+ * read from disk.  It will not be called if the buffer was in cache.
+ * Note that if validate() is being used for this buffer, it needs to
+ * be set even for a READAHEAD call, as it marks the buffer for later
+ * validation.
+ */
+int ocfs2_read_blocks(struct inode *inode, u64 block, int nr,
+		      struct buffer_head *bhs[], int flags,
+		      int (*validate)(struct super_block *sb,
+				      struct buffer_head *bh));
+
 int ocfs2_write_super_or_backup(struct ocfs2_super *osb,
 				struct buffer_head *bh);
 
@@ -53,7 +56,9 @@
 #define OCFS2_BH_READAHEAD         8
 
 static inline int ocfs2_read_block(struct inode *inode, u64 off,
-				   struct buffer_head **bh)
+				   struct buffer_head **bh,
+				   int (*validate)(struct super_block *sb,
+						   struct buffer_head *bh))
 {
 	int status = 0;
 
@@ -63,7 +68,7 @@
 		goto bail;
 	}
 
-	status = ocfs2_read_blocks(inode, off, 1, bh, 0);
+	status = ocfs2_read_blocks(inode, off, 1, bh, 0, validate);
 
 bail:
 	return status;
diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c
index d8a0cb9..96df541 100644
--- a/fs/ocfs2/cluster/masklog.c
+++ b/fs/ocfs2/cluster/masklog.c
@@ -110,6 +110,7 @@
 	define_mask(QUORUM),
 	define_mask(EXPORT),
 	define_mask(XATTR),
+	define_mask(QUOTA),
 	define_mask(ERROR),
 	define_mask(NOTICE),
 	define_mask(KTHREAD),
diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index 57670c6..7e72a81 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -113,6 +113,7 @@
 #define ML_QUORUM	0x0000000008000000ULL /* net connection quorum */
 #define ML_EXPORT	0x0000000010000000ULL /* ocfs2 export operations */
 #define ML_XATTR	0x0000000020000000ULL /* ocfs2 extended attributes */
+#define ML_QUOTA	0x0000000040000000ULL /* ocfs2 quota operations */
 /* bits that are infrequently given and frequently matched in the high word */
 #define ML_ERROR	0x0000000100000000ULL /* sent to KERN_ERR */
 #define ML_NOTICE	0x0000000200000000ULL /* setn to KERN_NOTICE */
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 026e6eb..f2c4098 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -40,6 +40,7 @@
 #include <linux/types.h>
 #include <linux/slab.h>
 #include <linux/highmem.h>
+#include <linux/quotaops.h>
 
 #define MLOG_MASK_PREFIX ML_NAMEI
 #include <cluster/masklog.h>
@@ -47,6 +48,7 @@
 #include "ocfs2.h"
 
 #include "alloc.h"
+#include "blockcheck.h"
 #include "dir.h"
 #include "dlmglue.h"
 #include "extent_map.h"
@@ -82,47 +84,72 @@
 			       struct ocfs2_alloc_context *meta_ac,
 			       struct buffer_head **new_bh);
 
-static struct buffer_head *ocfs2_bread(struct inode *inode,
-				       int block, int *err, int reada)
+/*
+ * These are distinct checks because future versions of the file system will
+ * want to have a trailing dirent structure independent of indexing.
+ */
+static int ocfs2_dir_has_trailer(struct inode *dir)
 {
-	struct buffer_head *bh = NULL;
-	int tmperr;
-	u64 p_blkno;
-	int readflags = 0;
+	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)
+		return 0;
 
-	if (reada)
-		readflags |= OCFS2_BH_READAHEAD;
+	return ocfs2_meta_ecc(OCFS2_SB(dir->i_sb));
+}
 
-	if (((u64)block << inode->i_sb->s_blocksize_bits) >=
-	    i_size_read(inode)) {
-		BUG_ON(!reada);
-		return NULL;
-	}
+static int ocfs2_supports_dir_trailer(struct ocfs2_super *osb)
+{
+	return ocfs2_meta_ecc(osb);
+}
 
-	down_read(&OCFS2_I(inode)->ip_alloc_sem);
-	tmperr = ocfs2_extent_map_get_blocks(inode, block, &p_blkno, NULL,
-					     NULL);
-	up_read(&OCFS2_I(inode)->ip_alloc_sem);
-	if (tmperr < 0) {
-		mlog_errno(tmperr);
-		goto fail;
-	}
+static inline unsigned int ocfs2_dir_trailer_blk_off(struct super_block *sb)
+{
+	return sb->s_blocksize - sizeof(struct ocfs2_dir_block_trailer);
+}
 
-	tmperr = ocfs2_read_blocks(inode, p_blkno, 1, &bh, readflags);
-	if (tmperr < 0)
-		goto fail;
+#define ocfs2_trailer_from_bh(_bh, _sb) ((struct ocfs2_dir_block_trailer *) ((_bh)->b_data + ocfs2_dir_trailer_blk_off((_sb))))
 
-	tmperr = 0;
+/* XXX ocfs2_block_dqtrailer() is similar but not quite - can we make
+ * them more consistent? */
+struct ocfs2_dir_block_trailer *ocfs2_dir_trailer_from_size(int blocksize,
+							    void *data)
+{
+	char *p = data;
 
-	*err = 0;
-	return bh;
+	p += blocksize - sizeof(struct ocfs2_dir_block_trailer);
+	return (struct ocfs2_dir_block_trailer *)p;
+}
 
-fail:
-	brelse(bh);
-	bh = NULL;
+/*
+ * XXX: This is executed once on every dirent. We should consider optimizing
+ * it.
+ */
+static int ocfs2_skip_dir_trailer(struct inode *dir,
+				  struct ocfs2_dir_entry *de,
+				  unsigned long offset,
+				  unsigned long blklen)
+{
+	unsigned long toff = blklen - sizeof(struct ocfs2_dir_block_trailer);
 
-	*err = -EIO;
-	return NULL;
+	if (!ocfs2_dir_has_trailer(dir))
+		return 0;
+
+	if (offset != toff)
+		return 0;
+
+	return 1;
+}
+
+static void ocfs2_init_dir_trailer(struct inode *inode,
+				   struct buffer_head *bh)
+{
+	struct ocfs2_dir_block_trailer *trailer;
+
+	trailer = ocfs2_trailer_from_bh(bh, inode->i_sb);
+	strcpy(trailer->db_signature, OCFS2_DIR_TRAILER_SIGNATURE);
+	trailer->db_compat_rec_len =
+			cpu_to_le16(sizeof(struct ocfs2_dir_block_trailer));
+	trailer->db_parent_dinode = cpu_to_le64(OCFS2_I(inode)->ip_blkno);
+	trailer->db_blkno = cpu_to_le64(bh->b_blocknr);
 }
 
 /*
@@ -231,7 +258,7 @@
 	struct ocfs2_dinode *di;
 	struct ocfs2_inline_data *data;
 
-	ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, &di_bh);
+	ret = ocfs2_read_inode_block(dir, &di_bh);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -250,6 +277,108 @@
 	return NULL;
 }
 
+static int ocfs2_validate_dir_block(struct super_block *sb,
+				    struct buffer_head *bh)
+{
+	int rc;
+	struct ocfs2_dir_block_trailer *trailer =
+		ocfs2_trailer_from_bh(bh, sb);
+
+
+	/*
+	 * We don't validate dirents here, that's handled
+	 * in-place when the code walks them.
+	 */
+	mlog(0, "Validating dirblock %llu\n",
+	     (unsigned long long)bh->b_blocknr);
+
+	BUG_ON(!buffer_uptodate(bh));
+
+	/*
+	 * If the ecc fails, we return the error but otherwise
+	 * leave the filesystem running.  We know any error is
+	 * local to this block.
+	 *
+	 * Note that we are safe to call this even if the directory
+	 * doesn't have a trailer.  Filesystems without metaecc will do
+	 * nothing, and filesystems with it will have one.
+	 */
+	rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &trailer->db_check);
+	if (rc)
+		mlog(ML_ERROR, "Checksum failed for dinode %llu\n",
+		     (unsigned long long)bh->b_blocknr);
+
+	return rc;
+}
+
+/*
+ * This function forces all errors to -EIO for consistency with its
+ * predecessor, ocfs2_bread().  We haven't audited what returning the
+ * real error codes would do to callers.  We log the real codes with
+ * mlog_errno() before we squash them.
+ */
+static int ocfs2_read_dir_block(struct inode *inode, u64 v_block,
+				struct buffer_head **bh, int flags)
+{
+	int rc = 0;
+	struct buffer_head *tmp = *bh;
+	struct ocfs2_dir_block_trailer *trailer;
+
+	rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, flags,
+				    ocfs2_validate_dir_block);
+	if (rc) {
+		mlog_errno(rc);
+		goto out;
+	}
+
+	/*
+	 * We check the trailer here rather than in
+	 * ocfs2_validate_dir_block() because that function doesn't have
+	 * the inode to test.
+	 */
+	if (!(flags & OCFS2_BH_READAHEAD) &&
+	    ocfs2_dir_has_trailer(inode)) {
+		trailer = ocfs2_trailer_from_bh(tmp, inode->i_sb);
+		if (!OCFS2_IS_VALID_DIR_TRAILER(trailer)) {
+			rc = -EINVAL;
+			ocfs2_error(inode->i_sb,
+				    "Invalid dirblock #%llu: "
+				    "signature = %.*s\n",
+				    (unsigned long long)tmp->b_blocknr, 7,
+				    trailer->db_signature);
+			goto out;
+		}
+		if (le64_to_cpu(trailer->db_blkno) != tmp->b_blocknr) {
+			rc = -EINVAL;
+			ocfs2_error(inode->i_sb,
+				    "Directory block #%llu has an invalid "
+				    "db_blkno of %llu",
+				    (unsigned long long)tmp->b_blocknr,
+				    (unsigned long long)le64_to_cpu(trailer->db_blkno));
+			goto out;
+		}
+		if (le64_to_cpu(trailer->db_parent_dinode) !=
+		    OCFS2_I(inode)->ip_blkno) {
+			rc = -EINVAL;
+			ocfs2_error(inode->i_sb,
+				    "Directory block #%llu on dinode "
+				    "#%llu has an invalid parent_dinode "
+				    "of %llu",
+				    (unsigned long long)tmp->b_blocknr,
+				    (unsigned long long)OCFS2_I(inode)->ip_blkno,
+				    (unsigned long long)le64_to_cpu(trailer->db_blkno));
+			goto out;
+		}
+	}
+
+	/* If ocfs2_read_virt_blocks() got us a new bh, pass it up. */
+	if (!*bh)
+		*bh = tmp;
+
+out:
+	return rc ? -EIO : 0;
+}
+
 static struct buffer_head *ocfs2_find_entry_el(const char *name, int namelen,
 					       struct inode *dir,
 					       struct ocfs2_dir_entry **res_dir)
@@ -296,15 +425,17 @@
 				}
 				num++;
 
-				bh = ocfs2_bread(dir, b++, &err, 1);
+				bh = NULL;
+				err = ocfs2_read_dir_block(dir, b++, &bh,
+							   OCFS2_BH_READAHEAD);
 				bh_use[ra_max] = bh;
 			}
 		}
 		if ((bh = bh_use[ra_ptr++]) == NULL)
 			goto next;
-		if (ocfs2_read_block(dir, block, &bh)) {
+		if (ocfs2_read_dir_block(dir, block, &bh, 0)) {
 			/* read error, skip block & hope for the best.
-			 * ocfs2_read_block() has released the bh. */
+			 * ocfs2_read_dir_block() has released the bh. */
 			ocfs2_error(dir->i_sb, "reading directory %llu, "
 				    "offset %lu\n",
 				    (unsigned long long)OCFS2_I(dir)->ip_blkno,
@@ -381,14 +512,18 @@
 		       struct inode *new_entry_inode)
 {
 	int ret;
+	ocfs2_journal_access_func access = ocfs2_journal_access_db;
 
 	/*
 	 * The same code works fine for both inline-data and extent
-	 * based directories, so no need to split this up.
+	 * based directories, so no need to split this up.  The only
+	 * difference is the journal_access function.
 	 */
 
-	ret = ocfs2_journal_access(handle, dir, de_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)
+		access = ocfs2_journal_access_di;
+
+	ret = access(handle, dir, de_bh, OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -410,9 +545,13 @@
 {
 	struct ocfs2_dir_entry *de, *pde;
 	int i, status = -ENOENT;
+	ocfs2_journal_access_func access = ocfs2_journal_access_db;
 
 	mlog_entry("(0x%p, 0x%p, 0x%p, 0x%p)\n", handle, dir, de_del, bh);
 
+	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)
+		access = ocfs2_journal_access_di;
+
 	i = 0;
 	pde = NULL;
 	de = (struct ocfs2_dir_entry *) first_de;
@@ -423,8 +562,8 @@
 			goto bail;
 		}
 		if (de == de_del)  {
-			status = ocfs2_journal_access(handle, dir, bh,
-						      OCFS2_JOURNAL_ACCESS_WRITE);
+			status = access(handle, dir, bh,
+					OCFS2_JOURNAL_ACCESS_WRITE);
 			if (status < 0) {
 				status = -EIO;
 				mlog_errno(status);
@@ -458,7 +597,7 @@
 	struct ocfs2_dinode *di;
 	struct ocfs2_inline_data *data;
 
-	ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, &di_bh);
+	ret = ocfs2_read_inode_block(dir, &di_bh);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -576,6 +715,16 @@
 			goto bail;
 		}
 
+		/* We're guaranteed that we should have space, so we
+		 * can't possibly have hit the trailer...right? */
+		mlog_bug_on_msg(ocfs2_skip_dir_trailer(dir, de, offset, size),
+				"Hit dir trailer trying to insert %.*s "
+			        "(namelen %d) into directory %llu.  "
+				"offset is %lu, trailer offset is %d\n",
+				namelen, name, namelen,
+				(unsigned long long)parent_fe_bh->b_blocknr,
+				offset, ocfs2_dir_trailer_blk_off(dir->i_sb));
+
 		if (ocfs2_dirent_would_fit(de, rec_len)) {
 			dir->i_mtime = dir->i_ctime = CURRENT_TIME;
 			retval = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh);
@@ -584,8 +733,14 @@
 				goto bail;
 			}
 
-			status = ocfs2_journal_access(handle, dir, insert_bh,
-						      OCFS2_JOURNAL_ACCESS_WRITE);
+			if (insert_bh == parent_fe_bh)
+				status = ocfs2_journal_access_di(handle, dir,
+								 insert_bh,
+								 OCFS2_JOURNAL_ACCESS_WRITE);
+			else
+				status = ocfs2_journal_access_db(handle, dir,
+								 insert_bh,
+								 OCFS2_JOURNAL_ACCESS_WRITE);
 			/* By now the buffer is marked for journaling */
 			offset += le16_to_cpu(de->rec_len);
 			if (le64_to_cpu(de->inode)) {
@@ -611,6 +766,7 @@
 			retval = 0;
 			goto bail;
 		}
+
 		offset += le16_to_cpu(de->rec_len);
 		de = (struct ocfs2_dir_entry *) ((char *) de + le16_to_cpu(de->rec_len));
 	}
@@ -636,7 +792,7 @@
 	struct ocfs2_inline_data *data;
 	struct ocfs2_dir_entry *de;
 
-	ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh);
+	ret = ocfs2_read_inode_block(inode, &di_bh);
 	if (ret) {
 		mlog(ML_ERROR, "Unable to read inode block for dir %llu\n",
 		     (unsigned long long)OCFS2_I(inode)->ip_blkno);
@@ -724,7 +880,6 @@
 	int i, stored;
 	struct buffer_head * bh, * tmp;
 	struct ocfs2_dir_entry * de;
-	int err;
 	struct super_block * sb = inode->i_sb;
 	unsigned int ra_sectors = 16;
 
@@ -735,12 +890,8 @@
 
 	while (!error && !stored && *f_pos < i_size_read(inode)) {
 		blk = (*f_pos) >> sb->s_blocksize_bits;
-		bh = ocfs2_bread(inode, blk, &err, 0);
-		if (!bh) {
-			mlog(ML_ERROR,
-			     "directory #%llu contains a hole at offset %lld\n",
-			     (unsigned long long)OCFS2_I(inode)->ip_blkno,
-			     *f_pos);
+		if (ocfs2_read_dir_block(inode, blk, &bh, 0)) {
+			/* Skip the corrupt dirblock and keep trying */
 			*f_pos += sb->s_blocksize - offset;
 			continue;
 		}
@@ -754,8 +905,10 @@
 		    || (((last_ra_blk - blk) << 9) <= (ra_sectors / 2))) {
 			for (i = ra_sectors >> (sb->s_blocksize_bits - 9);
 			     i > 0; i--) {
-				tmp = ocfs2_bread(inode, ++blk, &err, 1);
-				brelse(tmp);
+				tmp = NULL;
+				if (!ocfs2_read_dir_block(inode, ++blk, &tmp,
+							  OCFS2_BH_READAHEAD))
+					brelse(tmp);
 			}
 			last_ra_blk = blk;
 			ra_sectors = 8;
@@ -828,6 +981,7 @@
 		}
 		offset = 0;
 		brelse(bh);
+		bh = NULL;
 	}
 
 	stored = 0;
@@ -1050,9 +1204,15 @@
 	return !priv.seen_other;
 }
 
-static void ocfs2_fill_initial_dirents(struct inode *inode,
-				       struct inode *parent,
-				       char *start, unsigned int size)
+/*
+ * Fills "." and ".." dirents in a new directory block. Returns dirent for
+ * "..", which might be used during creation of a directory with a trailing
+ * header. It is otherwise safe to ignore the return code.
+ */
+static struct ocfs2_dir_entry *ocfs2_fill_initial_dirents(struct inode *inode,
+							  struct inode *parent,
+							  char *start,
+							  unsigned int size)
 {
 	struct ocfs2_dir_entry *de = (struct ocfs2_dir_entry *)start;
 
@@ -1069,6 +1229,8 @@
 	de->name_len = 2;
 	strcpy(de->name, "..");
 	ocfs2_set_de_type(de, S_IFDIR);
+
+	return de;
 }
 
 /*
@@ -1086,8 +1248,8 @@
 	struct ocfs2_inline_data *data = &di->id2.i_data;
 	unsigned int size = le16_to_cpu(data->id_count);
 
-	ret = ocfs2_journal_access(handle, inode, di_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_di(handle, inode, di_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -1121,10 +1283,15 @@
 				 struct ocfs2_alloc_context *data_ac)
 {
 	int status;
+	unsigned int size = osb->sb->s_blocksize;
 	struct buffer_head *new_bh = NULL;
+	struct ocfs2_dir_entry *de;
 
 	mlog_entry_void();
 
+	if (ocfs2_supports_dir_trailer(osb))
+		size = ocfs2_dir_trailer_blk_off(parent->i_sb);
+
 	status = ocfs2_do_extend_dir(osb->sb, handle, inode, fe_bh,
 				     data_ac, NULL, &new_bh);
 	if (status < 0) {
@@ -1134,16 +1301,17 @@
 
 	ocfs2_set_new_buffer_uptodate(inode, new_bh);
 
-	status = ocfs2_journal_access(handle, inode, new_bh,
-				      OCFS2_JOURNAL_ACCESS_CREATE);
+	status = ocfs2_journal_access_db(handle, inode, new_bh,
+					 OCFS2_JOURNAL_ACCESS_CREATE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 	memset(new_bh->b_data, 0, osb->sb->s_blocksize);
 
-	ocfs2_fill_initial_dirents(inode, parent, new_bh->b_data,
-				   osb->sb->s_blocksize);
+	de = ocfs2_fill_initial_dirents(inode, parent, new_bh->b_data, size);
+	if (ocfs2_supports_dir_trailer(osb))
+		ocfs2_init_dir_trailer(inode, new_bh);
 
 	status = ocfs2_journal_dirty(handle, new_bh);
 	if (status < 0) {
@@ -1184,13 +1352,27 @@
 				     data_ac);
 }
 
+/*
+ * Expand rec_len of the rightmost dirent in a directory block so that it
+ * contains the end of our valid space for dirents. We do this during
+ * expansion from an inline directory to one with extents. The first dir block
+ * in that case is taken from the inline data portion of the inode block.
+ *
+ * We add the dir trailer if this filesystem wants it.
+ */
 static void ocfs2_expand_last_dirent(char *start, unsigned int old_size,
-				     unsigned int new_size)
+				     struct super_block *sb)
 {
 	struct ocfs2_dir_entry *de;
 	struct ocfs2_dir_entry *prev_de;
 	char *de_buf, *limit;
-	unsigned int bytes = new_size - old_size;
+	unsigned int new_size = sb->s_blocksize;
+	unsigned int bytes;
+
+	if (ocfs2_supports_dir_trailer(OCFS2_SB(sb)))
+		new_size = ocfs2_dir_trailer_blk_off(sb);
+
+	bytes = new_size - old_size;
 
 	limit = start + old_size;
 	de_buf = start;
@@ -1216,9 +1398,9 @@
 				   unsigned int blocks_wanted,
 				   struct buffer_head **first_block_bh)
 {
-	int ret, credits = OCFS2_INLINE_TO_EXTENTS_CREDITS;
 	u32 alloc, bit_off, len;
 	struct super_block *sb = dir->i_sb;
+	int ret, credits = ocfs2_inline_to_extents_credits(sb);
 	u64 blkno, bytes = blocks_wanted << sb->s_blocksize_bits;
 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
 	struct ocfs2_inode_info *oi = OCFS2_I(dir);
@@ -1227,6 +1409,7 @@
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
 	handle_t *handle;
 	struct ocfs2_extent_tree et;
+	int did_quota = 0;
 
 	ocfs2_init_dinode_extent_tree(&et, dir, di_bh);
 
@@ -1264,6 +1447,12 @@
 		goto out_sem;
 	}
 
+	if (vfs_dq_alloc_space_nodirty(dir,
+				ocfs2_clusters_to_bytes(osb->sb, alloc))) {
+		ret = -EDQUOT;
+		goto out_commit;
+	}
+	did_quota = 1;
 	/*
 	 * Try to claim as many clusters as the bitmap can give though
 	 * if we only get one now, that's enough to continue. The rest
@@ -1290,8 +1479,8 @@
 
 	ocfs2_set_new_buffer_uptodate(dir, dirdata_bh);
 
-	ret = ocfs2_journal_access(handle, dir, dirdata_bh,
-				   OCFS2_JOURNAL_ACCESS_CREATE);
+	ret = ocfs2_journal_access_db(handle, dir, dirdata_bh,
+				      OCFS2_JOURNAL_ACCESS_CREATE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out_commit;
@@ -1300,8 +1489,9 @@
 	memcpy(dirdata_bh->b_data, di->id2.i_data.id_data, i_size_read(dir));
 	memset(dirdata_bh->b_data + i_size_read(dir), 0,
 	       sb->s_blocksize - i_size_read(dir));
-	ocfs2_expand_last_dirent(dirdata_bh->b_data, i_size_read(dir),
-				 sb->s_blocksize);
+	ocfs2_expand_last_dirent(dirdata_bh->b_data, i_size_read(dir), sb);
+	if (ocfs2_supports_dir_trailer(osb))
+		ocfs2_init_dir_trailer(dir, dirdata_bh);
 
 	ret = ocfs2_journal_dirty(handle, dirdata_bh);
 	if (ret) {
@@ -1317,8 +1507,8 @@
 	 * We let the later dirent insert modify c/mtime - to the user
 	 * the data hasn't changed.
 	 */
-	ret = ocfs2_journal_access(handle, dir, di_bh,
-				   OCFS2_JOURNAL_ACCESS_CREATE);
+	ret = ocfs2_journal_access_di(handle, dir, di_bh,
+				      OCFS2_JOURNAL_ACCESS_CREATE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out_commit;
@@ -1386,6 +1576,9 @@
 	dirdata_bh = NULL;
 
 out_commit:
+	if (ret < 0 && did_quota)
+		vfs_dq_free_space_nodirty(dir,
+			ocfs2_clusters_to_bytes(osb->sb, 2));
 	ocfs2_commit_trans(osb, handle);
 
 out_sem:
@@ -1410,7 +1603,7 @@
 			       struct buffer_head **new_bh)
 {
 	int status;
-	int extend;
+	int extend, did_quota = 0;
 	u64 p_blkno, v_blkno;
 
 	spin_lock(&OCFS2_I(dir)->ip_lock);
@@ -1420,6 +1613,13 @@
 	if (extend) {
 		u32 offset = OCFS2_I(dir)->ip_clusters;
 
+		if (vfs_dq_alloc_space_nodirty(dir,
+					ocfs2_clusters_to_bytes(sb, 1))) {
+			status = -EDQUOT;
+			goto bail;
+		}
+		did_quota = 1;
+
 		status = ocfs2_add_inode_data(OCFS2_SB(sb), dir, &offset,
 					      1, 0, parent_fe_bh, handle,
 					      data_ac, meta_ac, NULL);
@@ -1445,6 +1645,8 @@
 	}
 	status = 0;
 bail:
+	if (did_quota && status < 0)
+		vfs_dq_free_space_nodirty(dir, ocfs2_clusters_to_bytes(sb, 1));
 	mlog_exit(status);
 	return status;
 }
@@ -1569,16 +1771,22 @@
 
 	ocfs2_set_new_buffer_uptodate(dir, new_bh);
 
-	status = ocfs2_journal_access(handle, dir, new_bh,
-				      OCFS2_JOURNAL_ACCESS_CREATE);
+	status = ocfs2_journal_access_db(handle, dir, new_bh,
+					 OCFS2_JOURNAL_ACCESS_CREATE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 	memset(new_bh->b_data, 0, sb->s_blocksize);
+
 	de = (struct ocfs2_dir_entry *) new_bh->b_data;
 	de->inode = 0;
-	de->rec_len = cpu_to_le16(sb->s_blocksize);
+	if (ocfs2_dir_has_trailer(dir)) {
+		de->rec_len = cpu_to_le16(ocfs2_dir_trailer_blk_off(sb));
+		ocfs2_init_dir_trailer(dir, new_bh);
+	} else {
+		de->rec_len = cpu_to_le16(sb->s_blocksize);
+	}
 	status = ocfs2_journal_dirty(handle, new_bh);
 	if (status < 0) {
 		mlog_errno(status);
@@ -1620,11 +1828,21 @@
 				   unsigned int *blocks_wanted)
 {
 	int ret;
+	struct super_block *sb = dir->i_sb;
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
 	struct ocfs2_dir_entry *de, *last_de = NULL;
 	char *de_buf, *limit;
 	unsigned long offset = 0;
-	unsigned int rec_len, new_rec_len;
+	unsigned int rec_len, new_rec_len, free_space = dir->i_sb->s_blocksize;
+
+	/*
+	 * This calculates how many free bytes we'd have in block zero, should
+	 * this function force expansion to an extent tree.
+	 */
+	if (ocfs2_supports_dir_trailer(OCFS2_SB(sb)))
+		free_space = ocfs2_dir_trailer_blk_off(sb) - i_size_read(dir);
+	else
+		free_space = dir->i_sb->s_blocksize - i_size_read(dir);
 
 	de_buf = di->id2.i_data.id_data;
 	limit = de_buf + i_size_read(dir);
@@ -1641,6 +1859,11 @@
 			ret = -EEXIST;
 			goto out;
 		}
+		/*
+		 * No need to check for a trailing dirent record here as
+		 * they're not used for inline dirs.
+		 */
+
 		if (ocfs2_dirent_would_fit(de, rec_len)) {
 			/* Ok, we found a spot. Return this bh and let
 			 * the caller actually fill it in. */
@@ -1661,7 +1884,7 @@
 	 * dirent can be found.
 	 */
 	*blocks_wanted = 1;
-	new_rec_len = le16_to_cpu(last_de->rec_len) + (dir->i_sb->s_blocksize - i_size_read(dir));
+	new_rec_len = le16_to_cpu(last_de->rec_len) + free_space;
 	if (new_rec_len < (rec_len + OCFS2_DIR_REC_LEN(last_de->name_len)))
 		*blocks_wanted = 2;
 
@@ -1679,9 +1902,10 @@
 	struct ocfs2_dir_entry *de;
 	struct super_block *sb = dir->i_sb;
 	int status;
+	int blocksize = dir->i_sb->s_blocksize;
 
-	bh = ocfs2_bread(dir, 0, &status, 0);
-	if (!bh) {
+	status = ocfs2_read_dir_block(dir, 0, &bh, 0);
+	if (status) {
 		mlog_errno(status);
 		goto bail;
 	}
@@ -1702,11 +1926,10 @@
 				status = -ENOSPC;
 				goto bail;
 			}
-			bh = ocfs2_bread(dir,
-					 offset >> sb->s_blocksize_bits,
-					 &status,
-					 0);
-			if (!bh) {
+			status = ocfs2_read_dir_block(dir,
+					     offset >> sb->s_blocksize_bits,
+					     &bh, 0);
+			if (status) {
 				mlog_errno(status);
 				goto bail;
 			}
@@ -1721,6 +1944,11 @@
 			status = -EEXIST;
 			goto bail;
 		}
+
+		if (ocfs2_skip_dir_trailer(dir, de, offset % blocksize,
+					   blocksize))
+			goto next;
+
 		if (ocfs2_dirent_would_fit(de, rec_len)) {
 			/* Ok, we found a spot. Return this bh and let
 			 * the caller actually fill it in. */
@@ -1729,6 +1957,7 @@
 			status = 0;
 			goto bail;
 		}
+next:
 		offset += le16_to_cpu(de->rec_len);
 		de = (struct ocfs2_dir_entry *)((char *) de + le16_to_cpu(de->rec_len));
 	}
diff --git a/fs/ocfs2/dir.h b/fs/ocfs2/dir.h
index ce48b90..c511e2e 100644
--- a/fs/ocfs2/dir.h
+++ b/fs/ocfs2/dir.h
@@ -83,4 +83,6 @@
 		       struct buffer_head *fe_bh,
 		       struct ocfs2_alloc_context *data_ac);
 
+struct ocfs2_dir_block_trailer *ocfs2_dir_trailer_from_size(int blocksize,
+							    void *data);
 #endif /* OCFS2_DIR_H */
diff --git a/fs/ocfs2/dlm/dlmast.c b/fs/ocfs2/dlm/dlmast.c
index 644bee5..d07ddbe 100644
--- a/fs/ocfs2/dlm/dlmast.c
+++ b/fs/ocfs2/dlm/dlmast.c
@@ -275,6 +275,7 @@
 	struct list_head *iter, *head=NULL;
 	u64 cookie;
 	u32 flags;
+	u8 node;
 
 	if (!dlm_grab(dlm)) {
 		dlm_error(DLM_REJECTED);
@@ -286,18 +287,21 @@
 
 	name = past->name;
 	locklen = past->namelen;
-	cookie = be64_to_cpu(past->cookie);
+	cookie = past->cookie;
 	flags = be32_to_cpu(past->flags);
+	node = past->node_idx;
 
 	if (locklen > DLM_LOCKID_NAME_MAX) {
 		ret = DLM_IVBUFLEN;
-		mlog(ML_ERROR, "Invalid name length in proxy ast handler!\n");
+		mlog(ML_ERROR, "Invalid name length (%d) in proxy ast "
+		     "handler!\n", locklen);
 		goto leave;
 	}
 
 	if ((flags & (LKM_PUT_LVB|LKM_GET_LVB)) ==
 	     (LKM_PUT_LVB|LKM_GET_LVB)) {
-		mlog(ML_ERROR, "both PUT and GET lvb specified\n");
+		mlog(ML_ERROR, "Both PUT and GET lvb specified, (0x%x)\n",
+		     flags);
 		ret = DLM_BADARGS;
 		goto leave;
 	}
@@ -310,22 +314,21 @@
 	if (past->type != DLM_AST &&
 	    past->type != DLM_BAST) {
 		mlog(ML_ERROR, "Unknown ast type! %d, cookie=%u:%llu"
-		     "name=%.*s\n", past->type, 
-		     dlm_get_lock_cookie_node(cookie),
-		     dlm_get_lock_cookie_seq(cookie),
-		     locklen, name);
+		     "name=%.*s, node=%u\n", past->type,
+		     dlm_get_lock_cookie_node(be64_to_cpu(cookie)),
+		     dlm_get_lock_cookie_seq(be64_to_cpu(cookie)),
+		     locklen, name, node);
 		ret = DLM_IVLOCKID;
 		goto leave;
 	}
 
 	res = dlm_lookup_lockres(dlm, name, locklen);
 	if (!res) {
-		mlog(0, "got %sast for unknown lockres! "
-		     "cookie=%u:%llu, name=%.*s, namelen=%u\n",
-		     past->type == DLM_AST ? "" : "b",
-		     dlm_get_lock_cookie_node(cookie),
-		     dlm_get_lock_cookie_seq(cookie),
-		     locklen, name, locklen);
+		mlog(0, "Got %sast for unknown lockres! cookie=%u:%llu, "
+		     "name=%.*s, node=%u\n", (past->type == DLM_AST ? "" : "b"),
+		     dlm_get_lock_cookie_node(be64_to_cpu(cookie)),
+		     dlm_get_lock_cookie_seq(be64_to_cpu(cookie)),
+		     locklen, name, node);
 		ret = DLM_IVLOCKID;
 		goto leave;
 	}
@@ -337,12 +340,12 @@
 
 	spin_lock(&res->spinlock);
 	if (res->state & DLM_LOCK_RES_RECOVERING) {
-		mlog(0, "responding with DLM_RECOVERING!\n");
+		mlog(0, "Responding with DLM_RECOVERING!\n");
 		ret = DLM_RECOVERING;
 		goto unlock_out;
 	}
 	if (res->state & DLM_LOCK_RES_MIGRATING) {
-		mlog(0, "responding with DLM_MIGRATING!\n");
+		mlog(0, "Responding with DLM_MIGRATING!\n");
 		ret = DLM_MIGRATING;
 		goto unlock_out;
 	}
@@ -351,7 +354,7 @@
 	lock = NULL;
 	list_for_each(iter, head) {
 		lock = list_entry (iter, struct dlm_lock, list);
-		if (be64_to_cpu(lock->ml.cookie) == cookie)
+		if (lock->ml.cookie == cookie)
 			goto do_ast;
 	}
 
@@ -363,15 +366,15 @@
 
 	list_for_each(iter, head) {
 		lock = list_entry (iter, struct dlm_lock, list);
-		if (be64_to_cpu(lock->ml.cookie) == cookie)
+		if (lock->ml.cookie == cookie)
 			goto do_ast;
 	}
 
-	mlog(0, "got %sast for unknown lock!  cookie=%u:%llu, "
-	     "name=%.*s, namelen=%u\n", past->type == DLM_AST ? "" : "b", 
-	     dlm_get_lock_cookie_node(cookie),
-	     dlm_get_lock_cookie_seq(cookie),
-	     locklen, name, locklen);
+	mlog(0, "Got %sast for unknown lock! cookie=%u:%llu, name=%.*s, "
+	     "node=%u\n", past->type == DLM_AST ? "" : "b",
+	     dlm_get_lock_cookie_node(be64_to_cpu(cookie)),
+	     dlm_get_lock_cookie_seq(be64_to_cpu(cookie)),
+	     locklen, name, node);
 
 	ret = DLM_NORMAL;
 unlock_out:
@@ -383,8 +386,8 @@
 	if (past->type == DLM_AST) {
 		/* do not alter lock refcount.  switching lists. */
 		list_move_tail(&lock->list, &res->granted);
-		mlog(0, "ast: adding to granted list... type=%d, "
-			  "convert_type=%d\n", lock->ml.type, lock->ml.convert_type);
+		mlog(0, "ast: Adding to granted list... type=%d, "
+		     "convert_type=%d\n", lock->ml.type, lock->ml.convert_type);
 		if (lock->ml.convert_type != LKM_IVMODE) {
 			lock->ml.type = lock->ml.convert_type;
 			lock->ml.convert_type = LKM_IVMODE;
@@ -408,7 +411,6 @@
 		dlm_do_local_bast(dlm, res, lock, past->blocked_type);
 
 leave:
-
 	if (res)
 		dlm_lockres_put(res);
 
diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index d5a86fb..bb53714 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -140,6 +140,7 @@
 	unsigned int purge_count;
 	spinlock_t spinlock;
 	spinlock_t ast_lock;
+	spinlock_t track_lock;
 	char *name;
 	u8 node_num;
 	u32 key;
@@ -316,6 +317,8 @@
 	 * put on a list for the dlm thread to run. */
 	unsigned long    last_used;
 
+	struct dlm_ctxt *dlm;
+
 	unsigned migration_pending:1;
 	atomic_t asts_reserved;
 	spinlock_t spinlock;
diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c
index 1b81dcb..b32f60a 100644
--- a/fs/ocfs2/dlm/dlmdebug.c
+++ b/fs/ocfs2/dlm/dlmdebug.c
@@ -630,43 +630,38 @@
 {
 	struct debug_lockres *dl = m->private;
 	struct dlm_ctxt *dlm = dl->dl_ctxt;
+	struct dlm_lock_resource *oldres = dl->dl_res;
 	struct dlm_lock_resource *res = NULL;
+	struct list_head *track_list;
 
-	spin_lock(&dlm->spinlock);
+	spin_lock(&dlm->track_lock);
+	if (oldres)
+		track_list = &oldres->tracking;
+	else
+		track_list = &dlm->tracking_list;
 
-	if (dl->dl_res) {
-		list_for_each_entry(res, &dl->dl_res->tracking, tracking) {
-			if (dl->dl_res) {
-				dlm_lockres_put(dl->dl_res);
-				dl->dl_res = NULL;
-			}
-			if (&res->tracking == &dlm->tracking_list) {
-				mlog(0, "End of list found, %p\n", res);
-				dl = NULL;
-				break;
-			}
+	list_for_each_entry(res, track_list, tracking) {
+		if (&res->tracking == &dlm->tracking_list)
+			res = NULL;
+		else
 			dlm_lockres_get(res);
-			dl->dl_res = res;
-			break;
-		}
-	} else {
-		if (!list_empty(&dlm->tracking_list)) {
-			list_for_each_entry(res, &dlm->tracking_list, tracking)
-				break;
-			dlm_lockres_get(res);
-			dl->dl_res = res;
-		} else
-			dl = NULL;
+		break;
 	}
+	spin_unlock(&dlm->track_lock);
 
-	if (dl) {
-		spin_lock(&dl->dl_res->spinlock);
-		dump_lockres(dl->dl_res, dl->dl_buf, dl->dl_len - 1);
-		spin_unlock(&dl->dl_res->spinlock);
-	}
+	if (oldres)
+		dlm_lockres_put(oldres);
 
-	spin_unlock(&dlm->spinlock);
+	dl->dl_res = res;
 
+	if (res) {
+		spin_lock(&res->spinlock);
+		dump_lockres(res, dl->dl_buf, dl->dl_len - 1);
+		spin_unlock(&res->spinlock);
+	} else
+		dl = NULL;
+
+	/* passed to seq_show */
 	return dl;
 }
 
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 63f8125..d8d578f 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -1550,6 +1550,7 @@
 	spin_lock_init(&dlm->spinlock);
 	spin_lock_init(&dlm->master_lock);
 	spin_lock_init(&dlm->ast_lock);
+	spin_lock_init(&dlm->track_lock);
 	INIT_LIST_HEAD(&dlm->list);
 	INIT_LIST_HEAD(&dlm->dirty_list);
 	INIT_LIST_HEAD(&dlm->reco.resources);
diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c
index 6f7a77d..1c9efb4 100644
--- a/fs/ocfs2/dlm/dlmfs.c
+++ b/fs/ocfs2/dlm/dlmfs.c
@@ -341,7 +341,6 @@
 		inode->i_mode = mode;
 		inode->i_uid = current_fsuid();
 		inode->i_gid = current_fsgid();
-		inode->i_blocks = 0;
 		inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 		inc_nlink(inode);
@@ -367,7 +366,6 @@
 	inode->i_mode = mode;
 	inode->i_uid = current_fsuid();
 	inode->i_gid = current_fsgid();
-	inode->i_blocks = 0;
 	inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 44f87ca..54e182a 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -505,8 +505,10 @@
 static void dlm_lockres_release(struct kref *kref)
 {
 	struct dlm_lock_resource *res;
+	struct dlm_ctxt *dlm;
 
 	res = container_of(kref, struct dlm_lock_resource, refs);
+	dlm = res->dlm;
 
 	/* This should not happen -- all lockres' have a name
 	 * associated with them at init time. */
@@ -515,6 +517,7 @@
 	mlog(0, "destroying lockres %.*s\n", res->lockname.len,
 	     res->lockname.name);
 
+	spin_lock(&dlm->track_lock);
 	if (!list_empty(&res->tracking))
 		list_del_init(&res->tracking);
 	else {
@@ -522,6 +525,9 @@
 		     res->lockname.len, res->lockname.name);
 		dlm_print_one_lock_resource(res);
 	}
+	spin_unlock(&dlm->track_lock);
+
+	dlm_put(dlm);
 
 	if (!hlist_unhashed(&res->hash_node) ||
 	    !list_empty(&res->granted) ||
@@ -595,6 +601,10 @@
 	res->migration_pending = 0;
 	res->inflight_locks = 0;
 
+	/* put in dlm_lockres_release */
+	dlm_grab(dlm);
+	res->dlm = dlm;
+
 	kref_init(&res->refs);
 
 	/* just for consistency */
@@ -722,14 +732,21 @@
 	if (tmpres) {
 		int dropping_ref = 0;
 
+		spin_unlock(&dlm->spinlock);
+
 		spin_lock(&tmpres->spinlock);
+		/* We wait for the other thread that is mastering the resource */
+		if (tmpres->owner == DLM_LOCK_RES_OWNER_UNKNOWN) {
+			__dlm_wait_on_lockres(tmpres);
+			BUG_ON(tmpres->owner == DLM_LOCK_RES_OWNER_UNKNOWN);
+		}
+
 		if (tmpres->owner == dlm->node_num) {
 			BUG_ON(tmpres->state & DLM_LOCK_RES_DROPPING_REF);
 			dlm_lockres_grab_inflight_ref(dlm, tmpres);
 		} else if (tmpres->state & DLM_LOCK_RES_DROPPING_REF)
 			dropping_ref = 1;
 		spin_unlock(&tmpres->spinlock);
-		spin_unlock(&dlm->spinlock);
 
 		/* wait until done messaging the master, drop our ref to allow
 		 * the lockres to be purged, start over. */
@@ -2949,7 +2966,7 @@
 				  struct dlm_node_iter *iter)
 {
 	struct dlm_migrate_request migrate;
-	int ret, status = 0;
+	int ret, skip, status = 0;
 	int nodenum;
 
 	memset(&migrate, 0, sizeof(migrate));
@@ -2966,12 +2983,27 @@
 		    nodenum == new_master)
 			continue;
 
+		/* We could race exit domain. If exited, skip. */
+		spin_lock(&dlm->spinlock);
+		skip = (!test_bit(nodenum, dlm->domain_map));
+		spin_unlock(&dlm->spinlock);
+		if (skip) {
+			clear_bit(nodenum, iter->node_map);
+			continue;
+		}
+
 		ret = o2net_send_message(DLM_MIGRATE_REQUEST_MSG, dlm->key,
 					 &migrate, sizeof(migrate), nodenum,
 					 &status);
-		if (ret < 0)
-			mlog_errno(ret);
-		else if (status < 0) {
+		if (ret < 0) {
+			mlog(0, "migrate_request returned %d!\n", ret);
+			if (!dlm_is_host_down(ret)) {
+				mlog(ML_ERROR, "unhandled error=%d!\n", ret);
+				BUG();
+			}
+			clear_bit(nodenum, iter->node_map);
+			ret = 0;
+		} else if (status < 0) {
 			mlog(0, "migrate request (node %u) returned %d!\n",
 			     nodenum, status);
 			ret = status;
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 4060bb3..d129520 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -181,7 +181,8 @@
 
 		spin_lock(&res->spinlock);
 		/* This ensures that clear refmap is sent after the set */
-		__dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_SETREF_INPROG);
+		__dlm_wait_on_lockres_flags(res, (DLM_LOCK_RES_SETREF_INPROG |
+						  DLM_LOCK_RES_MIGRATING));
 		spin_unlock(&res->spinlock);
 
 		/* clear our bit from the master's refmap, ignore errors */
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 6e6cc0a..f731ab4 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -32,6 +32,7 @@
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/time.h>
+#include <linux/quotaops.h>
 
 #define MLOG_MASK_PREFIX ML_DLM_GLUE
 #include <cluster/masklog.h>
@@ -51,6 +52,7 @@
 #include "slot_map.h"
 #include "super.h"
 #include "uptodate.h"
+#include "quota.h"
 
 #include "buffer_head_io.h"
 
@@ -68,6 +70,7 @@
 static struct ocfs2_super *ocfs2_get_dentry_osb(struct ocfs2_lock_res *lockres);
 static struct ocfs2_super *ocfs2_get_inode_osb(struct ocfs2_lock_res *lockres);
 static struct ocfs2_super *ocfs2_get_file_osb(struct ocfs2_lock_res *lockres);
+static struct ocfs2_super *ocfs2_get_qinfo_osb(struct ocfs2_lock_res *lockres);
 
 /*
  * Return value from ->downconvert_worker functions.
@@ -102,6 +105,7 @@
 static void ocfs2_dentry_post_unlock(struct ocfs2_super *osb,
 				     struct ocfs2_lock_res *lockres);
 
+static void ocfs2_set_qinfo_lvb(struct ocfs2_lock_res *lockres);
 
 #define mlog_meta_lvb(__level, __lockres) ocfs2_dump_meta_lvb_info(__level, __PRETTY_FUNCTION__, __LINE__, __lockres)
 
@@ -111,8 +115,7 @@
 				     unsigned int line,
 				     struct ocfs2_lock_res *lockres)
 {
-	struct ocfs2_meta_lvb *lvb =
-		(struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb);
+	struct ocfs2_meta_lvb *lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
 
 	mlog(level, "LVB information for %s (called from %s:%u):\n",
 	     lockres->l_name, function, line);
@@ -258,6 +261,12 @@
 	.flags		= 0,
 };
 
+static struct ocfs2_lock_res_ops ocfs2_qinfo_lops = {
+	.set_lvb	= ocfs2_set_qinfo_lvb,
+	.get_osb	= ocfs2_get_qinfo_osb,
+	.flags		= LOCK_TYPE_REQUIRES_REFRESH | LOCK_TYPE_USES_LVB,
+};
+
 static inline int ocfs2_is_inode_lock(struct ocfs2_lock_res *lockres)
 {
 	return lockres->l_type == OCFS2_LOCK_TYPE_META ||
@@ -279,6 +288,13 @@
 	return (struct ocfs2_dentry_lock *)lockres->l_priv;
 }
 
+static inline struct ocfs2_mem_dqinfo *ocfs2_lock_res_qinfo(struct ocfs2_lock_res *lockres)
+{
+	BUG_ON(lockres->l_type != OCFS2_LOCK_TYPE_QINFO);
+
+	return (struct ocfs2_mem_dqinfo *)lockres->l_priv;
+}
+
 static inline struct ocfs2_super *ocfs2_get_lockres_osb(struct ocfs2_lock_res *lockres)
 {
 	if (lockres->l_ops->get_osb)
@@ -507,6 +523,13 @@
 	return OCFS2_SB(inode->i_sb);
 }
 
+static struct ocfs2_super *ocfs2_get_qinfo_osb(struct ocfs2_lock_res *lockres)
+{
+	struct ocfs2_mem_dqinfo *info = lockres->l_priv;
+
+	return OCFS2_SB(info->dqi_gi.dqi_sb);
+}
+
 static struct ocfs2_super *ocfs2_get_file_osb(struct ocfs2_lock_res *lockres)
 {
 	struct ocfs2_file_private *fp = lockres->l_priv;
@@ -609,6 +632,17 @@
 	lockres->l_flags |= OCFS2_LOCK_NOCACHE;
 }
 
+void ocfs2_qinfo_lock_res_init(struct ocfs2_lock_res *lockres,
+			       struct ocfs2_mem_dqinfo *info)
+{
+	ocfs2_lock_res_init_once(lockres);
+	ocfs2_build_lock_name(OCFS2_LOCK_TYPE_QINFO, info->dqi_gi.dqi_type,
+			      0, lockres->l_name);
+	ocfs2_lock_res_init_common(OCFS2_SB(info->dqi_gi.dqi_sb), lockres,
+				   OCFS2_LOCK_TYPE_QINFO, &ocfs2_qinfo_lops,
+				   info);
+}
+
 void ocfs2_lock_res_free(struct ocfs2_lock_res *res)
 {
 	mlog_entry_void();
@@ -1829,7 +1863,7 @@
 
 	mlog_entry_void();
 
-	lvb = (struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb);
+	lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
 
 	/*
 	 * Invalidate the LVB of a deleted inode - this way other
@@ -1881,7 +1915,7 @@
 
 	mlog_meta_lvb(0, lockres);
 
-	lvb = (struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb);
+	lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
 
 	/* We're safe here without the lockres lock... */
 	spin_lock(&oi->ip_lock);
@@ -1916,8 +1950,7 @@
 static inline int ocfs2_meta_lvb_is_trustable(struct inode *inode,
 					      struct ocfs2_lock_res *lockres)
 {
-	struct ocfs2_meta_lvb *lvb =
-		(struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb);
+	struct ocfs2_meta_lvb *lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
 
 	if (lvb->lvb_version == OCFS2_LVB_VERSION
 	    && be32_to_cpu(lvb->lvb_igeneration) == inode->i_generation)
@@ -2024,7 +2057,7 @@
 	} else {
 		/* Boo, we have to go to disk. */
 		/* read bh, cast, ocfs2_refresh_inode */
-		status = ocfs2_read_block(inode, oi->ip_blkno, bh);
+		status = ocfs2_read_inode_block(inode, bh);
 		if (status < 0) {
 			mlog_errno(status);
 			goto bail_refresh;
@@ -2032,18 +2065,14 @@
 		fe = (struct ocfs2_dinode *) (*bh)->b_data;
 
 		/* This is a good chance to make sure we're not
-		 * locking an invalid object.
+		 * locking an invalid object.  ocfs2_read_inode_block()
+		 * already checked that the inode block is sane.
 		 *
 		 * We bug on a stale inode here because we checked
 		 * above whether it was wiped from disk. The wiping
 		 * node provides a guarantee that we receive that
 		 * message and can mark the inode before dropping any
 		 * locks associated with it. */
-		if (!OCFS2_IS_VALID_DINODE(fe)) {
-			OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe);
-			status = -EIO;
-			goto bail_refresh;
-		}
 		mlog_bug_on_msg(inode->i_generation !=
 				le32_to_cpu(fe->i_generation),
 				"Invalid dinode %llu disk generation: %u "
@@ -2085,7 +2114,7 @@
 		return 0;
 	}
 
-	status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, ret_bh);
+	status = ocfs2_read_inode_block(inode, ret_bh);
 	if (status < 0)
 		mlog_errno(status);
 
@@ -3449,6 +3478,117 @@
 	return UNBLOCK_CONTINUE_POST;
 }
 
+static void ocfs2_set_qinfo_lvb(struct ocfs2_lock_res *lockres)
+{
+	struct ocfs2_qinfo_lvb *lvb;
+	struct ocfs2_mem_dqinfo *oinfo = ocfs2_lock_res_qinfo(lockres);
+	struct mem_dqinfo *info = sb_dqinfo(oinfo->dqi_gi.dqi_sb,
+					    oinfo->dqi_gi.dqi_type);
+
+	mlog_entry_void();
+
+	lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
+	lvb->lvb_version = OCFS2_QINFO_LVB_VERSION;
+	lvb->lvb_bgrace = cpu_to_be32(info->dqi_bgrace);
+	lvb->lvb_igrace = cpu_to_be32(info->dqi_igrace);
+	lvb->lvb_syncms = cpu_to_be32(oinfo->dqi_syncms);
+	lvb->lvb_blocks = cpu_to_be32(oinfo->dqi_gi.dqi_blocks);
+	lvb->lvb_free_blk = cpu_to_be32(oinfo->dqi_gi.dqi_free_blk);
+	lvb->lvb_free_entry = cpu_to_be32(oinfo->dqi_gi.dqi_free_entry);
+
+	mlog_exit_void();
+}
+
+void ocfs2_qinfo_unlock(struct ocfs2_mem_dqinfo *oinfo, int ex)
+{
+	struct ocfs2_lock_res *lockres = &oinfo->dqi_gqlock;
+	struct ocfs2_super *osb = OCFS2_SB(oinfo->dqi_gi.dqi_sb);
+	int level = ex ? DLM_LOCK_EX : DLM_LOCK_PR;
+
+	mlog_entry_void();
+	if (!ocfs2_is_hard_readonly(osb) && !ocfs2_mount_local(osb))
+		ocfs2_cluster_unlock(osb, lockres, level);
+	mlog_exit_void();
+}
+
+static int ocfs2_refresh_qinfo(struct ocfs2_mem_dqinfo *oinfo)
+{
+	struct mem_dqinfo *info = sb_dqinfo(oinfo->dqi_gi.dqi_sb,
+					    oinfo->dqi_gi.dqi_type);
+	struct ocfs2_lock_res *lockres = &oinfo->dqi_gqlock;
+	struct ocfs2_qinfo_lvb *lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
+	struct buffer_head *bh = NULL;
+	struct ocfs2_global_disk_dqinfo *gdinfo;
+	int status = 0;
+
+	if (lvb->lvb_version == OCFS2_QINFO_LVB_VERSION) {
+		info->dqi_bgrace = be32_to_cpu(lvb->lvb_bgrace);
+		info->dqi_igrace = be32_to_cpu(lvb->lvb_igrace);
+		oinfo->dqi_syncms = be32_to_cpu(lvb->lvb_syncms);
+		oinfo->dqi_gi.dqi_blocks = be32_to_cpu(lvb->lvb_blocks);
+		oinfo->dqi_gi.dqi_free_blk = be32_to_cpu(lvb->lvb_free_blk);
+		oinfo->dqi_gi.dqi_free_entry =
+					be32_to_cpu(lvb->lvb_free_entry);
+	} else {
+		status = ocfs2_read_quota_block(oinfo->dqi_gqinode, 0, &bh);
+		if (status) {
+			mlog_errno(status);
+			goto bail;
+		}
+		gdinfo = (struct ocfs2_global_disk_dqinfo *)
+					(bh->b_data + OCFS2_GLOBAL_INFO_OFF);
+		info->dqi_bgrace = le32_to_cpu(gdinfo->dqi_bgrace);
+		info->dqi_igrace = le32_to_cpu(gdinfo->dqi_igrace);
+		oinfo->dqi_syncms = le32_to_cpu(gdinfo->dqi_syncms);
+		oinfo->dqi_gi.dqi_blocks = le32_to_cpu(gdinfo->dqi_blocks);
+		oinfo->dqi_gi.dqi_free_blk = le32_to_cpu(gdinfo->dqi_free_blk);
+		oinfo->dqi_gi.dqi_free_entry =
+					le32_to_cpu(gdinfo->dqi_free_entry);
+		brelse(bh);
+		ocfs2_track_lock_refresh(lockres);
+	}
+
+bail:
+	return status;
+}
+
+/* Lock quota info, this function expects at least shared lock on the quota file
+ * so that we can safely refresh quota info from disk. */
+int ocfs2_qinfo_lock(struct ocfs2_mem_dqinfo *oinfo, int ex)
+{
+	struct ocfs2_lock_res *lockres = &oinfo->dqi_gqlock;
+	struct ocfs2_super *osb = OCFS2_SB(oinfo->dqi_gi.dqi_sb);
+	int level = ex ? DLM_LOCK_EX : DLM_LOCK_PR;
+	int status = 0;
+
+	mlog_entry_void();
+
+	/* On RO devices, locking really isn't needed... */
+	if (ocfs2_is_hard_readonly(osb)) {
+		if (ex)
+			status = -EROFS;
+		goto bail;
+	}
+	if (ocfs2_mount_local(osb))
+		goto bail;
+
+	status = ocfs2_cluster_lock(osb, lockres, level, 0, 0);
+	if (status < 0) {
+		mlog_errno(status);
+		goto bail;
+	}
+	if (!ocfs2_should_refresh_lock_res(lockres))
+		goto bail;
+	/* OK, we have the lock but we need to refresh the quota info */
+	status = ocfs2_refresh_qinfo(oinfo);
+	if (status)
+		ocfs2_qinfo_unlock(oinfo, ex);
+	ocfs2_complete_lock_res_refresh(lockres, status);
+bail:
+	mlog_exit(status);
+	return status;
+}
+
 /*
  * This is the filesystem locking protocol.  It provides the lock handling
  * hooks for the underlying DLM.  It has a maximum version number.
diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h
index 2bb01f0..3f8d998 100644
--- a/fs/ocfs2/dlmglue.h
+++ b/fs/ocfs2/dlmglue.h
@@ -49,6 +49,19 @@
 	__be32       lvb_reserved2;
 };
 
+#define OCFS2_QINFO_LVB_VERSION 1
+
+struct ocfs2_qinfo_lvb {
+	__u8	lvb_version;
+	__u8	lvb_reserved[3];
+	__be32	lvb_bgrace;
+	__be32	lvb_igrace;
+	__be32	lvb_syncms;
+	__be32	lvb_blocks;
+	__be32	lvb_free_blk;
+	__be32	lvb_free_entry;
+};
+
 /* ocfs2_inode_lock_full() 'arg_flags' flags */
 /* don't wait on recovery. */
 #define OCFS2_META_LOCK_RECOVERY	(0x01)
@@ -69,6 +82,9 @@
 struct ocfs2_file_private;
 void ocfs2_file_lock_res_init(struct ocfs2_lock_res *lockres,
 			      struct ocfs2_file_private *fp);
+struct ocfs2_mem_dqinfo;
+void ocfs2_qinfo_lock_res_init(struct ocfs2_lock_res *lockres,
+                               struct ocfs2_mem_dqinfo *info);
 void ocfs2_lock_res_free(struct ocfs2_lock_res *res);
 int ocfs2_create_new_inode_locks(struct inode *inode);
 int ocfs2_drop_inode_locks(struct inode *inode);
@@ -103,6 +119,9 @@
 void ocfs2_dentry_unlock(struct dentry *dentry, int ex);
 int ocfs2_file_lock(struct file *file, int ex, int trylock);
 void ocfs2_file_unlock(struct file *file);
+int ocfs2_qinfo_lock(struct ocfs2_mem_dqinfo *oinfo, int ex);
+void ocfs2_qinfo_unlock(struct ocfs2_mem_dqinfo *oinfo, int ex);
+
 
 void ocfs2_mark_lockres_freeing(struct ocfs2_lock_res *lockres);
 void ocfs2_simple_drop_lockres(struct ocfs2_super *osb,
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index 2baedac..f2bb1a0 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -293,7 +293,7 @@
 	struct ocfs2_extent_block *eb;
 	struct ocfs2_extent_list *el;
 
-	ret = ocfs2_read_block(inode, last_eb_blk, &eb_bh);
+	ret = ocfs2_read_extent_block(inode, last_eb_blk, &eb_bh);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -302,12 +302,6 @@
 	eb = (struct ocfs2_extent_block *) eb_bh->b_data;
 	el = &eb->h_list;
 
-	if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) {
-		ret = -EROFS;
-		OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb);
-		goto out;
-	}
-
 	if (el->l_tree_depth) {
 		ocfs2_error(inode->i_sb,
 			    "Inode %lu has non zero tree depth in "
@@ -381,23 +375,16 @@
 		if (le64_to_cpu(eb->h_next_leaf_blk) == 0ULL)
 			goto no_more_extents;
 
-		ret = ocfs2_read_block(inode,
-				       le64_to_cpu(eb->h_next_leaf_blk),
-				       &next_eb_bh);
+		ret = ocfs2_read_extent_block(inode,
+					      le64_to_cpu(eb->h_next_leaf_blk),
+					      &next_eb_bh);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
 		}
+
 		next_eb = (struct ocfs2_extent_block *)next_eb_bh->b_data;
-
-		if (!OCFS2_IS_VALID_EXTENT_BLOCK(next_eb)) {
-			ret = -EROFS;
-			OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, next_eb);
-			goto out;
-		}
-
 		el = &next_eb->h_list;
-
 		i = ocfs2_search_for_hole_index(el, v_cluster);
 	}
 
@@ -630,7 +617,7 @@
 	if (ret == 0)
 		goto out;
 
-	ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh);
+	ret = ocfs2_read_inode_block(inode, &di_bh);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -819,3 +806,74 @@
 
 	return ret;
 }
+
+int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr,
+			   struct buffer_head *bhs[], int flags,
+			   int (*validate)(struct super_block *sb,
+					   struct buffer_head *bh))
+{
+	int rc = 0;
+	u64 p_block, p_count;
+	int i, count, done = 0;
+
+	mlog_entry("(inode = %p, v_block = %llu, nr = %d, bhs = %p, "
+		   "flags = %x, validate = %p)\n",
+		   inode, (unsigned long long)v_block, nr, bhs, flags,
+		   validate);
+
+	if (((v_block + nr - 1) << inode->i_sb->s_blocksize_bits) >=
+	    i_size_read(inode)) {
+		BUG_ON(!(flags & OCFS2_BH_READAHEAD));
+		goto out;
+	}
+
+	while (done < nr) {
+		down_read(&OCFS2_I(inode)->ip_alloc_sem);
+		rc = ocfs2_extent_map_get_blocks(inode, v_block + done,
+						 &p_block, &p_count, NULL);
+		up_read(&OCFS2_I(inode)->ip_alloc_sem);
+		if (rc) {
+			mlog_errno(rc);
+			break;
+		}
+
+		if (!p_block) {
+			rc = -EIO;
+			mlog(ML_ERROR,
+			     "Inode #%llu contains a hole at offset %llu\n",
+			     (unsigned long long)OCFS2_I(inode)->ip_blkno,
+			     (unsigned long long)(v_block + done) <<
+			     inode->i_sb->s_blocksize_bits);
+			break;
+		}
+
+		count = nr - done;
+		if (p_count < count)
+			count = p_count;
+
+		/*
+		 * If the caller passed us bhs, they should have come
+		 * from a previous readahead call to this function.  Thus,
+		 * they should have the right b_blocknr.
+		 */
+		for (i = 0; i < count; i++) {
+			if (!bhs[done + i])
+				continue;
+			BUG_ON(bhs[done + i]->b_blocknr != (p_block + i));
+		}
+
+		rc = ocfs2_read_blocks(inode, p_block, count, bhs + done,
+				       flags, validate);
+		if (rc) {
+			mlog_errno(rc);
+			break;
+		}
+		done += count;
+	}
+
+out:
+	mlog_exit(rc);
+	return rc;
+}
+
+
diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h
index 1c4aa8b..b7dd973 100644
--- a/fs/ocfs2/extent_map.h
+++ b/fs/ocfs2/extent_map.h
@@ -57,4 +57,28 @@
 			     u32 *p_cluster, u32 *num_clusters,
 			     struct ocfs2_extent_list *el);
 
+int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr,
+			   struct buffer_head *bhs[], int flags,
+			   int (*validate)(struct super_block *sb,
+					   struct buffer_head *bh));
+static inline int ocfs2_read_virt_block(struct inode *inode, u64 v_block,
+					struct buffer_head **bh,
+					int (*validate)(struct super_block *sb,
+							struct buffer_head *bh))
+{
+	int status = 0;
+
+	if (bh == NULL) {
+		printk("ocfs2: bh == NULL\n");
+		status = -EINVAL;
+		goto bail;
+	}
+
+	status = ocfs2_read_virt_blocks(inode, v_block, 1, bh, 0, validate);
+
+bail:
+	return status;
+}
+
+
 #endif  /* _EXTENT_MAP_H */
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index e2570a3..e8f795f 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -35,6 +35,7 @@
 #include <linux/mount.h>
 #include <linux/writeback.h>
 #include <linux/falloc.h>
+#include <linux/quotaops.h>
 
 #define MLOG_MASK_PREFIX ML_INODE
 #include <cluster/masklog.h>
@@ -56,6 +57,8 @@
 #include "suballoc.h"
 #include "super.h"
 #include "xattr.h"
+#include "acl.h"
+#include "quota.h"
 
 #include "buffer_head_io.h"
 
@@ -253,8 +256,8 @@
 		goto out;
 	}
 
-	ret = ocfs2_journal_access(handle, inode, bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_di(handle, inode, bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out_commit;
@@ -303,9 +306,9 @@
 	return status;
 }
 
-static int ocfs2_simple_size_update(struct inode *inode,
-				    struct buffer_head *di_bh,
-				    u64 new_i_size)
+int ocfs2_simple_size_update(struct inode *inode,
+			     struct buffer_head *di_bh,
+			     u64 new_i_size)
 {
 	int ret;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
@@ -350,8 +353,8 @@
 		goto out;
 	}
 
-	status = ocfs2_journal_access(handle, inode, fe_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, inode, fe_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto out_commit;
@@ -401,12 +404,9 @@
 		   (unsigned long long)OCFS2_I(inode)->ip_blkno,
 		   (unsigned long long)new_i_size);
 
+	/* We trust di_bh because it comes from ocfs2_inode_lock(), which
+	 * already validated it */
 	fe = (struct ocfs2_dinode *) di_bh->b_data;
-	if (!OCFS2_IS_VALID_DINODE(fe)) {
-		OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe);
-		status = -EIO;
-		goto bail;
-	}
 
 	mlog_bug_on_msg(le64_to_cpu(fe->i_size) != i_size_read(inode),
 			"Inode %llu, inode i_size = %lld != di "
@@ -536,6 +536,7 @@
 	enum ocfs2_alloc_restarted why;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct ocfs2_extent_tree et;
+	int did_quota = 0;
 
 	mlog_entry("(clusters_to_add = %u)\n", clusters_to_add);
 
@@ -545,18 +546,12 @@
 	 */
 	BUG_ON(mark_unwritten && !ocfs2_sparse_alloc(osb));
 
-	status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh);
+	status = ocfs2_read_inode_block(inode, &bh);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
 	}
-
 	fe = (struct ocfs2_dinode *) bh->b_data;
-	if (!OCFS2_IS_VALID_DINODE(fe)) {
-		OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe);
-		status = -EIO;
-		goto leave;
-	}
 
 restart_all:
 	BUG_ON(le32_to_cpu(fe->i_clusters) != OCFS2_I(inode)->ip_clusters);
@@ -585,11 +580,18 @@
 	}
 
 restarted_transaction:
+	if (vfs_dq_alloc_space_nodirty(inode, ocfs2_clusters_to_bytes(osb->sb,
+	    clusters_to_add))) {
+		status = -EDQUOT;
+		goto leave;
+	}
+	did_quota = 1;
+
 	/* reserve a write to the file entry early on - that we if we
 	 * run out of credits in the allocation path, we can still
 	 * update i_size. */
-	status = ocfs2_journal_access(handle, inode, bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, inode, bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
@@ -622,6 +624,10 @@
 	spin_lock(&OCFS2_I(inode)->ip_lock);
 	clusters_to_add -= (OCFS2_I(inode)->ip_clusters - prev_clusters);
 	spin_unlock(&OCFS2_I(inode)->ip_lock);
+	/* Release unused quota reservation */
+	vfs_dq_free_space(inode,
+			ocfs2_clusters_to_bytes(osb->sb, clusters_to_add));
+	did_quota = 0;
 
 	if (why != RESTART_NONE && clusters_to_add) {
 		if (why == RESTART_META) {
@@ -654,6 +660,9 @@
 	     OCFS2_I(inode)->ip_clusters, (long long)i_size_read(inode));
 
 leave:
+	if (status < 0 && did_quota)
+		vfs_dq_free_space(inode,
+			ocfs2_clusters_to_bytes(osb->sb, clusters_to_add));
 	if (handle) {
 		ocfs2_commit_trans(osb, handle);
 		handle = NULL;
@@ -885,6 +894,9 @@
 	struct ocfs2_super *osb = OCFS2_SB(sb);
 	struct buffer_head *bh = NULL;
 	handle_t *handle = NULL;
+	int locked[MAXQUOTAS] = {0, 0};
+	int credits, qtype;
+	struct ocfs2_mem_dqinfo *oinfo;
 
 	mlog_entry("(0x%p, '%.*s')\n", dentry,
 	           dentry->d_name.len, dentry->d_name.name);
@@ -955,11 +967,47 @@
 		}
 	}
 
-	handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
-	if (IS_ERR(handle)) {
-		status = PTR_ERR(handle);
-		mlog_errno(status);
-		goto bail_unlock;
+	if ((attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
+	    (attr->ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
+		credits = OCFS2_INODE_UPDATE_CREDITS;
+		if (attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid
+		    && OCFS2_HAS_RO_COMPAT_FEATURE(sb,
+		    OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) {
+			oinfo = sb_dqinfo(sb, USRQUOTA)->dqi_priv;
+			status = ocfs2_lock_global_qf(oinfo, 1);
+			if (status < 0)
+				goto bail_unlock;
+			credits += ocfs2_calc_qinit_credits(sb, USRQUOTA) +
+				ocfs2_calc_qdel_credits(sb, USRQUOTA);
+			locked[USRQUOTA] = 1;
+		}
+		if (attr->ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid
+		    && OCFS2_HAS_RO_COMPAT_FEATURE(sb,
+		    OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) {
+			oinfo = sb_dqinfo(sb, GRPQUOTA)->dqi_priv;
+			status = ocfs2_lock_global_qf(oinfo, 1);
+			if (status < 0)
+				goto bail_unlock;
+			credits += ocfs2_calc_qinit_credits(sb, GRPQUOTA) +
+				   ocfs2_calc_qdel_credits(sb, GRPQUOTA);
+			locked[GRPQUOTA] = 1;
+		}
+		handle = ocfs2_start_trans(osb, credits);
+		if (IS_ERR(handle)) {
+			status = PTR_ERR(handle);
+			mlog_errno(status);
+			goto bail_unlock;
+		}
+		status = vfs_dq_transfer(inode, attr) ? -EDQUOT : 0;
+		if (status < 0)
+			goto bail_commit;
+	} else {
+		handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
+		if (IS_ERR(handle)) {
+			status = PTR_ERR(handle);
+			mlog_errno(status);
+			goto bail_unlock;
+		}
 	}
 
 	/*
@@ -982,6 +1030,12 @@
 bail_commit:
 	ocfs2_commit_trans(osb, handle);
 bail_unlock:
+	for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
+		if (!locked[qtype])
+			continue;
+		oinfo = sb_dqinfo(sb, qtype)->dqi_priv;
+		ocfs2_unlock_global_qf(oinfo, 1);
+	}
 	ocfs2_inode_unlock(inode, 1);
 bail_unlock_rw:
 	if (size_change)
@@ -989,6 +1043,12 @@
 bail:
 	brelse(bh);
 
+	if (!status && attr->ia_valid & ATTR_MODE) {
+		status = ocfs2_acl_chmod(inode);
+		if (status < 0)
+			mlog_errno(status);
+	}
+
 	mlog_exit(status);
 	return status;
 }
@@ -1035,7 +1095,7 @@
 		goto out;
 	}
 
-	ret = generic_permission(inode, mask, NULL);
+	ret = generic_permission(inode, mask, ocfs2_check_acl);
 
 	ocfs2_inode_unlock(inode, 0);
 out:
@@ -1061,8 +1121,8 @@
 		goto out;
 	}
 
-	ret = ocfs2_journal_access(handle, inode, bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_di(handle, inode, bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out_trans;
@@ -1128,9 +1188,8 @@
 {
 	int ret;
 	struct buffer_head *bh = NULL;
-	struct ocfs2_inode_info *oi = OCFS2_I(inode);
 
-	ret = ocfs2_read_block(inode, oi->ip_blkno, &bh);
+	ret = ocfs2_read_inode_block(inode, &bh);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
@@ -1156,8 +1215,7 @@
 	struct buffer_head *di_bh = NULL;
 
 	if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
-		ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno,
-				       &di_bh);
+		ret = ocfs2_read_inode_block(inode, &di_bh);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -1226,83 +1284,6 @@
 	return ret;
 }
 
-static int __ocfs2_remove_inode_range(struct inode *inode,
-				      struct buffer_head *di_bh,
-				      u32 cpos, u32 phys_cpos, u32 len,
-				      struct ocfs2_cached_dealloc_ctxt *dealloc)
-{
-	int ret;
-	u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos);
-	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-	struct inode *tl_inode = osb->osb_tl_inode;
-	handle_t *handle;
-	struct ocfs2_alloc_context *meta_ac = NULL;
-	struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
-	struct ocfs2_extent_tree et;
-
-	ocfs2_init_dinode_extent_tree(&et, inode, di_bh);
-
-	ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac);
-	if (ret) {
-		mlog_errno(ret);
-		return ret;
-	}
-
-	mutex_lock(&tl_inode->i_mutex);
-
-	if (ocfs2_truncate_log_needs_flush(osb)) {
-		ret = __ocfs2_flush_truncate_log(osb);
-		if (ret < 0) {
-			mlog_errno(ret);
-			goto out;
-		}
-	}
-
-	handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		mlog_errno(ret);
-		goto out;
-	}
-
-	ret = ocfs2_journal_access(handle, inode, di_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
-
-	ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac,
-				  dealloc);
-	if (ret) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
-
-	OCFS2_I(inode)->ip_clusters -= len;
-	di->i_clusters = cpu_to_le32(OCFS2_I(inode)->ip_clusters);
-
-	ret = ocfs2_journal_dirty(handle, di_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
-
-	ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len);
-	if (ret)
-		mlog_errno(ret);
-
-out_commit:
-	ocfs2_commit_trans(osb, handle);
-out:
-	mutex_unlock(&tl_inode->i_mutex);
-
-	if (meta_ac)
-		ocfs2_free_alloc_context(meta_ac);
-
-	return ret;
-}
-
 /*
  * Truncate a byte range, avoiding pages within partial clusters. This
  * preserves those pages for the zeroing code to write to.
@@ -1402,7 +1383,9 @@
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct ocfs2_cached_dealloc_ctxt dealloc;
 	struct address_space *mapping = inode->i_mapping;
+	struct ocfs2_extent_tree et;
 
+	ocfs2_init_dinode_extent_tree(&et, inode, di_bh);
 	ocfs2_init_dealloc_ctxt(&dealloc);
 
 	if (byte_len == 0)
@@ -1458,9 +1441,9 @@
 
 		/* Only do work for non-holes */
 		if (phys_cpos != 0) {
-			ret = __ocfs2_remove_inode_range(inode, di_bh, cpos,
-							 phys_cpos, alloc_size,
-							 &dealloc);
+			ret = ocfs2_remove_btree_range(inode, &et, cpos,
+						       phys_cpos, alloc_size,
+						       &dealloc);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;
diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h
index e92382c..172f9fb 100644
--- a/fs/ocfs2/file.h
+++ b/fs/ocfs2/file.h
@@ -51,6 +51,9 @@
 			 struct ocfs2_alloc_context *data_ac,
 			 struct ocfs2_alloc_context *meta_ac,
 			 enum ocfs2_alloc_restarted *reason_ret);
+int ocfs2_simple_size_update(struct inode *inode,
+			     struct buffer_head *di_bh,
+			     u64 new_i_size);
 int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size,
 			  u64 zero_to);
 int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 7aa00d5..229e707 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -28,6 +28,7 @@
 #include <linux/slab.h>
 #include <linux/highmem.h>
 #include <linux/pagemap.h>
+#include <linux/quotaops.h>
 
 #include <asm/byteorder.h>
 
@@ -37,6 +38,7 @@
 #include "ocfs2.h"
 
 #include "alloc.h"
+#include "blockcheck.h"
 #include "dlmglue.h"
 #include "extent_map.h"
 #include "file.h"
@@ -214,12 +216,11 @@
 	return 0;
 }
 
-int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
-		     	 int create_ino)
+void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
+			  int create_ino)
 {
 	struct super_block *sb;
 	struct ocfs2_super *osb;
-	int status = -EINVAL;
 	int use_plocks = 1;
 
 	mlog_entry("(0x%p, size:%llu)\n", inode,
@@ -232,25 +233,17 @@
 	    ocfs2_mount_local(osb) || !ocfs2_stack_supports_plocks())
 		use_plocks = 0;
 
-	/* this means that read_inode cannot create a superblock inode
-	 * today.  change if needed. */
-	if (!OCFS2_IS_VALID_DINODE(fe) ||
-	    !(fe->i_flags & cpu_to_le32(OCFS2_VALID_FL))) {
-		mlog(0, "Invalid dinode: i_ino=%lu, i_blkno=%llu, "
-		     "signature = %.*s, flags = 0x%x\n",
-		     inode->i_ino,
-		     (unsigned long long)le64_to_cpu(fe->i_blkno), 7,
-		     fe->i_signature, le32_to_cpu(fe->i_flags));
-		goto bail;
-	}
+	/*
+	 * These have all been checked by ocfs2_read_inode_block() or set
+	 * by ocfs2_mknod_locked(), so a failure is a code bug.
+	 */
+	BUG_ON(!OCFS2_IS_VALID_DINODE(fe));  /* This means that read_inode
+						cannot create a superblock
+						inode today.  change if
+						that is needed. */
+	BUG_ON(!(fe->i_flags & cpu_to_le32(OCFS2_VALID_FL)));
+	BUG_ON(le32_to_cpu(fe->i_fs_generation) != osb->fs_generation);
 
-	if (le32_to_cpu(fe->i_fs_generation) != osb->fs_generation) {
-		mlog(ML_ERROR, "file entry generation does not match "
-		     "superblock! osb->fs_generation=%x, "
-		     "fe->i_fs_generation=%x\n",
-		     osb->fs_generation, le32_to_cpu(fe->i_fs_generation));
-		goto bail;
-	}
 
 	OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters);
 	OCFS2_I(inode)->ip_attr = le32_to_cpu(fe->i_attr);
@@ -284,14 +277,18 @@
 
 	inode->i_nlink = le16_to_cpu(fe->i_links_count);
 
-	if (fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL))
+	if (fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) {
 		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SYSTEM_FILE;
+		inode->i_flags |= S_NOQUOTA;
+	}
 
 	if (fe->i_flags & cpu_to_le32(OCFS2_LOCAL_ALLOC_FL)) {
 		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_BITMAP;
 		mlog(0, "local alloc inode: i_ino=%lu\n", inode->i_ino);
 	} else if (fe->i_flags & cpu_to_le32(OCFS2_BITMAP_FL)) {
 		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_BITMAP;
+	} else if (fe->i_flags & cpu_to_le32(OCFS2_QUOTA_FL)) {
+		inode->i_flags |= S_NOQUOTA;
 	} else if (fe->i_flags & cpu_to_le32(OCFS2_SUPER_BLOCK_FL)) {
 		mlog(0, "superblock inode: i_ino=%lu\n", inode->i_ino);
 		/* we can't actually hit this as read_inode can't
@@ -354,10 +351,7 @@
 
 	ocfs2_set_inode_flags(inode);
 
-	status = 0;
-bail:
-	mlog_exit(status);
-	return status;
+	mlog_exit_void();
 }
 
 static int ocfs2_read_locked_inode(struct inode *inode,
@@ -460,11 +454,14 @@
 		}
 	}
 
-	if (can_lock)
-		status = ocfs2_read_blocks(inode, args->fi_blkno, 1, &bh,
-					   OCFS2_BH_IGNORE_CACHE);
-	else
+	if (can_lock) {
+		status = ocfs2_read_inode_block_full(inode, &bh,
+						     OCFS2_BH_IGNORE_CACHE);
+	} else {
 		status = ocfs2_read_blocks_sync(osb, args->fi_blkno, 1, &bh);
+		if (!status)
+			status = ocfs2_validate_inode_block(osb->sb, bh);
+	}
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -472,12 +469,6 @@
 
 	status = -EINVAL;
 	fe = (struct ocfs2_dinode *) bh->b_data;
-	if (!OCFS2_IS_VALID_DINODE(fe)) {
-		mlog(0, "Invalid dinode #%llu: signature = %.*s\n",
-		     (unsigned long long)args->fi_blkno, 7,
-		     fe->i_signature);
-		goto bail;
-	}
 
 	/*
 	 * This is a code bug. Right now the caller needs to
@@ -491,10 +482,9 @@
 
 	if (S_ISCHR(le16_to_cpu(fe->i_mode)) ||
 	    S_ISBLK(le16_to_cpu(fe->i_mode)))
-    		inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
+		inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
 
-	if (ocfs2_populate_inode(inode, fe, 0) < 0)
-		goto bail;
+	ocfs2_populate_inode(inode, fe, 0);
 
 	BUG_ON(args->fi_blkno != le64_to_cpu(fe->i_blkno));
 
@@ -547,8 +537,8 @@
 			goto out;
 		}
 
-		status = ocfs2_journal_access(handle, inode, fe_bh,
-					      OCFS2_JOURNAL_ACCESS_WRITE);
+		status = ocfs2_journal_access_di(handle, inode, fe_bh,
+						 OCFS2_JOURNAL_ACCESS_WRITE);
 		if (status < 0) {
 			mlog_errno(status);
 			goto out;
@@ -615,7 +605,8 @@
 		goto bail;
 	}
 
-	handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS);
+	handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS +
+					ocfs2_quota_trans_credits(inode->i_sb));
 	if (IS_ERR(handle)) {
 		status = PTR_ERR(handle);
 		mlog_errno(status);
@@ -630,8 +621,8 @@
 	}
 
 	/* set the inodes dtime */
-	status = ocfs2_journal_access(handle, inode, di_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, inode, di_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail_commit;
@@ -647,6 +638,7 @@
 	}
 
 	ocfs2_remove_from_cache(inode, di_bh);
+	vfs_dq_free_inode(inode);
 
 	status = ocfs2_free_dinode(handle, inode_alloc_inode,
 				   inode_alloc_bh, di);
@@ -929,7 +921,10 @@
 
 	mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino);
 
-	if (is_bad_inode(inode)) {
+	/* When we fail in read_inode() we mark inode as bad. The second test
+	 * catches the case when inode allocation fails before allocating
+	 * a block for inode. */
+	if (is_bad_inode(inode) || !OCFS2_I(inode)->ip_blkno) {
 		mlog(0, "Skipping delete of bad inode\n");
 		goto bail;
 	}
@@ -1195,8 +1190,8 @@
 	mlog_entry("(inode %llu)\n",
 		   (unsigned long long)OCFS2_I(inode)->ip_blkno);
 
-	status = ocfs2_journal_access(handle, inode, bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, inode, bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
@@ -1264,3 +1259,89 @@
 
 	spin_unlock(&OCFS2_I(inode)->ip_lock);
 }
+
+int ocfs2_validate_inode_block(struct super_block *sb,
+			       struct buffer_head *bh)
+{
+	int rc;
+	struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;
+
+	mlog(0, "Validating dinode %llu\n",
+	     (unsigned long long)bh->b_blocknr);
+
+	BUG_ON(!buffer_uptodate(bh));
+
+	/*
+	 * If the ecc fails, we return the error but otherwise
+	 * leave the filesystem running.  We know any error is
+	 * local to this block.
+	 */
+	rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &di->i_check);
+	if (rc) {
+		mlog(ML_ERROR, "Checksum failed for dinode %llu\n",
+		     (unsigned long long)bh->b_blocknr);
+		goto bail;
+	}
+
+	/*
+	 * Errors after here are fatal.
+	 */
+
+	rc = -EINVAL;
+
+	if (!OCFS2_IS_VALID_DINODE(di)) {
+		ocfs2_error(sb, "Invalid dinode #%llu: signature = %.*s\n",
+			    (unsigned long long)bh->b_blocknr, 7,
+			    di->i_signature);
+		goto bail;
+	}
+
+	if (le64_to_cpu(di->i_blkno) != bh->b_blocknr) {
+		ocfs2_error(sb, "Invalid dinode #%llu: i_blkno is %llu\n",
+			    (unsigned long long)bh->b_blocknr,
+			    (unsigned long long)le64_to_cpu(di->i_blkno));
+		goto bail;
+	}
+
+	if (!(di->i_flags & cpu_to_le32(OCFS2_VALID_FL))) {
+		ocfs2_error(sb,
+			    "Invalid dinode #%llu: OCFS2_VALID_FL not set\n",
+			    (unsigned long long)bh->b_blocknr);
+		goto bail;
+	}
+
+	if (le32_to_cpu(di->i_fs_generation) !=
+	    OCFS2_SB(sb)->fs_generation) {
+		ocfs2_error(sb,
+			    "Invalid dinode #%llu: fs_generation is %u\n",
+			    (unsigned long long)bh->b_blocknr,
+			    le32_to_cpu(di->i_fs_generation));
+		goto bail;
+	}
+
+	rc = 0;
+
+bail:
+	return rc;
+}
+
+int ocfs2_read_inode_block_full(struct inode *inode, struct buffer_head **bh,
+				int flags)
+{
+	int rc;
+	struct buffer_head *tmp = *bh;
+
+	rc = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, &tmp,
+			       flags, ocfs2_validate_inode_block);
+
+	/* If ocfs2_read_blocks() got us a new bh, pass it up. */
+	if (!rc && !*bh)
+		*bh = tmp;
+
+	return rc;
+}
+
+int ocfs2_read_inode_block(struct inode *inode, struct buffer_head **bh)
+{
+	return ocfs2_read_inode_block_full(inode, bh, 0);
+}
diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h
index 2f37af9..eb3c302 100644
--- a/fs/ocfs2/inode.h
+++ b/fs/ocfs2/inode.h
@@ -128,8 +128,8 @@
 			 int sysfile_type);
 int ocfs2_inode_init_private(struct inode *inode);
 int ocfs2_inode_revalidate(struct dentry *dentry);
-int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
-			 int create_ino);
+void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
+			  int create_ino);
 void ocfs2_read_inode(struct inode *inode);
 void ocfs2_read_inode2(struct inode *inode, void *opaque);
 ssize_t ocfs2_rw_direct(int rw, struct file *filp, char *buf,
@@ -142,6 +142,8 @@
 			   struct buffer_head *bh);
 int ocfs2_aio_read(struct file *file, struct kiocb *req, struct iocb *iocb);
 int ocfs2_aio_write(struct file *file, struct kiocb *req, struct iocb *iocb);
+struct buffer_head *ocfs2_bread(struct inode *inode,
+				int block, int *err, int reada);
 
 void ocfs2_set_inode_flags(struct inode *inode);
 void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi);
@@ -153,4 +155,16 @@
 	return (blkcnt_t)(OCFS2_I(inode)->ip_clusters << c_to_s_bits);
 }
 
+/* Validate that a bh contains a valid inode */
+int ocfs2_validate_inode_block(struct super_block *sb,
+			       struct buffer_head *bh);
+/*
+ * Read an inode block into *bh.  If *bh is NULL, a bh will be allocated.
+ * This is a cached read.  The inode will be validated with
+ * ocfs2_validate_inode_block().
+ */
+int ocfs2_read_inode_block(struct inode *inode, struct buffer_head **bh);
+/* The same, but can be passed OCFS2_BH_* flags */
+int ocfs2_read_inode_block_full(struct inode *inode, struct buffer_head **bh,
+				int flags);
 #endif /* OCFS2_INODE_H */
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 99fe9d5..57d7d25 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -35,6 +35,7 @@
 #include "ocfs2.h"
 
 #include "alloc.h"
+#include "blockcheck.h"
 #include "dir.h"
 #include "dlmglue.h"
 #include "extent_map.h"
@@ -45,6 +46,7 @@
 #include "slot_map.h"
 #include "super.h"
 #include "sysfile.h"
+#include "quota.h"
 
 #include "buffer_head_io.h"
 
@@ -52,10 +54,10 @@
 
 static int ocfs2_force_read_journal(struct inode *inode);
 static int ocfs2_recover_node(struct ocfs2_super *osb,
-			      int node_num);
+			      int node_num, int slot_num);
 static int __ocfs2_recovery_thread(void *arg);
 static int ocfs2_commit_cache(struct ocfs2_super *osb);
-static int ocfs2_wait_on_mount(struct ocfs2_super *osb);
+static int __ocfs2_wait_on_mount(struct ocfs2_super *osb, int quota);
 static int ocfs2_journal_toggle_dirty(struct ocfs2_super *osb,
 				      int dirty, int replayed);
 static int ocfs2_trylock_journal(struct ocfs2_super *osb,
@@ -64,6 +66,17 @@
 				 int slot);
 static int ocfs2_commit_thread(void *arg);
 
+static inline int ocfs2_wait_on_mount(struct ocfs2_super *osb)
+{
+	return __ocfs2_wait_on_mount(osb, 0);
+}
+
+static inline int ocfs2_wait_on_quotas(struct ocfs2_super *osb)
+{
+	return __ocfs2_wait_on_mount(osb, 1);
+}
+
+
 
 /*
  * The recovery_list is a simple linked list of node numbers to recover.
@@ -256,11 +269,9 @@
 	BUG_ON(osb->journal->j_state == OCFS2_JOURNAL_FREE);
 	BUG_ON(max_buffs <= 0);
 
-	/* JBD might support this, but our journalling code doesn't yet. */
-	if (journal_current_handle()) {
-		mlog(ML_ERROR, "Recursive transaction attempted!\n");
-		BUG();
-	}
+	/* Nested transaction? Just return the handle... */
+	if (journal_current_handle())
+		return jbd2_journal_start(journal, max_buffs);
 
 	down_read(&osb->journal->j_trans_barrier);
 
@@ -285,16 +296,18 @@
 int ocfs2_commit_trans(struct ocfs2_super *osb,
 		       handle_t *handle)
 {
-	int ret;
+	int ret, nested;
 	struct ocfs2_journal *journal = osb->journal;
 
 	BUG_ON(!handle);
 
+	nested = handle->h_ref > 1;
 	ret = jbd2_journal_stop(handle);
 	if (ret < 0)
 		mlog_errno(ret);
 
-	up_read(&journal->j_trans_barrier);
+	if (!nested)
+		up_read(&journal->j_trans_barrier);
 
 	return ret;
 }
@@ -357,10 +370,137 @@
 	return status;
 }
 
-int ocfs2_journal_access(handle_t *handle,
-			 struct inode *inode,
-			 struct buffer_head *bh,
-			 int type)
+struct ocfs2_triggers {
+	struct jbd2_buffer_trigger_type	ot_triggers;
+	int				ot_offset;
+};
+
+static inline struct ocfs2_triggers *to_ocfs2_trigger(struct jbd2_buffer_trigger_type *triggers)
+{
+	return container_of(triggers, struct ocfs2_triggers, ot_triggers);
+}
+
+static void ocfs2_commit_trigger(struct jbd2_buffer_trigger_type *triggers,
+				 struct buffer_head *bh,
+				 void *data, size_t size)
+{
+	struct ocfs2_triggers *ot = to_ocfs2_trigger(triggers);
+
+	/*
+	 * We aren't guaranteed to have the superblock here, so we
+	 * must unconditionally compute the ecc data.
+	 * __ocfs2_journal_access() will only set the triggers if
+	 * metaecc is enabled.
+	 */
+	ocfs2_block_check_compute(data, size, data + ot->ot_offset);
+}
+
+/*
+ * Quota blocks have their own trigger because the struct ocfs2_block_check
+ * offset depends on the blocksize.
+ */
+static void ocfs2_dq_commit_trigger(struct jbd2_buffer_trigger_type *triggers,
+				 struct buffer_head *bh,
+				 void *data, size_t size)
+{
+	struct ocfs2_disk_dqtrailer *dqt =
+		ocfs2_block_dqtrailer(size, data);
+
+	/*
+	 * We aren't guaranteed to have the superblock here, so we
+	 * must unconditionally compute the ecc data.
+	 * __ocfs2_journal_access() will only set the triggers if
+	 * metaecc is enabled.
+	 */
+	ocfs2_block_check_compute(data, size, &dqt->dq_check);
+}
+
+/*
+ * Directory blocks also have their own trigger because the
+ * struct ocfs2_block_check offset depends on the blocksize.
+ */
+static void ocfs2_db_commit_trigger(struct jbd2_buffer_trigger_type *triggers,
+				 struct buffer_head *bh,
+				 void *data, size_t size)
+{
+	struct ocfs2_dir_block_trailer *trailer =
+		ocfs2_dir_trailer_from_size(size, data);
+
+	/*
+	 * We aren't guaranteed to have the superblock here, so we
+	 * must unconditionally compute the ecc data.
+	 * __ocfs2_journal_access() will only set the triggers if
+	 * metaecc is enabled.
+	 */
+	ocfs2_block_check_compute(data, size, &trailer->db_check);
+}
+
+static void ocfs2_abort_trigger(struct jbd2_buffer_trigger_type *triggers,
+				struct buffer_head *bh)
+{
+	mlog(ML_ERROR,
+	     "ocfs2_abort_trigger called by JBD2.  bh = 0x%lx, "
+	     "bh->b_blocknr = %llu\n",
+	     (unsigned long)bh,
+	     (unsigned long long)bh->b_blocknr);
+
+	/* We aren't guaranteed to have the superblock here - but if we
+	 * don't, it'll just crash. */
+	ocfs2_error(bh->b_assoc_map->host->i_sb,
+		    "JBD2 has aborted our journal, ocfs2 cannot continue\n");
+}
+
+static struct ocfs2_triggers di_triggers = {
+	.ot_triggers = {
+		.t_commit = ocfs2_commit_trigger,
+		.t_abort = ocfs2_abort_trigger,
+	},
+	.ot_offset	= offsetof(struct ocfs2_dinode, i_check),
+};
+
+static struct ocfs2_triggers eb_triggers = {
+	.ot_triggers = {
+		.t_commit = ocfs2_commit_trigger,
+		.t_abort = ocfs2_abort_trigger,
+	},
+	.ot_offset	= offsetof(struct ocfs2_extent_block, h_check),
+};
+
+static struct ocfs2_triggers gd_triggers = {
+	.ot_triggers = {
+		.t_commit = ocfs2_commit_trigger,
+		.t_abort = ocfs2_abort_trigger,
+	},
+	.ot_offset	= offsetof(struct ocfs2_group_desc, bg_check),
+};
+
+static struct ocfs2_triggers db_triggers = {
+	.ot_triggers = {
+		.t_commit = ocfs2_db_commit_trigger,
+		.t_abort = ocfs2_abort_trigger,
+	},
+};
+
+static struct ocfs2_triggers xb_triggers = {
+	.ot_triggers = {
+		.t_commit = ocfs2_commit_trigger,
+		.t_abort = ocfs2_abort_trigger,
+	},
+	.ot_offset	= offsetof(struct ocfs2_xattr_block, xb_check),
+};
+
+static struct ocfs2_triggers dq_triggers = {
+	.ot_triggers = {
+		.t_commit = ocfs2_dq_commit_trigger,
+		.t_abort = ocfs2_abort_trigger,
+	},
+};
+
+static int __ocfs2_journal_access(handle_t *handle,
+				  struct inode *inode,
+				  struct buffer_head *bh,
+				  struct ocfs2_triggers *triggers,
+				  int type)
 {
 	int status;
 
@@ -406,6 +546,8 @@
 		status = -EINVAL;
 		mlog(ML_ERROR, "Uknown access type!\n");
 	}
+	if (!status && ocfs2_meta_ecc(OCFS2_SB(inode->i_sb)) && triggers)
+		jbd2_journal_set_triggers(bh, &triggers->ot_triggers);
 	mutex_unlock(&OCFS2_I(inode)->ip_io_mutex);
 
 	if (status < 0)
@@ -416,6 +558,54 @@
 	return status;
 }
 
+int ocfs2_journal_access_di(handle_t *handle, struct inode *inode,
+			       struct buffer_head *bh, int type)
+{
+	return __ocfs2_journal_access(handle, inode, bh, &di_triggers,
+				      type);
+}
+
+int ocfs2_journal_access_eb(handle_t *handle, struct inode *inode,
+			    struct buffer_head *bh, int type)
+{
+	return __ocfs2_journal_access(handle, inode, bh, &eb_triggers,
+				      type);
+}
+
+int ocfs2_journal_access_gd(handle_t *handle, struct inode *inode,
+			    struct buffer_head *bh, int type)
+{
+	return __ocfs2_journal_access(handle, inode, bh, &gd_triggers,
+				      type);
+}
+
+int ocfs2_journal_access_db(handle_t *handle, struct inode *inode,
+			    struct buffer_head *bh, int type)
+{
+	return __ocfs2_journal_access(handle, inode, bh, &db_triggers,
+				      type);
+}
+
+int ocfs2_journal_access_xb(handle_t *handle, struct inode *inode,
+			    struct buffer_head *bh, int type)
+{
+	return __ocfs2_journal_access(handle, inode, bh, &xb_triggers,
+				      type);
+}
+
+int ocfs2_journal_access_dq(handle_t *handle, struct inode *inode,
+			    struct buffer_head *bh, int type)
+{
+	return __ocfs2_journal_access(handle, inode, bh, &dq_triggers,
+				      type);
+}
+
+int ocfs2_journal_access(handle_t *handle, struct inode *inode,
+			 struct buffer_head *bh, int type)
+{
+	return __ocfs2_journal_access(handle, inode, bh, NULL, type);
+}
+
 int ocfs2_journal_dirty(handle_t *handle,
 			struct buffer_head *bh)
 {
@@ -434,20 +624,6 @@
 	return status;
 }
 
-#ifdef CONFIG_OCFS2_COMPAT_JBD
-int ocfs2_journal_dirty_data(handle_t *handle,
-			     struct buffer_head *bh)
-{
-	int err = journal_dirty_data(handle, bh);
-	if (err)
-		mlog_errno(err);
-	/* TODO: When we can handle it, abort the handle and go RO on
-	 * error here. */
-
-	return err;
-}
-#endif
-
 #define OCFS2_DEFAULT_COMMIT_INTERVAL	(HZ * JBD2_DEFAULT_MAX_COMMIT_AGE)
 
 void ocfs2_set_journal_params(struct ocfs2_super *osb)
@@ -587,17 +763,11 @@
 	mlog_entry_void();
 
 	fe = (struct ocfs2_dinode *)bh->b_data;
-	if (!OCFS2_IS_VALID_DINODE(fe)) {
-		/* This is called from startup/shutdown which will
-		 * handle the errors in a specific manner, so no need
-		 * to call ocfs2_error() here. */
-		mlog(ML_ERROR, "Journal dinode %llu  has invalid "
-		     "signature: %.*s",
-		     (unsigned long long)le64_to_cpu(fe->i_blkno), 7,
-		     fe->i_signature);
-		status = -EIO;
-		goto out;
-	}
+
+	/* The journal bh on the osb always comes from ocfs2_journal_init()
+	 * and was validated there inside ocfs2_inode_lock_full().  It's a
+	 * code bug if we mess it up. */
+	BUG_ON(!OCFS2_IS_VALID_DINODE(fe));
 
 	flags = le32_to_cpu(fe->id1.journal1.ij_flags);
 	if (dirty)
@@ -609,11 +779,11 @@
 	if (replayed)
 		ocfs2_bump_recovery_generation(fe);
 
+	ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &fe->i_check);
 	status = ocfs2_write_block(osb, bh, journal->j_inode);
 	if (status < 0)
 		mlog_errno(status);
 
-out:
 	mlog_exit(status);
 	return status;
 }
@@ -878,6 +1048,7 @@
 	int			lri_slot;
 	struct ocfs2_dinode	*lri_la_dinode;
 	struct ocfs2_dinode	*lri_tl_dinode;
+	struct ocfs2_quota_recovery *lri_qrec;
 };
 
 /* Does the second half of the recovery process. By this point, the
@@ -898,6 +1069,7 @@
 	struct ocfs2_super *osb = journal->j_osb;
 	struct ocfs2_dinode *la_dinode, *tl_dinode;
 	struct ocfs2_la_recovery_item *item, *n;
+	struct ocfs2_quota_recovery *qrec;
 	LIST_HEAD(tmp_la_list);
 
 	mlog_entry_void();
@@ -913,6 +1085,8 @@
 
 		mlog(0, "Complete recovery for slot %d\n", item->lri_slot);
 
+		ocfs2_wait_on_quotas(osb);
+
 		la_dinode = item->lri_la_dinode;
 		if (la_dinode) {
 			mlog(0, "Clean up local alloc %llu\n",
@@ -943,6 +1117,16 @@
 		if (ret < 0)
 			mlog_errno(ret);
 
+		qrec = item->lri_qrec;
+		if (qrec) {
+			mlog(0, "Recovering quota files");
+			ret = ocfs2_finish_quota_recovery(osb, qrec,
+							  item->lri_slot);
+			if (ret < 0)
+				mlog_errno(ret);
+			/* Recovery info is already freed now */
+		}
+
 		kfree(item);
 	}
 
@@ -956,7 +1140,8 @@
 static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal,
 					    int slot_num,
 					    struct ocfs2_dinode *la_dinode,
-					    struct ocfs2_dinode *tl_dinode)
+					    struct ocfs2_dinode *tl_dinode,
+					    struct ocfs2_quota_recovery *qrec)
 {
 	struct ocfs2_la_recovery_item *item;
 
@@ -971,6 +1156,9 @@
 		if (tl_dinode)
 			kfree(tl_dinode);
 
+		if (qrec)
+			ocfs2_free_quota_recovery(qrec);
+
 		mlog_errno(-ENOMEM);
 		return;
 	}
@@ -979,6 +1167,7 @@
 	item->lri_la_dinode = la_dinode;
 	item->lri_slot = slot_num;
 	item->lri_tl_dinode = tl_dinode;
+	item->lri_qrec = qrec;
 
 	spin_lock(&journal->j_lock);
 	list_add_tail(&item->lri_list, &journal->j_la_cleanups);
@@ -998,6 +1187,7 @@
 		ocfs2_queue_recovery_completion(journal,
 						osb->slot_num,
 						osb->local_alloc_copy,
+						NULL,
 						NULL);
 		ocfs2_schedule_truncate_log_flush(osb, 0);
 
@@ -1006,11 +1196,26 @@
 	}
 }
 
+void ocfs2_complete_quota_recovery(struct ocfs2_super *osb)
+{
+	if (osb->quota_rec) {
+		ocfs2_queue_recovery_completion(osb->journal,
+						osb->slot_num,
+						NULL,
+						NULL,
+						osb->quota_rec);
+		osb->quota_rec = NULL;
+	}
+}
+
 static int __ocfs2_recovery_thread(void *arg)
 {
-	int status, node_num;
+	int status, node_num, slot_num;
 	struct ocfs2_super *osb = arg;
 	struct ocfs2_recovery_map *rm = osb->recovery_map;
+	int *rm_quota = NULL;
+	int rm_quota_used = 0, i;
+	struct ocfs2_quota_recovery *qrec;
 
 	mlog_entry_void();
 
@@ -1019,6 +1224,11 @@
 		goto bail;
 	}
 
+	rm_quota = kzalloc(osb->max_slots * sizeof(int), GFP_NOFS);
+	if (!rm_quota) {
+		status = -ENOMEM;
+		goto bail;
+	}
 restart:
 	status = ocfs2_super_lock(osb, 1);
 	if (status < 0) {
@@ -1032,8 +1242,28 @@
 		 * clear it until ocfs2_recover_node() has succeeded. */
 		node_num = rm->rm_entries[0];
 		spin_unlock(&osb->osb_lock);
+		mlog(0, "checking node %d\n", node_num);
+		slot_num = ocfs2_node_num_to_slot(osb, node_num);
+		if (slot_num == -ENOENT) {
+			status = 0;
+			mlog(0, "no slot for this node, so no recovery"
+			     "required.\n");
+			goto skip_recovery;
+		}
+		mlog(0, "node %d was using slot %d\n", node_num, slot_num);
 
-		status = ocfs2_recover_node(osb, node_num);
+		/* It is a bit subtle with quota recovery. We cannot do it
+		 * immediately because we have to obtain cluster locks from
+		 * quota files and we also don't want to just skip it because
+		 * then quota usage would be out of sync until some node takes
+		 * the slot. So we remember which nodes need quota recovery
+		 * and when everything else is done, we recover quotas. */
+		for (i = 0; i < rm_quota_used && rm_quota[i] != slot_num; i++);
+		if (i == rm_quota_used)
+			rm_quota[rm_quota_used++] = slot_num;
+
+		status = ocfs2_recover_node(osb, node_num, slot_num);
+skip_recovery:
 		if (!status) {
 			ocfs2_recovery_map_clear(osb, node_num);
 		} else {
@@ -1055,13 +1285,27 @@
 	if (status < 0)
 		mlog_errno(status);
 
+	/* Now it is right time to recover quotas... We have to do this under
+	 * superblock lock so that noone can start using the slot (and crash)
+	 * before we recover it */
+	for (i = 0; i < rm_quota_used; i++) {
+		qrec = ocfs2_begin_quota_recovery(osb, rm_quota[i]);
+		if (IS_ERR(qrec)) {
+			status = PTR_ERR(qrec);
+			mlog_errno(status);
+			continue;
+		}
+		ocfs2_queue_recovery_completion(osb->journal, rm_quota[i],
+						NULL, NULL, qrec);
+	}
+
 	ocfs2_super_unlock(osb, 1);
 
 	/* We always run recovery on our own orphan dir - the dead
 	 * node(s) may have disallowd a previos inode delete. Re-processing
 	 * is therefore required. */
 	ocfs2_queue_recovery_completion(osb->journal, osb->slot_num, NULL,
-					NULL);
+					NULL, NULL);
 
 bail:
 	mutex_lock(&osb->recovery_lock);
@@ -1076,6 +1320,9 @@
 
 	mutex_unlock(&osb->recovery_lock);
 
+	if (rm_quota)
+		kfree(rm_quota);
+
 	mlog_exit(status);
 	/* no one is callint kthread_stop() for us so the kthread() api
 	 * requires that we call do_exit().  And it isn't exported, but
@@ -1135,8 +1382,7 @@
 	}
 	SET_INODE_JOURNAL(inode);
 
-	status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, bh,
-				   OCFS2_BH_IGNORE_CACHE);
+	status = ocfs2_read_inode_block_full(inode, bh, OCFS2_BH_IGNORE_CACHE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -1268,6 +1514,7 @@
 	osb->slot_recovery_generations[slot_num] =
 					ocfs2_get_recovery_generation(fe);
 
+	ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &fe->i_check);
 	status = ocfs2_write_block(osb, bh, inode);
 	if (status < 0)
 		mlog_errno(status);
@@ -1304,31 +1551,19 @@
  * far less concerning.
  */
 static int ocfs2_recover_node(struct ocfs2_super *osb,
-			      int node_num)
+			      int node_num, int slot_num)
 {
 	int status = 0;
-	int slot_num;
 	struct ocfs2_dinode *la_copy = NULL;
 	struct ocfs2_dinode *tl_copy = NULL;
 
-	mlog_entry("(node_num=%d, osb->node_num = %d)\n",
-		   node_num, osb->node_num);
-
-	mlog(0, "checking node %d\n", node_num);
+	mlog_entry("(node_num=%d, slot_num=%d, osb->node_num = %d)\n",
+		   node_num, slot_num, osb->node_num);
 
 	/* Should not ever be called to recover ourselves -- in that
 	 * case we should've called ocfs2_journal_load instead. */
 	BUG_ON(osb->node_num == node_num);
 
-	slot_num = ocfs2_node_num_to_slot(osb, node_num);
-	if (slot_num == -ENOENT) {
-		status = 0;
-		mlog(0, "no slot for this node, so no recovery required.\n");
-		goto done;
-	}
-
-	mlog(0, "node %d was using slot %d\n", node_num, slot_num);
-
 	status = ocfs2_replay_journal(osb, node_num, slot_num);
 	if (status < 0) {
 		if (status == -EBUSY) {
@@ -1364,7 +1599,7 @@
 
 	/* This will kfree the memory pointed to by la_copy and tl_copy */
 	ocfs2_queue_recovery_completion(osb->journal, slot_num, la_copy,
-					tl_copy);
+					tl_copy, NULL);
 
 	status = 0;
 done:
@@ -1659,13 +1894,14 @@
 	return ret;
 }
 
-static int ocfs2_wait_on_mount(struct ocfs2_super *osb)
+static int __ocfs2_wait_on_mount(struct ocfs2_super *osb, int quota)
 {
 	/* This check is good because ocfs2 will wait on our recovery
 	 * thread before changing it to something other than MOUNTED
 	 * or DISABLED. */
 	wait_event(osb->osb_mount_event,
-		   atomic_read(&osb->vol_state) == VOLUME_MOUNTED ||
+		  (!quota && atomic_read(&osb->vol_state) == VOLUME_MOUNTED) ||
+		   atomic_read(&osb->vol_state) == VOLUME_MOUNTED_QUOTAS ||
 		   atomic_read(&osb->vol_state) == VOLUME_DISABLED);
 
 	/* If there's an error on mount, then we may never get to the
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index d4d14e9..3c3532e 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -27,12 +27,7 @@
 #define OCFS2_JOURNAL_H
 
 #include <linux/fs.h>
-#ifndef CONFIG_OCFS2_COMPAT_JBD
-# include <linux/jbd2.h>
-#else
-# include <linux/jbd.h>
-# include "ocfs2_jbd_compat.h"
-#endif
+#include <linux/jbd2.h>
 
 enum ocfs2_journal_state {
 	OCFS2_JOURNAL_FREE = 0,
@@ -173,6 +168,7 @@
 			     int node_num);
 int    ocfs2_mark_dead_nodes(struct ocfs2_super *osb);
 void   ocfs2_complete_mount_recovery(struct ocfs2_super *osb);
+void ocfs2_complete_quota_recovery(struct ocfs2_super *osb);
 
 static inline void ocfs2_start_checkpoint(struct ocfs2_super *osb)
 {
@@ -216,9 +212,12 @@
  *  ocfs2_extend_trans     - Extend a handle by nblocks credits. This may
  *                          commit the handle to disk in the process, but will
  *                          not release any locks taken during the transaction.
- *  ocfs2_journal_access   - Notify the handle that we want to journal this
+ *  ocfs2_journal_access* - Notify the handle that we want to journal this
  *                          buffer. Will have to call ocfs2_journal_dirty once
  *                          we've actually dirtied it. Type is one of . or .
+ *                          Always call the specific flavor of
+ *                          ocfs2_journal_access_*() unless you intend to
+ *                          manage the checksum by hand.
  *  ocfs2_journal_dirty    - Mark a journalled buffer as having dirty data.
  *  ocfs2_jbd2_file_inode  - Mark an inode so that its data goes out before
  *                           the current handle commits.
@@ -248,10 +247,29 @@
 #define OCFS2_JOURNAL_ACCESS_WRITE  1
 #define OCFS2_JOURNAL_ACCESS_UNDO   2
 
-int                  ocfs2_journal_access(handle_t *handle,
-					  struct inode *inode,
-					  struct buffer_head *bh,
-					  int type);
+
+/* ocfs2_inode */
+int ocfs2_journal_access_di(handle_t *handle, struct inode *inode,
+			    struct buffer_head *bh, int type);
+/* ocfs2_extent_block */
+int ocfs2_journal_access_eb(handle_t *handle, struct inode *inode,
+			    struct buffer_head *bh, int type);
+/* ocfs2_group_desc */
+int ocfs2_journal_access_gd(handle_t *handle, struct inode *inode,
+			    struct buffer_head *bh, int type);
+/* ocfs2_xattr_block */
+int ocfs2_journal_access_xb(handle_t *handle, struct inode *inode,
+			    struct buffer_head *bh, int type);
+/* quota blocks */
+int ocfs2_journal_access_dq(handle_t *handle, struct inode *inode,
+			    struct buffer_head *bh, int type);
+/* dirblock */
+int ocfs2_journal_access_db(handle_t *handle, struct inode *inode,
+			    struct buffer_head *bh, int type);
+/* Anything that has no ecc */
+int ocfs2_journal_access(handle_t *handle, struct inode *inode,
+			 struct buffer_head *bh, int type);
+
 /*
  * A word about the journal_access/journal_dirty "dance". It is
  * entirely legal to journal_access a buffer more than once (as long
@@ -273,10 +291,6 @@
  */
 int                  ocfs2_journal_dirty(handle_t *handle,
 					 struct buffer_head *bh);
-#ifdef CONFIG_OCFS2_COMPAT_JBD
-int                  ocfs2_journal_dirty_data(handle_t *handle,
-					      struct buffer_head *bh);
-#endif
 
 /*
  *  Credit Macros:
@@ -293,6 +307,37 @@
 /* extended attribute block update */
 #define OCFS2_XATTR_BLOCK_UPDATE_CREDITS 1
 
+/* global quotafile inode update, data block */
+#define OCFS2_QINFO_WRITE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1)
+
+/*
+ * The two writes below can accidentally see global info dirty due
+ * to set_info() quotactl so make them prepared for the writes.
+ */
+/* quota data block, global info */
+/* Write to local quota file */
+#define OCFS2_QWRITE_CREDITS (OCFS2_QINFO_WRITE_CREDITS + 1)
+
+/* global quota data block, local quota data block, global quota inode,
+ * global quota info */
+#define OCFS2_QSYNC_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 3)
+
+static inline int ocfs2_quota_trans_credits(struct super_block *sb)
+{
+	int credits = 0;
+
+	if (OCFS2_HAS_RO_COMPAT_FEATURE(sb, OCFS2_FEATURE_RO_COMPAT_USRQUOTA))
+		credits += OCFS2_QWRITE_CREDITS;
+	if (OCFS2_HAS_RO_COMPAT_FEATURE(sb, OCFS2_FEATURE_RO_COMPAT_GRPQUOTA))
+		credits += OCFS2_QWRITE_CREDITS;
+	return credits;
+}
+
+/* Number of credits needed for removing quota structure from file */
+int ocfs2_calc_qdel_credits(struct super_block *sb, int type);
+/* Number of credits needed for initialization of new quota structure */
+int ocfs2_calc_qinit_credits(struct super_block *sb, int type);
+
 /* group extend. inode update and last group update. */
 #define OCFS2_GROUP_EXTEND_CREDITS	(OCFS2_INODE_UPDATE_CREDITS + 1)
 
@@ -303,8 +348,11 @@
  * prev. group desc. if we relink. */
 #define OCFS2_SUBALLOC_ALLOC (3)
 
-#define OCFS2_INLINE_TO_EXTENTS_CREDITS (OCFS2_SUBALLOC_ALLOC		\
-					 + OCFS2_INODE_UPDATE_CREDITS)
+static inline int ocfs2_inline_to_extents_credits(struct super_block *sb)
+{
+	return OCFS2_SUBALLOC_ALLOC + OCFS2_INODE_UPDATE_CREDITS +
+	       ocfs2_quota_trans_credits(sb);
+}
 
 /* dinode + group descriptor update. We don't relink on free yet. */
 #define OCFS2_SUBALLOC_FREE  (2)
@@ -313,16 +361,23 @@
 #define OCFS2_TRUNCATE_LOG_FLUSH_ONE_REC (OCFS2_SUBALLOC_FREE 		      \
 					 + OCFS2_TRUNCATE_LOG_UPDATE)
 
-#define OCFS2_REMOVE_EXTENT_CREDITS (OCFS2_TRUNCATE_LOG_UPDATE + OCFS2_INODE_UPDATE_CREDITS)
+static inline int ocfs2_remove_extent_credits(struct super_block *sb)
+{
+	return OCFS2_TRUNCATE_LOG_UPDATE + OCFS2_INODE_UPDATE_CREDITS +
+	       ocfs2_quota_trans_credits(sb);
+}
 
 /* data block for new dir/symlink, 2 for bitmap updates (bitmap fe +
  * bitmap block for the new bit) */
 #define OCFS2_DIR_LINK_ADDITIONAL_CREDITS (1 + 2)
 
 /* parent fe, parent block, new file entry, inode alloc fe, inode alloc
- * group descriptor + mkdir/symlink blocks */
-#define OCFS2_MKNOD_CREDITS (3 + OCFS2_SUBALLOC_ALLOC                         \
-			    + OCFS2_DIR_LINK_ADDITIONAL_CREDITS)
+ * group descriptor + mkdir/symlink blocks + quota update */
+static inline int ocfs2_mknod_credits(struct super_block *sb)
+{
+	return 3 + OCFS2_SUBALLOC_ALLOC + OCFS2_DIR_LINK_ADDITIONAL_CREDITS +
+	       ocfs2_quota_trans_credits(sb);
+}
 
 /* local alloc metadata change + main bitmap updates */
 #define OCFS2_WINDOW_MOVE_CREDITS (OCFS2_INODE_UPDATE_CREDITS                 \
@@ -332,13 +387,21 @@
  * for the dinode, one for the new block. */
 #define OCFS2_SIMPLE_DIR_EXTEND_CREDITS (2)
 
-/* file update (nlink, etc) + directory mtime/ctime + dir entry block */
-#define OCFS2_LINK_CREDITS  (2*OCFS2_INODE_UPDATE_CREDITS + 1)
+/* file update (nlink, etc) + directory mtime/ctime + dir entry block + quota
+ * update on dir */
+static inline int ocfs2_link_credits(struct super_block *sb)
+{
+	return 2*OCFS2_INODE_UPDATE_CREDITS + 1 +
+	       ocfs2_quota_trans_credits(sb);
+}
 
 /* inode + dir inode (if we unlink a dir), + dir entry block + orphan
  * dir inode link */
-#define OCFS2_UNLINK_CREDITS  (2 * OCFS2_INODE_UPDATE_CREDITS + 1             \
-			      + OCFS2_LINK_CREDITS)
+static inline int ocfs2_unlink_credits(struct super_block *sb)
+{
+	/* The quota update from ocfs2_link_credits is unused here... */
+	return 2 * OCFS2_INODE_UPDATE_CREDITS + 1 + ocfs2_link_credits(sb);
+}
 
 /* dinode + orphan dir dinode + inode alloc dinode + orphan dir entry +
  * inode alloc group descriptor */
@@ -347,8 +410,10 @@
 /* dinode update, old dir dinode update, new dir dinode update, old
  * dir dir entry, new dir dir entry, dir entry update for renaming
  * directory + target unlink */
-#define OCFS2_RENAME_CREDITS (3 * OCFS2_INODE_UPDATE_CREDITS + 3              \
-			     + OCFS2_UNLINK_CREDITS)
+static inline int ocfs2_rename_credits(struct super_block *sb)
+{
+	return 3 * OCFS2_INODE_UPDATE_CREDITS + 3 + ocfs2_unlink_credits(sb);
+}
 
 /* global bitmap dinode, group desc., relinked group,
  * suballocator dinode, group desc., relinked group,
@@ -386,18 +451,19 @@
 	 * credit for the dinode there. */
 	extent_blocks = 1 + 1 + le16_to_cpu(root_el->l_tree_depth);
 
-	return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks;
+	return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks +
+	       ocfs2_quota_trans_credits(sb);
 }
 
 static inline int ocfs2_calc_symlink_credits(struct super_block *sb)
 {
-	int blocks = OCFS2_MKNOD_CREDITS;
+	int blocks = ocfs2_mknod_credits(sb);
 
 	/* links can be longer than one block so we may update many
 	 * within our single allocated extent. */
 	blocks += ocfs2_clusters_to_blocks(sb, 1);
 
-	return blocks;
+	return blocks + ocfs2_quota_trans_credits(sb);
 }
 
 static inline int ocfs2_calc_group_alloc_credits(struct super_block *sb,
@@ -434,6 +500,8 @@
 	/* update to the truncate log. */
 	credits += OCFS2_TRUNCATE_LOG_UPDATE;
 
+	credits += ocfs2_quota_trans_credits(sb);
+
 	return credits;
 }
 
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 687b287..ec70cdb 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -36,6 +36,7 @@
 #include "ocfs2.h"
 
 #include "alloc.h"
+#include "blockcheck.h"
 #include "dlmglue.h"
 #include "inode.h"
 #include "journal.h"
@@ -248,8 +249,8 @@
 		goto bail;
 	}
 
-	status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1,
-				   &alloc_bh, OCFS2_BH_IGNORE_CACHE);
+	status = ocfs2_read_inode_block_full(inode, &alloc_bh,
+					     OCFS2_BH_IGNORE_CACHE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -382,8 +383,8 @@
 	}
 	memcpy(alloc_copy, alloc, bh->b_size);
 
-	status = ocfs2_journal_access(handle, local_alloc_inode, bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, local_alloc_inode, bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto out_commit;
@@ -459,8 +460,8 @@
 
 	mutex_lock(&inode->i_mutex);
 
-	status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1,
-				   &alloc_bh, OCFS2_BH_IGNORE_CACHE);
+	status = ocfs2_read_inode_block_full(inode, &alloc_bh,
+					     OCFS2_BH_IGNORE_CACHE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -476,6 +477,7 @@
 	alloc = (struct ocfs2_dinode *) alloc_bh->b_data;
 	ocfs2_clear_local_alloc(alloc);
 
+	ocfs2_compute_meta_ecc(osb->sb, alloc_bh->b_data, &alloc->i_check);
 	status = ocfs2_write_block(osb, alloc_bh, inode);
 	if (status < 0)
 		mlog_errno(status);
@@ -762,9 +764,9 @@
 	 * delete bits from it! */
 	*num_bits = bits_wanted;
 
-	status = ocfs2_journal_access(handle, local_alloc_inode,
-				      osb->local_alloc_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, local_alloc_inode,
+					 osb->local_alloc_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -1240,9 +1242,9 @@
 	}
 	memcpy(alloc_copy, alloc, osb->local_alloc_bh->b_size);
 
-	status = ocfs2_journal_access(handle, local_alloc_inode,
-				      osb->local_alloc_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, local_alloc_inode,
+					 osb->local_alloc_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 2545e74..084aba8 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -40,6 +40,7 @@
 #include <linux/types.h>
 #include <linux/slab.h>
 #include <linux/highmem.h>
+#include <linux/quotaops.h>
 
 #define MLOG_MASK_PREFIX ML_NAMEI
 #include <cluster/masklog.h>
@@ -61,17 +62,18 @@
 #include "sysfile.h"
 #include "uptodate.h"
 #include "xattr.h"
+#include "acl.h"
 
 #include "buffer_head_io.h"
 
 static int ocfs2_mknod_locked(struct ocfs2_super *osb,
 			      struct inode *dir,
-			      struct dentry *dentry, int mode,
+			      struct inode *inode,
+			      struct dentry *dentry,
 			      dev_t dev,
 			      struct buffer_head **new_fe_bh,
 			      struct buffer_head *parent_fe_bh,
 			      handle_t *handle,
-			      struct inode **ret_inode,
 			      struct ocfs2_alloc_context *inode_ac);
 
 static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
@@ -186,6 +188,35 @@
 	return ret;
 }
 
+static struct inode *ocfs2_get_init_inode(struct inode *dir, int mode)
+{
+	struct inode *inode;
+
+	inode = new_inode(dir->i_sb);
+	if (!inode) {
+		mlog(ML_ERROR, "new_inode failed!\n");
+		return NULL;
+	}
+
+	/* populate as many fields early on as possible - many of
+	 * these are used by the support functions here and in
+	 * callers. */
+	if (S_ISDIR(mode))
+		inode->i_nlink = 2;
+	else
+		inode->i_nlink = 1;
+	inode->i_uid = current_fsuid();
+	if (dir->i_mode & S_ISGID) {
+		inode->i_gid = dir->i_gid;
+		if (S_ISDIR(mode))
+			mode |= S_ISGID;
+	} else
+		inode->i_gid = current_fsgid();
+	inode->i_mode = mode;
+	vfs_dq_init(inode);
+	return inode;
+}
+
 static int ocfs2_mknod(struct inode *dir,
 		       struct dentry *dentry,
 		       int mode,
@@ -201,6 +232,13 @@
 	struct inode *inode = NULL;
 	struct ocfs2_alloc_context *inode_ac = NULL;
 	struct ocfs2_alloc_context *data_ac = NULL;
+	struct ocfs2_alloc_context *xattr_ac = NULL;
+	int want_clusters = 0;
+	int xattr_credits = 0;
+	struct ocfs2_security_xattr_info si = {
+		.enable = 1,
+	};
+	int did_quota_inode = 0;
 
 	mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode,
 		   (unsigned long)dev, dentry->d_name.len,
@@ -250,17 +288,46 @@
 		goto leave;
 	}
 
-	/* Reserve a cluster if creating an extent based directory. */
-	if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb)) {
-		status = ocfs2_reserve_clusters(osb, 1, &data_ac);
-		if (status < 0) {
-			if (status != -ENOSPC)
-				mlog_errno(status);
+	inode = ocfs2_get_init_inode(dir, mode);
+	if (!inode) {
+		status = -ENOMEM;
+		mlog_errno(status);
+		goto leave;
+	}
+
+	/* get security xattr */
+	status = ocfs2_init_security_get(inode, dir, &si);
+	if (status) {
+		if (status == -EOPNOTSUPP)
+			si.enable = 0;
+		else {
+			mlog_errno(status);
 			goto leave;
 		}
 	}
 
-	handle = ocfs2_start_trans(osb, OCFS2_MKNOD_CREDITS);
+	/* calculate meta data/clusters for setting security and acl xattr */
+	status = ocfs2_calc_xattr_init(dir, parent_fe_bh, mode,
+					&si, &want_clusters,
+					&xattr_credits, &xattr_ac);
+	if (status < 0) {
+		mlog_errno(status);
+		goto leave;
+	}
+
+	/* Reserve a cluster if creating an extent based directory. */
+	if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb))
+		want_clusters += 1;
+
+	status = ocfs2_reserve_clusters(osb, want_clusters, &data_ac);
+	if (status < 0) {
+		if (status != -ENOSPC)
+			mlog_errno(status);
+		goto leave;
+	}
+
+	handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb) +
+				   xattr_credits);
 	if (IS_ERR(handle)) {
 		status = PTR_ERR(handle);
 		handle = NULL;
@@ -268,10 +335,19 @@
 		goto leave;
 	}
 
+	/* We don't use standard VFS wrapper because we don't want vfs_dq_init
+	 * to be called. */
+	if (sb_any_quota_active(osb->sb) &&
+	    osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) {
+		status = -EDQUOT;
+		goto leave;
+	}
+	did_quota_inode = 1;
+
 	/* do the real work now. */
-	status = ocfs2_mknod_locked(osb, dir, dentry, mode, dev,
+	status = ocfs2_mknod_locked(osb, dir, inode, dentry, dev,
 				    &new_fe_bh, parent_fe_bh, handle,
-				    &inode, inode_ac);
+				    inode_ac);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
@@ -285,8 +361,8 @@
 			goto leave;
 		}
 
-		status = ocfs2_journal_access(handle, dir, parent_fe_bh,
-					      OCFS2_JOURNAL_ACCESS_WRITE);
+		status = ocfs2_journal_access_di(handle, dir, parent_fe_bh,
+						 OCFS2_JOURNAL_ACCESS_WRITE);
 		if (status < 0) {
 			mlog_errno(status);
 			goto leave;
@@ -300,6 +376,22 @@
 		inc_nlink(dir);
 	}
 
+	status = ocfs2_init_acl(handle, inode, dir, new_fe_bh, parent_fe_bh,
+				xattr_ac, data_ac);
+	if (status < 0) {
+		mlog_errno(status);
+		goto leave;
+	}
+
+	if (si.enable) {
+		status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si,
+						 xattr_ac, data_ac);
+		if (status < 0) {
+			mlog_errno(status);
+			goto leave;
+		}
+	}
+
 	status = ocfs2_add_entry(handle, dentry, inode,
 				 OCFS2_I(inode)->ip_blkno, parent_fe_bh,
 				 de_bh);
@@ -320,6 +412,8 @@
 	d_instantiate(dentry, inode);
 	status = 0;
 leave:
+	if (status < 0 && did_quota_inode)
+		vfs_dq_free_inode(inode);
 	if (handle)
 		ocfs2_commit_trans(osb, handle);
 
@@ -331,9 +425,13 @@
 	brelse(new_fe_bh);
 	brelse(de_bh);
 	brelse(parent_fe_bh);
+	kfree(si.name);
+	kfree(si.value);
 
-	if ((status < 0) && inode)
+	if ((status < 0) && inode) {
+		clear_nlink(inode);
 		iput(inode);
+	}
 
 	if (inode_ac)
 		ocfs2_free_alloc_context(inode_ac);
@@ -341,6 +439,9 @@
 	if (data_ac)
 		ocfs2_free_alloc_context(data_ac);
 
+	if (xattr_ac)
+		ocfs2_free_alloc_context(xattr_ac);
+
 	mlog_exit(status);
 
 	return status;
@@ -348,12 +449,12 @@
 
 static int ocfs2_mknod_locked(struct ocfs2_super *osb,
 			      struct inode *dir,
-			      struct dentry *dentry, int mode,
+			      struct inode *inode,
+			      struct dentry *dentry,
 			      dev_t dev,
 			      struct buffer_head **new_fe_bh,
 			      struct buffer_head *parent_fe_bh,
 			      handle_t *handle,
-			      struct inode **ret_inode,
 			      struct ocfs2_alloc_context *inode_ac)
 {
 	int status = 0;
@@ -361,14 +462,12 @@
 	struct ocfs2_extent_list *fel;
 	u64 fe_blkno = 0;
 	u16 suballoc_bit;
-	struct inode *inode = NULL;
 
-	mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode,
-		   (unsigned long)dev, dentry->d_name.len,
+	mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry,
+		   inode->i_mode, (unsigned long)dev, dentry->d_name.len,
 		   dentry->d_name.name);
 
 	*new_fe_bh = NULL;
-	*ret_inode = NULL;
 
 	status = ocfs2_claim_new_inode(osb, handle, inode_ac, &suballoc_bit,
 				       &fe_blkno);
@@ -377,23 +476,11 @@
 		goto leave;
 	}
 
-	inode = new_inode(dir->i_sb);
-	if (!inode) {
-		status = -ENOMEM;
-		mlog(ML_ERROR, "new_inode failed!\n");
-		goto leave;
-	}
-
 	/* populate as many fields early on as possible - many of
 	 * these are used by the support functions here and in
 	 * callers. */
 	inode->i_ino = ino_from_blkno(osb->sb, fe_blkno);
 	OCFS2_I(inode)->ip_blkno = fe_blkno;
-	if (S_ISDIR(mode))
-		inode->i_nlink = 2;
-	else
-		inode->i_nlink = 1;
-	inode->i_mode = mode;
 	spin_lock(&osb->osb_lock);
 	inode->i_generation = osb->s_next_generation++;
 	spin_unlock(&osb->osb_lock);
@@ -406,8 +493,8 @@
 	}
 	ocfs2_set_new_buffer_uptodate(inode, *new_fe_bh);
 
-	status = ocfs2_journal_access(handle, inode, *new_fe_bh,
-				      OCFS2_JOURNAL_ACCESS_CREATE);
+	status = ocfs2_journal_access_di(handle, inode, *new_fe_bh,
+					 OCFS2_JOURNAL_ACCESS_CREATE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
@@ -421,17 +508,11 @@
 	fe->i_blkno = cpu_to_le64(fe_blkno);
 	fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);
 	fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot);
-	fe->i_uid = cpu_to_le32(current_fsuid());
-	if (dir->i_mode & S_ISGID) {
-		fe->i_gid = cpu_to_le32(dir->i_gid);
-		if (S_ISDIR(mode))
-			mode |= S_ISGID;
-	} else
-		fe->i_gid = cpu_to_le32(current_fsgid());
-	fe->i_mode = cpu_to_le16(mode);
-	if (S_ISCHR(mode) || S_ISBLK(mode))
+	fe->i_uid = cpu_to_le32(inode->i_uid);
+	fe->i_gid = cpu_to_le32(inode->i_gid);
+	fe->i_mode = cpu_to_le16(inode->i_mode);
+	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
 		fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev));
-
 	fe->i_links_count = cpu_to_le16(inode->i_nlink);
 
 	fe->i_last_eb_blk = 0;
@@ -446,7 +527,7 @@
 	/*
 	 * If supported, directories start with inline data.
 	 */
-	if (S_ISDIR(mode) && ocfs2_supports_inline_data(osb)) {
+	if (S_ISDIR(inode->i_mode) && ocfs2_supports_inline_data(osb)) {
 		u16 feat = le16_to_cpu(fe->i_dyn_features);
 
 		fe->i_dyn_features = cpu_to_le16(feat | OCFS2_INLINE_DATA_FL);
@@ -465,15 +546,7 @@
 		goto leave;
 	}
 
-	if (ocfs2_populate_inode(inode, fe, 1) < 0) {
-		mlog(ML_ERROR, "populate inode failed! bh->b_blocknr=%llu, "
-		     "i_blkno=%llu, i_ino=%lu\n",
-		     (unsigned long long)(*new_fe_bh)->b_blocknr,
-		     (unsigned long long)le64_to_cpu(fe->i_blkno),
-		     inode->i_ino);
-		BUG();
-	}
-
+	ocfs2_populate_inode(inode, fe, 1);
 	ocfs2_inode_set_new(osb, inode);
 	if (!ocfs2_mount_local(osb)) {
 		status = ocfs2_create_new_inode_locks(inode);
@@ -484,17 +557,12 @@
 	status = 0; /* error in ocfs2_create_new_inode_locks is not
 		     * critical */
 
-	*ret_inode = inode;
 leave:
 	if (status < 0) {
 		if (*new_fe_bh) {
 			brelse(*new_fe_bh);
 			*new_fe_bh = NULL;
 		}
-		if (inode) {
-			clear_nlink(inode);
-			iput(inode);
-		}
 	}
 
 	mlog_exit(status);
@@ -588,7 +656,7 @@
 		goto out_unlock_inode;
 	}
 
-	handle = ocfs2_start_trans(osb, OCFS2_LINK_CREDITS);
+	handle = ocfs2_start_trans(osb, ocfs2_link_credits(osb->sb));
 	if (IS_ERR(handle)) {
 		err = PTR_ERR(handle);
 		handle = NULL;
@@ -596,8 +664,8 @@
 		goto out_unlock_inode;
 	}
 
-	err = ocfs2_journal_access(handle, inode, fe_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	err = ocfs2_journal_access_di(handle, inode, fe_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (err < 0) {
 		mlog_errno(err);
 		goto out_commit;
@@ -775,7 +843,7 @@
 		}
 	}
 
-	handle = ocfs2_start_trans(osb, OCFS2_UNLINK_CREDITS);
+	handle = ocfs2_start_trans(osb, ocfs2_unlink_credits(osb->sb));
 	if (IS_ERR(handle)) {
 		status = PTR_ERR(handle);
 		handle = NULL;
@@ -783,8 +851,8 @@
 		goto leave;
 	}
 
-	status = ocfs2_journal_access(handle, inode, fe_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, inode, fe_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
@@ -1181,7 +1249,7 @@
 		}
 	}
 
-	handle = ocfs2_start_trans(osb, OCFS2_RENAME_CREDITS);
+	handle = ocfs2_start_trans(osb, ocfs2_rename_credits(osb->sb));
 	if (IS_ERR(handle)) {
 		status = PTR_ERR(handle);
 		handle = NULL;
@@ -1197,8 +1265,8 @@
 				goto bail;
 			}
 		}
-		status = ocfs2_journal_access(handle, new_inode, newfe_bh,
-					      OCFS2_JOURNAL_ACCESS_WRITE);
+		status = ocfs2_journal_access_di(handle, new_inode, newfe_bh,
+						 OCFS2_JOURNAL_ACCESS_WRITE);
 		if (status < 0) {
 			mlog_errno(status);
 			goto bail;
@@ -1244,8 +1312,8 @@
 	old_inode->i_ctime = CURRENT_TIME;
 	mark_inode_dirty(old_inode);
 
-	status = ocfs2_journal_access(handle, old_inode, old_inode_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, old_inode, old_inode_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status >= 0) {
 		old_di = (struct ocfs2_dinode *) old_inode_bh->b_data;
 
@@ -1321,9 +1389,9 @@
 			     (int)old_dir_nlink, old_dir->i_nlink);
 		} else {
 			struct ocfs2_dinode *fe;
-			status = ocfs2_journal_access(handle, old_dir,
-						      old_dir_bh,
-						      OCFS2_JOURNAL_ACCESS_WRITE);
+			status = ocfs2_journal_access_di(handle, old_dir,
+							 old_dir_bh,
+							 OCFS2_JOURNAL_ACCESS_WRITE);
 			fe = (struct ocfs2_dinode *) old_dir_bh->b_data;
 			fe->i_links_count = cpu_to_le16(old_dir->i_nlink);
 			status = ocfs2_journal_dirty(handle, old_dir_bh);
@@ -1496,6 +1564,13 @@
 	handle_t *handle = NULL;
 	struct ocfs2_alloc_context *inode_ac = NULL;
 	struct ocfs2_alloc_context *data_ac = NULL;
+	struct ocfs2_alloc_context *xattr_ac = NULL;
+	int want_clusters = 0;
+	int xattr_credits = 0;
+	struct ocfs2_security_xattr_info si = {
+		.enable = 1,
+	};
+	int did_quota = 0, did_quota_inode = 0;
 
 	mlog_entry("(0x%p, 0x%p, symname='%s' actual='%.*s')\n", dir,
 		   dentry, symname, dentry->d_name.len, dentry->d_name.name);
@@ -1542,17 +1617,46 @@
 		goto bail;
 	}
 
-	/* don't reserve bitmap space for fast symlinks. */
-	if (l > ocfs2_fast_symlink_chars(sb)) {
-		status = ocfs2_reserve_clusters(osb, 1, &data_ac);
-		if (status < 0) {
-			if (status != -ENOSPC)
-				mlog_errno(status);
+	inode = ocfs2_get_init_inode(dir, S_IFLNK | S_IRWXUGO);
+	if (!inode) {
+		status = -ENOMEM;
+		mlog_errno(status);
+		goto bail;
+	}
+
+	/* get security xattr */
+	status = ocfs2_init_security_get(inode, dir, &si);
+	if (status) {
+		if (status == -EOPNOTSUPP)
+			si.enable = 0;
+		else {
+			mlog_errno(status);
 			goto bail;
 		}
 	}
 
-	handle = ocfs2_start_trans(osb, credits);
+	/* calculate meta data/clusters for setting security xattr */
+	if (si.enable) {
+		status = ocfs2_calc_security_init(dir, &si, &want_clusters,
+						  &xattr_credits, &xattr_ac);
+		if (status < 0) {
+			mlog_errno(status);
+			goto bail;
+		}
+	}
+
+	/* don't reserve bitmap space for fast symlinks. */
+	if (l > ocfs2_fast_symlink_chars(sb))
+		want_clusters += 1;
+
+	status = ocfs2_reserve_clusters(osb, want_clusters, &data_ac);
+	if (status < 0) {
+		if (status != -ENOSPC)
+			mlog_errno(status);
+		goto bail;
+	}
+
+	handle = ocfs2_start_trans(osb, credits + xattr_credits);
 	if (IS_ERR(handle)) {
 		status = PTR_ERR(handle);
 		handle = NULL;
@@ -1560,10 +1664,18 @@
 		goto bail;
 	}
 
-	status = ocfs2_mknod_locked(osb, dir, dentry,
-				    S_IFLNK | S_IRWXUGO, 0,
-				    &new_fe_bh, parent_fe_bh, handle,
-				    &inode, inode_ac);
+	/* We don't use standard VFS wrapper because we don't want vfs_dq_init
+	 * to be called. */
+	if (sb_any_quota_active(osb->sb) &&
+	    osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) {
+		status = -EDQUOT;
+		goto bail;
+	}
+	did_quota_inode = 1;
+
+	status = ocfs2_mknod_locked(osb, dir, inode, dentry,
+				    0, &new_fe_bh, parent_fe_bh, handle,
+				    inode_ac);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -1576,6 +1688,12 @@
 		u32 offset = 0;
 
 		inode->i_op = &ocfs2_symlink_inode_operations;
+		if (vfs_dq_alloc_space_nodirty(inode,
+		    ocfs2_clusters_to_bytes(osb->sb, 1))) {
+			status = -EDQUOT;
+			goto bail;
+		}
+		did_quota = 1;
 		status = ocfs2_add_inode_data(osb, inode, &offset, 1, 0,
 					      new_fe_bh,
 					      handle, data_ac, NULL,
@@ -1614,6 +1732,15 @@
 		}
 	}
 
+	if (si.enable) {
+		status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si,
+						 xattr_ac, data_ac);
+		if (status < 0) {
+			mlog_errno(status);
+			goto bail;
+		}
+	}
+
 	status = ocfs2_add_entry(handle, dentry, inode,
 				 le64_to_cpu(fe->i_blkno), parent_fe_bh,
 				 de_bh);
@@ -1632,6 +1759,11 @@
 	dentry->d_op = &ocfs2_dentry_ops;
 	d_instantiate(dentry, inode);
 bail:
+	if (status < 0 && did_quota)
+		vfs_dq_free_space_nodirty(inode,
+					ocfs2_clusters_to_bytes(osb->sb, 1));
+	if (status < 0 && did_quota_inode)
+		vfs_dq_free_inode(inode);
 	if (handle)
 		ocfs2_commit_trans(osb, handle);
 
@@ -1640,12 +1772,18 @@
 	brelse(new_fe_bh);
 	brelse(parent_fe_bh);
 	brelse(de_bh);
+	kfree(si.name);
+	kfree(si.value);
 	if (inode_ac)
 		ocfs2_free_alloc_context(inode_ac);
 	if (data_ac)
 		ocfs2_free_alloc_context(data_ac);
-	if ((status < 0) && inode)
+	if (xattr_ac)
+		ocfs2_free_alloc_context(xattr_ac);
+	if ((status < 0) && inode) {
+		clear_nlink(inode);
 		iput(inode);
+	}
 
 	mlog_exit(status);
 
@@ -1754,16 +1892,14 @@
 
 	mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino);
 
-	status = ocfs2_read_block(orphan_dir_inode,
-				  OCFS2_I(orphan_dir_inode)->ip_blkno,
-				  &orphan_dir_bh);
+	status = ocfs2_read_inode_block(orphan_dir_inode, &orphan_dir_bh);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
 	}
 
-	status = ocfs2_journal_access(handle, orphan_dir_inode, orphan_dir_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, orphan_dir_inode, orphan_dir_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
@@ -1850,8 +1986,8 @@
 		goto leave;
 	}
 
-	status = ocfs2_journal_access(handle,orphan_dir_inode,  orphan_dir_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle,orphan_dir_inode,  orphan_dir_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 3fed9e3..ad5c24a 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -161,6 +161,7 @@
 {
 	VOLUME_INIT = 0,
 	VOLUME_MOUNTED,
+	VOLUME_MOUNTED_QUOTAS,
 	VOLUME_DISMOUNTED,
 	VOLUME_DISABLED
 };
@@ -195,6 +196,9 @@
 	OCFS2_MOUNT_LOCALFLOCKS = 1 << 5, /* No cluster aware user file locks */
 	OCFS2_MOUNT_NOUSERXATTR = 1 << 6, /* No user xattr */
 	OCFS2_MOUNT_INODE64 = 1 << 7,	/* Allow inode numbers > 2^32 */
+	OCFS2_MOUNT_POSIX_ACL = 1 << 8,	/* POSIX access control lists */
+	OCFS2_MOUNT_USRQUOTA = 1 << 9, /* We support user quotas */
+	OCFS2_MOUNT_GRPQUOTA = 1 << 10, /* We support group quotas */
 };
 
 #define OCFS2_OSB_SOFT_RO	0x0001
@@ -205,6 +209,7 @@
 struct ocfs2_journal;
 struct ocfs2_slot_info;
 struct ocfs2_recovery_map;
+struct ocfs2_quota_recovery;
 struct ocfs2_super
 {
 	struct task_struct *commit_task;
@@ -286,10 +291,11 @@
 	char *local_alloc_debug_buf;
 #endif
 
-	/* Next two fields are for local node slot recovery during
+	/* Next three fields are for local node slot recovery during
 	 * mount. */
 	int dirty;
 	struct ocfs2_dinode *local_alloc_copy;
+	struct ocfs2_quota_recovery *quota_rec;
 
 	struct ocfs2_alloc_stats alloc_stats;
 	char dev_str[20];		/* "major,minor" of the device */
@@ -333,6 +339,10 @@
 
 #define OCFS2_SB(sb)	    ((struct ocfs2_super *)(sb)->s_fs_info)
 
+/* Useful typedef for passing around journal access functions */
+typedef int (*ocfs2_journal_access_func)(handle_t *handle, struct inode *inode,
+					 struct buffer_head *bh, int type);
+
 static inline int ocfs2_should_order_data(struct inode *inode)
 {
 	if (!S_ISREG(inode->i_mode))
@@ -376,6 +386,13 @@
 	return 0;
 }
 
+static inline int ocfs2_meta_ecc(struct ocfs2_super *osb)
+{
+	if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_META_ECC)
+		return 1;
+	return 0;
+}
+
 /* set / clear functions because cluster events can make these happen
  * in parallel so we want the transitions to be atomic. this also
  * means that any future flags osb_flags must be protected by spinlock
@@ -443,39 +460,19 @@
 #define OCFS2_IS_VALID_DINODE(ptr)					\
 	(!strcmp((ptr)->i_signature, OCFS2_INODE_SIGNATURE))
 
-#define OCFS2_RO_ON_INVALID_DINODE(__sb, __di)	do {			\
-	typeof(__di) ____di = (__di);					\
-	ocfs2_error((__sb), 						\
-		"Dinode # %llu has bad signature %.*s",			\
-		(unsigned long long)le64_to_cpu((____di)->i_blkno), 7, 	\
-		(____di)->i_signature);					\
-} while (0)
-
 #define OCFS2_IS_VALID_EXTENT_BLOCK(ptr)				\
 	(!strcmp((ptr)->h_signature, OCFS2_EXTENT_BLOCK_SIGNATURE))
 
-#define OCFS2_RO_ON_INVALID_EXTENT_BLOCK(__sb, __eb)	do {		\
-	typeof(__eb) ____eb = (__eb);					\
-	ocfs2_error((__sb), 						\
-		"Extent Block # %llu has bad signature %.*s",		\
-		(unsigned long long)le64_to_cpu((____eb)->h_blkno), 7,	\
-		(____eb)->h_signature);					\
-} while (0)
-
 #define OCFS2_IS_VALID_GROUP_DESC(ptr)					\
 	(!strcmp((ptr)->bg_signature, OCFS2_GROUP_DESC_SIGNATURE))
 
-#define OCFS2_RO_ON_INVALID_GROUP_DESC(__sb, __gd)	do {		\
-	typeof(__gd) ____gd = (__gd);					\
-		ocfs2_error((__sb),					\
-		"Group Descriptor # %llu has bad signature %.*s",	\
-		(unsigned long long)le64_to_cpu((____gd)->bg_blkno), 7, \
-		(____gd)->bg_signature);				\
-} while (0)
 
 #define OCFS2_IS_VALID_XATTR_BLOCK(ptr)					\
 	(!strcmp((ptr)->xb_signature, OCFS2_XATTR_BLOCK_SIGNATURE))
 
+#define OCFS2_IS_VALID_DIR_TRAILER(ptr)					\
+	(!strcmp((ptr)->db_signature, OCFS2_DIR_TRAILER_SIGNATURE))
+
 static inline unsigned long ino_from_blkno(struct super_block *sb,
 					   u64 blkno)
 {
@@ -632,5 +629,6 @@
 #define ocfs2_clear_bit ext2_clear_bit
 #define ocfs2_test_bit ext2_test_bit
 #define ocfs2_find_next_zero_bit ext2_find_next_zero_bit
+#define ocfs2_find_next_bit ext2_find_next_bit
 #endif  /* OCFS2_H */
 
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 5e0c0d0..c7ae45a 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -65,6 +65,7 @@
 #define OCFS2_EXTENT_BLOCK_SIGNATURE	"EXBLK01"
 #define OCFS2_GROUP_DESC_SIGNATURE      "GROUP01"
 #define OCFS2_XATTR_BLOCK_SIGNATURE	"XATTR01"
+#define OCFS2_DIR_TRAILER_SIGNATURE	"DIRTRL1"
 
 /* Compatibility flags */
 #define OCFS2_HAS_COMPAT_FEATURE(sb,mask)			\
@@ -93,8 +94,11 @@
 					 | OCFS2_FEATURE_INCOMPAT_INLINE_DATA \
 					 | OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP \
 					 | OCFS2_FEATURE_INCOMPAT_USERSPACE_STACK \
-					 | OCFS2_FEATURE_INCOMPAT_XATTR)
-#define OCFS2_FEATURE_RO_COMPAT_SUPP	OCFS2_FEATURE_RO_COMPAT_UNWRITTEN
+					 | OCFS2_FEATURE_INCOMPAT_XATTR \
+					 | OCFS2_FEATURE_INCOMPAT_META_ECC)
+#define OCFS2_FEATURE_RO_COMPAT_SUPP	(OCFS2_FEATURE_RO_COMPAT_UNWRITTEN \
+					 | OCFS2_FEATURE_RO_COMPAT_USRQUOTA \
+					 | OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)
 
 /*
  * Heartbeat-only devices are missing journals and other files.  The
@@ -147,6 +151,9 @@
 /* Support for extended attributes */
 #define OCFS2_FEATURE_INCOMPAT_XATTR		0x0200
 
+/* Metadata checksum and error correction */
+#define OCFS2_FEATURE_INCOMPAT_META_ECC		0x0800
+
 /*
  * backup superblock flag is used to indicate that this volume
  * has backup superblocks.
@@ -163,6 +170,12 @@
  */
 #define OCFS2_FEATURE_RO_COMPAT_UNWRITTEN	0x0001
 
+/*
+ * Maintain quota information for this filesystem
+ */
+#define OCFS2_FEATURE_RO_COMPAT_USRQUOTA	0x0002
+#define OCFS2_FEATURE_RO_COMPAT_GRPQUOTA	0x0004
+
 /* The byte offset of the first backup block will be 1G.
  * The following will be 4G, 16G, 64G, 256G and 1T.
  */
@@ -192,6 +205,7 @@
 #define OCFS2_HEARTBEAT_FL	(0x00000200)	/* Heartbeat area */
 #define OCFS2_CHAIN_FL		(0x00000400)	/* Chain allocator */
 #define OCFS2_DEALLOC_FL	(0x00000800)	/* Truncate log */
+#define OCFS2_QUOTA_FL		(0x00001000)	/* Quota file */
 
 /*
  * Flags on ocfs2_dinode.i_dyn_features
@@ -329,13 +343,17 @@
 #define OCFS2_FIRST_ONLINE_SYSTEM_INODE SLOT_MAP_SYSTEM_INODE
 	HEARTBEAT_SYSTEM_INODE,
 	GLOBAL_BITMAP_SYSTEM_INODE,
-#define OCFS2_LAST_GLOBAL_SYSTEM_INODE GLOBAL_BITMAP_SYSTEM_INODE
+	USER_QUOTA_SYSTEM_INODE,
+	GROUP_QUOTA_SYSTEM_INODE,
+#define OCFS2_LAST_GLOBAL_SYSTEM_INODE GROUP_QUOTA_SYSTEM_INODE
 	ORPHAN_DIR_SYSTEM_INODE,
 	EXTENT_ALLOC_SYSTEM_INODE,
 	INODE_ALLOC_SYSTEM_INODE,
 	JOURNAL_SYSTEM_INODE,
 	LOCAL_ALLOC_SYSTEM_INODE,
 	TRUNCATE_LOG_SYSTEM_INODE,
+	LOCAL_USER_QUOTA_SYSTEM_INODE,
+	LOCAL_GROUP_QUOTA_SYSTEM_INODE,
 	NUM_SYSTEM_INODES
 };
 
@@ -349,6 +367,8 @@
 	[SLOT_MAP_SYSTEM_INODE]			= { "slot_map", 0, S_IFREG | 0644 },
 	[HEARTBEAT_SYSTEM_INODE]		= { "heartbeat", OCFS2_HEARTBEAT_FL, S_IFREG | 0644 },
 	[GLOBAL_BITMAP_SYSTEM_INODE]		= { "global_bitmap", 0, S_IFREG | 0644 },
+	[USER_QUOTA_SYSTEM_INODE]		= { "aquota.user", OCFS2_QUOTA_FL, S_IFREG | 0644 },
+	[GROUP_QUOTA_SYSTEM_INODE]		= { "aquota.group", OCFS2_QUOTA_FL, S_IFREG | 0644 },
 
 	/* Slot-specific system inodes (one copy per slot) */
 	[ORPHAN_DIR_SYSTEM_INODE]		= { "orphan_dir:%04d", 0, S_IFDIR | 0755 },
@@ -356,7 +376,9 @@
 	[INODE_ALLOC_SYSTEM_INODE]		= { "inode_alloc:%04d", OCFS2_BITMAP_FL | OCFS2_CHAIN_FL, S_IFREG | 0644 },
 	[JOURNAL_SYSTEM_INODE]			= { "journal:%04d", OCFS2_JOURNAL_FL, S_IFREG | 0644 },
 	[LOCAL_ALLOC_SYSTEM_INODE]		= { "local_alloc:%04d", OCFS2_BITMAP_FL | OCFS2_LOCAL_ALLOC_FL, S_IFREG | 0644 },
-	[TRUNCATE_LOG_SYSTEM_INODE]		= { "truncate_log:%04d", OCFS2_DEALLOC_FL, S_IFREG | 0644 }
+	[TRUNCATE_LOG_SYSTEM_INODE]		= { "truncate_log:%04d", OCFS2_DEALLOC_FL, S_IFREG | 0644 },
+	[LOCAL_USER_QUOTA_SYSTEM_INODE]		= { "aquota.user:%04d", OCFS2_QUOTA_FL, S_IFREG | 0644 },
+	[LOCAL_GROUP_QUOTA_SYSTEM_INODE]	= { "aquota.group:%04d", OCFS2_QUOTA_FL, S_IFREG | 0644 },
 };
 
 /* Parameter passed from mount.ocfs2 to module */
@@ -410,6 +432,22 @@
 #define OCFS2_RAW_SB(dinode)		(&((dinode)->id2.i_super))
 
 /*
+ * Block checking structure.  This is used in metadata to validate the
+ * contents.  If OCFS2_FEATURE_INCOMPAT_META_ECC is not set, it is all
+ * zeros.
+ */
+struct ocfs2_block_check {
+/*00*/	__le32 bc_crc32e;	/* 802.3 Ethernet II CRC32 */
+	__le16 bc_ecc;		/* Single-error-correction parity vector.
+				   This is a simple Hamming code dependant
+				   on the blocksize.  OCFS2's maximum
+				   blocksize, 4K, requires 16 parity bits,
+				   so we fit in __le16. */
+	__le16 bc_reserved1;
+/*08*/
+};
+
+/*
  * On disk extent record for OCFS2
  * It describes a range of clusters on disk.
  *
@@ -496,7 +534,7 @@
 struct ocfs2_extent_block
 {
 /*00*/	__u8 h_signature[8];		/* Signature for verification */
-	__le64 h_reserved1;
+	struct ocfs2_block_check h_check;	/* Error checking */
 /*10*/	__le16 h_suballoc_slot;		/* Slot suballocator this
 					   extent_header belongs to */
 	__le16 h_suballoc_bit;		/* Bit offset in suballocator
@@ -666,7 +704,8 @@
 					   was set in i_flags */
 	__le16 i_dyn_features;
 	__le64 i_xattr_loc;
-/*80*/	__le64 i_reserved2[7];
+/*80*/	struct ocfs2_block_check i_check;	/* Error checking */
+/*88*/	__le64 i_reserved2[6];
 /*B8*/	union {
 		__le64 i_pad1;		/* Generic way to refer to this
 					   64bit union */
@@ -715,6 +754,34 @@
 } __attribute__ ((packed));
 
 /*
+ * Per-block record for the unindexed directory btree. This is carefully
+ * crafted so that the rec_len and name_len records of an ocfs2_dir_entry are
+ * mirrored. That way, the directory manipulation code needs a minimal amount
+ * of update.
+ *
+ * NOTE: Keep this structure aligned to a multiple of 4 bytes.
+ */
+struct ocfs2_dir_block_trailer {
+/*00*/	__le64		db_compat_inode;	/* Always zero. Was inode */
+
+	__le16		db_compat_rec_len;	/* Backwards compatible with
+						 * ocfs2_dir_entry. */
+	__u8		db_compat_name_len;	/* Always zero. Was name_len */
+	__u8		db_reserved0;
+	__le16		db_reserved1;
+	__le16		db_free_rec_len;	/* Size of largest empty hole
+						 * in this block. (unused) */
+/*10*/	__u8		db_signature[8];	/* Signature for verification */
+	__le64		db_reserved2;
+	__le64		db_free_next;		/* Next block in list (unused) */
+/*20*/	__le64		db_blkno;		/* Offset on disk, in blocks */
+	__le64		db_parent_dinode;	/* dinode which owns me, in
+						   blocks */
+/*30*/	struct ocfs2_block_check db_check;	/* Error checking */
+/*40*/
+};
+
+/*
  * On disk allocator group structure for OCFS2
  */
 struct ocfs2_group_desc
@@ -733,7 +800,8 @@
 /*20*/	__le64   bg_parent_dinode;       /* dinode which owns me, in
 					   blocks */
 	__le64   bg_blkno;               /* Offset on disk, in blocks */
-/*30*/	__le64   bg_reserved2[2];
+/*30*/	struct ocfs2_block_check bg_check;	/* Error checking */
+	__le64   bg_reserved2;
 /*40*/	__u8    bg_bitmap[0];
 };
 
@@ -776,7 +844,12 @@
 						   in this extent record,
 						   only valid in the first
 						   bucket. */
-	__le64  xh_csum;
+	struct ocfs2_block_check xh_check;	/* Error checking
+						   (Note, this is only
+						    used for xattr
+						    buckets.  A block uses
+						    xb_check and sets
+						    this field to zero.) */
 	struct ocfs2_xattr_entry xh_entries[0]; /* xattr entry list. */
 };
 
@@ -827,7 +900,7 @@
 					block group */
 	__le32	xb_fs_generation;    /* Must match super block */
 /*10*/	__le64	xb_blkno;            /* Offset on disk, in blocks */
-	__le64	xb_csum;
+	struct ocfs2_block_check xb_check;	/* Error checking */
 /*20*/	__le16	xb_flags;            /* Indicates whether this block contains
 					real xattr or a xattr tree. */
 	__le16	xb_reserved0;
@@ -868,6 +941,128 @@
 	return xe->xe_type & OCFS2_XATTR_TYPE_MASK;
 }
 
+/*
+ *  On disk structures for global quota file
+ */
+
+/* Magic numbers and known versions for global quota files */
+#define OCFS2_GLOBAL_QMAGICS {\
+	0x0cf52470, /* USRQUOTA */ \
+	0x0cf52471  /* GRPQUOTA */ \
+}
+
+#define OCFS2_GLOBAL_QVERSIONS {\
+	0, \
+	0, \
+}
+
+
+/* Each block of each quota file has a certain fixed number of bytes reserved
+ * for OCFS2 internal use at its end. OCFS2 can use it for things like
+ * checksums, etc. */
+#define OCFS2_QBLK_RESERVED_SPACE 8
+
+/* Generic header of all quota files */
+struct ocfs2_disk_dqheader {
+	__le32 dqh_magic;	/* Magic number identifying file */
+	__le32 dqh_version;	/* Quota format version */
+};
+
+#define OCFS2_GLOBAL_INFO_OFF (sizeof(struct ocfs2_disk_dqheader))
+
+/* Information header of global quota file (immediately follows the generic
+ * header) */
+struct ocfs2_global_disk_dqinfo {
+/*00*/	__le32 dqi_bgrace;	/* Grace time for space softlimit excess */
+	__le32 dqi_igrace;	/* Grace time for inode softlimit excess */
+	__le32 dqi_syncms;	/* Time after which we sync local changes to
+				 * global quota file */
+	__le32 dqi_blocks;	/* Number of blocks in quota file */
+/*10*/	__le32 dqi_free_blk;	/* First free block in quota file */
+	__le32 dqi_free_entry;	/* First block with free dquot entry in quota
+				 * file */
+};
+
+/* Structure with global user / group information. We reserve some space
+ * for future use. */
+struct ocfs2_global_disk_dqblk {
+/*00*/	__le32 dqb_id;          /* ID the structure belongs to */
+	__le32 dqb_use_count;   /* Number of nodes having reference to this structure */
+	__le64 dqb_ihardlimit;  /* absolute limit on allocated inodes */
+/*10*/	__le64 dqb_isoftlimit;  /* preferred inode limit */
+	__le64 dqb_curinodes;   /* current # allocated inodes */
+/*20*/	__le64 dqb_bhardlimit;  /* absolute limit on disk space */
+	__le64 dqb_bsoftlimit;  /* preferred limit on disk space */
+/*30*/	__le64 dqb_curspace;    /* current space occupied */
+	__le64 dqb_btime;       /* time limit for excessive disk use */
+/*40*/	__le64 dqb_itime;       /* time limit for excessive inode use */
+	__le64 dqb_pad1;
+/*50*/	__le64 dqb_pad2;
+};
+
+/*
+ *  On-disk structures for local quota file
+ */
+
+/* Magic numbers and known versions for local quota files */
+#define OCFS2_LOCAL_QMAGICS {\
+	0x0cf524c0, /* USRQUOTA */ \
+	0x0cf524c1  /* GRPQUOTA */ \
+}
+
+#define OCFS2_LOCAL_QVERSIONS {\
+	0, \
+	0, \
+}
+
+/* Quota flags in dqinfo header */
+#define OLQF_CLEAN	0x0001	/* Quota file is empty (this should be after\
+				 * quota has been cleanly turned off) */
+
+#define OCFS2_LOCAL_INFO_OFF (sizeof(struct ocfs2_disk_dqheader))
+
+/* Information header of local quota file (immediately follows the generic
+ * header) */
+struct ocfs2_local_disk_dqinfo {
+	__le32 dqi_flags;	/* Flags for quota file */
+	__le32 dqi_chunks;	/* Number of chunks of quota structures
+				 * with a bitmap */
+	__le32 dqi_blocks;	/* Number of blocks allocated for quota file */
+};
+
+/* Header of one chunk of a quota file */
+struct ocfs2_local_disk_chunk {
+	__le32 dqc_free;	/* Number of free entries in the bitmap */
+	u8 dqc_bitmap[0];	/* Bitmap of entries in the corresponding
+				 * chunk of quota file */
+};
+
+/* One entry in local quota file */
+struct ocfs2_local_disk_dqblk {
+/*00*/	__le64 dqb_id;		/* id this quota applies to */
+	__le64 dqb_spacemod;	/* Change in the amount of used space */
+/*10*/	__le64 dqb_inodemod;	/* Change in the amount of used inodes */
+};
+
+
+/*
+ * The quota trailer lives at the end of each quota block.
+ */
+
+struct ocfs2_disk_dqtrailer {
+/*00*/	struct ocfs2_block_check dq_check;	/* Error checking */
+/*08*/	/* Cannot be larger than OCFS2_QBLK_RESERVED_SPACE */
+};
+
+static inline struct ocfs2_disk_dqtrailer *ocfs2_block_dqtrailer(int blocksize,
+								 void *buf)
+{
+	char *ptr = buf;
+	ptr += blocksize - OCFS2_QBLK_RESERVED_SPACE;
+
+	return (struct ocfs2_disk_dqtrailer *)ptr;
+}
+
 #ifdef __KERNEL__
 static inline int ocfs2_fast_symlink_chars(struct super_block *sb)
 {
diff --git a/fs/ocfs2/ocfs2_jbd_compat.h b/fs/ocfs2/ocfs2_jbd_compat.h
deleted file mode 100644
index b91c78f..0000000
--- a/fs/ocfs2/ocfs2_jbd_compat.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
- * ocfs2_jbd_compat.h
- *
- * Compatibility defines for JBD.
- *
- * Copyright (C) 2008 Oracle.  All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- */
-
-#ifndef OCFS2_JBD_COMPAT_H
-#define OCFS2_JBD_COMPAT_H
-
-#ifndef CONFIG_OCFS2_COMPAT_JBD
-# error Should not have been included
-#endif
-
-struct jbd2_inode {
-	unsigned int dummy;
-};
-
-#define JBD2_BARRIER			JFS_BARRIER
-#define JBD2_DEFAULT_MAX_COMMIT_AGE	JBD_DEFAULT_MAX_COMMIT_AGE
-
-#define jbd2_journal_ack_err			journal_ack_err
-#define jbd2_journal_clear_err			journal_clear_err
-#define jbd2_journal_destroy			journal_destroy
-#define jbd2_journal_dirty_metadata		journal_dirty_metadata
-#define jbd2_journal_errno			journal_errno
-#define jbd2_journal_extend			journal_extend
-#define jbd2_journal_flush			journal_flush
-#define jbd2_journal_force_commit		journal_force_commit
-#define jbd2_journal_get_write_access		journal_get_write_access
-#define jbd2_journal_get_undo_access		journal_get_undo_access
-#define jbd2_journal_init_inode			journal_init_inode
-#define jbd2_journal_invalidatepage		journal_invalidatepage
-#define jbd2_journal_load			journal_load
-#define jbd2_journal_lock_updates		journal_lock_updates
-#define jbd2_journal_restart			journal_restart
-#define jbd2_journal_start			journal_start
-#define jbd2_journal_start_commit		journal_start_commit
-#define jbd2_journal_stop			journal_stop
-#define jbd2_journal_try_to_free_buffers	journal_try_to_free_buffers
-#define jbd2_journal_unlock_updates		journal_unlock_updates
-#define jbd2_journal_wipe			journal_wipe
-#define jbd2_log_wait_commit			log_wait_commit
-
-static inline int jbd2_journal_file_inode(handle_t *handle,
-					  struct jbd2_inode *inode)
-{
-	return 0;
-}
-
-static inline int jbd2_journal_begin_ordered_truncate(struct jbd2_inode *inode,
-						      loff_t new_size)
-{
-	return 0;
-}
-
-static inline void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode,
-					       struct inode *inode)
-{
-	return;
-}
-
-static inline void jbd2_journal_release_jbd_inode(journal_t *journal,
-						  struct jbd2_inode *jinode)
-{
-	return;
-}
-
-
-#endif  /* OCFS2_JBD_COMPAT_H */
diff --git a/fs/ocfs2/ocfs2_lockid.h b/fs/ocfs2/ocfs2_lockid.h
index 82c200f..eb6f50c 100644
--- a/fs/ocfs2/ocfs2_lockid.h
+++ b/fs/ocfs2/ocfs2_lockid.h
@@ -46,6 +46,7 @@
 	OCFS2_LOCK_TYPE_DENTRY,
 	OCFS2_LOCK_TYPE_OPEN,
 	OCFS2_LOCK_TYPE_FLOCK,
+	OCFS2_LOCK_TYPE_QINFO,
 	OCFS2_NUM_LOCK_TYPES
 };
 
@@ -77,6 +78,9 @@
 		case OCFS2_LOCK_TYPE_FLOCK:
 			c = 'F';
 			break;
+		case OCFS2_LOCK_TYPE_QINFO:
+			c = 'Q';
+			break;
 		default:
 			c = '\0';
 	}
@@ -95,6 +99,7 @@
 	[OCFS2_LOCK_TYPE_DENTRY] = "Dentry",
 	[OCFS2_LOCK_TYPE_OPEN] = "Open",
 	[OCFS2_LOCK_TYPE_FLOCK] = "Flock",
+	[OCFS2_LOCK_TYPE_QINFO] = "Quota",
 };
 
 static inline const char *ocfs2_lock_type_string(enum ocfs2_lock_type type)
diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h
new file mode 100644
index 0000000..7365e2e
--- /dev/null
+++ b/fs/ocfs2/quota.h
@@ -0,0 +1,119 @@
+/*
+ * quota.h for OCFS2
+ *
+ * On disk quota structures for local and global quota file, in-memory
+ * structures.
+ *
+ */
+
+#ifndef _OCFS2_QUOTA_H
+#define _OCFS2_QUOTA_H
+
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/quota.h>
+#include <linux/list.h>
+#include <linux/dqblk_qtree.h>
+
+#include "ocfs2.h"
+
+/* Common stuff */
+/* id number of quota format */
+#define QFMT_OCFS2 3
+
+/*
+ * In-memory structures
+ */
+struct ocfs2_dquot {
+	struct dquot dq_dquot;	/* Generic VFS dquot */
+	loff_t dq_local_off;	/* Offset in the local quota file */
+	struct ocfs2_quota_chunk *dq_chunk;	/* Chunk dquot is in */
+	unsigned int dq_use_count;	/* Number of nodes having reference to this entry in global quota file */
+	s64 dq_origspace;	/* Last globally synced space usage */
+	s64 dq_originodes;	/* Last globally synced inode usage */
+};
+
+/* Description of one chunk to recover in memory */
+struct ocfs2_recovery_chunk {
+	struct list_head rc_list;	/* List of chunks */
+	int rc_chunk;			/* Chunk number */
+	unsigned long *rc_bitmap;	/* Bitmap of entries to recover */
+};
+
+struct ocfs2_quota_recovery {
+	struct list_head r_list[MAXQUOTAS];	/* List of chunks to recover */
+};
+
+/* In-memory structure with quota header information */
+struct ocfs2_mem_dqinfo {
+	unsigned int dqi_type;		/* Quota type this structure describes */
+	unsigned int dqi_chunks;	/* Number of chunks in local quota file */
+	unsigned int dqi_blocks;	/* Number of blocks allocated for local quota file */
+	unsigned int dqi_syncms;	/* How often should we sync with other nodes */
+	unsigned int dqi_syncjiff;	/* Precomputed dqi_syncms in jiffies */
+	struct list_head dqi_chunk;	/* List of chunks */
+	struct inode *dqi_gqinode;	/* Global quota file inode */
+	struct ocfs2_lock_res dqi_gqlock;	/* Lock protecting quota information structure */
+	struct buffer_head *dqi_gqi_bh;	/* Buffer head with global quota file inode - set only if inode lock is obtained */
+	int dqi_gqi_count;		/* Number of holders of dqi_gqi_bh */
+	struct buffer_head *dqi_lqi_bh;	/* Buffer head with local quota file inode */
+	struct buffer_head *dqi_ibh;	/* Buffer with information header */
+	struct qtree_mem_dqinfo dqi_gi;	/* Info about global file */
+	struct delayed_work dqi_sync_work;	/* Work for syncing dquots */
+	struct ocfs2_quota_recovery *dqi_rec;	/* Pointer to recovery
+						 * information, in case we
+						 * enable quotas on file
+						 * needing it */
+};
+
+static inline struct ocfs2_dquot *OCFS2_DQUOT(struct dquot *dquot)
+{
+	return container_of(dquot, struct ocfs2_dquot, dq_dquot);
+}
+
+struct ocfs2_quota_chunk {
+	struct list_head qc_chunk;	/* List of quotafile chunks */
+	int qc_num;			/* Number of quota chunk */
+	struct buffer_head *qc_headerbh;	/* Buffer head with chunk header */
+};
+
+extern struct kmem_cache *ocfs2_dquot_cachep;
+extern struct kmem_cache *ocfs2_qf_chunk_cachep;
+
+extern struct qtree_fmt_operations ocfs2_global_ops;
+
+struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery(
+				struct ocfs2_super *osb, int slot_num);
+int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
+				struct ocfs2_quota_recovery *rec,
+				int slot_num);
+void ocfs2_free_quota_recovery(struct ocfs2_quota_recovery *rec);
+ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data,
+			 size_t len, loff_t off);
+ssize_t ocfs2_quota_write(struct super_block *sb, int type,
+			  const char *data, size_t len, loff_t off);
+int ocfs2_global_read_info(struct super_block *sb, int type);
+int ocfs2_global_write_info(struct super_block *sb, int type);
+int ocfs2_global_read_dquot(struct dquot *dquot);
+int __ocfs2_sync_dquot(struct dquot *dquot, int freeing);
+static inline int ocfs2_sync_dquot(struct dquot *dquot)
+{
+	return __ocfs2_sync_dquot(dquot, 0);
+}
+static inline int ocfs2_global_release_dquot(struct dquot *dquot)
+{
+	return __ocfs2_sync_dquot(dquot, 1);
+}
+
+int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex);
+void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex);
+int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
+			   struct buffer_head **bh);
+
+extern struct dquot_operations ocfs2_quota_operations;
+extern struct quota_format_type ocfs2_quota_format;
+
+int ocfs2_quota_setup(void);
+void ocfs2_quota_shutdown(void);
+
+#endif /* _OCFS2_QUOTA_H */
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
new file mode 100644
index 0000000..6aff8f2
--- /dev/null
+++ b/fs/ocfs2/quota_global.c
@@ -0,0 +1,1025 @@
+/*
+ *  Implementation of operations over global quota file
+ */
+#include <linux/spinlock.h>
+#include <linux/fs.h>
+#include <linux/quota.h>
+#include <linux/quotaops.h>
+#include <linux/dqblk_qtree.h>
+#include <linux/jiffies.h>
+#include <linux/writeback.h>
+#include <linux/workqueue.h>
+
+#define MLOG_MASK_PREFIX ML_QUOTA
+#include <cluster/masklog.h>
+
+#include "ocfs2_fs.h"
+#include "ocfs2.h"
+#include "alloc.h"
+#include "blockcheck.h"
+#include "inode.h"
+#include "journal.h"
+#include "file.h"
+#include "sysfile.h"
+#include "dlmglue.h"
+#include "uptodate.h"
+#include "quota.h"
+
+static struct workqueue_struct *ocfs2_quota_wq = NULL;
+
+static void qsync_work_fn(struct work_struct *work);
+
+static void ocfs2_global_disk2memdqb(struct dquot *dquot, void *dp)
+{
+	struct ocfs2_global_disk_dqblk *d = dp;
+	struct mem_dqblk *m = &dquot->dq_dqb;
+
+	/* Update from disk only entries not set by the admin */
+	if (!test_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags)) {
+		m->dqb_ihardlimit = le64_to_cpu(d->dqb_ihardlimit);
+		m->dqb_isoftlimit = le64_to_cpu(d->dqb_isoftlimit);
+	}
+	if (!test_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags))
+		m->dqb_curinodes = le64_to_cpu(d->dqb_curinodes);
+	if (!test_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags)) {
+		m->dqb_bhardlimit = le64_to_cpu(d->dqb_bhardlimit);
+		m->dqb_bsoftlimit = le64_to_cpu(d->dqb_bsoftlimit);
+	}
+	if (!test_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags))
+		m->dqb_curspace = le64_to_cpu(d->dqb_curspace);
+	if (!test_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags))
+		m->dqb_btime = le64_to_cpu(d->dqb_btime);
+	if (!test_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags))
+		m->dqb_itime = le64_to_cpu(d->dqb_itime);
+	OCFS2_DQUOT(dquot)->dq_use_count = le32_to_cpu(d->dqb_use_count);
+}
+
+static void ocfs2_global_mem2diskdqb(void *dp, struct dquot *dquot)
+{
+	struct ocfs2_global_disk_dqblk *d = dp;
+	struct mem_dqblk *m = &dquot->dq_dqb;
+
+	d->dqb_id = cpu_to_le32(dquot->dq_id);
+	d->dqb_use_count = cpu_to_le32(OCFS2_DQUOT(dquot)->dq_use_count);
+	d->dqb_ihardlimit = cpu_to_le64(m->dqb_ihardlimit);
+	d->dqb_isoftlimit = cpu_to_le64(m->dqb_isoftlimit);
+	d->dqb_curinodes = cpu_to_le64(m->dqb_curinodes);
+	d->dqb_bhardlimit = cpu_to_le64(m->dqb_bhardlimit);
+	d->dqb_bsoftlimit = cpu_to_le64(m->dqb_bsoftlimit);
+	d->dqb_curspace = cpu_to_le64(m->dqb_curspace);
+	d->dqb_btime = cpu_to_le64(m->dqb_btime);
+	d->dqb_itime = cpu_to_le64(m->dqb_itime);
+}
+
+static int ocfs2_global_is_id(void *dp, struct dquot *dquot)
+{
+	struct ocfs2_global_disk_dqblk *d = dp;
+	struct ocfs2_mem_dqinfo *oinfo =
+			sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv;
+
+	if (qtree_entry_unused(&oinfo->dqi_gi, dp))
+		return 0;
+	return le32_to_cpu(d->dqb_id) == dquot->dq_id;
+}
+
+struct qtree_fmt_operations ocfs2_global_ops = {
+	.mem2disk_dqblk = ocfs2_global_mem2diskdqb,
+	.disk2mem_dqblk = ocfs2_global_disk2memdqb,
+	.is_id = ocfs2_global_is_id,
+};
+
+static int ocfs2_validate_quota_block(struct super_block *sb,
+				      struct buffer_head *bh)
+{
+	struct ocfs2_disk_dqtrailer *dqt =
+		ocfs2_block_dqtrailer(sb->s_blocksize, bh->b_data);
+
+	mlog(0, "Validating quota block %llu\n",
+	     (unsigned long long)bh->b_blocknr);
+
+	BUG_ON(!buffer_uptodate(bh));
+
+	/*
+	 * If the ecc fails, we return the error but otherwise
+	 * leave the filesystem running.  We know any error is
+	 * local to this block.
+	 */
+	return ocfs2_validate_meta_ecc(sb, bh->b_data, &dqt->dq_check);
+}
+
+int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
+			   struct buffer_head **bh)
+{
+	int rc = 0;
+	struct buffer_head *tmp = *bh;
+
+	rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0,
+				    ocfs2_validate_quota_block);
+	if (rc)
+		mlog_errno(rc);
+
+	/* If ocfs2_read_virt_blocks() got us a new bh, pass it up. */
+	if (!rc && !*bh)
+		*bh = tmp;
+
+	return rc;
+}
+
+static int ocfs2_get_quota_block(struct inode *inode, int block,
+				 struct buffer_head **bh)
+{
+	u64 pblock, pcount;
+	int err;
+
+	down_read(&OCFS2_I(inode)->ip_alloc_sem);
+	err = ocfs2_extent_map_get_blocks(inode, block, &pblock, &pcount, NULL);
+	up_read(&OCFS2_I(inode)->ip_alloc_sem);
+	if (err) {
+		mlog_errno(err);
+		return err;
+	}
+	*bh = sb_getblk(inode->i_sb, pblock);
+	if (!*bh) {
+		err = -EIO;
+		mlog_errno(err);
+	}
+	return err;;
+}
+
+/* Read data from global quotafile - avoid pagecache and such because we cannot
+ * afford acquiring the locks... We use quota cluster lock to serialize
+ * operations. Caller is responsible for acquiring it. */
+ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data,
+			 size_t len, loff_t off)
+{
+	struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv;
+	struct inode *gqinode = oinfo->dqi_gqinode;
+	loff_t i_size = i_size_read(gqinode);
+	int offset = off & (sb->s_blocksize - 1);
+	sector_t blk = off >> sb->s_blocksize_bits;
+	int err = 0;
+	struct buffer_head *bh;
+	size_t toread, tocopy;
+
+	if (off > i_size)
+		return 0;
+	if (off + len > i_size)
+		len = i_size - off;
+	toread = len;
+	while (toread > 0) {
+		tocopy = min_t(size_t, (sb->s_blocksize - offset), toread);
+		bh = NULL;
+		err = ocfs2_read_quota_block(gqinode, blk, &bh);
+		if (err) {
+			mlog_errno(err);
+			return err;
+		}
+		memcpy(data, bh->b_data + offset, tocopy);
+		brelse(bh);
+		offset = 0;
+		toread -= tocopy;
+		data += tocopy;
+		blk++;
+	}
+	return len;
+}
+
+/* Write to quotafile (we know the transaction is already started and has
+ * enough credits) */
+ssize_t ocfs2_quota_write(struct super_block *sb, int type,
+			  const char *data, size_t len, loff_t off)
+{
+	struct mem_dqinfo *info = sb_dqinfo(sb, type);
+	struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
+	struct inode *gqinode = oinfo->dqi_gqinode;
+	int offset = off & (sb->s_blocksize - 1);
+	sector_t blk = off >> sb->s_blocksize_bits;
+	int err = 0, new = 0, ja_type;
+	struct buffer_head *bh = NULL;
+	handle_t *handle = journal_current_handle();
+
+	if (!handle) {
+		mlog(ML_ERROR, "Quota write (off=%llu, len=%llu) cancelled "
+		     "because transaction was not started.\n",
+		     (unsigned long long)off, (unsigned long long)len);
+		return -EIO;
+	}
+	if (len > sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE - offset) {
+		WARN_ON(1);
+		len = sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE - offset;
+	}
+
+	mutex_lock_nested(&gqinode->i_mutex, I_MUTEX_QUOTA);
+	if (gqinode->i_size < off + len) {
+		down_write(&OCFS2_I(gqinode)->ip_alloc_sem);
+		err = ocfs2_extend_no_holes(gqinode, off + len, off);
+		up_write(&OCFS2_I(gqinode)->ip_alloc_sem);
+		if (err < 0)
+			goto out;
+		err = ocfs2_simple_size_update(gqinode,
+					       oinfo->dqi_gqi_bh,
+					       off + len);
+		if (err < 0)
+			goto out;
+		new = 1;
+	}
+	/* Not rewriting whole block? */
+	if ((offset || len < sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE) &&
+	    !new) {
+		err = ocfs2_read_quota_block(gqinode, blk, &bh);
+		ja_type = OCFS2_JOURNAL_ACCESS_WRITE;
+	} else {
+		err = ocfs2_get_quota_block(gqinode, blk, &bh);
+		ja_type = OCFS2_JOURNAL_ACCESS_CREATE;
+	}
+	if (err) {
+		mlog_errno(err);
+		return err;
+	}
+	lock_buffer(bh);
+	if (new)
+		memset(bh->b_data, 0, sb->s_blocksize);
+	memcpy(bh->b_data + offset, data, len);
+	flush_dcache_page(bh->b_page);
+	set_buffer_uptodate(bh);
+	unlock_buffer(bh);
+	ocfs2_set_buffer_uptodate(gqinode, bh);
+	err = ocfs2_journal_access_dq(handle, gqinode, bh, ja_type);
+	if (err < 0) {
+		brelse(bh);
+		goto out;
+	}
+	err = ocfs2_journal_dirty(handle, bh);
+	brelse(bh);
+	if (err < 0)
+		goto out;
+out:
+	if (err) {
+		mutex_unlock(&gqinode->i_mutex);
+		mlog_errno(err);
+		return err;
+	}
+	gqinode->i_version++;
+	ocfs2_mark_inode_dirty(handle, gqinode, oinfo->dqi_gqi_bh);
+	mutex_unlock(&gqinode->i_mutex);
+	return len;
+}
+
+int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex)
+{
+	int status;
+	struct buffer_head *bh = NULL;
+
+	status = ocfs2_inode_lock(oinfo->dqi_gqinode, &bh, ex);
+	if (status < 0)
+		return status;
+	spin_lock(&dq_data_lock);
+	if (!oinfo->dqi_gqi_count++)
+		oinfo->dqi_gqi_bh = bh;
+	else
+		WARN_ON(bh != oinfo->dqi_gqi_bh);
+	spin_unlock(&dq_data_lock);
+	return 0;
+}
+
+void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex)
+{
+	ocfs2_inode_unlock(oinfo->dqi_gqinode, ex);
+	brelse(oinfo->dqi_gqi_bh);
+	spin_lock(&dq_data_lock);
+	if (!--oinfo->dqi_gqi_count)
+		oinfo->dqi_gqi_bh = NULL;
+	spin_unlock(&dq_data_lock);
+}
+
+/* Read information header from global quota file */
+int ocfs2_global_read_info(struct super_block *sb, int type)
+{
+	struct inode *gqinode = NULL;
+	unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
+					GROUP_QUOTA_SYSTEM_INODE };
+	struct ocfs2_global_disk_dqinfo dinfo;
+	struct mem_dqinfo *info = sb_dqinfo(sb, type);
+	struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
+	int status;
+
+	mlog_entry_void();
+
+	/* Read global header */
+	gqinode = ocfs2_get_system_file_inode(OCFS2_SB(sb), ino[type],
+			OCFS2_INVALID_SLOT);
+	if (!gqinode) {
+		mlog(ML_ERROR, "failed to get global quota inode (type=%d)\n",
+			type);
+		status = -EINVAL;
+		goto out_err;
+	}
+	oinfo->dqi_gi.dqi_sb = sb;
+	oinfo->dqi_gi.dqi_type = type;
+	ocfs2_qinfo_lock_res_init(&oinfo->dqi_gqlock, oinfo);
+	oinfo->dqi_gi.dqi_entry_size = sizeof(struct ocfs2_global_disk_dqblk);
+	oinfo->dqi_gi.dqi_ops = &ocfs2_global_ops;
+	oinfo->dqi_gqi_bh = NULL;
+	oinfo->dqi_gqi_count = 0;
+	oinfo->dqi_gqinode = gqinode;
+	status = ocfs2_lock_global_qf(oinfo, 0);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_err;
+	}
+	status = sb->s_op->quota_read(sb, type, (char *)&dinfo,
+				      sizeof(struct ocfs2_global_disk_dqinfo),
+				      OCFS2_GLOBAL_INFO_OFF);
+	ocfs2_unlock_global_qf(oinfo, 0);
+	if (status != sizeof(struct ocfs2_global_disk_dqinfo)) {
+		mlog(ML_ERROR, "Cannot read global quota info (%d).\n",
+		     status);
+		if (status >= 0)
+			status = -EIO;
+		mlog_errno(status);
+		goto out_err;
+	}
+	info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace);
+	info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace);
+	oinfo->dqi_syncms = le32_to_cpu(dinfo.dqi_syncms);
+	oinfo->dqi_syncjiff = msecs_to_jiffies(oinfo->dqi_syncms);
+	oinfo->dqi_gi.dqi_blocks = le32_to_cpu(dinfo.dqi_blocks);
+	oinfo->dqi_gi.dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk);
+	oinfo->dqi_gi.dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry);
+	oinfo->dqi_gi.dqi_blocksize_bits = sb->s_blocksize_bits;
+	oinfo->dqi_gi.dqi_usable_bs = sb->s_blocksize -
+						OCFS2_QBLK_RESERVED_SPACE;
+	oinfo->dqi_gi.dqi_qtree_depth = qtree_depth(&oinfo->dqi_gi);
+	INIT_DELAYED_WORK(&oinfo->dqi_sync_work, qsync_work_fn);
+	queue_delayed_work(ocfs2_quota_wq, &oinfo->dqi_sync_work,
+			   oinfo->dqi_syncjiff);
+
+out_err:
+	mlog_exit(status);
+	return status;
+}
+
+/* Write information to global quota file. Expects exlusive lock on quota
+ * file inode and quota info */
+static int __ocfs2_global_write_info(struct super_block *sb, int type)
+{
+	struct mem_dqinfo *info = sb_dqinfo(sb, type);
+	struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
+	struct ocfs2_global_disk_dqinfo dinfo;
+	ssize_t size;
+
+	spin_lock(&dq_data_lock);
+	info->dqi_flags &= ~DQF_INFO_DIRTY;
+	dinfo.dqi_bgrace = cpu_to_le32(info->dqi_bgrace);
+	dinfo.dqi_igrace = cpu_to_le32(info->dqi_igrace);
+	spin_unlock(&dq_data_lock);
+	dinfo.dqi_syncms = cpu_to_le32(oinfo->dqi_syncms);
+	dinfo.dqi_blocks = cpu_to_le32(oinfo->dqi_gi.dqi_blocks);
+	dinfo.dqi_free_blk = cpu_to_le32(oinfo->dqi_gi.dqi_free_blk);
+	dinfo.dqi_free_entry = cpu_to_le32(oinfo->dqi_gi.dqi_free_entry);
+	size = sb->s_op->quota_write(sb, type, (char *)&dinfo,
+				     sizeof(struct ocfs2_global_disk_dqinfo),
+				     OCFS2_GLOBAL_INFO_OFF);
+	if (size != sizeof(struct ocfs2_global_disk_dqinfo)) {
+		mlog(ML_ERROR, "Cannot write global quota info structure\n");
+		if (size >= 0)
+			size = -EIO;
+		return size;
+	}
+	return 0;
+}
+
+int ocfs2_global_write_info(struct super_block *sb, int type)
+{
+	int err;
+	struct ocfs2_mem_dqinfo *info = sb_dqinfo(sb, type)->dqi_priv;
+
+	err = ocfs2_qinfo_lock(info, 1);
+	if (err < 0)
+		return err;
+	err = __ocfs2_global_write_info(sb, type);
+	ocfs2_qinfo_unlock(info, 1);
+	return err;
+}
+
+/* Read in information from global quota file and acquire a reference to it.
+ * dquot_acquire() has already started the transaction and locked quota file */
+int ocfs2_global_read_dquot(struct dquot *dquot)
+{
+	int err, err2, ex = 0;
+	struct ocfs2_mem_dqinfo *info =
+			sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv;
+
+	err = ocfs2_qinfo_lock(info, 0);
+	if (err < 0)
+		goto out;
+	err = qtree_read_dquot(&info->dqi_gi, dquot);
+	if (err < 0)
+		goto out_qlock;
+	OCFS2_DQUOT(dquot)->dq_use_count++;
+	OCFS2_DQUOT(dquot)->dq_origspace = dquot->dq_dqb.dqb_curspace;
+	OCFS2_DQUOT(dquot)->dq_originodes = dquot->dq_dqb.dqb_curinodes;
+	if (!dquot->dq_off) {	/* No real quota entry? */
+		/* Upgrade to exclusive lock for allocation */
+		err = ocfs2_qinfo_lock(info, 1);
+		if (err < 0)
+			goto out_qlock;
+		ex = 1;
+	}
+	err = qtree_write_dquot(&info->dqi_gi, dquot);
+	if (ex && info_dirty(sb_dqinfo(dquot->dq_sb, dquot->dq_type))) {
+		err2 = __ocfs2_global_write_info(dquot->dq_sb, dquot->dq_type);
+		if (!err)
+			err = err2;
+	}
+out_qlock:
+	if (ex)
+		ocfs2_qinfo_unlock(info, 1);
+	ocfs2_qinfo_unlock(info, 0);
+out:
+	if (err < 0)
+		mlog_errno(err);
+	return err;
+}
+
+/* Sync local information about quota modifications with global quota file.
+ * Caller must have started the transaction and obtained exclusive lock for
+ * global quota file inode */
+int __ocfs2_sync_dquot(struct dquot *dquot, int freeing)
+{
+	int err, err2;
+	struct super_block *sb = dquot->dq_sb;
+	int type = dquot->dq_type;
+	struct ocfs2_mem_dqinfo *info = sb_dqinfo(sb, type)->dqi_priv;
+	struct ocfs2_global_disk_dqblk dqblk;
+	s64 spacechange, inodechange;
+	time_t olditime, oldbtime;
+
+	err = sb->s_op->quota_read(sb, type, (char *)&dqblk,
+				   sizeof(struct ocfs2_global_disk_dqblk),
+				   dquot->dq_off);
+	if (err != sizeof(struct ocfs2_global_disk_dqblk)) {
+		if (err >= 0) {
+			mlog(ML_ERROR, "Short read from global quota file "
+				       "(%u read)\n", err);
+			err = -EIO;
+		}
+		goto out;
+	}
+
+	/* Update space and inode usage. Get also other information from
+	 * global quota file so that we don't overwrite any changes there.
+	 * We are */
+	spin_lock(&dq_data_lock);
+	spacechange = dquot->dq_dqb.dqb_curspace -
+					OCFS2_DQUOT(dquot)->dq_origspace;
+	inodechange = dquot->dq_dqb.dqb_curinodes -
+					OCFS2_DQUOT(dquot)->dq_originodes;
+	olditime = dquot->dq_dqb.dqb_itime;
+	oldbtime = dquot->dq_dqb.dqb_btime;
+	ocfs2_global_disk2memdqb(dquot, &dqblk);
+	mlog(0, "Syncing global dquot %u space %lld+%lld, inodes %lld+%lld\n",
+	     dquot->dq_id, dquot->dq_dqb.dqb_curspace, (long long)spacechange,
+	     dquot->dq_dqb.dqb_curinodes, (long long)inodechange);
+	if (!test_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags))
+		dquot->dq_dqb.dqb_curspace += spacechange;
+	if (!test_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags))
+		dquot->dq_dqb.dqb_curinodes += inodechange;
+	/* Set properly space grace time... */
+	if (dquot->dq_dqb.dqb_bsoftlimit &&
+	    dquot->dq_dqb.dqb_curspace > dquot->dq_dqb.dqb_bsoftlimit) {
+		if (!test_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags) &&
+		    oldbtime > 0) {
+			if (dquot->dq_dqb.dqb_btime > 0)
+				dquot->dq_dqb.dqb_btime =
+					min(dquot->dq_dqb.dqb_btime, oldbtime);
+			else
+				dquot->dq_dqb.dqb_btime = oldbtime;
+		}
+	} else {
+		dquot->dq_dqb.dqb_btime = 0;
+		clear_bit(DQ_BLKS_B, &dquot->dq_flags);
+	}
+	/* Set properly inode grace time... */
+	if (dquot->dq_dqb.dqb_isoftlimit &&
+	    dquot->dq_dqb.dqb_curinodes > dquot->dq_dqb.dqb_isoftlimit) {
+		if (!test_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags) &&
+		    olditime > 0) {
+			if (dquot->dq_dqb.dqb_itime > 0)
+				dquot->dq_dqb.dqb_itime =
+					min(dquot->dq_dqb.dqb_itime, olditime);
+			else
+				dquot->dq_dqb.dqb_itime = olditime;
+		}
+	} else {
+		dquot->dq_dqb.dqb_itime = 0;
+		clear_bit(DQ_INODES_B, &dquot->dq_flags);
+	}
+	/* All information is properly updated, clear the flags */
+	__clear_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags);
+	__clear_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags);
+	__clear_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags);
+	__clear_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags);
+	__clear_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags);
+	__clear_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags);
+	OCFS2_DQUOT(dquot)->dq_origspace = dquot->dq_dqb.dqb_curspace;
+	OCFS2_DQUOT(dquot)->dq_originodes = dquot->dq_dqb.dqb_curinodes;
+	spin_unlock(&dq_data_lock);
+	err = ocfs2_qinfo_lock(info, freeing);
+	if (err < 0) {
+		mlog(ML_ERROR, "Failed to lock quota info, loosing quota write"
+			       " (type=%d, id=%u)\n", dquot->dq_type,
+			       (unsigned)dquot->dq_id);
+		goto out;
+	}
+	if (freeing)
+		OCFS2_DQUOT(dquot)->dq_use_count--;
+	err = qtree_write_dquot(&info->dqi_gi, dquot);
+	if (err < 0)
+		goto out_qlock;
+	if (freeing && !OCFS2_DQUOT(dquot)->dq_use_count) {
+		err = qtree_release_dquot(&info->dqi_gi, dquot);
+		if (info_dirty(sb_dqinfo(sb, type))) {
+			err2 = __ocfs2_global_write_info(sb, type);
+			if (!err)
+				err = err2;
+		}
+	}
+out_qlock:
+	ocfs2_qinfo_unlock(info, freeing);
+out:
+	if (err < 0)
+		mlog_errno(err);
+	return err;
+}
+
+/*
+ *  Functions for periodic syncing of dquots with global file
+ */
+static int ocfs2_sync_dquot_helper(struct dquot *dquot, unsigned long type)
+{
+	handle_t *handle;
+	struct super_block *sb = dquot->dq_sb;
+	struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv;
+	struct ocfs2_super *osb = OCFS2_SB(sb);
+	int status = 0;
+
+	mlog_entry("id=%u qtype=%u type=%lu device=%s\n", dquot->dq_id,
+		   dquot->dq_type, type, sb->s_id);
+	if (type != dquot->dq_type)
+		goto out;
+	status = ocfs2_lock_global_qf(oinfo, 1);
+	if (status < 0)
+		goto out;
+
+	handle = ocfs2_start_trans(osb, OCFS2_QSYNC_CREDITS);
+	if (IS_ERR(handle)) {
+		status = PTR_ERR(handle);
+		mlog_errno(status);
+		goto out_ilock;
+	}
+	mutex_lock(&sb_dqopt(sb)->dqio_mutex);
+	status = ocfs2_sync_dquot(dquot);
+	mutex_unlock(&sb_dqopt(sb)->dqio_mutex);
+	if (status < 0)
+		mlog_errno(status);
+	/* We have to write local structure as well... */
+	dquot_mark_dquot_dirty(dquot);
+	status = dquot_commit(dquot);
+	if (status < 0)
+		mlog_errno(status);
+	ocfs2_commit_trans(osb, handle);
+out_ilock:
+	ocfs2_unlock_global_qf(oinfo, 1);
+out:
+	mlog_exit(status);
+	return status;
+}
+
+static void qsync_work_fn(struct work_struct *work)
+{
+	struct ocfs2_mem_dqinfo *oinfo = container_of(work,
+						      struct ocfs2_mem_dqinfo,
+						      dqi_sync_work.work);
+	struct super_block *sb = oinfo->dqi_gqinode->i_sb;
+
+	dquot_scan_active(sb, ocfs2_sync_dquot_helper, oinfo->dqi_type);
+	queue_delayed_work(ocfs2_quota_wq, &oinfo->dqi_sync_work,
+			   oinfo->dqi_syncjiff);
+}
+
+/*
+ *  Wrappers for generic quota functions
+ */
+
+static int ocfs2_write_dquot(struct dquot *dquot)
+{
+	handle_t *handle;
+	struct ocfs2_super *osb = OCFS2_SB(dquot->dq_sb);
+	int status = 0;
+
+	mlog_entry("id=%u, type=%d", dquot->dq_id, dquot->dq_type);
+
+	handle = ocfs2_start_trans(osb, OCFS2_QWRITE_CREDITS);
+	if (IS_ERR(handle)) {
+		status = PTR_ERR(handle);
+		mlog_errno(status);
+		goto out;
+	}
+	status = dquot_commit(dquot);
+	ocfs2_commit_trans(osb, handle);
+out:
+	mlog_exit(status);
+	return status;
+}
+
+int ocfs2_calc_qdel_credits(struct super_block *sb, int type)
+{
+	struct ocfs2_mem_dqinfo *oinfo;
+	int features[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
+				    OCFS2_FEATURE_RO_COMPAT_GRPQUOTA };
+
+	if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, features[type]))
+		return 0;
+
+	oinfo = sb_dqinfo(sb, type)->dqi_priv;
+	/* We modify tree, leaf block, global info, local chunk header,
+	 * global and local inode */
+	return oinfo->dqi_gi.dqi_qtree_depth + 2 + 1 +
+	       2 * OCFS2_INODE_UPDATE_CREDITS;
+}
+
+static int ocfs2_release_dquot(struct dquot *dquot)
+{
+	handle_t *handle;
+	struct ocfs2_mem_dqinfo *oinfo =
+			sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv;
+	struct ocfs2_super *osb = OCFS2_SB(dquot->dq_sb);
+	int status = 0;
+
+	mlog_entry("id=%u, type=%d", dquot->dq_id, dquot->dq_type);
+
+	status = ocfs2_lock_global_qf(oinfo, 1);
+	if (status < 0)
+		goto out;
+	handle = ocfs2_start_trans(osb,
+		ocfs2_calc_qdel_credits(dquot->dq_sb, dquot->dq_type));
+	if (IS_ERR(handle)) {
+		status = PTR_ERR(handle);
+		mlog_errno(status);
+		goto out_ilock;
+	}
+	status = dquot_release(dquot);
+	ocfs2_commit_trans(osb, handle);
+out_ilock:
+	ocfs2_unlock_global_qf(oinfo, 1);
+out:
+	mlog_exit(status);
+	return status;
+}
+
+int ocfs2_calc_qinit_credits(struct super_block *sb, int type)
+{
+	struct ocfs2_mem_dqinfo *oinfo;
+	int features[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
+				    OCFS2_FEATURE_RO_COMPAT_GRPQUOTA };
+	struct ocfs2_dinode *lfe, *gfe;
+
+	if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, features[type]))
+		return 0;
+
+	oinfo = sb_dqinfo(sb, type)->dqi_priv;
+	gfe = (struct ocfs2_dinode *)oinfo->dqi_gqi_bh->b_data;
+	lfe = (struct ocfs2_dinode *)oinfo->dqi_lqi_bh->b_data;
+	/* We can extend local file + global file. In local file we
+	 * can modify info, chunk header block and dquot block. In
+	 * global file we can modify info, tree and leaf block */
+	return ocfs2_calc_extend_credits(sb, &lfe->id2.i_list, 0) +
+	       ocfs2_calc_extend_credits(sb, &gfe->id2.i_list, 0) +
+	       3 + oinfo->dqi_gi.dqi_qtree_depth + 2;
+}
+
+static int ocfs2_acquire_dquot(struct dquot *dquot)
+{
+	handle_t *handle;
+	struct ocfs2_mem_dqinfo *oinfo =
+			sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv;
+	struct ocfs2_super *osb = OCFS2_SB(dquot->dq_sb);
+	int status = 0;
+
+	mlog_entry("id=%u, type=%d", dquot->dq_id, dquot->dq_type);
+	/* We need an exclusive lock, because we're going to update use count
+	 * and instantiate possibly new dquot structure */
+	status = ocfs2_lock_global_qf(oinfo, 1);
+	if (status < 0)
+		goto out;
+	handle = ocfs2_start_trans(osb,
+		ocfs2_calc_qinit_credits(dquot->dq_sb, dquot->dq_type));
+	if (IS_ERR(handle)) {
+		status = PTR_ERR(handle);
+		mlog_errno(status);
+		goto out_ilock;
+	}
+	status = dquot_acquire(dquot);
+	ocfs2_commit_trans(osb, handle);
+out_ilock:
+	ocfs2_unlock_global_qf(oinfo, 1);
+out:
+	mlog_exit(status);
+	return status;
+}
+
+static int ocfs2_mark_dquot_dirty(struct dquot *dquot)
+{
+	unsigned long mask = (1 << (DQ_LASTSET_B + QIF_ILIMITS_B)) |
+			     (1 << (DQ_LASTSET_B + QIF_BLIMITS_B)) |
+			     (1 << (DQ_LASTSET_B + QIF_INODES_B)) |
+			     (1 << (DQ_LASTSET_B + QIF_SPACE_B)) |
+			     (1 << (DQ_LASTSET_B + QIF_BTIME_B)) |
+			     (1 << (DQ_LASTSET_B + QIF_ITIME_B));
+	int sync = 0;
+	int status;
+	struct super_block *sb = dquot->dq_sb;
+	int type = dquot->dq_type;
+	struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv;
+	handle_t *handle;
+	struct ocfs2_super *osb = OCFS2_SB(sb);
+
+	mlog_entry("id=%u, type=%d", dquot->dq_id, type);
+	dquot_mark_dquot_dirty(dquot);
+
+	/* In case user set some limits, sync dquot immediately to global
+	 * quota file so that information propagates quicker */
+	spin_lock(&dq_data_lock);
+	if (dquot->dq_flags & mask)
+		sync = 1;
+	spin_unlock(&dq_data_lock);
+	if (!sync) {
+		status = ocfs2_write_dquot(dquot);
+		goto out;
+	}
+	status = ocfs2_lock_global_qf(oinfo, 1);
+	if (status < 0)
+		goto out;
+	handle = ocfs2_start_trans(osb, OCFS2_QSYNC_CREDITS);
+	if (IS_ERR(handle)) {
+		status = PTR_ERR(handle);
+		mlog_errno(status);
+		goto out_ilock;
+	}
+	status = ocfs2_sync_dquot(dquot);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_trans;
+	}
+	/* Now write updated local dquot structure */
+	status = dquot_commit(dquot);
+out_trans:
+	ocfs2_commit_trans(osb, handle);
+out_ilock:
+	ocfs2_unlock_global_qf(oinfo, 1);
+out:
+	mlog_exit(status);
+	return status;
+}
+
+/* This should happen only after set_dqinfo(). */
+static int ocfs2_write_info(struct super_block *sb, int type)
+{
+	handle_t *handle;
+	int status = 0;
+	struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv;
+
+	mlog_entry_void();
+
+	status = ocfs2_lock_global_qf(oinfo, 1);
+	if (status < 0)
+		goto out;
+	handle = ocfs2_start_trans(OCFS2_SB(sb), OCFS2_QINFO_WRITE_CREDITS);
+	if (IS_ERR(handle)) {
+		status = PTR_ERR(handle);
+		mlog_errno(status);
+		goto out_ilock;
+	}
+	status = dquot_commit_info(sb, type);
+	ocfs2_commit_trans(OCFS2_SB(sb), handle);
+out_ilock:
+	ocfs2_unlock_global_qf(oinfo, 1);
+out:
+	mlog_exit(status);
+	return status;
+}
+
+/* This is difficult. We have to lock quota inode and start transaction
+ * in this function but we don't want to take the penalty of exlusive
+ * quota file lock when we are just going to use cached structures. So
+ * we just take read lock check whether we have dquot cached and if so,
+ * we don't have to take the write lock... */
+static int ocfs2_dquot_initialize(struct inode *inode, int type)
+{
+	handle_t *handle = NULL;
+	int status = 0;
+	struct super_block *sb = inode->i_sb;
+	struct ocfs2_mem_dqinfo *oinfo;
+	int exclusive = 0;
+	int cnt;
+	qid_t id;
+
+	mlog_entry_void();
+
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+		if (type != -1 && cnt != type)
+			continue;
+		if (!sb_has_quota_active(sb, cnt))
+			continue;
+		oinfo = sb_dqinfo(sb, cnt)->dqi_priv;
+		status = ocfs2_lock_global_qf(oinfo, 0);
+		if (status < 0)
+			goto out;
+		/* This is just a performance optimization not a reliable test.
+		 * Since we hold an inode lock, noone can actually release
+		 * the structure until we are finished with initialization. */
+		if (inode->i_dquot[cnt] != NODQUOT) {
+			ocfs2_unlock_global_qf(oinfo, 0);
+			continue;
+		}
+		/* When we have inode lock, we know that no dquot_release() can
+		 * run and thus we can safely check whether we need to
+		 * read+modify global file to get quota information or whether
+		 * our node already has it. */
+		if (cnt == USRQUOTA)
+			id = inode->i_uid;
+		else if (cnt == GRPQUOTA)
+			id = inode->i_gid;
+		else
+			BUG();
+		/* Obtain exclusion from quota off... */
+		down_write(&sb_dqopt(sb)->dqptr_sem);
+		exclusive = !dquot_is_cached(sb, id, cnt);
+		up_write(&sb_dqopt(sb)->dqptr_sem);
+		if (exclusive) {
+			status = ocfs2_lock_global_qf(oinfo, 1);
+			if (status < 0) {
+				exclusive = 0;
+				mlog_errno(status);
+				goto out_ilock;
+			}
+			handle = ocfs2_start_trans(OCFS2_SB(sb),
+					ocfs2_calc_qinit_credits(sb, cnt));
+			if (IS_ERR(handle)) {
+				status = PTR_ERR(handle);
+				mlog_errno(status);
+				goto out_ilock;
+			}
+		}
+		dquot_initialize(inode, cnt);
+		if (exclusive) {
+			ocfs2_commit_trans(OCFS2_SB(sb), handle);
+			ocfs2_unlock_global_qf(oinfo, 1);
+		}
+		ocfs2_unlock_global_qf(oinfo, 0);
+	}
+	mlog_exit(0);
+	return 0;
+out_ilock:
+	if (exclusive)
+		ocfs2_unlock_global_qf(oinfo, 1);
+	ocfs2_unlock_global_qf(oinfo, 0);
+out:
+	mlog_exit(status);
+	return status;
+}
+
+static int ocfs2_dquot_drop_slow(struct inode *inode)
+{
+	int status = 0;
+	int cnt;
+	int got_lock[MAXQUOTAS] = {0, 0};
+	handle_t *handle;
+	struct super_block *sb = inode->i_sb;
+	struct ocfs2_mem_dqinfo *oinfo;
+
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+		if (!sb_has_quota_active(sb, cnt))
+			continue;
+		oinfo = sb_dqinfo(sb, cnt)->dqi_priv;
+		status = ocfs2_lock_global_qf(oinfo, 1);
+		if (status < 0)
+			goto out;
+		got_lock[cnt] = 1;
+	}
+	handle = ocfs2_start_trans(OCFS2_SB(sb),
+			ocfs2_calc_qinit_credits(sb, USRQUOTA) +
+			ocfs2_calc_qinit_credits(sb, GRPQUOTA));
+	if (IS_ERR(handle)) {
+		status = PTR_ERR(handle);
+		mlog_errno(status);
+		goto out;
+	}
+	dquot_drop(inode);
+	ocfs2_commit_trans(OCFS2_SB(sb), handle);
+out:
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++)
+		if (got_lock[cnt]) {
+			oinfo = sb_dqinfo(sb, cnt)->dqi_priv;
+			ocfs2_unlock_global_qf(oinfo, 1);
+		}
+	return status;
+}
+
+/* See the comment before ocfs2_dquot_initialize. */
+static int ocfs2_dquot_drop(struct inode *inode)
+{
+	int status = 0;
+	struct super_block *sb = inode->i_sb;
+	struct ocfs2_mem_dqinfo *oinfo;
+	int exclusive = 0;
+	int cnt;
+	int got_lock[MAXQUOTAS] = {0, 0};
+
+	mlog_entry_void();
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+		if (!sb_has_quota_active(sb, cnt))
+			continue;
+		oinfo = sb_dqinfo(sb, cnt)->dqi_priv;
+		status = ocfs2_lock_global_qf(oinfo, 0);
+		if (status < 0)
+			goto out;
+		got_lock[cnt] = 1;
+	}
+	/* Lock against anyone releasing references so that when when we check
+	 * we know we are not going to be last ones to release dquot */
+	down_write(&sb_dqopt(sb)->dqptr_sem);
+	/* Urgh, this is a terrible hack :( */
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+		if (inode->i_dquot[cnt] != NODQUOT &&
+		    atomic_read(&inode->i_dquot[cnt]->dq_count) > 1) {
+			exclusive = 1;
+			break;
+		}
+	}
+	if (!exclusive)
+		dquot_drop_locked(inode);
+	up_write(&sb_dqopt(sb)->dqptr_sem);
+out:
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++)
+		if (got_lock[cnt]) {
+			oinfo = sb_dqinfo(sb, cnt)->dqi_priv;
+			ocfs2_unlock_global_qf(oinfo, 0);
+		}
+	/* In case we bailed out because we had to do expensive locking
+	 * do it now... */
+	if (exclusive)
+		status = ocfs2_dquot_drop_slow(inode);
+	mlog_exit(status);
+	return status;
+}
+
+static struct dquot *ocfs2_alloc_dquot(struct super_block *sb, int type)
+{
+	struct ocfs2_dquot *dquot =
+				kmem_cache_zalloc(ocfs2_dquot_cachep, GFP_NOFS);
+
+	if (!dquot)
+		return NULL;
+	return &dquot->dq_dquot;
+}
+
+static void ocfs2_destroy_dquot(struct dquot *dquot)
+{
+	kmem_cache_free(ocfs2_dquot_cachep, dquot);
+}
+
+struct dquot_operations ocfs2_quota_operations = {
+	.initialize	= ocfs2_dquot_initialize,
+	.drop		= ocfs2_dquot_drop,
+	.alloc_space	= dquot_alloc_space,
+	.alloc_inode	= dquot_alloc_inode,
+	.free_space	= dquot_free_space,
+	.free_inode	= dquot_free_inode,
+	.transfer	= dquot_transfer,
+	.write_dquot	= ocfs2_write_dquot,
+	.acquire_dquot	= ocfs2_acquire_dquot,
+	.release_dquot	= ocfs2_release_dquot,
+	.mark_dirty	= ocfs2_mark_dquot_dirty,
+	.write_info	= ocfs2_write_info,
+	.alloc_dquot	= ocfs2_alloc_dquot,
+	.destroy_dquot	= ocfs2_destroy_dquot,
+};
+
+int ocfs2_quota_setup(void)
+{
+	ocfs2_quota_wq = create_workqueue("o2quot");
+	if (!ocfs2_quota_wq)
+		return -ENOMEM;
+	return 0;
+}
+
+void ocfs2_quota_shutdown(void)
+{
+	if (ocfs2_quota_wq) {
+		flush_workqueue(ocfs2_quota_wq);
+		destroy_workqueue(ocfs2_quota_wq);
+		ocfs2_quota_wq = NULL;
+	}
+}
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
new file mode 100644
index 0000000..07deec5
--- /dev/null
+++ b/fs/ocfs2/quota_local.c
@@ -0,0 +1,1253 @@
+/*
+ *  Implementation of operations over local quota file
+ */
+
+#include <linux/fs.h>
+#include <linux/quota.h>
+#include <linux/quotaops.h>
+#include <linux/module.h>
+
+#define MLOG_MASK_PREFIX ML_QUOTA
+#include <cluster/masklog.h>
+
+#include "ocfs2_fs.h"
+#include "ocfs2.h"
+#include "inode.h"
+#include "alloc.h"
+#include "file.h"
+#include "buffer_head_io.h"
+#include "journal.h"
+#include "sysfile.h"
+#include "dlmglue.h"
+#include "quota.h"
+
+/* Number of local quota structures per block */
+static inline unsigned int ol_quota_entries_per_block(struct super_block *sb)
+{
+	return ((sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE) /
+		sizeof(struct ocfs2_local_disk_dqblk));
+}
+
+/* Number of blocks with entries in one chunk */
+static inline unsigned int ol_chunk_blocks(struct super_block *sb)
+{
+	return ((sb->s_blocksize - sizeof(struct ocfs2_local_disk_chunk) -
+		 OCFS2_QBLK_RESERVED_SPACE) << 3) /
+	       ol_quota_entries_per_block(sb);
+}
+
+/* Number of entries in a chunk bitmap */
+static unsigned int ol_chunk_entries(struct super_block *sb)
+{
+	return ol_chunk_blocks(sb) * ol_quota_entries_per_block(sb);
+}
+
+/* Offset of the chunk in quota file */
+static unsigned int ol_quota_chunk_block(struct super_block *sb, int c)
+{
+	/* 1 block for local quota file info, 1 block per chunk for chunk info */
+	return 1 + (ol_chunk_blocks(sb) + 1) * c;
+}
+
+static unsigned int ol_dqblk_block(struct super_block *sb, int c, int off)
+{
+	int epb = ol_quota_entries_per_block(sb);
+
+	return ol_quota_chunk_block(sb, c) + 1 + off / epb;
+}
+
+static unsigned int ol_dqblk_block_off(struct super_block *sb, int c, int off)
+{
+	int epb = ol_quota_entries_per_block(sb);
+
+	return (off % epb) * sizeof(struct ocfs2_local_disk_dqblk);
+}
+
+/* Offset of the dquot structure in the quota file */
+static loff_t ol_dqblk_off(struct super_block *sb, int c, int off)
+{
+	return (ol_dqblk_block(sb, c, off) << sb->s_blocksize_bits) +
+	       ol_dqblk_block_off(sb, c, off);
+}
+
+/* Compute block number from given offset */
+static inline unsigned int ol_dqblk_file_block(struct super_block *sb, loff_t off)
+{
+	return off >> sb->s_blocksize_bits;
+}
+
+static inline unsigned int ol_dqblk_block_offset(struct super_block *sb, loff_t off)
+{
+	return off & ((1 << sb->s_blocksize_bits) - 1);
+}
+
+/* Compute offset in the chunk of a structure with the given offset */
+static int ol_dqblk_chunk_off(struct super_block *sb, int c, loff_t off)
+{
+	int epb = ol_quota_entries_per_block(sb);
+
+	return ((off >> sb->s_blocksize_bits) -
+			ol_quota_chunk_block(sb, c) - 1) * epb
+	       + ((unsigned int)(off & ((1 << sb->s_blocksize_bits) - 1))) /
+		 sizeof(struct ocfs2_local_disk_dqblk);
+}
+
+/* Write bufferhead into the fs */
+static int ocfs2_modify_bh(struct inode *inode, struct buffer_head *bh,
+		void (*modify)(struct buffer_head *, void *), void *private)
+{
+	struct super_block *sb = inode->i_sb;
+	handle_t *handle;
+	int status;
+
+	handle = ocfs2_start_trans(OCFS2_SB(sb), 1);
+	if (IS_ERR(handle)) {
+		status = PTR_ERR(handle);
+		mlog_errno(status);
+		return status;
+	}
+	status = ocfs2_journal_access_dq(handle, inode, bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
+	if (status < 0) {
+		mlog_errno(status);
+		ocfs2_commit_trans(OCFS2_SB(sb), handle);
+		return status;
+	}
+	lock_buffer(bh);
+	modify(bh, private);
+	unlock_buffer(bh);
+	status = ocfs2_journal_dirty(handle, bh);
+	if (status < 0) {
+		mlog_errno(status);
+		ocfs2_commit_trans(OCFS2_SB(sb), handle);
+		return status;
+	}
+	status = ocfs2_commit_trans(OCFS2_SB(sb), handle);
+	if (status < 0) {
+		mlog_errno(status);
+		return status;
+	}
+	return 0;
+}
+
+/* Check whether we understand format of quota files */
+static int ocfs2_local_check_quota_file(struct super_block *sb, int type)
+{
+	unsigned int lmagics[MAXQUOTAS] = OCFS2_LOCAL_QMAGICS;
+	unsigned int lversions[MAXQUOTAS] = OCFS2_LOCAL_QVERSIONS;
+	unsigned int gmagics[MAXQUOTAS] = OCFS2_GLOBAL_QMAGICS;
+	unsigned int gversions[MAXQUOTAS] = OCFS2_GLOBAL_QVERSIONS;
+	unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
+					GROUP_QUOTA_SYSTEM_INODE };
+	struct buffer_head *bh = NULL;
+	struct inode *linode = sb_dqopt(sb)->files[type];
+	struct inode *ginode = NULL;
+	struct ocfs2_disk_dqheader *dqhead;
+	int status, ret = 0;
+
+	/* First check whether we understand local quota file */
+	status = ocfs2_read_quota_block(linode, 0, &bh);
+	if (status) {
+		mlog_errno(status);
+		mlog(ML_ERROR, "failed to read quota file header (type=%d)\n",
+			type);
+		goto out_err;
+	}
+	dqhead = (struct ocfs2_disk_dqheader *)(bh->b_data);
+	if (le32_to_cpu(dqhead->dqh_magic) != lmagics[type]) {
+		mlog(ML_ERROR, "quota file magic does not match (%u != %u),"
+			" type=%d\n", le32_to_cpu(dqhead->dqh_magic),
+			lmagics[type], type);
+		goto out_err;
+	}
+	if (le32_to_cpu(dqhead->dqh_version) != lversions[type]) {
+		mlog(ML_ERROR, "quota file version does not match (%u != %u),"
+			" type=%d\n", le32_to_cpu(dqhead->dqh_version),
+			lversions[type], type);
+		goto out_err;
+	}
+	brelse(bh);
+	bh = NULL;
+
+	/* Next check whether we understand global quota file */
+	ginode = ocfs2_get_system_file_inode(OCFS2_SB(sb), ino[type],
+						OCFS2_INVALID_SLOT);
+	if (!ginode) {
+		mlog(ML_ERROR, "cannot get global quota file inode "
+				"(type=%d)\n", type);
+		goto out_err;
+	}
+	/* Since the header is read only, we don't care about locking */
+	status = ocfs2_read_quota_block(ginode, 0, &bh);
+	if (status) {
+		mlog_errno(status);
+		mlog(ML_ERROR, "failed to read global quota file header "
+				"(type=%d)\n", type);
+		goto out_err;
+	}
+	dqhead = (struct ocfs2_disk_dqheader *)(bh->b_data);
+	if (le32_to_cpu(dqhead->dqh_magic) != gmagics[type]) {
+		mlog(ML_ERROR, "global quota file magic does not match "
+			"(%u != %u), type=%d\n",
+			le32_to_cpu(dqhead->dqh_magic), gmagics[type], type);
+		goto out_err;
+	}
+	if (le32_to_cpu(dqhead->dqh_version) != gversions[type]) {
+		mlog(ML_ERROR, "global quota file version does not match "
+			"(%u != %u), type=%d\n",
+			le32_to_cpu(dqhead->dqh_version), gversions[type],
+			type);
+		goto out_err;
+	}
+
+	ret = 1;
+out_err:
+	brelse(bh);
+	iput(ginode);
+	return ret;
+}
+
+/* Release given list of quota file chunks */
+static void ocfs2_release_local_quota_bitmaps(struct list_head *head)
+{
+	struct ocfs2_quota_chunk *pos, *next;
+
+	list_for_each_entry_safe(pos, next, head, qc_chunk) {
+		list_del(&pos->qc_chunk);
+		brelse(pos->qc_headerbh);
+		kmem_cache_free(ocfs2_qf_chunk_cachep, pos);
+	}
+}
+
+/* Load quota bitmaps into memory */
+static int ocfs2_load_local_quota_bitmaps(struct inode *inode,
+			struct ocfs2_local_disk_dqinfo *ldinfo,
+			struct list_head *head)
+{
+	struct ocfs2_quota_chunk *newchunk;
+	int i, status;
+
+	INIT_LIST_HEAD(head);
+	for (i = 0; i < le32_to_cpu(ldinfo->dqi_chunks); i++) {
+		newchunk = kmem_cache_alloc(ocfs2_qf_chunk_cachep, GFP_NOFS);
+		if (!newchunk) {
+			ocfs2_release_local_quota_bitmaps(head);
+			return -ENOMEM;
+		}
+		newchunk->qc_num = i;
+		newchunk->qc_headerbh = NULL;
+		status = ocfs2_read_quota_block(inode,
+				ol_quota_chunk_block(inode->i_sb, i),
+				&newchunk->qc_headerbh);
+		if (status) {
+			mlog_errno(status);
+			kmem_cache_free(ocfs2_qf_chunk_cachep, newchunk);
+			ocfs2_release_local_quota_bitmaps(head);
+			return status;
+		}
+		list_add_tail(&newchunk->qc_chunk, head);
+	}
+	return 0;
+}
+
+static void olq_update_info(struct buffer_head *bh, void *private)
+{
+	struct mem_dqinfo *info = private;
+	struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
+	struct ocfs2_local_disk_dqinfo *ldinfo;
+
+	ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data +
+						OCFS2_LOCAL_INFO_OFF);
+	spin_lock(&dq_data_lock);
+	ldinfo->dqi_flags = cpu_to_le32(info->dqi_flags & DQF_MASK);
+	ldinfo->dqi_chunks = cpu_to_le32(oinfo->dqi_chunks);
+	ldinfo->dqi_blocks = cpu_to_le32(oinfo->dqi_blocks);
+	spin_unlock(&dq_data_lock);
+}
+
+static int ocfs2_add_recovery_chunk(struct super_block *sb,
+				    struct ocfs2_local_disk_chunk *dchunk,
+				    int chunk,
+				    struct list_head *head)
+{
+	struct ocfs2_recovery_chunk *rc;
+
+	rc = kmalloc(sizeof(struct ocfs2_recovery_chunk), GFP_NOFS);
+	if (!rc)
+		return -ENOMEM;
+	rc->rc_chunk = chunk;
+	rc->rc_bitmap = kmalloc(sb->s_blocksize, GFP_NOFS);
+	if (!rc->rc_bitmap) {
+		kfree(rc);
+		return -ENOMEM;
+	}
+	memcpy(rc->rc_bitmap, dchunk->dqc_bitmap,
+	       (ol_chunk_entries(sb) + 7) >> 3);
+	list_add_tail(&rc->rc_list, head);
+	return 0;
+}
+
+static void free_recovery_list(struct list_head *head)
+{
+	struct ocfs2_recovery_chunk *next;
+	struct ocfs2_recovery_chunk *rchunk;
+
+	list_for_each_entry_safe(rchunk, next, head, rc_list) {
+		list_del(&rchunk->rc_list);
+		kfree(rchunk->rc_bitmap);
+		kfree(rchunk);
+	}
+}
+
+void ocfs2_free_quota_recovery(struct ocfs2_quota_recovery *rec)
+{
+	int type;
+
+	for (type = 0; type < MAXQUOTAS; type++)
+		free_recovery_list(&(rec->r_list[type]));
+	kfree(rec);
+}
+
+/* Load entries in our quota file we have to recover*/
+static int ocfs2_recovery_load_quota(struct inode *lqinode,
+				     struct ocfs2_local_disk_dqinfo *ldinfo,
+				     int type,
+				     struct list_head *head)
+{
+	struct super_block *sb = lqinode->i_sb;
+	struct buffer_head *hbh;
+	struct ocfs2_local_disk_chunk *dchunk;
+	int i, chunks = le32_to_cpu(ldinfo->dqi_chunks);
+	int status = 0;
+
+	for (i = 0; i < chunks; i++) {
+		hbh = NULL;
+		status = ocfs2_read_quota_block(lqinode,
+						ol_quota_chunk_block(sb, i),
+						&hbh);
+		if (status) {
+			mlog_errno(status);
+			break;
+		}
+		dchunk = (struct ocfs2_local_disk_chunk *)hbh->b_data;
+		if (le32_to_cpu(dchunk->dqc_free) < ol_chunk_entries(sb))
+			status = ocfs2_add_recovery_chunk(sb, dchunk, i, head);
+		brelse(hbh);
+		if (status < 0)
+			break;
+	}
+	if (status < 0)
+		free_recovery_list(head);
+	return status;
+}
+
+static struct ocfs2_quota_recovery *ocfs2_alloc_quota_recovery(void)
+{
+	int type;
+	struct ocfs2_quota_recovery *rec;
+
+	rec = kmalloc(sizeof(struct ocfs2_quota_recovery), GFP_NOFS);
+	if (!rec)
+		return NULL;
+	for (type = 0; type < MAXQUOTAS; type++)
+		INIT_LIST_HEAD(&(rec->r_list[type]));
+	return rec;
+}
+
+/* Load information we need for quota recovery into memory */
+struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery(
+						struct ocfs2_super *osb,
+						int slot_num)
+{
+	unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
+					    OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
+	unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
+					LOCAL_GROUP_QUOTA_SYSTEM_INODE };
+	struct super_block *sb = osb->sb;
+	struct ocfs2_local_disk_dqinfo *ldinfo;
+	struct inode *lqinode;
+	struct buffer_head *bh;
+	int type;
+	int status = 0;
+	struct ocfs2_quota_recovery *rec;
+
+	mlog(ML_NOTICE, "Beginning quota recovery in slot %u\n", slot_num);
+	rec = ocfs2_alloc_quota_recovery();
+	if (!rec)
+		return ERR_PTR(-ENOMEM);
+	/* First init... */
+
+	for (type = 0; type < MAXQUOTAS; type++) {
+		if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
+			continue;
+		/* At this point, journal of the slot is already replayed so
+		 * we can trust metadata and data of the quota file */
+		lqinode = ocfs2_get_system_file_inode(osb, ino[type], slot_num);
+		if (!lqinode) {
+			status = -ENOENT;
+			goto out;
+		}
+		status = ocfs2_inode_lock_full(lqinode, NULL, 1,
+					       OCFS2_META_LOCK_RECOVERY);
+		if (status < 0) {
+			mlog_errno(status);
+			goto out_put;
+		}
+		/* Now read local header */
+		bh = NULL;
+		status = ocfs2_read_quota_block(lqinode, 0, &bh);
+		if (status) {
+			mlog_errno(status);
+			mlog(ML_ERROR, "failed to read quota file info header "
+				"(slot=%d type=%d)\n", slot_num, type);
+			goto out_lock;
+		}
+		ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data +
+							OCFS2_LOCAL_INFO_OFF);
+		status = ocfs2_recovery_load_quota(lqinode, ldinfo, type,
+						   &rec->r_list[type]);
+		brelse(bh);
+out_lock:
+		ocfs2_inode_unlock(lqinode, 1);
+out_put:
+		iput(lqinode);
+		if (status < 0)
+			break;
+	}
+out:
+	if (status < 0) {
+		ocfs2_free_quota_recovery(rec);
+		rec = ERR_PTR(status);
+	}
+	return rec;
+}
+
+/* Sync changes in local quota file into global quota file and
+ * reinitialize local quota file.
+ * The function expects local quota file to be already locked and
+ * dqonoff_mutex locked. */
+static int ocfs2_recover_local_quota_file(struct inode *lqinode,
+					  int type,
+					  struct ocfs2_quota_recovery *rec)
+{
+	struct super_block *sb = lqinode->i_sb;
+	struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv;
+	struct ocfs2_local_disk_chunk *dchunk;
+	struct ocfs2_local_disk_dqblk *dqblk;
+	struct dquot *dquot;
+	handle_t *handle;
+	struct buffer_head *hbh = NULL, *qbh = NULL;
+	int status = 0;
+	int bit, chunk;
+	struct ocfs2_recovery_chunk *rchunk, *next;
+	qsize_t spacechange, inodechange;
+
+	mlog_entry("ino=%lu type=%u", (unsigned long)lqinode->i_ino, type);
+
+	status = ocfs2_lock_global_qf(oinfo, 1);
+	if (status < 0)
+		goto out;
+
+	list_for_each_entry_safe(rchunk, next, &(rec->r_list[type]), rc_list) {
+		chunk = rchunk->rc_chunk;
+		hbh = NULL;
+		status = ocfs2_read_quota_block(lqinode,
+						ol_quota_chunk_block(sb, chunk),
+						&hbh);
+		if (status) {
+			mlog_errno(status);
+			break;
+		}
+		dchunk = (struct ocfs2_local_disk_chunk *)hbh->b_data;
+		for_each_bit(bit, rchunk->rc_bitmap, ol_chunk_entries(sb)) {
+			qbh = NULL;
+			status = ocfs2_read_quota_block(lqinode,
+						ol_dqblk_block(sb, chunk, bit),
+						&qbh);
+			if (status) {
+				mlog_errno(status);
+				break;
+			}
+			dqblk = (struct ocfs2_local_disk_dqblk *)(qbh->b_data +
+				ol_dqblk_block_off(sb, chunk, bit));
+			dquot = dqget(sb, le64_to_cpu(dqblk->dqb_id), type);
+			if (!dquot) {
+				status = -EIO;
+				mlog(ML_ERROR, "Failed to get quota structure "
+				     "for id %u, type %d. Cannot finish quota "
+				     "file recovery.\n",
+				     (unsigned)le64_to_cpu(dqblk->dqb_id),
+				     type);
+				goto out_put_bh;
+			}
+			handle = ocfs2_start_trans(OCFS2_SB(sb),
+						   OCFS2_QSYNC_CREDITS);
+			if (IS_ERR(handle)) {
+				status = PTR_ERR(handle);
+				mlog_errno(status);
+				goto out_put_dquot;
+			}
+			mutex_lock(&sb_dqopt(sb)->dqio_mutex);
+			spin_lock(&dq_data_lock);
+			/* Add usage from quota entry into quota changes
+			 * of our node. Auxiliary variables are important
+			 * due to signedness */
+			spacechange = le64_to_cpu(dqblk->dqb_spacemod);
+			inodechange = le64_to_cpu(dqblk->dqb_inodemod);
+			dquot->dq_dqb.dqb_curspace += spacechange;
+			dquot->dq_dqb.dqb_curinodes += inodechange;
+			spin_unlock(&dq_data_lock);
+			/* We want to drop reference held by the crashed
+			 * node. Since we have our own reference we know
+			 * global structure actually won't be freed. */
+			status = ocfs2_global_release_dquot(dquot);
+			if (status < 0) {
+				mlog_errno(status);
+				goto out_commit;
+			}
+			/* Release local quota file entry */
+			status = ocfs2_journal_access_dq(handle, lqinode,
+					qbh, OCFS2_JOURNAL_ACCESS_WRITE);
+			if (status < 0) {
+				mlog_errno(status);
+				goto out_commit;
+			}
+			lock_buffer(qbh);
+			WARN_ON(!ocfs2_test_bit(bit, dchunk->dqc_bitmap));
+			ocfs2_clear_bit(bit, dchunk->dqc_bitmap);
+			le32_add_cpu(&dchunk->dqc_free, 1);
+			unlock_buffer(qbh);
+			status = ocfs2_journal_dirty(handle, qbh);
+			if (status < 0)
+				mlog_errno(status);
+out_commit:
+			mutex_unlock(&sb_dqopt(sb)->dqio_mutex);
+			ocfs2_commit_trans(OCFS2_SB(sb), handle);
+out_put_dquot:
+			dqput(dquot);
+out_put_bh:
+			brelse(qbh);
+			if (status < 0)
+				break;
+		}
+		brelse(hbh);
+		list_del(&rchunk->rc_list);
+		kfree(rchunk->rc_bitmap);
+		kfree(rchunk);
+		if (status < 0)
+			break;
+	}
+	ocfs2_unlock_global_qf(oinfo, 1);
+out:
+	if (status < 0)
+		free_recovery_list(&(rec->r_list[type]));
+	mlog_exit(status);
+	return status;
+}
+
+/* Recover local quota files for given node different from us */
+int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
+				struct ocfs2_quota_recovery *rec,
+				int slot_num)
+{
+	unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
+					LOCAL_GROUP_QUOTA_SYSTEM_INODE };
+	struct super_block *sb = osb->sb;
+	struct ocfs2_local_disk_dqinfo *ldinfo;
+	struct buffer_head *bh;
+	handle_t *handle;
+	int type;
+	int status = 0;
+	struct inode *lqinode;
+	unsigned int flags;
+
+	mlog(ML_NOTICE, "Finishing quota recovery in slot %u\n", slot_num);
+	mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
+	for (type = 0; type < MAXQUOTAS; type++) {
+		if (list_empty(&(rec->r_list[type])))
+			continue;
+		mlog(0, "Recovering quota in slot %d\n", slot_num);
+		lqinode = ocfs2_get_system_file_inode(osb, ino[type], slot_num);
+		if (!lqinode) {
+			status = -ENOENT;
+			goto out;
+		}
+		status = ocfs2_inode_lock_full(lqinode, NULL, 1,
+						       OCFS2_META_LOCK_NOQUEUE);
+		/* Someone else is holding the lock? Then he must be
+		 * doing the recovery. Just skip the file... */
+		if (status == -EAGAIN) {
+			mlog(ML_NOTICE, "skipping quota recovery for slot %d "
+			     "because quota file is locked.\n", slot_num);
+			status = 0;
+			goto out_put;
+		} else if (status < 0) {
+			mlog_errno(status);
+			goto out_put;
+		}
+		/* Now read local header */
+		bh = NULL;
+		status = ocfs2_read_quota_block(lqinode, 0, &bh);
+		if (status) {
+			mlog_errno(status);
+			mlog(ML_ERROR, "failed to read quota file info header "
+				"(slot=%d type=%d)\n", slot_num, type);
+			goto out_lock;
+		}
+		ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data +
+							OCFS2_LOCAL_INFO_OFF);
+		/* Is recovery still needed? */
+		flags = le32_to_cpu(ldinfo->dqi_flags);
+		if (!(flags & OLQF_CLEAN))
+			status = ocfs2_recover_local_quota_file(lqinode,
+								type,
+								rec);
+		/* We don't want to mark file as clean when it is actually
+		 * active */
+		if (slot_num == osb->slot_num)
+			goto out_bh;
+		/* Mark quota file as clean if we are recovering quota file of
+		 * some other node. */
+		handle = ocfs2_start_trans(osb, 1);
+		if (IS_ERR(handle)) {
+			status = PTR_ERR(handle);
+			mlog_errno(status);
+			goto out_bh;
+		}
+		status = ocfs2_journal_access_dq(handle, lqinode, bh,
+						 OCFS2_JOURNAL_ACCESS_WRITE);
+		if (status < 0) {
+			mlog_errno(status);
+			goto out_trans;
+		}
+		lock_buffer(bh);
+		ldinfo->dqi_flags = cpu_to_le32(flags | OLQF_CLEAN);
+		unlock_buffer(bh);
+		status = ocfs2_journal_dirty(handle, bh);
+		if (status < 0)
+			mlog_errno(status);
+out_trans:
+		ocfs2_commit_trans(osb, handle);
+out_bh:
+		brelse(bh);
+out_lock:
+		ocfs2_inode_unlock(lqinode, 1);
+out_put:
+		iput(lqinode);
+		if (status < 0)
+			break;
+	}
+out:
+	mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
+	kfree(rec);
+	return status;
+}
+
+/* Read information header from quota file */
+static int ocfs2_local_read_info(struct super_block *sb, int type)
+{
+	struct ocfs2_local_disk_dqinfo *ldinfo;
+	struct mem_dqinfo *info = sb_dqinfo(sb, type);
+	struct ocfs2_mem_dqinfo *oinfo;
+	struct inode *lqinode = sb_dqopt(sb)->files[type];
+	int status;
+	struct buffer_head *bh = NULL;
+	struct ocfs2_quota_recovery *rec;
+	int locked = 0;
+
+	info->dqi_maxblimit = 0x7fffffffffffffffLL;
+	info->dqi_maxilimit = 0x7fffffffffffffffLL;
+	oinfo = kmalloc(sizeof(struct ocfs2_mem_dqinfo), GFP_NOFS);
+	if (!oinfo) {
+		mlog(ML_ERROR, "failed to allocate memory for ocfs2 quota"
+			       " info.");
+		goto out_err;
+	}
+	info->dqi_priv = oinfo;
+	oinfo->dqi_type = type;
+	INIT_LIST_HEAD(&oinfo->dqi_chunk);
+	oinfo->dqi_rec = NULL;
+	oinfo->dqi_lqi_bh = NULL;
+	oinfo->dqi_ibh = NULL;
+
+	status = ocfs2_global_read_info(sb, type);
+	if (status < 0)
+		goto out_err;
+
+	status = ocfs2_inode_lock(lqinode, &oinfo->dqi_lqi_bh, 1);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_err;
+	}
+	locked = 1;
+
+	/* Now read local header */
+	status = ocfs2_read_quota_block(lqinode, 0, &bh);
+	if (status) {
+		mlog_errno(status);
+		mlog(ML_ERROR, "failed to read quota file info header "
+			"(type=%d)\n", type);
+		goto out_err;
+	}
+	ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data +
+						OCFS2_LOCAL_INFO_OFF);
+	info->dqi_flags = le32_to_cpu(ldinfo->dqi_flags);
+	oinfo->dqi_chunks = le32_to_cpu(ldinfo->dqi_chunks);
+	oinfo->dqi_blocks = le32_to_cpu(ldinfo->dqi_blocks);
+	oinfo->dqi_ibh = bh;
+
+	/* We crashed when using local quota file? */
+	if (!(info->dqi_flags & OLQF_CLEAN)) {
+		rec = OCFS2_SB(sb)->quota_rec;
+		if (!rec) {
+			rec = ocfs2_alloc_quota_recovery();
+			if (!rec) {
+				status = -ENOMEM;
+				mlog_errno(status);
+				goto out_err;
+			}
+			OCFS2_SB(sb)->quota_rec = rec;
+		}
+
+		status = ocfs2_recovery_load_quota(lqinode, ldinfo, type,
+                                                   &rec->r_list[type]);
+		if (status < 0) {
+			mlog_errno(status);
+			goto out_err;
+		}
+	}
+
+	status = ocfs2_load_local_quota_bitmaps(lqinode,
+						ldinfo,
+						&oinfo->dqi_chunk);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_err;
+	}
+
+	/* Now mark quota file as used */
+	info->dqi_flags &= ~OLQF_CLEAN;
+	status = ocfs2_modify_bh(lqinode, bh, olq_update_info, info);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_err;
+	}
+
+	return 0;
+out_err:
+	if (oinfo) {
+		iput(oinfo->dqi_gqinode);
+		ocfs2_simple_drop_lockres(OCFS2_SB(sb), &oinfo->dqi_gqlock);
+		ocfs2_lock_res_free(&oinfo->dqi_gqlock);
+		brelse(oinfo->dqi_lqi_bh);
+		if (locked)
+			ocfs2_inode_unlock(lqinode, 1);
+		ocfs2_release_local_quota_bitmaps(&oinfo->dqi_chunk);
+		kfree(oinfo);
+	}
+	brelse(bh);
+	return -1;
+}
+
+/* Write local info to quota file */
+static int ocfs2_local_write_info(struct super_block *sb, int type)
+{
+	struct mem_dqinfo *info = sb_dqinfo(sb, type);
+	struct buffer_head *bh = ((struct ocfs2_mem_dqinfo *)info->dqi_priv)
+						->dqi_ibh;
+	int status;
+
+	status = ocfs2_modify_bh(sb_dqopt(sb)->files[type], bh, olq_update_info,
+				 info);
+	if (status < 0) {
+		mlog_errno(status);
+		return -1;
+	}
+
+	return 0;
+}
+
+/* Release info from memory */
+static int ocfs2_local_free_info(struct super_block *sb, int type)
+{
+	struct mem_dqinfo *info = sb_dqinfo(sb, type);
+	struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
+	struct ocfs2_quota_chunk *chunk;
+	struct ocfs2_local_disk_chunk *dchunk;
+	int mark_clean = 1, len;
+	int status;
+
+	/* At this point we know there are no more dquots and thus
+	 * even if there's some sync in the pdflush queue, it won't
+	 * find any dquots and return without doing anything */
+	cancel_delayed_work_sync(&oinfo->dqi_sync_work);
+	iput(oinfo->dqi_gqinode);
+	ocfs2_simple_drop_lockres(OCFS2_SB(sb), &oinfo->dqi_gqlock);
+	ocfs2_lock_res_free(&oinfo->dqi_gqlock);
+	list_for_each_entry(chunk, &oinfo->dqi_chunk, qc_chunk) {
+		dchunk = (struct ocfs2_local_disk_chunk *)
+					(chunk->qc_headerbh->b_data);
+		if (chunk->qc_num < oinfo->dqi_chunks - 1) {
+			len = ol_chunk_entries(sb);
+		} else {
+			len = (oinfo->dqi_blocks -
+			       ol_quota_chunk_block(sb, chunk->qc_num) - 1)
+			      * ol_quota_entries_per_block(sb);
+		}
+		/* Not all entries free? Bug! */
+		if (le32_to_cpu(dchunk->dqc_free) != len) {
+			mlog(ML_ERROR, "releasing quota file with used "
+					"entries (type=%d)\n", type);
+			mark_clean = 0;
+		}
+	}
+	ocfs2_release_local_quota_bitmaps(&oinfo->dqi_chunk);
+
+	/* dqonoff_mutex protects us against racing with recovery thread... */
+	if (oinfo->dqi_rec) {
+		ocfs2_free_quota_recovery(oinfo->dqi_rec);
+		mark_clean = 0;
+	}
+
+	if (!mark_clean)
+		goto out;
+
+	/* Mark local file as clean */
+	info->dqi_flags |= OLQF_CLEAN;
+	status = ocfs2_modify_bh(sb_dqopt(sb)->files[type],
+				 oinfo->dqi_ibh,
+				 olq_update_info,
+				 info);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+
+out:
+	ocfs2_inode_unlock(sb_dqopt(sb)->files[type], 1);
+	brelse(oinfo->dqi_ibh);
+	brelse(oinfo->dqi_lqi_bh);
+	kfree(oinfo);
+	return 0;
+}
+
+static void olq_set_dquot(struct buffer_head *bh, void *private)
+{
+	struct ocfs2_dquot *od = private;
+	struct ocfs2_local_disk_dqblk *dqblk;
+	struct super_block *sb = od->dq_dquot.dq_sb;
+
+	dqblk = (struct ocfs2_local_disk_dqblk *)(bh->b_data
+		+ ol_dqblk_block_offset(sb, od->dq_local_off));
+
+	dqblk->dqb_id = cpu_to_le64(od->dq_dquot.dq_id);
+	spin_lock(&dq_data_lock);
+	dqblk->dqb_spacemod = cpu_to_le64(od->dq_dquot.dq_dqb.dqb_curspace -
+					  od->dq_origspace);
+	dqblk->dqb_inodemod = cpu_to_le64(od->dq_dquot.dq_dqb.dqb_curinodes -
+					  od->dq_originodes);
+	spin_unlock(&dq_data_lock);
+	mlog(0, "Writing local dquot %u space %lld inodes %lld\n",
+	     od->dq_dquot.dq_id, (long long)le64_to_cpu(dqblk->dqb_spacemod),
+	     (long long)le64_to_cpu(dqblk->dqb_inodemod));
+}
+
+/* Write dquot to local quota file */
+static int ocfs2_local_write_dquot(struct dquot *dquot)
+{
+	struct super_block *sb = dquot->dq_sb;
+	struct ocfs2_dquot *od = OCFS2_DQUOT(dquot);
+	struct buffer_head *bh = NULL;
+	int status;
+
+	status = ocfs2_read_quota_block(sb_dqopt(sb)->files[dquot->dq_type],
+				    ol_dqblk_file_block(sb, od->dq_local_off),
+				    &bh);
+	if (status) {
+		mlog_errno(status);
+		goto out;
+	}
+	status = ocfs2_modify_bh(sb_dqopt(sb)->files[dquot->dq_type], bh,
+				 olq_set_dquot, od);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+out:
+	brelse(bh);
+	return status;
+}
+
+/* Find free entry in local quota file */
+static struct ocfs2_quota_chunk *ocfs2_find_free_entry(struct super_block *sb,
+						       int type,
+						       int *offset)
+{
+	struct mem_dqinfo *info = sb_dqinfo(sb, type);
+	struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
+	struct ocfs2_quota_chunk *chunk;
+	struct ocfs2_local_disk_chunk *dchunk;
+	int found = 0, len;
+
+	list_for_each_entry(chunk, &oinfo->dqi_chunk, qc_chunk) {
+		dchunk = (struct ocfs2_local_disk_chunk *)
+						chunk->qc_headerbh->b_data;
+		if (le32_to_cpu(dchunk->dqc_free) > 0) {
+			found = 1;
+			break;
+		}
+	}
+	if (!found)
+		return NULL;
+
+	if (chunk->qc_num < oinfo->dqi_chunks - 1) {
+		len = ol_chunk_entries(sb);
+	} else {
+		len = (oinfo->dqi_blocks -
+		       ol_quota_chunk_block(sb, chunk->qc_num) - 1)
+		      * ol_quota_entries_per_block(sb);
+	}
+
+	found = ocfs2_find_next_zero_bit(dchunk->dqc_bitmap, len, 0);
+	/* We failed? */
+	if (found == len) {
+		mlog(ML_ERROR, "Did not find empty entry in chunk %d with %u"
+		     " entries free (type=%d)\n", chunk->qc_num,
+		     le32_to_cpu(dchunk->dqc_free), type);
+		return ERR_PTR(-EIO);
+	}
+	*offset = found;
+	return chunk;
+}
+
+/* Add new chunk to the local quota file */
+static struct ocfs2_quota_chunk *ocfs2_local_quota_add_chunk(
+							struct super_block *sb,
+							int type,
+							int *offset)
+{
+	struct mem_dqinfo *info = sb_dqinfo(sb, type);
+	struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
+	struct inode *lqinode = sb_dqopt(sb)->files[type];
+	struct ocfs2_quota_chunk *chunk = NULL;
+	struct ocfs2_local_disk_chunk *dchunk;
+	int status;
+	handle_t *handle;
+	struct buffer_head *bh = NULL;
+	u64 p_blkno;
+
+	/* We are protected by dqio_sem so no locking needed */
+	status = ocfs2_extend_no_holes(lqinode,
+				       lqinode->i_size + 2 * sb->s_blocksize,
+				       lqinode->i_size);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+	status = ocfs2_simple_size_update(lqinode, oinfo->dqi_lqi_bh,
+					  lqinode->i_size + 2 * sb->s_blocksize);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+
+	chunk = kmem_cache_alloc(ocfs2_qf_chunk_cachep, GFP_NOFS);
+	if (!chunk) {
+		status = -ENOMEM;
+		mlog_errno(status);
+		goto out;
+	}
+
+	down_read(&OCFS2_I(lqinode)->ip_alloc_sem);
+	status = ocfs2_extent_map_get_blocks(lqinode, oinfo->dqi_blocks,
+					     &p_blkno, NULL, NULL);
+	up_read(&OCFS2_I(lqinode)->ip_alloc_sem);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+	bh = sb_getblk(sb, p_blkno);
+	if (!bh) {
+		status = -ENOMEM;
+		mlog_errno(status);
+		goto out;
+	}
+	dchunk = (struct ocfs2_local_disk_chunk *)bh->b_data;
+
+	handle = ocfs2_start_trans(OCFS2_SB(sb), 2);
+	if (IS_ERR(handle)) {
+		status = PTR_ERR(handle);
+		mlog_errno(status);
+		goto out;
+	}
+
+	status = ocfs2_journal_access_dq(handle, lqinode, bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_trans;
+	}
+	lock_buffer(bh);
+	dchunk->dqc_free = cpu_to_le32(ol_quota_entries_per_block(sb));
+	memset(dchunk->dqc_bitmap, 0,
+	       sb->s_blocksize - sizeof(struct ocfs2_local_disk_chunk) -
+	       OCFS2_QBLK_RESERVED_SPACE);
+	set_buffer_uptodate(bh);
+	unlock_buffer(bh);
+	status = ocfs2_journal_dirty(handle, bh);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_trans;
+	}
+
+	oinfo->dqi_blocks += 2;
+	oinfo->dqi_chunks++;
+	status = ocfs2_local_write_info(sb, type);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_trans;
+	}
+	status = ocfs2_commit_trans(OCFS2_SB(sb), handle);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+
+	list_add_tail(&chunk->qc_chunk, &oinfo->dqi_chunk);
+	chunk->qc_num = list_entry(chunk->qc_chunk.prev,
+				   struct ocfs2_quota_chunk,
+				   qc_chunk)->qc_num + 1;
+	chunk->qc_headerbh = bh;
+	*offset = 0;
+	return chunk;
+out_trans:
+	ocfs2_commit_trans(OCFS2_SB(sb), handle);
+out:
+	brelse(bh);
+	kmem_cache_free(ocfs2_qf_chunk_cachep, chunk);
+	return ERR_PTR(status);
+}
+
+/* Find free entry in local quota file */
+static struct ocfs2_quota_chunk *ocfs2_extend_local_quota_file(
+						       struct super_block *sb,
+						       int type,
+						       int *offset)
+{
+	struct mem_dqinfo *info = sb_dqinfo(sb, type);
+	struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
+	struct ocfs2_quota_chunk *chunk;
+	struct inode *lqinode = sb_dqopt(sb)->files[type];
+	struct ocfs2_local_disk_chunk *dchunk;
+	int epb = ol_quota_entries_per_block(sb);
+	unsigned int chunk_blocks;
+	int status;
+	handle_t *handle;
+
+	if (list_empty(&oinfo->dqi_chunk))
+		return ocfs2_local_quota_add_chunk(sb, type, offset);
+	/* Is the last chunk full? */
+	chunk = list_entry(oinfo->dqi_chunk.prev,
+			struct ocfs2_quota_chunk, qc_chunk);
+	chunk_blocks = oinfo->dqi_blocks -
+			ol_quota_chunk_block(sb, chunk->qc_num) - 1;
+	if (ol_chunk_blocks(sb) == chunk_blocks)
+		return ocfs2_local_quota_add_chunk(sb, type, offset);
+
+	/* We are protected by dqio_sem so no locking needed */
+	status = ocfs2_extend_no_holes(lqinode,
+				       lqinode->i_size + sb->s_blocksize,
+				       lqinode->i_size);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+	status = ocfs2_simple_size_update(lqinode, oinfo->dqi_lqi_bh,
+					  lqinode->i_size + sb->s_blocksize);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+	handle = ocfs2_start_trans(OCFS2_SB(sb), 2);
+	if (IS_ERR(handle)) {
+		status = PTR_ERR(handle);
+		mlog_errno(status);
+		goto out;
+	}
+	status = ocfs2_journal_access_dq(handle, lqinode, chunk->qc_headerbh,
+				 OCFS2_JOURNAL_ACCESS_WRITE);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_trans;
+	}
+
+	dchunk = (struct ocfs2_local_disk_chunk *)chunk->qc_headerbh->b_data;
+	lock_buffer(chunk->qc_headerbh);
+	le32_add_cpu(&dchunk->dqc_free, ol_quota_entries_per_block(sb));
+	unlock_buffer(chunk->qc_headerbh);
+	status = ocfs2_journal_dirty(handle, chunk->qc_headerbh);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_trans;
+	}
+	oinfo->dqi_blocks++;
+	status = ocfs2_local_write_info(sb, type);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_trans;
+	}
+
+	status = ocfs2_commit_trans(OCFS2_SB(sb), handle);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+	*offset = chunk_blocks * epb;
+	return chunk;
+out_trans:
+	ocfs2_commit_trans(OCFS2_SB(sb), handle);
+out:
+	return ERR_PTR(status);
+}
+
+static void olq_alloc_dquot(struct buffer_head *bh, void *private)
+{
+	int *offset = private;
+	struct ocfs2_local_disk_chunk *dchunk;
+
+	dchunk = (struct ocfs2_local_disk_chunk *)bh->b_data;
+	ocfs2_set_bit(*offset, dchunk->dqc_bitmap);
+	le32_add_cpu(&dchunk->dqc_free, -1);
+}
+
+/* Create dquot in the local file for given id */
+static int ocfs2_create_local_dquot(struct dquot *dquot)
+{
+	struct super_block *sb = dquot->dq_sb;
+	int type = dquot->dq_type;
+	struct inode *lqinode = sb_dqopt(sb)->files[type];
+	struct ocfs2_quota_chunk *chunk;
+	struct ocfs2_dquot *od = OCFS2_DQUOT(dquot);
+	int offset;
+	int status;
+
+	chunk = ocfs2_find_free_entry(sb, type, &offset);
+	if (!chunk) {
+		chunk = ocfs2_extend_local_quota_file(sb, type, &offset);
+		if (IS_ERR(chunk))
+			return PTR_ERR(chunk);
+	} else if (IS_ERR(chunk)) {
+		return PTR_ERR(chunk);
+	}
+	od->dq_local_off = ol_dqblk_off(sb, chunk->qc_num, offset);
+	od->dq_chunk = chunk;
+
+	/* Initialize dquot structure on disk */
+	status = ocfs2_local_write_dquot(dquot);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+
+	/* Mark structure as allocated */
+	status = ocfs2_modify_bh(lqinode, chunk->qc_headerbh, olq_alloc_dquot,
+				 &offset);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+out:
+	return status;
+}
+
+/* Create entry in local file for dquot, load data from the global file */
+static int ocfs2_local_read_dquot(struct dquot *dquot)
+{
+	int status;
+
+	mlog_entry("id=%u, type=%d\n", dquot->dq_id, dquot->dq_type);
+
+	status = ocfs2_global_read_dquot(dquot);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_err;
+	}
+
+	/* Now create entry in the local quota file */
+	status = ocfs2_create_local_dquot(dquot);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out_err;
+	}
+	mlog_exit(0);
+	return 0;
+out_err:
+	mlog_exit(status);
+	return status;
+}
+
+/* Release dquot structure from local quota file. ocfs2_release_dquot() has
+ * already started a transaction and obtained exclusive lock for global
+ * quota file. */
+static int ocfs2_local_release_dquot(struct dquot *dquot)
+{
+	int status;
+	int type = dquot->dq_type;
+	struct ocfs2_dquot *od = OCFS2_DQUOT(dquot);
+	struct super_block *sb = dquot->dq_sb;
+	struct ocfs2_local_disk_chunk *dchunk;
+	int offset;
+	handle_t *handle = journal_current_handle();
+
+	BUG_ON(!handle);
+	/* First write all local changes to global file */
+	status = ocfs2_global_release_dquot(dquot);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+
+	status = ocfs2_journal_access_dq(handle, sb_dqopt(sb)->files[type],
+			od->dq_chunk->qc_headerbh, OCFS2_JOURNAL_ACCESS_WRITE);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+	offset = ol_dqblk_chunk_off(sb, od->dq_chunk->qc_num,
+					     od->dq_local_off);
+	dchunk = (struct ocfs2_local_disk_chunk *)
+			(od->dq_chunk->qc_headerbh->b_data);
+	/* Mark structure as freed */
+	lock_buffer(od->dq_chunk->qc_headerbh);
+	ocfs2_clear_bit(offset, dchunk->dqc_bitmap);
+	le32_add_cpu(&dchunk->dqc_free, 1);
+	unlock_buffer(od->dq_chunk->qc_headerbh);
+	status = ocfs2_journal_dirty(handle, od->dq_chunk->qc_headerbh);
+	if (status < 0) {
+		mlog_errno(status);
+		goto out;
+	}
+	status = 0;
+out:
+	/* Clear the read bit so that next time someone uses this
+	 * dquot he reads fresh info from disk and allocates local
+	 * dquot structure */
+	clear_bit(DQ_READ_B, &dquot->dq_flags);
+	return status;
+}
+
+static struct quota_format_ops ocfs2_format_ops = {
+	.check_quota_file	= ocfs2_local_check_quota_file,
+	.read_file_info		= ocfs2_local_read_info,
+	.write_file_info	= ocfs2_global_write_info,
+	.free_file_info		= ocfs2_local_free_info,
+	.read_dqblk		= ocfs2_local_read_dquot,
+	.commit_dqblk		= ocfs2_local_write_dquot,
+	.release_dqblk		= ocfs2_local_release_dquot,
+};
+
+struct quota_format_type ocfs2_quota_format = {
+	.qf_fmt_id = QFMT_OCFS2,
+	.qf_ops = &ocfs2_format_ops,
+	.qf_owner = THIS_MODULE
+};
diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c
index ffd48db..424adaa 100644
--- a/fs/ocfs2/resize.c
+++ b/fs/ocfs2/resize.c
@@ -106,8 +106,8 @@
 	mlog_entry("(new_clusters=%d, first_new_cluster = %u)\n",
 		   new_clusters, first_new_cluster);
 
-	ret = ocfs2_journal_access(handle, bm_inode, group_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_gd(handle, bm_inode, group_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
@@ -141,8 +141,8 @@
 	}
 
 	/* update the inode accordingly. */
-	ret = ocfs2_journal_access(handle, bm_inode, bm_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_di(handle, bm_inode, bm_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out_rollback;
@@ -314,6 +314,10 @@
 
 	fe = (struct ocfs2_dinode *)main_bm_bh->b_data;
 
+	/* main_bm_bh is validated by inode read inside ocfs2_inode_lock(),
+	 * so any corruption is a code bug. */
+	BUG_ON(!OCFS2_IS_VALID_DINODE(fe));
+
 	if (le16_to_cpu(fe->id2.i_chain.cl_cpg) !=
 				 ocfs2_group_bitmap_size(osb->sb) * 8) {
 		mlog(ML_ERROR, "The disk is too old and small. "
@@ -322,30 +326,18 @@
 		goto out_unlock;
 	}
 
-	if (!OCFS2_IS_VALID_DINODE(fe)) {
-		OCFS2_RO_ON_INVALID_DINODE(main_bm_inode->i_sb, fe);
-		ret = -EIO;
-		goto out_unlock;
-	}
-
 	first_new_cluster = le32_to_cpu(fe->i_clusters);
 	lgd_blkno = ocfs2_which_cluster_group(main_bm_inode,
 					      first_new_cluster - 1);
 
-	ret = ocfs2_read_block(main_bm_inode, lgd_blkno, &group_bh);
+	ret = ocfs2_read_group_descriptor(main_bm_inode, fe, lgd_blkno,
+					  &group_bh);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out_unlock;
 	}
-
 	group = (struct ocfs2_group_desc *)group_bh->b_data;
 
-	ret = ocfs2_check_group_descriptor(inode->i_sb, fe, group);
-	if (ret) {
-		mlog_errno(ret);
-		goto out_unlock;
-	}
-
 	cl_bpc = le16_to_cpu(fe->id2.i_chain.cl_bpc);
 	if (le16_to_cpu(group->bg_bits) / cl_bpc + new_clusters >
 		le16_to_cpu(fe->id2.i_chain.cl_cpg)) {
@@ -398,41 +390,16 @@
 				 struct buffer_head *group_bh)
 {
 	int ret;
-	struct ocfs2_group_desc *gd;
+	struct ocfs2_group_desc *gd =
+		(struct ocfs2_group_desc *)group_bh->b_data;
 	u16 cl_bpc = le16_to_cpu(di->id2.i_chain.cl_bpc);
-	unsigned int max_bits = le16_to_cpu(di->id2.i_chain.cl_cpg) *
-				le16_to_cpu(di->id2.i_chain.cl_bpc);
 
+	ret = ocfs2_check_group_descriptor(inode->i_sb, di, group_bh);
+	if (ret)
+		goto out;
 
-	gd = (struct ocfs2_group_desc *)group_bh->b_data;
-
-	ret = -EIO;
-	if (!OCFS2_IS_VALID_GROUP_DESC(gd))
-		mlog(ML_ERROR, "Group descriptor # %llu isn't valid.\n",
-		     (unsigned long long)le64_to_cpu(gd->bg_blkno));
-	else if (di->i_blkno != gd->bg_parent_dinode)
-		mlog(ML_ERROR, "Group descriptor # %llu has bad parent "
-		     "pointer (%llu, expected %llu)\n",
-		     (unsigned long long)le64_to_cpu(gd->bg_blkno),
-		     (unsigned long long)le64_to_cpu(gd->bg_parent_dinode),
-		     (unsigned long long)le64_to_cpu(di->i_blkno));
-	else if (le16_to_cpu(gd->bg_bits) > max_bits)
-		mlog(ML_ERROR, "Group descriptor # %llu has bit count of %u\n",
-		     (unsigned long long)le64_to_cpu(gd->bg_blkno),
-		     le16_to_cpu(gd->bg_bits));
-	else if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits))
-		mlog(ML_ERROR, "Group descriptor # %llu has bit count %u but "
-		     "claims that %u are free\n",
-		     (unsigned long long)le64_to_cpu(gd->bg_blkno),
-		     le16_to_cpu(gd->bg_bits),
-		     le16_to_cpu(gd->bg_free_bits_count));
-	else if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size)))
-		mlog(ML_ERROR, "Group descriptor # %llu has bit count %u but "
-		     "max bitmap bits of %u\n",
-		     (unsigned long long)le64_to_cpu(gd->bg_blkno),
-		     le16_to_cpu(gd->bg_bits),
-		     8 * le16_to_cpu(gd->bg_size));
-	else if (le16_to_cpu(gd->bg_chain) != input->chain)
+	ret = -EINVAL;
+	if (le16_to_cpu(gd->bg_chain) != input->chain)
 		mlog(ML_ERROR, "Group descriptor # %llu has bad chain %u "
 		     "while input has %u set.\n",
 		     (unsigned long long)le64_to_cpu(gd->bg_blkno),
@@ -451,6 +418,7 @@
 	else
 		ret = 0;
 
+out:
 	return ret;
 }
 
@@ -568,8 +536,8 @@
 	cl = &fe->id2.i_chain;
 	cr = &cl->cl_recs[input->chain];
 
-	ret = ocfs2_journal_access(handle, main_bm_inode, group_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_gd(handle, main_bm_inode, group_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out_commit;
@@ -584,8 +552,8 @@
 		goto out_commit;
 	}
 
-	ret = ocfs2_journal_access(handle, main_bm_inode, main_bm_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_di(handle, main_bm_inode, main_bm_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out_commit;
diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c
index bdda2d8..40661e7 100644
--- a/fs/ocfs2/slot_map.c
+++ b/fs/ocfs2/slot_map.c
@@ -151,7 +151,7 @@
 	 * this is not true, the read of -1 (UINT64_MAX) will fail.
 	 */
 	ret = ocfs2_read_blocks(si->si_inode, -1, si->si_blocks, si->si_bh,
-				OCFS2_BH_IGNORE_CACHE);
+				OCFS2_BH_IGNORE_CACHE, NULL);
 	if (ret == 0) {
 		spin_lock(&osb->osb_lock);
 		ocfs2_update_slot_info(si);
@@ -405,7 +405,7 @@
 
 		bh = NULL;  /* Acquire a fresh bh */
 		status = ocfs2_read_blocks(si->si_inode, blkno, 1, &bh,
-					   OCFS2_BH_IGNORE_CACHE);
+					   OCFS2_BH_IGNORE_CACHE, NULL);
 		if (status < 0) {
 			mlog_errno(status);
 			goto bail;
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index c5ff18b..a696286 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -35,6 +35,7 @@
 #include "ocfs2.h"
 
 #include "alloc.h"
+#include "blockcheck.h"
 #include "dlmglue.h"
 #include "inode.h"
 #include "journal.h"
@@ -145,64 +146,185 @@
 	return (u32)le16_to_cpu(cl->cl_cpg) * (u32)le16_to_cpu(cl->cl_bpc);
 }
 
-/* somewhat more expensive than our other checks, so use sparingly. */
-int ocfs2_check_group_descriptor(struct super_block *sb,
-				 struct ocfs2_dinode *di,
-				 struct ocfs2_group_desc *gd)
+#define do_error(fmt, ...)						\
+	do{								\
+		if (clean_error)					\
+			mlog(ML_ERROR, fmt "\n", ##__VA_ARGS__);	\
+		else							\
+			ocfs2_error(sb, fmt, ##__VA_ARGS__);		\
+	} while (0)
+
+static int ocfs2_validate_gd_self(struct super_block *sb,
+				  struct buffer_head *bh,
+				  int clean_error)
 {
-	unsigned int max_bits;
+	struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data;
 
 	if (!OCFS2_IS_VALID_GROUP_DESC(gd)) {
-		OCFS2_RO_ON_INVALID_GROUP_DESC(sb, gd);
-		return -EIO;
+		do_error("Group descriptor #%llu has bad signature %.*s",
+			 (unsigned long long)bh->b_blocknr, 7,
+			 gd->bg_signature);
+		return -EINVAL;
 	}
 
+	if (le64_to_cpu(gd->bg_blkno) != bh->b_blocknr) {
+		do_error("Group descriptor #%llu has an invalid bg_blkno "
+			 "of %llu",
+			 (unsigned long long)bh->b_blocknr,
+			 (unsigned long long)le64_to_cpu(gd->bg_blkno));
+		return -EINVAL;
+	}
+
+	if (le32_to_cpu(gd->bg_generation) != OCFS2_SB(sb)->fs_generation) {
+		do_error("Group descriptor #%llu has an invalid "
+			 "fs_generation of #%u",
+			 (unsigned long long)bh->b_blocknr,
+			 le32_to_cpu(gd->bg_generation));
+		return -EINVAL;
+	}
+
+	if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits)) {
+		do_error("Group descriptor #%llu has bit count %u but "
+			 "claims that %u are free",
+			 (unsigned long long)bh->b_blocknr,
+			 le16_to_cpu(gd->bg_bits),
+			 le16_to_cpu(gd->bg_free_bits_count));
+		return -EINVAL;
+	}
+
+	if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size))) {
+		do_error("Group descriptor #%llu has bit count %u but "
+			 "max bitmap bits of %u",
+			 (unsigned long long)bh->b_blocknr,
+			 le16_to_cpu(gd->bg_bits),
+			 8 * le16_to_cpu(gd->bg_size));
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int ocfs2_validate_gd_parent(struct super_block *sb,
+				    struct ocfs2_dinode *di,
+				    struct buffer_head *bh,
+				    int clean_error)
+{
+	unsigned int max_bits;
+	struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data;
+
 	if (di->i_blkno != gd->bg_parent_dinode) {
-		ocfs2_error(sb, "Group descriptor # %llu has bad parent "
-			    "pointer (%llu, expected %llu)",
-			    (unsigned long long)le64_to_cpu(gd->bg_blkno),
-			    (unsigned long long)le64_to_cpu(gd->bg_parent_dinode),
-			    (unsigned long long)le64_to_cpu(di->i_blkno));
-		return -EIO;
+		do_error("Group descriptor #%llu has bad parent "
+			 "pointer (%llu, expected %llu)",
+			 (unsigned long long)bh->b_blocknr,
+			 (unsigned long long)le64_to_cpu(gd->bg_parent_dinode),
+			 (unsigned long long)le64_to_cpu(di->i_blkno));
+		return -EINVAL;
 	}
 
 	max_bits = le16_to_cpu(di->id2.i_chain.cl_cpg) * le16_to_cpu(di->id2.i_chain.cl_bpc);
 	if (le16_to_cpu(gd->bg_bits) > max_bits) {
-		ocfs2_error(sb, "Group descriptor # %llu has bit count of %u",
-			    (unsigned long long)le64_to_cpu(gd->bg_blkno),
-			    le16_to_cpu(gd->bg_bits));
-		return -EIO;
+		do_error("Group descriptor #%llu has bit count of %u",
+			 (unsigned long long)bh->b_blocknr,
+			 le16_to_cpu(gd->bg_bits));
+		return -EINVAL;
 	}
 
 	if (le16_to_cpu(gd->bg_chain) >=
 	    le16_to_cpu(di->id2.i_chain.cl_next_free_rec)) {
-		ocfs2_error(sb, "Group descriptor # %llu has bad chain %u",
-			    (unsigned long long)le64_to_cpu(gd->bg_blkno),
-			    le16_to_cpu(gd->bg_chain));
-		return -EIO;
-	}
-
-	if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits)) {
-		ocfs2_error(sb, "Group descriptor # %llu has bit count %u but "
-			    "claims that %u are free",
-			    (unsigned long long)le64_to_cpu(gd->bg_blkno),
-			    le16_to_cpu(gd->bg_bits),
-			    le16_to_cpu(gd->bg_free_bits_count));
-		return -EIO;
-	}
-
-	if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size))) {
-		ocfs2_error(sb, "Group descriptor # %llu has bit count %u but "
-			    "max bitmap bits of %u",
-			    (unsigned long long)le64_to_cpu(gd->bg_blkno),
-			    le16_to_cpu(gd->bg_bits),
-			    8 * le16_to_cpu(gd->bg_size));
-		return -EIO;
+		do_error("Group descriptor #%llu has bad chain %u",
+			 (unsigned long long)bh->b_blocknr,
+			 le16_to_cpu(gd->bg_chain));
+		return -EINVAL;
 	}
 
 	return 0;
 }
 
+#undef do_error
+
+/*
+ * This version only prints errors.  It does not fail the filesystem, and
+ * exists only for resize.
+ */
+int ocfs2_check_group_descriptor(struct super_block *sb,
+				 struct ocfs2_dinode *di,
+				 struct buffer_head *bh)
+{
+	int rc;
+	struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data;
+
+	BUG_ON(!buffer_uptodate(bh));
+
+	/*
+	 * If the ecc fails, we return the error but otherwise
+	 * leave the filesystem running.  We know any error is
+	 * local to this block.
+	 */
+	rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &gd->bg_check);
+	if (rc) {
+		mlog(ML_ERROR,
+		     "Checksum failed for group descriptor %llu\n",
+		     (unsigned long long)bh->b_blocknr);
+	} else
+		rc = ocfs2_validate_gd_self(sb, bh, 1);
+	if (!rc)
+		rc = ocfs2_validate_gd_parent(sb, di, bh, 1);
+
+	return rc;
+}
+
+static int ocfs2_validate_group_descriptor(struct super_block *sb,
+					   struct buffer_head *bh)
+{
+	int rc;
+	struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data;
+
+	mlog(0, "Validating group descriptor %llu\n",
+	     (unsigned long long)bh->b_blocknr);
+
+	BUG_ON(!buffer_uptodate(bh));
+
+	/*
+	 * If the ecc fails, we return the error but otherwise
+	 * leave the filesystem running.  We know any error is
+	 * local to this block.
+	 */
+	rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &gd->bg_check);
+	if (rc)
+		return rc;
+
+	/*
+	 * Errors after here are fatal.
+	 */
+
+	return ocfs2_validate_gd_self(sb, bh, 0);
+}
+
+int ocfs2_read_group_descriptor(struct inode *inode, struct ocfs2_dinode *di,
+				u64 gd_blkno, struct buffer_head **bh)
+{
+	int rc;
+	struct buffer_head *tmp = *bh;
+
+	rc = ocfs2_read_block(inode, gd_blkno, &tmp,
+			      ocfs2_validate_group_descriptor);
+	if (rc)
+		goto out;
+
+	rc = ocfs2_validate_gd_parent(inode->i_sb, di, tmp, 0);
+	if (rc) {
+		brelse(tmp);
+		goto out;
+	}
+
+	/* If ocfs2_read_block() got us a new bh, pass it up. */
+	if (!*bh)
+		*bh = tmp;
+
+out:
+	return rc;
+}
+
 static int ocfs2_block_group_fill(handle_t *handle,
 				  struct inode *alloc_inode,
 				  struct buffer_head *bg_bh,
@@ -225,10 +347,10 @@
 		goto bail;
 	}
 
-	status = ocfs2_journal_access(handle,
-				      alloc_inode,
-				      bg_bh,
-				      OCFS2_JOURNAL_ACCESS_CREATE);
+	status = ocfs2_journal_access_gd(handle,
+					 alloc_inode,
+					 bg_bh,
+					 OCFS2_JOURNAL_ACCESS_CREATE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -358,8 +480,8 @@
 
 	bg = (struct ocfs2_group_desc *) bg_bh->b_data;
 
-	status = ocfs2_journal_access(handle, alloc_inode,
-				      bh, OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, alloc_inode,
+					 bh, OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -441,11 +563,11 @@
 	ac->ac_alloc_slot = slot;
 
 	fe = (struct ocfs2_dinode *) bh->b_data;
-	if (!OCFS2_IS_VALID_DINODE(fe)) {
-		OCFS2_RO_ON_INVALID_DINODE(alloc_inode->i_sb, fe);
-		status = -EIO;
-		goto bail;
-	}
+
+	/* The bh was validated by the inode read inside
+	 * ocfs2_inode_lock().  Any corruption is a code bug. */
+	BUG_ON(!OCFS2_IS_VALID_DINODE(fe));
+
 	if (!(fe->i_flags & cpu_to_le32(OCFS2_CHAIN_FL))) {
 		ocfs2_error(alloc_inode->i_sb, "Invalid chain allocator %llu",
 			    (unsigned long long)le64_to_cpu(fe->i_blkno));
@@ -790,10 +912,9 @@
 	int offset, start, found, status = 0;
 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;
 
-	if (!OCFS2_IS_VALID_GROUP_DESC(bg)) {
-		OCFS2_RO_ON_INVALID_GROUP_DESC(osb->sb, bg);
-		return -EIO;
-	}
+	/* Callers got this descriptor from
+	 * ocfs2_read_group_descriptor().  Any corruption is a code bug. */
+	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));
 
 	found = start = best_offset = best_size = 0;
 	bitmap = bg->bg_bitmap;
@@ -858,11 +979,9 @@
 
 	mlog_entry_void();
 
-	if (!OCFS2_IS_VALID_GROUP_DESC(bg)) {
-		OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, bg);
-		status = -EIO;
-		goto bail;
-	}
+	/* All callers get the descriptor via
+	 * ocfs2_read_group_descriptor().  Any corruption is a code bug. */
+	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));
 	BUG_ON(le16_to_cpu(bg->bg_free_bits_count) < num_bits);
 
 	mlog(0, "block_group_set_bits: off = %u, num = %u\n", bit_off,
@@ -871,10 +990,10 @@
 	if (ocfs2_is_cluster_bitmap(alloc_inode))
 		journal_type = OCFS2_JOURNAL_ACCESS_UNDO;
 
-	status = ocfs2_journal_access(handle,
-				      alloc_inode,
-				      group_bh,
-				      journal_type);
+	status = ocfs2_journal_access_gd(handle,
+					 alloc_inode,
+					 group_bh,
+					 journal_type);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -931,21 +1050,10 @@
 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;
 	struct ocfs2_group_desc *prev_bg = (struct ocfs2_group_desc *) prev_bg_bh->b_data;
 
-	if (!OCFS2_IS_VALID_DINODE(fe)) {
-		OCFS2_RO_ON_INVALID_DINODE(alloc_inode->i_sb, fe);
-		status = -EIO;
-		goto out;
-	}
-	if (!OCFS2_IS_VALID_GROUP_DESC(bg)) {
-		OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, bg);
-		status = -EIO;
-		goto out;
-	}
-	if (!OCFS2_IS_VALID_GROUP_DESC(prev_bg)) {
-		OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, prev_bg);
-		status = -EIO;
-		goto out;
-	}
+	/* The caller got these descriptors from
+	 * ocfs2_read_group_descriptor().  Any corruption is a code bug. */
+	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));
+	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(prev_bg));
 
 	mlog(0, "Suballoc %llu, chain %u, move group %llu to top, prev = %llu\n",
 	     (unsigned long long)le64_to_cpu(fe->i_blkno), chain,
@@ -956,8 +1064,8 @@
 	bg_ptr = le64_to_cpu(bg->bg_next_group);
 	prev_bg_ptr = le64_to_cpu(prev_bg->bg_next_group);
 
-	status = ocfs2_journal_access(handle, alloc_inode, prev_bg_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_gd(handle, alloc_inode, prev_bg_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto out_rollback;
@@ -971,8 +1079,8 @@
 		goto out_rollback;
 	}
 
-	status = ocfs2_journal_access(handle, alloc_inode, bg_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_gd(handle, alloc_inode, bg_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto out_rollback;
@@ -986,8 +1094,8 @@
 		goto out_rollback;
 	}
 
-	status = ocfs2_journal_access(handle, alloc_inode, fe_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, alloc_inode, fe_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto out_rollback;
@@ -1008,7 +1116,7 @@
 		bg->bg_next_group = cpu_to_le64(bg_ptr);
 		prev_bg->bg_next_group = cpu_to_le64(prev_bg_ptr);
 	}
-out:
+
 	mlog_exit(status);
 	return status;
 }
@@ -1138,8 +1246,8 @@
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *) di_bh->b_data;
 	struct ocfs2_chain_list *cl = (struct ocfs2_chain_list *) &di->id2.i_chain;
 
-	ret = ocfs2_journal_access(handle, inode, di_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_di(handle, inode, di_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
@@ -1170,21 +1278,17 @@
 	u16 found;
 	struct buffer_head *group_bh = NULL;
 	struct ocfs2_group_desc *gd;
+	struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data;
 	struct inode *alloc_inode = ac->ac_inode;
 
-	ret = ocfs2_read_block(alloc_inode, gd_blkno, &group_bh);
+	ret = ocfs2_read_group_descriptor(alloc_inode, di, gd_blkno,
+					  &group_bh);
 	if (ret < 0) {
 		mlog_errno(ret);
 		return ret;
 	}
 
 	gd = (struct ocfs2_group_desc *) group_bh->b_data;
-	if (!OCFS2_IS_VALID_GROUP_DESC(gd)) {
-		OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, gd);
-		ret = -EIO;
-		goto out;
-	}
-
 	ret = ac->ac_group_search(alloc_inode, group_bh, bits_wanted, min_bits,
 				  ac->ac_max_block, bit_off, &found);
 	if (ret < 0) {
@@ -1241,19 +1345,14 @@
 	     bits_wanted, chain,
 	     (unsigned long long)OCFS2_I(alloc_inode)->ip_blkno);
 
-	status = ocfs2_read_block(alloc_inode,
-				  le64_to_cpu(cl->cl_recs[chain].c_blkno),
-				  &group_bh);
+	status = ocfs2_read_group_descriptor(alloc_inode, fe,
+					     le64_to_cpu(cl->cl_recs[chain].c_blkno),
+					     &group_bh);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 	bg = (struct ocfs2_group_desc *) group_bh->b_data;
-	status = ocfs2_check_group_descriptor(alloc_inode->i_sb, fe, bg);
-	if (status) {
-		mlog_errno(status);
-		goto bail;
-	}
 
 	status = -ENOSPC;
 	/* for now, the chain search is a bit simplistic. We just use
@@ -1271,18 +1370,13 @@
 		next_group = le64_to_cpu(bg->bg_next_group);
 		prev_group_bh = group_bh;
 		group_bh = NULL;
-		status = ocfs2_read_block(alloc_inode,
-					  next_group, &group_bh);
+		status = ocfs2_read_group_descriptor(alloc_inode, fe,
+						     next_group, &group_bh);
 		if (status < 0) {
 			mlog_errno(status);
 			goto bail;
 		}
 		bg = (struct ocfs2_group_desc *) group_bh->b_data;
-		status = ocfs2_check_group_descriptor(alloc_inode->i_sb, fe, bg);
-		if (status) {
-			mlog_errno(status);
-			goto bail;
-		}
 	}
 	if (status < 0) {
 		if (status != -ENOSPC)
@@ -1324,10 +1418,10 @@
 
 	/* Ok, claim our bits now: set the info on dinode, chainlist
 	 * and then the group */
-	status = ocfs2_journal_access(handle,
-				      alloc_inode,
-				      ac->ac_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle,
+					 alloc_inode,
+					 ac->ac_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -1392,11 +1486,11 @@
 	BUG_ON(!ac->ac_bh);
 
 	fe = (struct ocfs2_dinode *) ac->ac_bh->b_data;
-	if (!OCFS2_IS_VALID_DINODE(fe)) {
-		OCFS2_RO_ON_INVALID_DINODE(osb->sb, fe);
-		status = -EIO;
-		goto bail;
-	}
+
+	/* The bh was validated by the inode read during
+	 * ocfs2_reserve_suballoc_bits().  Any corruption is a code bug. */
+	BUG_ON(!OCFS2_IS_VALID_DINODE(fe));
+
 	if (le32_to_cpu(fe->id1.bitmap1.i_used) >=
 	    le32_to_cpu(fe->id1.bitmap1.i_total)) {
 		ocfs2_error(osb->sb, "Chain allocator dinode %llu has %u used "
@@ -1725,19 +1819,17 @@
 
 	mlog_entry_void();
 
-	if (!OCFS2_IS_VALID_GROUP_DESC(bg)) {
-		OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, bg);
-		status = -EIO;
-		goto bail;
-	}
+	/* The caller got this descriptor from
+	 * ocfs2_read_group_descriptor().  Any corruption is a code bug. */
+	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));
 
 	mlog(0, "off = %u, num = %u\n", bit_off, num_bits);
 
 	if (ocfs2_is_cluster_bitmap(alloc_inode))
 		journal_type = OCFS2_JOURNAL_ACCESS_UNDO;
 
-	status = ocfs2_journal_access(handle, alloc_inode, group_bh,
-				      journal_type);
+	status = ocfs2_journal_access_gd(handle, alloc_inode, group_bh,
+					 journal_type);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -1782,29 +1874,26 @@
 
 	mlog_entry_void();
 
-	if (!OCFS2_IS_VALID_DINODE(fe)) {
-		OCFS2_RO_ON_INVALID_DINODE(alloc_inode->i_sb, fe);
-		status = -EIO;
-		goto bail;
-	}
+	/* The alloc_bh comes from ocfs2_free_dinode() or
+	 * ocfs2_free_clusters().  The callers have all locked the
+	 * allocator and gotten alloc_bh from the lock call.  This
+	 * validates the dinode buffer.  Any corruption that has happended
+	 * is a code bug. */
+	BUG_ON(!OCFS2_IS_VALID_DINODE(fe));
 	BUG_ON((count + start_bit) > ocfs2_bits_per_group(cl));
 
 	mlog(0, "%llu: freeing %u bits from group %llu, starting at %u\n",
 	     (unsigned long long)OCFS2_I(alloc_inode)->ip_blkno, count,
 	     (unsigned long long)bg_blkno, start_bit);
 
-	status = ocfs2_read_block(alloc_inode, bg_blkno, &group_bh);
+	status = ocfs2_read_group_descriptor(alloc_inode, fe, bg_blkno,
+					     &group_bh);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
-
 	group = (struct ocfs2_group_desc *) group_bh->b_data;
-	status = ocfs2_check_group_descriptor(alloc_inode->i_sb, fe, group);
-	if (status) {
-		mlog_errno(status);
-		goto bail;
-	}
+
 	BUG_ON((count + start_bit) > le16_to_cpu(group->bg_bits));
 
 	status = ocfs2_block_group_clear_bits(handle, alloc_inode,
@@ -1815,8 +1904,8 @@
 		goto bail;
 	}
 
-	status = ocfs2_journal_access(handle, alloc_inode, alloc_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = ocfs2_journal_access_di(handle, alloc_inode, alloc_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index 4df159d..e3c13c7 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -164,10 +164,24 @@
  * and return that block offset. */
 u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster);
 
-/* somewhat more expensive than our other checks, so use sparingly. */
+/*
+ * By default, ocfs2_read_group_descriptor() calls ocfs2_error() when it
+ * finds a problem.  A caller that wants to check a group descriptor
+ * without going readonly should read the block with ocfs2_read_block[s]()
+ * and then checking it with this function.  This is only resize, really.
+ * Everyone else should be using ocfs2_read_group_descriptor().
+ */
 int ocfs2_check_group_descriptor(struct super_block *sb,
 				 struct ocfs2_dinode *di,
-				 struct ocfs2_group_desc *gd);
+				 struct buffer_head *bh);
+/*
+ * Read a group descriptor block into *bh.  If *bh is NULL, a bh will be
+ * allocated.  This is a cached read.  The descriptor will be validated with
+ * ocfs2_validate_group_descriptor().
+ */
+int ocfs2_read_group_descriptor(struct inode *inode, struct ocfs2_dinode *di,
+				u64 gd_blkno, struct buffer_head **bh);
+
 int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_extent_tree *et,
 			  u32 clusters_to_add, u32 extents_to_split,
 			  struct ocfs2_alloc_context **data_ac,
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 304b63a..43ed113 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -41,6 +41,7 @@
 #include <linux/debugfs.h>
 #include <linux/mount.h>
 #include <linux/seq_file.h>
+#include <linux/quotaops.h>
 
 #define MLOG_MASK_PREFIX ML_SUPER
 #include <cluster/masklog.h>
@@ -51,6 +52,7 @@
 #include "ocfs1_fs_compat.h"
 
 #include "alloc.h"
+#include "blockcheck.h"
 #include "dlmglue.h"
 #include "export.h"
 #include "extent_map.h"
@@ -65,10 +67,13 @@
 #include "uptodate.h"
 #include "ver.h"
 #include "xattr.h"
+#include "quota.h"
 
 #include "buffer_head_io.h"
 
 static struct kmem_cache *ocfs2_inode_cachep = NULL;
+struct kmem_cache *ocfs2_dquot_cachep;
+struct kmem_cache *ocfs2_qf_chunk_cachep;
 
 /* OCFS2 needs to schedule several differnt types of work which
  * require cluster locking, disk I/O, recovery waits, etc. Since these
@@ -124,6 +129,9 @@
 static void ocfs2_write_super(struct super_block *sb);
 static struct inode *ocfs2_alloc_inode(struct super_block *sb);
 static void ocfs2_destroy_inode(struct inode *inode);
+static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend);
+static int ocfs2_enable_quotas(struct ocfs2_super *osb);
+static void ocfs2_disable_quotas(struct ocfs2_super *osb);
 
 static const struct super_operations ocfs2_sops = {
 	.statfs		= ocfs2_statfs,
@@ -137,6 +145,8 @@
 	.put_super	= ocfs2_put_super,
 	.remount_fs	= ocfs2_remount,
 	.show_options   = ocfs2_show_options,
+	.quota_read	= ocfs2_quota_read,
+	.quota_write	= ocfs2_quota_write,
 };
 
 enum {
@@ -158,6 +168,10 @@
 	Opt_user_xattr,
 	Opt_nouser_xattr,
 	Opt_inode64,
+	Opt_acl,
+	Opt_noacl,
+	Opt_usrquota,
+	Opt_grpquota,
 	Opt_err,
 };
 
@@ -180,6 +194,10 @@
 	{Opt_user_xattr, "user_xattr"},
 	{Opt_nouser_xattr, "nouser_xattr"},
 	{Opt_inode64, "inode64"},
+	{Opt_acl, "acl"},
+	{Opt_noacl, "noacl"},
+	{Opt_usrquota, "usrquota"},
+	{Opt_grpquota, "grpquota"},
 	{Opt_err, NULL}
 };
 
@@ -221,6 +239,19 @@
 	return 0;
 }
 
+static int ocfs2_need_system_inode(struct ocfs2_super *osb, int ino)
+{
+	if (!OCFS2_HAS_RO_COMPAT_FEATURE(osb->sb, OCFS2_FEATURE_RO_COMPAT_USRQUOTA)
+	    && (ino == USER_QUOTA_SYSTEM_INODE
+		|| ino == LOCAL_USER_QUOTA_SYSTEM_INODE))
+		return 0;
+	if (!OCFS2_HAS_RO_COMPAT_FEATURE(osb->sb, OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)
+	    && (ino == GROUP_QUOTA_SYSTEM_INODE
+		|| ino == LOCAL_GROUP_QUOTA_SYSTEM_INODE))
+		return 0;
+	return 1;
+}
+
 static int ocfs2_init_global_system_inodes(struct ocfs2_super *osb)
 {
 	struct inode *new = NULL;
@@ -247,6 +278,8 @@
 
 	for (i = OCFS2_FIRST_ONLINE_SYSTEM_INODE;
 	     i <= OCFS2_LAST_GLOBAL_SYSTEM_INODE; i++) {
+		if (!ocfs2_need_system_inode(osb, i))
+			continue;
 		new = ocfs2_get_system_file_inode(osb, i, osb->slot_num);
 		if (!new) {
 			ocfs2_release_system_inodes(osb);
@@ -277,6 +310,8 @@
 	for (i = OCFS2_LAST_GLOBAL_SYSTEM_INODE + 1;
 	     i < NUM_SYSTEM_INODES;
 	     i++) {
+		if (!ocfs2_need_system_inode(osb, i))
+			continue;
 		new = ocfs2_get_system_file_inode(osb, i, osb->slot_num);
 		if (!new) {
 			ocfs2_release_system_inodes(osb);
@@ -426,6 +461,12 @@
 
 	/* We're going to/from readonly mode. */
 	if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) {
+		/* Disable quota accounting before remounting RO */
+		if (*flags & MS_RDONLY) {
+			ret = ocfs2_susp_quotas(osb, 0);
+			if (ret < 0)
+				goto out;
+		}
 		/* Lock here so the check of HARD_RO and the potential
 		 * setting of SOFT_RO is atomic. */
 		spin_lock(&osb->osb_lock);
@@ -461,11 +502,28 @@
 		}
 unlock_osb:
 		spin_unlock(&osb->osb_lock);
+		/* Enable quota accounting after remounting RW */
+		if (!ret && !(*flags & MS_RDONLY)) {
+			if (sb_any_quota_suspended(sb))
+				ret = ocfs2_susp_quotas(osb, 1);
+			else
+				ret = ocfs2_enable_quotas(osb);
+			if (ret < 0) {
+				/* Return back changes... */
+				spin_lock(&osb->osb_lock);
+				sb->s_flags |= MS_RDONLY;
+				osb->osb_flags |= OCFS2_OSB_SOFT_RO;
+				spin_unlock(&osb->osb_lock);
+				goto out;
+			}
+		}
 	}
 
 	if (!ret) {
 		/* Only save off the new mount options in case of a successful
 		 * remount. */
+		if (!(osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_XATTR))
+			parsed_options.mount_opt &= ~OCFS2_MOUNT_POSIX_ACL;
 		osb->s_mount_opt = parsed_options.mount_opt;
 		osb->s_atime_quantum = parsed_options.atime_quantum;
 		osb->preferred_slot = parsed_options.slot;
@@ -619,6 +677,131 @@
 	return 0;
 }
 
+static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend)
+{
+	int type;
+	struct super_block *sb = osb->sb;
+	unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
+					     OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
+	int status = 0;
+
+	for (type = 0; type < MAXQUOTAS; type++) {
+		if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
+			continue;
+		if (unsuspend)
+			status = vfs_quota_enable(
+					sb_dqopt(sb)->files[type],
+					type, QFMT_OCFS2,
+					DQUOT_SUSPENDED);
+		else
+			status = vfs_quota_disable(sb, type,
+						   DQUOT_SUSPENDED);
+		if (status < 0)
+			break;
+	}
+	if (status < 0)
+		mlog(ML_ERROR, "Failed to suspend/unsuspend quotas on "
+		     "remount (error = %d).\n", status);
+	return status;
+}
+
+static int ocfs2_enable_quotas(struct ocfs2_super *osb)
+{
+	struct inode *inode[MAXQUOTAS] = { NULL, NULL };
+	struct super_block *sb = osb->sb;
+	unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
+					     OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
+	unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
+					LOCAL_GROUP_QUOTA_SYSTEM_INODE };
+	int status;
+	int type;
+
+	sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE | DQUOT_NEGATIVE_USAGE;
+	for (type = 0; type < MAXQUOTAS; type++) {
+		if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
+			continue;
+		inode[type] = ocfs2_get_system_file_inode(osb, ino[type],
+							osb->slot_num);
+		if (!inode[type]) {
+			status = -ENOENT;
+			goto out_quota_off;
+		}
+		status = vfs_quota_enable(inode[type], type, QFMT_OCFS2,
+						DQUOT_USAGE_ENABLED);
+		if (status < 0)
+			goto out_quota_off;
+	}
+
+	for (type = 0; type < MAXQUOTAS; type++)
+		iput(inode[type]);
+	return 0;
+out_quota_off:
+	ocfs2_disable_quotas(osb);
+	for (type = 0; type < MAXQUOTAS; type++)
+		iput(inode[type]);
+	mlog_errno(status);
+	return status;
+}
+
+static void ocfs2_disable_quotas(struct ocfs2_super *osb)
+{
+	int type;
+	struct inode *inode;
+	struct super_block *sb = osb->sb;
+
+	/* We mostly ignore errors in this function because there's not much
+	 * we can do when we see them */
+	for (type = 0; type < MAXQUOTAS; type++) {
+		if (!sb_has_quota_loaded(sb, type))
+			continue;
+		inode = igrab(sb->s_dquot.files[type]);
+		/* Turn off quotas. This will remove all dquot structures from
+		 * memory and so they will be automatically synced to global
+		 * quota files */
+		vfs_quota_disable(sb, type, DQUOT_USAGE_ENABLED |
+					    DQUOT_LIMITS_ENABLED);
+		if (!inode)
+			continue;
+		iput(inode);
+	}
+}
+
+/* Handle quota on quotactl */
+static int ocfs2_quota_on(struct super_block *sb, int type, int format_id,
+			  char *path, int remount)
+{
+	unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
+					     OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
+
+	if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
+		return -EINVAL;
+
+	if (remount)
+		return 0;	/* Just ignore it has been handled in
+				 * ocfs2_remount() */
+	return vfs_quota_enable(sb_dqopt(sb)->files[type], type,
+				    format_id, DQUOT_LIMITS_ENABLED);
+}
+
+/* Handle quota off quotactl */
+static int ocfs2_quota_off(struct super_block *sb, int type, int remount)
+{
+	if (remount)
+		return 0;	/* Ignore now and handle later in
+				 * ocfs2_remount() */
+	return vfs_quota_disable(sb, type, DQUOT_LIMITS_ENABLED);
+}
+
+static struct quotactl_ops ocfs2_quotactl_ops = {
+	.quota_on	= ocfs2_quota_on,
+	.quota_off	= ocfs2_quota_off,
+	.quota_sync	= vfs_quota_sync,
+	.get_info	= vfs_get_dqinfo,
+	.set_info	= vfs_set_dqinfo,
+	.get_dqblk	= vfs_get_dqblk,
+	.set_dqblk	= vfs_set_dqblk,
+};
+
 static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
 {
 	struct dentry *root;
@@ -651,12 +834,32 @@
 	}
 	brelse(bh);
 	bh = NULL;
+
+	if (!(osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_XATTR))
+		parsed_options.mount_opt &= ~OCFS2_MOUNT_POSIX_ACL;
+
 	osb->s_mount_opt = parsed_options.mount_opt;
 	osb->s_atime_quantum = parsed_options.atime_quantum;
 	osb->preferred_slot = parsed_options.slot;
 	osb->osb_commit_interval = parsed_options.commit_interval;
 	osb->local_alloc_default_bits = ocfs2_megabytes_to_clusters(sb, parsed_options.localalloc_opt);
 	osb->local_alloc_bits = osb->local_alloc_default_bits;
+	if (osb->s_mount_opt & OCFS2_MOUNT_USRQUOTA &&
+	    !OCFS2_HAS_RO_COMPAT_FEATURE(sb,
+					 OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) {
+		status = -EINVAL;
+		mlog(ML_ERROR, "User quotas were requested, but this "
+		     "filesystem does not have the feature enabled.\n");
+		goto read_super_error;
+	}
+	if (osb->s_mount_opt & OCFS2_MOUNT_GRPQUOTA &&
+	    !OCFS2_HAS_RO_COMPAT_FEATURE(sb,
+					 OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) {
+		status = -EINVAL;
+		mlog(ML_ERROR, "Group quotas were requested, but this "
+		     "filesystem does not have the feature enabled.\n");
+		goto read_super_error;
+	}
 
 	status = ocfs2_verify_userspace_stack(osb, &parsed_options);
 	if (status)
@@ -664,6 +867,9 @@
 
 	sb->s_magic = OCFS2_SUPER_MAGIC;
 
+	sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+		((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+
 	/* Hard readonly mode only if: bdev_read_only, MS_RDONLY,
 	 * heartbeat=none */
 	if (bdev_read_only(sb->s_bdev)) {
@@ -758,6 +964,28 @@
 	atomic_set(&osb->vol_state, VOLUME_MOUNTED);
 	wake_up(&osb->osb_mount_event);
 
+	/* Now we can initialize quotas because we can afford to wait
+	 * for cluster locks recovery now. That also means that truncation
+	 * log recovery can happen but that waits for proper quota setup */
+	if (!(sb->s_flags & MS_RDONLY)) {
+		status = ocfs2_enable_quotas(osb);
+		if (status < 0) {
+			/* We have to err-out specially here because
+			 * s_root is already set */
+			mlog_errno(status);
+			atomic_set(&osb->vol_state, VOLUME_DISABLED);
+			wake_up(&osb->osb_mount_event);
+			mlog_exit(status);
+			return status;
+		}
+	}
+
+	ocfs2_complete_quota_recovery(osb);
+
+	/* Now we wake up again for processes waiting for quotas */
+	atomic_set(&osb->vol_state, VOLUME_MOUNTED_QUOTAS);
+	wake_up(&osb->osb_mount_event);
+
 	mlog_exit(status);
 	return status;
 
@@ -945,6 +1173,41 @@
 		case Opt_inode64:
 			mopt->mount_opt |= OCFS2_MOUNT_INODE64;
 			break;
+		case Opt_usrquota:
+			/* We check only on remount, otherwise features
+			 * aren't yet initialized. */
+			if (is_remount && !OCFS2_HAS_RO_COMPAT_FEATURE(sb,
+			    OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) {
+				mlog(ML_ERROR, "User quota requested but "
+				     "filesystem feature is not set\n");
+				status = 0;
+				goto bail;
+			}
+			mopt->mount_opt |= OCFS2_MOUNT_USRQUOTA;
+			break;
+		case Opt_grpquota:
+			if (is_remount && !OCFS2_HAS_RO_COMPAT_FEATURE(sb,
+			    OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) {
+				mlog(ML_ERROR, "Group quota requested but "
+				     "filesystem feature is not set\n");
+				status = 0;
+				goto bail;
+			}
+			mopt->mount_opt |= OCFS2_MOUNT_GRPQUOTA;
+			break;
+#ifdef CONFIG_OCFS2_FS_POSIX_ACL
+		case Opt_acl:
+			mopt->mount_opt |= OCFS2_MOUNT_POSIX_ACL;
+			break;
+		case Opt_noacl:
+			mopt->mount_opt &= ~OCFS2_MOUNT_POSIX_ACL;
+			break;
+#else
+		case Opt_acl:
+		case Opt_noacl:
+			printk(KERN_INFO "ocfs2 (no)acl options not supported\n");
+			break;
+#endif
 		default:
 			mlog(ML_ERROR,
 			     "Unrecognized mount option \"%s\" "
@@ -1008,6 +1271,10 @@
 	if (osb->osb_cluster_stack[0])
 		seq_printf(s, ",cluster_stack=%.*s", OCFS2_STACK_LABEL_LEN,
 			   osb->osb_cluster_stack);
+	if (opts & OCFS2_MOUNT_USRQUOTA)
+		seq_printf(s, ",usrquota");
+	if (opts & OCFS2_MOUNT_GRPQUOTA)
+		seq_printf(s, ",grpquota");
 
 	if (opts & OCFS2_MOUNT_NOUSERXATTR)
 		seq_printf(s, ",nouser_xattr");
@@ -1017,6 +1284,13 @@
 	if (opts & OCFS2_MOUNT_INODE64)
 		seq_printf(s, ",inode64");
 
+#ifdef CONFIG_OCFS2_FS_POSIX_ACL
+	if (opts & OCFS2_MOUNT_POSIX_ACL)
+		seq_printf(s, ",acl");
+	else
+		seq_printf(s, ",noacl");
+#endif
+
 	return 0;
 }
 
@@ -1052,10 +1326,16 @@
 		mlog(ML_ERROR, "Unable to create ocfs2 debugfs root.\n");
 	}
 
+	status = ocfs2_quota_setup();
+	if (status)
+		goto leave;
+
 	ocfs2_set_locking_protocol();
 
+	status = register_quota_format(&ocfs2_quota_format);
 leave:
 	if (status < 0) {
+		ocfs2_quota_shutdown();
 		ocfs2_free_mem_caches();
 		exit_ocfs2_uptodate_cache();
 	}
@@ -1072,11 +1352,15 @@
 {
 	mlog_entry_void();
 
+	ocfs2_quota_shutdown();
+
 	if (ocfs2_wq) {
 		flush_workqueue(ocfs2_wq);
 		destroy_workqueue(ocfs2_wq);
 	}
 
+	unregister_quota_format(&ocfs2_quota_format);
+
 	debugfs_remove(ocfs2_debugfs_root);
 
 	ocfs2_free_mem_caches();
@@ -1192,8 +1476,27 @@
 				       (SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|
 						SLAB_MEM_SPREAD),
 				       ocfs2_inode_init_once);
-	if (!ocfs2_inode_cachep)
+	ocfs2_dquot_cachep = kmem_cache_create("ocfs2_dquot_cache",
+					sizeof(struct ocfs2_dquot),
+					0,
+					(SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|
+						SLAB_MEM_SPREAD),
+					NULL);
+	ocfs2_qf_chunk_cachep = kmem_cache_create("ocfs2_qf_chunk_cache",
+					sizeof(struct ocfs2_quota_chunk),
+					0,
+					(SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD),
+					NULL);
+	if (!ocfs2_inode_cachep || !ocfs2_dquot_cachep ||
+	    !ocfs2_qf_chunk_cachep) {
+		if (ocfs2_inode_cachep)
+			kmem_cache_destroy(ocfs2_inode_cachep);
+		if (ocfs2_dquot_cachep)
+			kmem_cache_destroy(ocfs2_dquot_cachep);
+		if (ocfs2_qf_chunk_cachep)
+			kmem_cache_destroy(ocfs2_qf_chunk_cachep);
 		return -ENOMEM;
+	}
 
 	return 0;
 }
@@ -1202,8 +1505,15 @@
 {
 	if (ocfs2_inode_cachep)
 		kmem_cache_destroy(ocfs2_inode_cachep);
-
 	ocfs2_inode_cachep = NULL;
+
+	if (ocfs2_dquot_cachep)
+		kmem_cache_destroy(ocfs2_dquot_cachep);
+	ocfs2_dquot_cachep = NULL;
+
+	if (ocfs2_qf_chunk_cachep)
+		kmem_cache_destroy(ocfs2_qf_chunk_cachep);
+	ocfs2_qf_chunk_cachep = NULL;
 }
 
 static int ocfs2_get_sector(struct super_block *sb,
@@ -1303,6 +1613,8 @@
 	osb = OCFS2_SB(sb);
 	BUG_ON(!osb);
 
+	ocfs2_disable_quotas(osb);
+
 	ocfs2_shutdown_local_alloc(osb);
 
 	ocfs2_truncate_log_shutdown(osb);
@@ -1413,6 +1725,8 @@
 	sb->s_fs_info = osb;
 	sb->s_op = &ocfs2_sops;
 	sb->s_export_op = &ocfs2_export_ops;
+	sb->s_qcop = &ocfs2_quotactl_ops;
+	sb->dq_op = &ocfs2_quota_operations;
 	sb->s_xattr = ocfs2_xattr_handlers;
 	sb->s_time_gran = 1;
 	sb->s_flags |= MS_NOATIME;
@@ -1676,6 +1990,15 @@
 
 	if (memcmp(di->i_signature, OCFS2_SUPER_BLOCK_SIGNATURE,
 		   strlen(OCFS2_SUPER_BLOCK_SIGNATURE)) == 0) {
+		/* We have to do a raw check of the feature here */
+		if (le32_to_cpu(di->id2.i_super.s_feature_incompat) &
+		    OCFS2_FEATURE_INCOMPAT_META_ECC) {
+			status = ocfs2_block_check_validate(bh->b_data,
+							    bh->b_size,
+							    &di->i_check);
+			if (status)
+				goto out;
+		}
 		status = -EINVAL;
 		if ((1 << le32_to_cpu(di->id2.i_super.s_blocksize_bits)) != blksz) {
 			mlog(ML_ERROR, "found superblock with incorrect block "
@@ -1717,6 +2040,7 @@
 		}
 	}
 
+out:
 	mlog_exit(status);
 	return status;
 }
diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c
index cbd03df..ed0a0cf 100644
--- a/fs/ocfs2/symlink.c
+++ b/fs/ocfs2/symlink.c
@@ -84,7 +84,7 @@
 
 	mlog_entry_void();
 
-	status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, bh);
+	status = ocfs2_read_inode_block(inode, bh);
 	if (status < 0) {
 		mlog_errno(status);
 		link = ERR_PTR(status);
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 74d7367..e1d638a 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -35,12 +35,14 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/string.h>
+#include <linux/security.h>
 
 #define MLOG_MASK_PREFIX ML_XATTR
 #include <cluster/masklog.h>
 
 #include "ocfs2.h"
 #include "alloc.h"
+#include "blockcheck.h"
 #include "dlmglue.h"
 #include "file.h"
 #include "symlink.h"
@@ -61,12 +63,32 @@
 };
 
 struct ocfs2_xattr_bucket {
-	struct buffer_head *bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET];
-	struct ocfs2_xattr_header *xh;
+	/* The inode these xattrs are associated with */
+	struct inode *bu_inode;
+
+	/* The actual buffers that make up the bucket */
+	struct buffer_head *bu_bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET];
+
+	/* How many blocks make up one bucket for this filesystem */
+	int bu_blocks;
+};
+
+struct ocfs2_xattr_set_ctxt {
+	handle_t *handle;
+	struct ocfs2_alloc_context *meta_ac;
+	struct ocfs2_alloc_context *data_ac;
+	struct ocfs2_cached_dealloc_ctxt dealloc;
 };
 
 #define OCFS2_XATTR_ROOT_SIZE	(sizeof(struct ocfs2_xattr_def_value_root))
 #define OCFS2_XATTR_INLINE_SIZE	80
+#define OCFS2_XATTR_FREE_IN_IBODY	(OCFS2_MIN_XATTR_INLINE_SIZE \
+					 - sizeof(struct ocfs2_xattr_header) \
+					 - sizeof(__u32))
+#define OCFS2_XATTR_FREE_IN_BLOCK(ptr)	((ptr)->i_sb->s_blocksize \
+					 - sizeof(struct ocfs2_xattr_block) \
+					 - sizeof(struct ocfs2_xattr_header) \
+					 - sizeof(__u32))
 
 static struct ocfs2_xattr_def_value_root def_xv = {
 	.xv.xr_list.l_count = cpu_to_le16(1),
@@ -74,13 +96,25 @@
 
 struct xattr_handler *ocfs2_xattr_handlers[] = {
 	&ocfs2_xattr_user_handler,
+#ifdef CONFIG_OCFS2_FS_POSIX_ACL
+	&ocfs2_xattr_acl_access_handler,
+	&ocfs2_xattr_acl_default_handler,
+#endif
 	&ocfs2_xattr_trusted_handler,
+	&ocfs2_xattr_security_handler,
 	NULL
 };
 
 static struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = {
 	[OCFS2_XATTR_INDEX_USER]	= &ocfs2_xattr_user_handler,
+#ifdef CONFIG_OCFS2_FS_POSIX_ACL
+	[OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS]
+					= &ocfs2_xattr_acl_access_handler,
+	[OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT]
+					= &ocfs2_xattr_acl_default_handler,
+#endif
 	[OCFS2_XATTR_INDEX_TRUSTED]	= &ocfs2_xattr_trusted_handler,
+	[OCFS2_XATTR_INDEX_SECURITY]	= &ocfs2_xattr_security_handler,
 };
 
 struct ocfs2_xattr_info {
@@ -98,7 +132,7 @@
 	 */
 	struct buffer_head *xattr_bh;
 	struct ocfs2_xattr_header *header;
-	struct ocfs2_xattr_bucket bucket;
+	struct ocfs2_xattr_bucket *bucket;
 	void *base;
 	void *end;
 	struct ocfs2_xattr_entry *here;
@@ -127,14 +161,20 @@
 					size_t buffer_size);
 
 static int ocfs2_xattr_create_index_block(struct inode *inode,
-					  struct ocfs2_xattr_search *xs);
+					  struct ocfs2_xattr_search *xs,
+					  struct ocfs2_xattr_set_ctxt *ctxt);
 
 static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
 					     struct ocfs2_xattr_info *xi,
-					     struct ocfs2_xattr_search *xs);
+					     struct ocfs2_xattr_search *xs,
+					     struct ocfs2_xattr_set_ctxt *ctxt);
 
 static int ocfs2_delete_xattr_index_block(struct inode *inode,
 					  struct buffer_head *xb_bh);
+static int ocfs2_mv_xattr_buckets(struct inode *inode, handle_t *handle,
+				  u64 src_blk, u64 last_blk, u64 to_blk,
+				  unsigned int start_bucket,
+				  u32 *first_hash);
 
 static inline u16 ocfs2_xattr_buckets_per_cluster(struct ocfs2_super *osb)
 {
@@ -154,6 +194,216 @@
 	return len / sizeof(struct ocfs2_xattr_entry);
 }
 
+#define bucket_blkno(_b) ((_b)->bu_bhs[0]->b_blocknr)
+#define bucket_block(_b, _n) ((_b)->bu_bhs[(_n)]->b_data)
+#define bucket_xh(_b) ((struct ocfs2_xattr_header *)bucket_block((_b), 0))
+
+static struct ocfs2_xattr_bucket *ocfs2_xattr_bucket_new(struct inode *inode)
+{
+	struct ocfs2_xattr_bucket *bucket;
+	int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+
+	BUG_ON(blks > OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET);
+
+	bucket = kzalloc(sizeof(struct ocfs2_xattr_bucket), GFP_NOFS);
+	if (bucket) {
+		bucket->bu_inode = inode;
+		bucket->bu_blocks = blks;
+	}
+
+	return bucket;
+}
+
+static void ocfs2_xattr_bucket_relse(struct ocfs2_xattr_bucket *bucket)
+{
+	int i;
+
+	for (i = 0; i < bucket->bu_blocks; i++) {
+		brelse(bucket->bu_bhs[i]);
+		bucket->bu_bhs[i] = NULL;
+	}
+}
+
+static void ocfs2_xattr_bucket_free(struct ocfs2_xattr_bucket *bucket)
+{
+	if (bucket) {
+		ocfs2_xattr_bucket_relse(bucket);
+		bucket->bu_inode = NULL;
+		kfree(bucket);
+	}
+}
+
+/*
+ * A bucket that has never been written to disk doesn't need to be
+ * read.  We just need the buffer_heads.  Don't call this for
+ * buckets that are already on disk.  ocfs2_read_xattr_bucket() initializes
+ * them fully.
+ */
+static int ocfs2_init_xattr_bucket(struct ocfs2_xattr_bucket *bucket,
+				   u64 xb_blkno)
+{
+	int i, rc = 0;
+
+	for (i = 0; i < bucket->bu_blocks; i++) {
+		bucket->bu_bhs[i] = sb_getblk(bucket->bu_inode->i_sb,
+					      xb_blkno + i);
+		if (!bucket->bu_bhs[i]) {
+			rc = -EIO;
+			mlog_errno(rc);
+			break;
+		}
+
+		if (!ocfs2_buffer_uptodate(bucket->bu_inode,
+					   bucket->bu_bhs[i]))
+			ocfs2_set_new_buffer_uptodate(bucket->bu_inode,
+						      bucket->bu_bhs[i]);
+	}
+
+	if (rc)
+		ocfs2_xattr_bucket_relse(bucket);
+	return rc;
+}
+
+/* Read the xattr bucket at xb_blkno */
+static int ocfs2_read_xattr_bucket(struct ocfs2_xattr_bucket *bucket,
+				   u64 xb_blkno)
+{
+	int rc;
+
+	rc = ocfs2_read_blocks(bucket->bu_inode, xb_blkno,
+			       bucket->bu_blocks, bucket->bu_bhs, 0,
+			       NULL);
+	if (!rc) {
+		rc = ocfs2_validate_meta_ecc_bhs(bucket->bu_inode->i_sb,
+						 bucket->bu_bhs,
+						 bucket->bu_blocks,
+						 &bucket_xh(bucket)->xh_check);
+		if (rc)
+			mlog_errno(rc);
+	}
+
+	if (rc)
+		ocfs2_xattr_bucket_relse(bucket);
+	return rc;
+}
+
+static int ocfs2_xattr_bucket_journal_access(handle_t *handle,
+					     struct ocfs2_xattr_bucket *bucket,
+					     int type)
+{
+	int i, rc = 0;
+
+	for (i = 0; i < bucket->bu_blocks; i++) {
+		rc = ocfs2_journal_access(handle, bucket->bu_inode,
+					  bucket->bu_bhs[i], type);
+		if (rc) {
+			mlog_errno(rc);
+			break;
+		}
+	}
+
+	return rc;
+}
+
+static void ocfs2_xattr_bucket_journal_dirty(handle_t *handle,
+					     struct ocfs2_xattr_bucket *bucket)
+{
+	int i;
+
+	ocfs2_compute_meta_ecc_bhs(bucket->bu_inode->i_sb,
+				   bucket->bu_bhs, bucket->bu_blocks,
+				   &bucket_xh(bucket)->xh_check);
+
+	for (i = 0; i < bucket->bu_blocks; i++)
+		ocfs2_journal_dirty(handle, bucket->bu_bhs[i]);
+}
+
+static void ocfs2_xattr_bucket_copy_data(struct ocfs2_xattr_bucket *dest,
+					 struct ocfs2_xattr_bucket *src)
+{
+	int i;
+	int blocksize = src->bu_inode->i_sb->s_blocksize;
+
+	BUG_ON(dest->bu_blocks != src->bu_blocks);
+	BUG_ON(dest->bu_inode != src->bu_inode);
+
+	for (i = 0; i < src->bu_blocks; i++) {
+		memcpy(bucket_block(dest, i), bucket_block(src, i),
+		       blocksize);
+	}
+}
+
+static int ocfs2_validate_xattr_block(struct super_block *sb,
+				      struct buffer_head *bh)
+{
+	int rc;
+	struct ocfs2_xattr_block *xb =
+		(struct ocfs2_xattr_block *)bh->b_data;
+
+	mlog(0, "Validating xattr block %llu\n",
+	     (unsigned long long)bh->b_blocknr);
+
+	BUG_ON(!buffer_uptodate(bh));
+
+	/*
+	 * If the ecc fails, we return the error but otherwise
+	 * leave the filesystem running.  We know any error is
+	 * local to this block.
+	 */
+	rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &xb->xb_check);
+	if (rc)
+		return rc;
+
+	/*
+	 * Errors after here are fatal
+	 */
+
+	if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) {
+		ocfs2_error(sb,
+			    "Extended attribute block #%llu has bad "
+			    "signature %.*s",
+			    (unsigned long long)bh->b_blocknr, 7,
+			    xb->xb_signature);
+		return -EINVAL;
+	}
+
+	if (le64_to_cpu(xb->xb_blkno) != bh->b_blocknr) {
+		ocfs2_error(sb,
+			    "Extended attribute block #%llu has an "
+			    "invalid xb_blkno of %llu",
+			    (unsigned long long)bh->b_blocknr,
+			    (unsigned long long)le64_to_cpu(xb->xb_blkno));
+		return -EINVAL;
+	}
+
+	if (le32_to_cpu(xb->xb_fs_generation) != OCFS2_SB(sb)->fs_generation) {
+		ocfs2_error(sb,
+			    "Extended attribute block #%llu has an invalid "
+			    "xb_fs_generation of #%u",
+			    (unsigned long long)bh->b_blocknr,
+			    le32_to_cpu(xb->xb_fs_generation));
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int ocfs2_read_xattr_block(struct inode *inode, u64 xb_blkno,
+				  struct buffer_head **bh)
+{
+	int rc;
+	struct buffer_head *tmp = *bh;
+
+	rc = ocfs2_read_block(inode, xb_blkno, &tmp,
+			      ocfs2_validate_xattr_block);
+
+	/* If ocfs2_read_block() got us a new bh, pass it up. */
+	if (!rc && !*bh)
+		*bh = tmp;
+
+	return rc;
+}
+
 static inline const char *ocfs2_xattr_prefix(int name_index)
 {
 	struct xattr_handler *handler = NULL;
@@ -200,54 +450,163 @@
 	return;
 }
 
+static int ocfs2_xattr_entry_real_size(int name_len, size_t value_len)
+{
+	int size = 0;
+
+	if (value_len <= OCFS2_XATTR_INLINE_SIZE)
+		size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_SIZE(value_len);
+	else
+		size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE;
+	size += sizeof(struct ocfs2_xattr_entry);
+
+	return size;
+}
+
+int ocfs2_calc_security_init(struct inode *dir,
+			     struct ocfs2_security_xattr_info *si,
+			     int *want_clusters,
+			     int *xattr_credits,
+			     struct ocfs2_alloc_context **xattr_ac)
+{
+	int ret = 0;
+	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
+	int s_size = ocfs2_xattr_entry_real_size(strlen(si->name),
+						 si->value_len);
+
+	/*
+	 * The max space of security xattr taken inline is
+	 * 256(name) + 80(value) + 16(entry) = 352 bytes,
+	 * So reserve one metadata block for it is ok.
+	 */
+	if (dir->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE ||
+	    s_size > OCFS2_XATTR_FREE_IN_IBODY) {
+		ret = ocfs2_reserve_new_metadata_blocks(osb, 1, xattr_ac);
+		if (ret) {
+			mlog_errno(ret);
+			return ret;
+		}
+		*xattr_credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS;
+	}
+
+	/* reserve clusters for xattr value which will be set in B tree*/
+	if (si->value_len > OCFS2_XATTR_INLINE_SIZE) {
+		int new_clusters = ocfs2_clusters_for_bytes(dir->i_sb,
+							    si->value_len);
+
+		*xattr_credits += ocfs2_clusters_to_blocks(dir->i_sb,
+							   new_clusters);
+		*want_clusters += new_clusters;
+	}
+	return ret;
+}
+
+int ocfs2_calc_xattr_init(struct inode *dir,
+			  struct buffer_head *dir_bh,
+			  int mode,
+			  struct ocfs2_security_xattr_info *si,
+			  int *want_clusters,
+			  int *xattr_credits,
+			  struct ocfs2_alloc_context **xattr_ac)
+{
+	int ret = 0;
+	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
+	int s_size = 0, a_size = 0, acl_len = 0, new_clusters;
+
+	if (si->enable)
+		s_size = ocfs2_xattr_entry_real_size(strlen(si->name),
+						     si->value_len);
+
+	if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) {
+		acl_len = ocfs2_xattr_get_nolock(dir, dir_bh,
+					OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT,
+					"", NULL, 0);
+		if (acl_len > 0) {
+			a_size = ocfs2_xattr_entry_real_size(0, acl_len);
+			if (S_ISDIR(mode))
+				a_size <<= 1;
+		} else if (acl_len != 0 && acl_len != -ENODATA) {
+			mlog_errno(ret);
+			return ret;
+		}
+	}
+
+	if (!(s_size + a_size))
+		return ret;
+
+	/*
+	 * The max space of security xattr taken inline is
+	 * 256(name) + 80(value) + 16(entry) = 352 bytes,
+	 * The max space of acl xattr taken inline is
+	 * 80(value) + 16(entry) * 2(if directory) = 192 bytes,
+	 * when blocksize = 512, may reserve one more cluser for
+	 * xattr bucket, otherwise reserve one metadata block
+	 * for them is ok.
+	 */
+	if (dir->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE ||
+	    (s_size + a_size) > OCFS2_XATTR_FREE_IN_IBODY) {
+		ret = ocfs2_reserve_new_metadata_blocks(osb, 1, xattr_ac);
+		if (ret) {
+			mlog_errno(ret);
+			return ret;
+		}
+		*xattr_credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS;
+	}
+
+	if (dir->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE &&
+	    (s_size + a_size) > OCFS2_XATTR_FREE_IN_BLOCK(dir)) {
+		*want_clusters += 1;
+		*xattr_credits += ocfs2_blocks_per_xattr_bucket(dir->i_sb);
+	}
+
+	/*
+	 * reserve credits and clusters for xattrs which has large value
+	 * and have to be set outside
+	 */
+	if (si->enable && si->value_len > OCFS2_XATTR_INLINE_SIZE) {
+		new_clusters = ocfs2_clusters_for_bytes(dir->i_sb,
+							si->value_len);
+		*xattr_credits += ocfs2_clusters_to_blocks(dir->i_sb,
+							   new_clusters);
+		*want_clusters += new_clusters;
+	}
+	if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL &&
+	    acl_len > OCFS2_XATTR_INLINE_SIZE) {
+		/* for directory, it has DEFAULT and ACCESS two types of acls */
+		new_clusters = (S_ISDIR(mode) ? 2 : 1) *
+				ocfs2_clusters_for_bytes(dir->i_sb, acl_len);
+		*xattr_credits += ocfs2_clusters_to_blocks(dir->i_sb,
+							   new_clusters);
+		*want_clusters += new_clusters;
+	}
+
+	return ret;
+}
+
 static int ocfs2_xattr_extend_allocation(struct inode *inode,
 					 u32 clusters_to_add,
-					 struct buffer_head *xattr_bh,
-					 struct ocfs2_xattr_value_root *xv)
+					 struct ocfs2_xattr_value_buf *vb,
+					 struct ocfs2_xattr_set_ctxt *ctxt)
 {
 	int status = 0;
-	int restart_func = 0;
-	int credits = 0;
-	handle_t *handle = NULL;
-	struct ocfs2_alloc_context *data_ac = NULL;
-	struct ocfs2_alloc_context *meta_ac = NULL;
+	handle_t *handle = ctxt->handle;
 	enum ocfs2_alloc_restarted why;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-	u32 prev_clusters, logical_start = le32_to_cpu(xv->xr_clusters);
+	u32 prev_clusters, logical_start = le32_to_cpu(vb->vb_xv->xr_clusters);
 	struct ocfs2_extent_tree et;
 
 	mlog(0, "(clusters_to_add for xattr= %u)\n", clusters_to_add);
 
-	ocfs2_init_xattr_value_extent_tree(&et, inode, xattr_bh, xv);
+	ocfs2_init_xattr_value_extent_tree(&et, inode, vb);
 
-restart_all:
-
-	status = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0,
-				       &data_ac, &meta_ac);
-	if (status) {
-		mlog_errno(status);
-		goto leave;
-	}
-
-	credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el,
-					    clusters_to_add);
-	handle = ocfs2_start_trans(osb, credits);
-	if (IS_ERR(handle)) {
-		status = PTR_ERR(handle);
-		handle = NULL;
-		mlog_errno(status);
-		goto leave;
-	}
-
-restarted_transaction:
-	status = ocfs2_journal_access(handle, inode, xattr_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
+	status = vb->vb_access(handle, inode, vb->vb_bh,
+			      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
 	}
 
-	prev_clusters = le32_to_cpu(xv->xr_clusters);
+	prev_clusters = le32_to_cpu(vb->vb_xv->xr_clusters);
 	status = ocfs2_add_clusters_in_btree(osb,
 					     inode,
 					     &logical_start,
@@ -255,157 +614,84 @@
 					     0,
 					     &et,
 					     handle,
-					     data_ac,
-					     meta_ac,
+					     ctxt->data_ac,
+					     ctxt->meta_ac,
 					     &why);
-	if ((status < 0) && (status != -EAGAIN)) {
-		if (status != -ENOSPC)
-			mlog_errno(status);
-		goto leave;
-	}
-
-	status = ocfs2_journal_dirty(handle, xattr_bh);
 	if (status < 0) {
 		mlog_errno(status);
 		goto leave;
 	}
 
-	clusters_to_add -= le32_to_cpu(xv->xr_clusters) - prev_clusters;
-
-	if (why != RESTART_NONE && clusters_to_add) {
-		if (why == RESTART_META) {
-			mlog(0, "restarting function.\n");
-			restart_func = 1;
-		} else {
-			BUG_ON(why != RESTART_TRANS);
-
-			mlog(0, "restarting transaction.\n");
-			/* TODO: This can be more intelligent. */
-			credits = ocfs2_calc_extend_credits(osb->sb,
-							    et.et_root_el,
-							    clusters_to_add);
-			status = ocfs2_extend_trans(handle, credits);
-			if (status < 0) {
-				/* handle still has to be committed at
-				 * this point. */
-				status = -ENOMEM;
-				mlog_errno(status);
-				goto leave;
-			}
-			goto restarted_transaction;
-		}
+	status = ocfs2_journal_dirty(handle, vb->vb_bh);
+	if (status < 0) {
+		mlog_errno(status);
+		goto leave;
 	}
 
+	clusters_to_add -= le32_to_cpu(vb->vb_xv->xr_clusters) - prev_clusters;
+
+	/*
+	 * We should have already allocated enough space before the transaction,
+	 * so no need to restart.
+	 */
+	BUG_ON(why != RESTART_NONE || clusters_to_add);
+
 leave:
-	if (handle) {
-		ocfs2_commit_trans(osb, handle);
-		handle = NULL;
-	}
-	if (data_ac) {
-		ocfs2_free_alloc_context(data_ac);
-		data_ac = NULL;
-	}
-	if (meta_ac) {
-		ocfs2_free_alloc_context(meta_ac);
-		meta_ac = NULL;
-	}
-	if ((!status) && restart_func) {
-		restart_func = 0;
-		goto restart_all;
-	}
 
 	return status;
 }
 
 static int __ocfs2_remove_xattr_range(struct inode *inode,
-				      struct buffer_head *root_bh,
-				      struct ocfs2_xattr_value_root *xv,
+				      struct ocfs2_xattr_value_buf *vb,
 				      u32 cpos, u32 phys_cpos, u32 len,
-				      struct ocfs2_cached_dealloc_ctxt *dealloc)
+				      struct ocfs2_xattr_set_ctxt *ctxt)
 {
 	int ret;
 	u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos);
-	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-	struct inode *tl_inode = osb->osb_tl_inode;
-	handle_t *handle;
-	struct ocfs2_alloc_context *meta_ac = NULL;
+	handle_t *handle = ctxt->handle;
 	struct ocfs2_extent_tree et;
 
-	ocfs2_init_xattr_value_extent_tree(&et, inode, root_bh, xv);
+	ocfs2_init_xattr_value_extent_tree(&et, inode, vb);
 
-	ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac);
+	ret = vb->vb_access(handle, inode, vb->vb_bh,
+			    OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
-		return ret;
-	}
-
-	mutex_lock(&tl_inode->i_mutex);
-
-	if (ocfs2_truncate_log_needs_flush(osb)) {
-		ret = __ocfs2_flush_truncate_log(osb);
-		if (ret < 0) {
-			mlog_errno(ret);
-			goto out;
-		}
-	}
-
-	handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		mlog_errno(ret);
 		goto out;
 	}
 
-	ret = ocfs2_journal_access(handle, inode, root_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, ctxt->meta_ac,
+				  &ctxt->dealloc);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		goto out;
 	}
 
-	ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac,
-				  dealloc);
+	le32_add_cpu(&vb->vb_xv->xr_clusters, -len);
+
+	ret = ocfs2_journal_dirty(handle, vb->vb_bh);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		goto out;
 	}
 
-	le32_add_cpu(&xv->xr_clusters, -len);
-
-	ret = ocfs2_journal_dirty(handle, root_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
-
-	ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len);
+	ret = ocfs2_cache_cluster_dealloc(&ctxt->dealloc, phys_blkno, len);
 	if (ret)
 		mlog_errno(ret);
 
-out_commit:
-	ocfs2_commit_trans(osb, handle);
 out:
-	mutex_unlock(&tl_inode->i_mutex);
-
-	if (meta_ac)
-		ocfs2_free_alloc_context(meta_ac);
-
 	return ret;
 }
 
 static int ocfs2_xattr_shrink_size(struct inode *inode,
 				   u32 old_clusters,
 				   u32 new_clusters,
-				   struct buffer_head *root_bh,
-				   struct ocfs2_xattr_value_root *xv)
+				   struct ocfs2_xattr_value_buf *vb,
+				   struct ocfs2_xattr_set_ctxt *ctxt)
 {
 	int ret = 0;
 	u32 trunc_len, cpos, phys_cpos, alloc_size;
 	u64 block;
-	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-	struct ocfs2_cached_dealloc_ctxt dealloc;
-
-	ocfs2_init_dealloc_ctxt(&dealloc);
 
 	if (old_clusters <= new_clusters)
 		return 0;
@@ -414,7 +700,8 @@
 	trunc_len = old_clusters - new_clusters;
 	while (trunc_len) {
 		ret = ocfs2_xattr_get_clusters(inode, cpos, &phys_cpos,
-					       &alloc_size, &xv->xr_list);
+					       &alloc_size,
+					       &vb->vb_xv->xr_list);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -423,9 +710,9 @@
 		if (alloc_size > trunc_len)
 			alloc_size = trunc_len;
 
-		ret = __ocfs2_remove_xattr_range(inode, root_bh, xv, cpos,
+		ret = __ocfs2_remove_xattr_range(inode, vb, cpos,
 						 phys_cpos, alloc_size,
-						 &dealloc);
+						 ctxt);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -439,20 +726,17 @@
 	}
 
 out:
-	ocfs2_schedule_truncate_log_flush(osb, 1);
-	ocfs2_run_deallocs(osb, &dealloc);
-
 	return ret;
 }
 
 static int ocfs2_xattr_value_truncate(struct inode *inode,
-				      struct buffer_head *root_bh,
-				      struct ocfs2_xattr_value_root *xv,
-				      int len)
+				      struct ocfs2_xattr_value_buf *vb,
+				      int len,
+				      struct ocfs2_xattr_set_ctxt *ctxt)
 {
 	int ret;
 	u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb, len);
-	u32 old_clusters = le32_to_cpu(xv->xr_clusters);
+	u32 old_clusters = le32_to_cpu(vb->vb_xv->xr_clusters);
 
 	if (new_clusters == old_clusters)
 		return 0;
@@ -460,11 +744,11 @@
 	if (new_clusters > old_clusters)
 		ret = ocfs2_xattr_extend_allocation(inode,
 						    new_clusters - old_clusters,
-						    root_bh, xv);
+						    vb, ctxt);
 	else
 		ret = ocfs2_xattr_shrink_size(inode,
 					      old_clusters, new_clusters,
-					      root_bh, xv);
+					      vb, ctxt);
 
 	return ret;
 }
@@ -554,18 +838,14 @@
 	if (!di->i_xattr_loc)
 		return ret;
 
-	ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), &blk_bh);
+	ret = ocfs2_read_xattr_block(inode, le64_to_cpu(di->i_xattr_loc),
+				     &blk_bh);
 	if (ret < 0) {
 		mlog_errno(ret);
 		return ret;
 	}
 
 	xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
-	if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) {
-		ret = -EIO;
-		goto cleanup;
-	}
-
 	if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) {
 		struct ocfs2_xattr_header *header = &xb->xb_attrs.xb_header;
 		ret = ocfs2_xattr_list_entries(inode, header,
@@ -575,7 +855,7 @@
 		ret = ocfs2_xattr_tree_list_index_block(inode, xt,
 						   buffer, buffer_size);
 	}
-cleanup:
+
 	brelse(blk_bh);
 
 	return ret;
@@ -685,7 +965,7 @@
 		blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster);
 		/* Copy ocfs2_xattr_value */
 		for (i = 0; i < num_clusters * bpc; i++, blkno++) {
-			ret = ocfs2_read_block(inode, blkno, &bh);
+			ret = ocfs2_read_block(inode, blkno, &bh, NULL);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;
@@ -769,7 +1049,12 @@
 	size_t size;
 	int ret = -ENODATA, name_offset, name_len, block_off, i;
 
-	memset(&xs->bucket, 0, sizeof(xs->bucket));
+	xs->bucket = ocfs2_xattr_bucket_new(inode);
+	if (!xs->bucket) {
+		ret = -ENOMEM;
+		mlog_errno(ret);
+		goto cleanup;
+	}
 
 	ret = ocfs2_xattr_block_find(inode, name_index, name, xs);
 	if (ret) {
@@ -795,11 +1080,11 @@
 
 		if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) {
 			ret = ocfs2_xattr_bucket_get_name_value(inode,
-								xs->bucket.xh,
+								bucket_xh(xs->bucket),
 								i,
 								&block_off,
 								&name_offset);
-			xs->base = xs->bucket.bhs[block_off]->b_data;
+			xs->base = bucket_block(xs->bucket, block_off);
 		}
 		if (ocfs2_xattr_is_local(xs->here)) {
 			memcpy(buffer, (void *)xs->base +
@@ -817,15 +1102,50 @@
 	}
 	ret = size;
 cleanup:
-	for (i = 0; i < OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET; i++)
-		brelse(xs->bucket.bhs[i]);
-	memset(&xs->bucket, 0, sizeof(xs->bucket));
+	ocfs2_xattr_bucket_free(xs->bucket);
 
 	brelse(xs->xattr_bh);
 	xs->xattr_bh = NULL;
 	return ret;
 }
 
+int ocfs2_xattr_get_nolock(struct inode *inode,
+			   struct buffer_head *di_bh,
+			   int name_index,
+			   const char *name,
+			   void *buffer,
+			   size_t buffer_size)
+{
+	int ret;
+	struct ocfs2_dinode *di = NULL;
+	struct ocfs2_inode_info *oi = OCFS2_I(inode);
+	struct ocfs2_xattr_search xis = {
+		.not_found = -ENODATA,
+	};
+	struct ocfs2_xattr_search xbs = {
+		.not_found = -ENODATA,
+	};
+
+	if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))
+		return -EOPNOTSUPP;
+
+	if (!(oi->ip_dyn_features & OCFS2_HAS_XATTR_FL))
+		ret = -ENODATA;
+
+	xis.inode_bh = xbs.inode_bh = di_bh;
+	di = (struct ocfs2_dinode *)di_bh->b_data;
+
+	down_read(&oi->ip_xattr_sem);
+	ret = ocfs2_xattr_ibody_get(inode, name_index, name, buffer,
+				    buffer_size, &xis);
+	if (ret == -ENODATA && di->i_xattr_loc)
+		ret = ocfs2_xattr_block_get(inode, name_index, name, buffer,
+					    buffer_size, &xbs);
+	up_read(&oi->ip_xattr_sem);
+
+	return ret;
+}
+
 /* ocfs2_xattr_get()
  *
  * Copy an extended attribute into the buffer provided.
@@ -838,37 +1158,16 @@
 			   size_t buffer_size)
 {
 	int ret;
-	struct ocfs2_dinode *di = NULL;
 	struct buffer_head *di_bh = NULL;
-	struct ocfs2_inode_info *oi = OCFS2_I(inode);
-	struct ocfs2_xattr_search xis = {
-		.not_found = -ENODATA,
-	};
-	struct ocfs2_xattr_search xbs = {
-		.not_found = -ENODATA,
-	};
-
-	if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))
-		return -EOPNOTSUPP;
-
-	if (!(oi->ip_dyn_features & OCFS2_HAS_XATTR_FL))
-		ret = -ENODATA;
 
 	ret = ocfs2_inode_lock(inode, &di_bh, 0);
 	if (ret < 0) {
 		mlog_errno(ret);
 		return ret;
 	}
-	xis.inode_bh = xbs.inode_bh = di_bh;
-	di = (struct ocfs2_dinode *)di_bh->b_data;
+	ret = ocfs2_xattr_get_nolock(inode, di_bh, name_index,
+				     name, buffer, buffer_size);
 
-	down_read(&oi->ip_xattr_sem);
-	ret = ocfs2_xattr_ibody_get(inode, name_index, name, buffer,
-				    buffer_size, &xis);
-	if (ret == -ENODATA && di->i_xattr_loc)
-		ret = ocfs2_xattr_block_get(inode, name_index, name, buffer,
-					    buffer_size, &xbs);
-	up_read(&oi->ip_xattr_sem);
 	ocfs2_inode_unlock(inode, 0);
 
 	brelse(di_bh);
@@ -877,44 +1176,36 @@
 }
 
 static int __ocfs2_xattr_set_value_outside(struct inode *inode,
+					   handle_t *handle,
 					   struct ocfs2_xattr_value_root *xv,
 					   const void *value,
 					   int value_len)
 {
-	int ret = 0, i, cp_len, credits;
+	int ret = 0, i, cp_len;
 	u16 blocksize = inode->i_sb->s_blocksize;
 	u32 p_cluster, num_clusters;
 	u32 cpos = 0, bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1);
 	u32 clusters = ocfs2_clusters_for_bytes(inode->i_sb, value_len);
 	u64 blkno;
 	struct buffer_head *bh = NULL;
-	handle_t *handle;
 
 	BUG_ON(clusters > le32_to_cpu(xv->xr_clusters));
 
-	credits = clusters * bpc;
-	handle = ocfs2_start_trans(OCFS2_SB(inode->i_sb), credits);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		mlog_errno(ret);
-		goto out;
-	}
-
 	while (cpos < clusters) {
 		ret = ocfs2_xattr_get_clusters(inode, cpos, &p_cluster,
 					       &num_clusters, &xv->xr_list);
 		if (ret) {
 			mlog_errno(ret);
-			goto out_commit;
+			goto out;
 		}
 
 		blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster);
 
 		for (i = 0; i < num_clusters * bpc; i++, blkno++) {
-			ret = ocfs2_read_block(inode, blkno, &bh);
+			ret = ocfs2_read_block(inode, blkno, &bh, NULL);
 			if (ret) {
 				mlog_errno(ret);
-				goto out_commit;
+				goto out;
 			}
 
 			ret = ocfs2_journal_access(handle,
@@ -923,7 +1214,7 @@
 						   OCFS2_JOURNAL_ACCESS_WRITE);
 			if (ret < 0) {
 				mlog_errno(ret);
-				goto out_commit;
+				goto out;
 			}
 
 			cp_len = value_len > blocksize ? blocksize : value_len;
@@ -937,7 +1228,7 @@
 			ret = ocfs2_journal_dirty(handle, bh);
 			if (ret < 0) {
 				mlog_errno(ret);
-				goto out_commit;
+				goto out;
 			}
 			brelse(bh);
 			bh = NULL;
@@ -951,8 +1242,6 @@
 		}
 		cpos += num_clusters;
 	}
-out_commit:
-	ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
 out:
 	brelse(bh);
 
@@ -960,28 +1249,22 @@
 }
 
 static int ocfs2_xattr_cleanup(struct inode *inode,
+			       handle_t *handle,
 			       struct ocfs2_xattr_info *xi,
 			       struct ocfs2_xattr_search *xs,
+			       struct ocfs2_xattr_value_buf *vb,
 			       size_t offs)
 {
-	handle_t *handle = NULL;
 	int ret = 0;
 	size_t name_len = strlen(xi->name);
 	void *val = xs->base + offs;
 	size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE;
 
-	handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)),
-				   OCFS2_XATTR_BLOCK_UPDATE_CREDITS);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		mlog_errno(ret);
-		goto out;
-	}
-	ret = ocfs2_journal_access(handle, inode, xs->xattr_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = vb->vb_access(handle, inode, vb->vb_bh,
+			    OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		goto out;
 	}
 	/* Decrease xattr count */
 	le16_add_cpu(&xs->header->xh_count, -1);
@@ -989,35 +1272,27 @@
 	memset((void *)xs->here, 0, sizeof(struct ocfs2_xattr_entry));
 	memset(val, 0, size);
 
-	ret = ocfs2_journal_dirty(handle, xs->xattr_bh);
+	ret = ocfs2_journal_dirty(handle, vb->vb_bh);
 	if (ret < 0)
 		mlog_errno(ret);
-out_commit:
-	ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
 out:
 	return ret;
 }
 
 static int ocfs2_xattr_update_entry(struct inode *inode,
+				    handle_t *handle,
 				    struct ocfs2_xattr_info *xi,
 				    struct ocfs2_xattr_search *xs,
+				    struct ocfs2_xattr_value_buf *vb,
 				    size_t offs)
 {
-	handle_t *handle = NULL;
-	int ret = 0;
+	int ret;
 
-	handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)),
-				   OCFS2_XATTR_BLOCK_UPDATE_CREDITS);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		mlog_errno(ret);
-		goto out;
-	}
-	ret = ocfs2_journal_access(handle, inode, xs->xattr_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = vb->vb_access(handle, inode, vb->vb_bh,
+			    OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		goto out;
 	}
 
 	xs->here->xe_name_offset = cpu_to_le16(offs);
@@ -1028,11 +1303,9 @@
 		ocfs2_xattr_set_local(xs->here, 0);
 	ocfs2_xattr_hash_entry(inode, xs->header, xs->here);
 
-	ret = ocfs2_journal_dirty(handle, xs->xattr_bh);
+	ret = ocfs2_journal_dirty(handle, vb->vb_bh);
 	if (ret < 0)
 		mlog_errno(ret);
-out_commit:
-	ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
 out:
 	return ret;
 }
@@ -1045,6 +1318,8 @@
 static int ocfs2_xattr_set_value_outside(struct inode *inode,
 					 struct ocfs2_xattr_info *xi,
 					 struct ocfs2_xattr_search *xs,
+					 struct ocfs2_xattr_set_ctxt *ctxt,
+					 struct ocfs2_xattr_value_buf *vb,
 					 size_t offs)
 {
 	size_t name_len = strlen(xi->name);
@@ -1062,20 +1337,20 @@
 	xv->xr_list.l_tree_depth = 0;
 	xv->xr_list.l_count = cpu_to_le16(1);
 	xv->xr_list.l_next_free_rec = 0;
+	vb->vb_xv = xv;
 
-	ret = ocfs2_xattr_value_truncate(inode, xs->xattr_bh, xv,
-					 xi->value_len);
+	ret = ocfs2_xattr_value_truncate(inode, vb, xi->value_len, ctxt);
 	if (ret < 0) {
 		mlog_errno(ret);
 		return ret;
 	}
-	ret = __ocfs2_xattr_set_value_outside(inode, xv, xi->value,
-					      xi->value_len);
+	ret = ocfs2_xattr_update_entry(inode, ctxt->handle, xi, xs, vb, offs);
 	if (ret < 0) {
 		mlog_errno(ret);
 		return ret;
 	}
-	ret = ocfs2_xattr_update_entry(inode, xi, xs, offs);
+	ret = __ocfs2_xattr_set_value_outside(inode, ctxt->handle, vb->vb_xv,
+					      xi->value, xi->value_len);
 	if (ret < 0)
 		mlog_errno(ret);
 
@@ -1195,6 +1470,7 @@
 static int ocfs2_xattr_set_entry(struct inode *inode,
 				 struct ocfs2_xattr_info *xi,
 				 struct ocfs2_xattr_search *xs,
+				 struct ocfs2_xattr_set_ctxt *ctxt,
 				 int flag)
 {
 	struct ocfs2_xattr_entry *last;
@@ -1202,7 +1478,7 @@
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;
 	size_t min_offs = xs->end - xs->base, name_len = strlen(xi->name);
 	size_t size_l = 0;
-	handle_t *handle = NULL;
+	handle_t *handle = ctxt->handle;
 	int free, i, ret;
 	struct ocfs2_xattr_info xi_l = {
 		.name_index = xi->name_index,
@@ -1210,6 +1486,16 @@
 		.value = xi->value,
 		.value_len = xi->value_len,
 	};
+	struct ocfs2_xattr_value_buf vb = {
+		.vb_bh = xs->xattr_bh,
+		.vb_access = ocfs2_journal_access_di,
+	};
+
+	if (!(flag & OCFS2_INLINE_XATTR_FL)) {
+		BUG_ON(xs->xattr_bh == xs->inode_bh);
+		vb.vb_access = ocfs2_journal_access_xb;
+	} else
+		BUG_ON(xs->xattr_bh != xs->inode_bh);
 
 	/* Compute min_offs, last and free space. */
 	last = xs->header->xh_entries;
@@ -1265,15 +1551,14 @@
 		if (ocfs2_xattr_is_local(xs->here) && size == size_l) {
 			/* Replace existing local xattr with tree root */
 			ret = ocfs2_xattr_set_value_outside(inode, xi, xs,
-							    offs);
+							    ctxt, &vb, offs);
 			if (ret < 0)
 				mlog_errno(ret);
 			goto out;
 		} else if (!ocfs2_xattr_is_local(xs->here)) {
 			/* For existing xattr which has value outside */
-			struct ocfs2_xattr_value_root *xv = NULL;
-			xv = (struct ocfs2_xattr_value_root *)(val +
-				OCFS2_XATTR_SIZE(name_len));
+			vb.vb_xv = (struct ocfs2_xattr_value_root *)
+				(val + OCFS2_XATTR_SIZE(name_len));
 
 			if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
 				/*
@@ -1282,27 +1567,30 @@
 				 * then set new value with set_value_outside().
 				 */
 				ret = ocfs2_xattr_value_truncate(inode,
-								 xs->xattr_bh,
-								 xv,
-								 xi->value_len);
-				if (ret < 0) {
-					mlog_errno(ret);
-					goto out;
-				}
-
-				ret = __ocfs2_xattr_set_value_outside(inode,
-								xv,
-								xi->value,
-								xi->value_len);
+								 &vb,
+								 xi->value_len,
+								 ctxt);
 				if (ret < 0) {
 					mlog_errno(ret);
 					goto out;
 				}
 
 				ret = ocfs2_xattr_update_entry(inode,
+							       handle,
 							       xi,
 							       xs,
+							       &vb,
 							       offs);
+				if (ret < 0) {
+					mlog_errno(ret);
+					goto out;
+				}
+
+				ret = __ocfs2_xattr_set_value_outside(inode,
+								handle,
+								vb.vb_xv,
+								xi->value,
+								xi->value_len);
 				if (ret < 0)
 					mlog_errno(ret);
 				goto out;
@@ -1312,44 +1600,28 @@
 				 * just trucate old value to zero.
 				 */
 				 ret = ocfs2_xattr_value_truncate(inode,
-								 xs->xattr_bh,
-								 xv,
-								 0);
+								  &vb,
+								  0,
+								  ctxt);
 				if (ret < 0)
 					mlog_errno(ret);
 			}
 		}
 	}
 
-	handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)),
-				   OCFS2_INODE_UPDATE_CREDITS);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
+	ret = ocfs2_journal_access_di(handle, inode, xs->inode_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
+	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	ret = ocfs2_journal_access(handle, inode, xs->inode_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
-	if (ret) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
-
 	if (!(flag & OCFS2_INLINE_XATTR_FL)) {
-		/* set extended attribute in external block. */
-		ret = ocfs2_extend_trans(handle,
-					 OCFS2_INODE_UPDATE_CREDITS +
-					 OCFS2_XATTR_BLOCK_UPDATE_CREDITS);
+		ret = vb.vb_access(handle, inode, vb.vb_bh,
+				   OCFS2_JOURNAL_ACCESS_WRITE);
 		if (ret) {
 			mlog_errno(ret);
-			goto out_commit;
-		}
-		ret = ocfs2_journal_access(handle, inode, xs->xattr_bh,
-					   OCFS2_JOURNAL_ACCESS_WRITE);
-		if (ret) {
-			mlog_errno(ret);
-			goto out_commit;
+			goto out;
 		}
 	}
 
@@ -1363,7 +1635,7 @@
 		ret = ocfs2_journal_dirty(handle, xs->xattr_bh);
 		if (ret < 0) {
 			mlog_errno(ret);
-			goto out_commit;
+			goto out;
 		}
 	}
 
@@ -1391,25 +1663,19 @@
 	oi->ip_dyn_features |= flag;
 	di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features);
 	spin_unlock(&oi->ip_lock);
-	/* Update inode ctime */
-	inode->i_ctime = CURRENT_TIME;
-	di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
-	di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
 
 	ret = ocfs2_journal_dirty(handle, xs->inode_bh);
 	if (ret < 0)
 		mlog_errno(ret);
 
-out_commit:
-	ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
-
 	if (!ret && xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
 		/*
 		 * Set value outside in B tree.
 		 * This is the second step for value size > INLINE_SIZE.
 		 */
 		size_t offs = le16_to_cpu(xs->here->xe_name_offset);
-		ret = ocfs2_xattr_set_value_outside(inode, xi, xs, offs);
+		ret = ocfs2_xattr_set_value_outside(inode, xi, xs, ctxt,
+						    &vb, offs);
 		if (ret < 0) {
 			int ret2;
 
@@ -1418,41 +1684,56 @@
 			 * If set value outside failed, we have to clean
 			 * the junk tree root we have already set in local.
 			 */
-			ret2 = ocfs2_xattr_cleanup(inode, xi, xs, offs);
+			ret2 = ocfs2_xattr_cleanup(inode, ctxt->handle,
+						   xi, xs, &vb, offs);
 			if (ret2 < 0)
 				mlog_errno(ret2);
 		}
 	}
 out:
 	return ret;
-
 }
 
 static int ocfs2_remove_value_outside(struct inode*inode,
-				      struct buffer_head *bh,
+				      struct ocfs2_xattr_value_buf *vb,
 				      struct ocfs2_xattr_header *header)
 {
 	int ret = 0, i;
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, };
+
+	ocfs2_init_dealloc_ctxt(&ctxt.dealloc);
+
+	ctxt.handle = ocfs2_start_trans(osb,
+					ocfs2_remove_extent_credits(osb->sb));
+	if (IS_ERR(ctxt.handle)) {
+		ret = PTR_ERR(ctxt.handle);
+		mlog_errno(ret);
+		goto out;
+	}
 
 	for (i = 0; i < le16_to_cpu(header->xh_count); i++) {
 		struct ocfs2_xattr_entry *entry = &header->xh_entries[i];
 
 		if (!ocfs2_xattr_is_local(entry)) {
-			struct ocfs2_xattr_value_root *xv;
 			void *val;
 
 			val = (void *)header +
 				le16_to_cpu(entry->xe_name_offset);
-			xv = (struct ocfs2_xattr_value_root *)
+			vb->vb_xv = (struct ocfs2_xattr_value_root *)
 				(val + OCFS2_XATTR_SIZE(entry->xe_name_len));
-			ret = ocfs2_xattr_value_truncate(inode, bh, xv, 0);
+			ret = ocfs2_xattr_value_truncate(inode, vb, 0, &ctxt);
 			if (ret < 0) {
 				mlog_errno(ret);
-				return ret;
+				break;
 			}
 		}
 	}
 
+	ocfs2_commit_trans(osb, ctxt.handle);
+	ocfs2_schedule_truncate_log_flush(osb, 1);
+	ocfs2_run_deallocs(osb, &ctxt.dealloc);
+out:
 	return ret;
 }
 
@@ -1463,12 +1744,16 @@
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
 	struct ocfs2_xattr_header *header;
 	int ret;
+	struct ocfs2_xattr_value_buf vb = {
+		.vb_bh = di_bh,
+		.vb_access = ocfs2_journal_access_di,
+	};
 
 	header = (struct ocfs2_xattr_header *)
 		 ((void *)di + inode->i_sb->s_blocksize -
 		 le16_to_cpu(di->i_xattr_inline_size));
 
-	ret = ocfs2_remove_value_outside(inode, di_bh, header);
+	ret = ocfs2_remove_value_outside(inode, &vb, header);
 
 	return ret;
 }
@@ -1478,11 +1763,15 @@
 {
 	struct ocfs2_xattr_block *xb;
 	int ret = 0;
+	struct ocfs2_xattr_value_buf vb = {
+		.vb_bh = blk_bh,
+		.vb_access = ocfs2_journal_access_xb,
+	};
 
 	xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
 	if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) {
 		struct ocfs2_xattr_header *header = &(xb->xb_attrs.xb_header);
-		ret = ocfs2_remove_value_outside(inode, blk_bh, header);
+		ret = ocfs2_remove_value_outside(inode, &vb, header);
 	} else
 		ret = ocfs2_delete_xattr_index_block(inode, blk_bh);
 
@@ -1502,24 +1791,19 @@
 	u64 blk, bg_blkno;
 	u16 bit;
 
-	ret = ocfs2_read_block(inode, block, &blk_bh);
+	ret = ocfs2_read_xattr_block(inode, block, &blk_bh);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
-	if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) {
-		ret = -EIO;
-		goto out;
-	}
-
 	ret = ocfs2_xattr_block_remove(inode, blk_bh);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
 	}
 
+	xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
 	blk = le64_to_cpu(xb->xb_blkno);
 	bit = le16_to_cpu(xb->xb_suballoc_bit);
 	bg_blkno = ocfs2_which_suballoc_group(blk, bit);
@@ -1606,8 +1890,8 @@
 		mlog_errno(ret);
 		goto out;
 	}
-	ret = ocfs2_journal_access(handle, inode, di_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_di(handle, inode, di_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out_commit;
@@ -1714,7 +1998,8 @@
  */
 static int ocfs2_xattr_ibody_set(struct inode *inode,
 				 struct ocfs2_xattr_info *xi,
-				 struct ocfs2_xattr_search *xs)
+				 struct ocfs2_xattr_search *xs,
+				 struct ocfs2_xattr_set_ctxt *ctxt)
 {
 	struct ocfs2_inode_info *oi = OCFS2_I(inode);
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;
@@ -1731,7 +2016,7 @@
 		}
 	}
 
-	ret = ocfs2_xattr_set_entry(inode, xi, xs,
+	ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt,
 				(OCFS2_INLINE_XATTR_FL | OCFS2_HAS_XATTR_FL));
 out:
 	up_write(&oi->ip_alloc_sem);
@@ -1758,19 +2043,15 @@
 	if (!di->i_xattr_loc)
 		return ret;
 
-	ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), &blk_bh);
+	ret = ocfs2_read_xattr_block(inode, le64_to_cpu(di->i_xattr_loc),
+				     &blk_bh);
 	if (ret < 0) {
 		mlog_errno(ret);
 		return ret;
 	}
 
-	xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
-	if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) {
-		ret = -EIO;
-		goto cleanup;
-	}
-
 	xs->xattr_bh = blk_bh;
+	xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
 
 	if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) {
 		xs->header = &xb->xb_attrs.xb_header;
@@ -1804,13 +2085,13 @@
  */
 static int ocfs2_xattr_block_set(struct inode *inode,
 				 struct ocfs2_xattr_info *xi,
-				 struct ocfs2_xattr_search *xs)
+				 struct ocfs2_xattr_search *xs,
+				 struct ocfs2_xattr_set_ctxt *ctxt)
 {
 	struct buffer_head *new_bh = NULL;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct ocfs2_dinode *di =  (struct ocfs2_dinode *)xs->inode_bh->b_data;
-	struct ocfs2_alloc_context *meta_ac = NULL;
-	handle_t *handle = NULL;
+	handle_t *handle = ctxt->handle;
 	struct ocfs2_xattr_block *xblk = NULL;
 	u16 suballoc_bit_start;
 	u32 num_got;
@@ -1818,45 +2099,29 @@
 	int ret;
 
 	if (!xs->xattr_bh) {
-		/*
-		 * Alloc one external block for extended attribute
-		 * outside of inode.
-		 */
-		ret = ocfs2_reserve_new_metadata_blocks(osb, 1, &meta_ac);
+		ret = ocfs2_journal_access_di(handle, inode, xs->inode_bh,
+					      OCFS2_JOURNAL_ACCESS_CREATE);
 		if (ret < 0) {
 			mlog_errno(ret);
-			goto out;
-		}
-		handle = ocfs2_start_trans(osb,
-					   OCFS2_XATTR_BLOCK_CREATE_CREDITS);
-		if (IS_ERR(handle)) {
-			ret = PTR_ERR(handle);
-			mlog_errno(ret);
-			goto out;
-		}
-		ret = ocfs2_journal_access(handle, inode, xs->inode_bh,
-					   OCFS2_JOURNAL_ACCESS_CREATE);
-		if (ret < 0) {
-			mlog_errno(ret);
-			goto out_commit;
+			goto end;
 		}
 
-		ret = ocfs2_claim_metadata(osb, handle, meta_ac, 1,
+		ret = ocfs2_claim_metadata(osb, handle, ctxt->meta_ac, 1,
 					   &suballoc_bit_start, &num_got,
 					   &first_blkno);
 		if (ret < 0) {
 			mlog_errno(ret);
-			goto out_commit;
+			goto end;
 		}
 
 		new_bh = sb_getblk(inode->i_sb, first_blkno);
 		ocfs2_set_new_buffer_uptodate(inode, new_bh);
 
-		ret = ocfs2_journal_access(handle, inode, new_bh,
-					   OCFS2_JOURNAL_ACCESS_CREATE);
+		ret = ocfs2_journal_access_xb(handle, inode, new_bh,
+					      OCFS2_JOURNAL_ACCESS_CREATE);
 		if (ret < 0) {
 			mlog_errno(ret);
-			goto out_commit;
+			goto end;
 		}
 
 		/* Initialize ocfs2_xattr_block */
@@ -1874,44 +2139,555 @@
 		xs->end = (void *)xblk + inode->i_sb->s_blocksize;
 		xs->here = xs->header->xh_entries;
 
-
 		ret = ocfs2_journal_dirty(handle, new_bh);
 		if (ret < 0) {
 			mlog_errno(ret);
-			goto out_commit;
+			goto end;
 		}
 		di->i_xattr_loc = cpu_to_le64(first_blkno);
-		ret = ocfs2_journal_dirty(handle, xs->inode_bh);
-		if (ret < 0)
-			mlog_errno(ret);
-out_commit:
-		ocfs2_commit_trans(osb, handle);
-out:
-		if (meta_ac)
-			ocfs2_free_alloc_context(meta_ac);
-		if (ret < 0)
-			return ret;
+		ocfs2_journal_dirty(handle, xs->inode_bh);
 	} else
 		xblk = (struct ocfs2_xattr_block *)xs->xattr_bh->b_data;
 
 	if (!(le16_to_cpu(xblk->xb_flags) & OCFS2_XATTR_INDEXED)) {
 		/* Set extended attribute into external block */
-		ret = ocfs2_xattr_set_entry(inode, xi, xs, OCFS2_HAS_XATTR_FL);
+		ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt,
+					    OCFS2_HAS_XATTR_FL);
 		if (!ret || ret != -ENOSPC)
 			goto end;
 
-		ret = ocfs2_xattr_create_index_block(inode, xs);
+		ret = ocfs2_xattr_create_index_block(inode, xs, ctxt);
 		if (ret)
 			goto end;
 	}
 
-	ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs);
+	ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs, ctxt);
 
 end:
 
 	return ret;
 }
 
+/* Check whether the new xattr can be inserted into the inode. */
+static int ocfs2_xattr_can_be_in_inode(struct inode *inode,
+				       struct ocfs2_xattr_info *xi,
+				       struct ocfs2_xattr_search *xs)
+{
+	u64 value_size;
+	struct ocfs2_xattr_entry *last;
+	int free, i;
+	size_t min_offs = xs->end - xs->base;
+
+	if (!xs->header)
+		return 0;
+
+	last = xs->header->xh_entries;
+
+	for (i = 0; i < le16_to_cpu(xs->header->xh_count); i++) {
+		size_t offs = le16_to_cpu(last->xe_name_offset);
+		if (offs < min_offs)
+			min_offs = offs;
+		last += 1;
+	}
+
+	free = min_offs - ((void *)last - xs->base) - sizeof(__u32);
+	if (free < 0)
+		return 0;
+
+	BUG_ON(!xs->not_found);
+
+	if (xi->value_len > OCFS2_XATTR_INLINE_SIZE)
+		value_size = OCFS2_XATTR_ROOT_SIZE;
+	else
+		value_size = OCFS2_XATTR_SIZE(xi->value_len);
+
+	if (free >= sizeof(struct ocfs2_xattr_entry) +
+		   OCFS2_XATTR_SIZE(strlen(xi->name)) + value_size)
+		return 1;
+
+	return 0;
+}
+
+static int ocfs2_calc_xattr_set_need(struct inode *inode,
+				     struct ocfs2_dinode *di,
+				     struct ocfs2_xattr_info *xi,
+				     struct ocfs2_xattr_search *xis,
+				     struct ocfs2_xattr_search *xbs,
+				     int *clusters_need,
+				     int *meta_need,
+				     int *credits_need)
+{
+	int ret = 0, old_in_xb = 0;
+	int clusters_add = 0, meta_add = 0, credits = 0;
+	struct buffer_head *bh = NULL;
+	struct ocfs2_xattr_block *xb = NULL;
+	struct ocfs2_xattr_entry *xe = NULL;
+	struct ocfs2_xattr_value_root *xv = NULL;
+	char *base = NULL;
+	int name_offset, name_len = 0;
+	u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb,
+						    xi->value_len);
+	u64 value_size;
+
+	/*
+	 * Calculate the clusters we need to write.
+	 * No matter whether we replace an old one or add a new one,
+	 * we need this for writing.
+	 */
+	if (xi->value_len > OCFS2_XATTR_INLINE_SIZE)
+		credits += new_clusters *
+			   ocfs2_clusters_to_blocks(inode->i_sb, 1);
+
+	if (xis->not_found && xbs->not_found) {
+		credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+
+		if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
+			clusters_add += new_clusters;
+			credits += ocfs2_calc_extend_credits(inode->i_sb,
+							&def_xv.xv.xr_list,
+							new_clusters);
+		}
+
+		goto meta_guess;
+	}
+
+	if (!xis->not_found) {
+		xe = xis->here;
+		name_offset = le16_to_cpu(xe->xe_name_offset);
+		name_len = OCFS2_XATTR_SIZE(xe->xe_name_len);
+		base = xis->base;
+		credits += OCFS2_INODE_UPDATE_CREDITS;
+	} else {
+		int i, block_off = 0;
+		xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data;
+		xe = xbs->here;
+		name_offset = le16_to_cpu(xe->xe_name_offset);
+		name_len = OCFS2_XATTR_SIZE(xe->xe_name_len);
+		i = xbs->here - xbs->header->xh_entries;
+		old_in_xb = 1;
+
+		if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) {
+			ret = ocfs2_xattr_bucket_get_name_value(inode,
+							bucket_xh(xbs->bucket),
+							i, &block_off,
+							&name_offset);
+			base = bucket_block(xbs->bucket, block_off);
+			credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+		} else {
+			base = xbs->base;
+			credits += OCFS2_XATTR_BLOCK_UPDATE_CREDITS;
+		}
+	}
+
+	/*
+	 * delete a xattr doesn't need metadata and cluster allocation.
+	 * so just calculate the credits and return.
+	 *
+	 * The credits for removing the value tree will be extended
+	 * by ocfs2_remove_extent itself.
+	 */
+	if (!xi->value) {
+		if (!ocfs2_xattr_is_local(xe))
+			credits += ocfs2_remove_extent_credits(inode->i_sb);
+
+		goto out;
+	}
+
+	/* do cluster allocation guess first. */
+	value_size = le64_to_cpu(xe->xe_value_size);
+
+	if (old_in_xb) {
+		/*
+		 * In xattr set, we always try to set the xe in inode first,
+		 * so if it can be inserted into inode successfully, the old
+		 * one will be removed from the xattr block, and this xattr
+		 * will be inserted into inode as a new xattr in inode.
+		 */
+		if (ocfs2_xattr_can_be_in_inode(inode, xi, xis)) {
+			clusters_add += new_clusters;
+			credits += ocfs2_remove_extent_credits(inode->i_sb) +
+				    OCFS2_INODE_UPDATE_CREDITS;
+			if (!ocfs2_xattr_is_local(xe))
+				credits += ocfs2_calc_extend_credits(
+							inode->i_sb,
+							&def_xv.xv.xr_list,
+							new_clusters);
+			goto out;
+		}
+	}
+
+	if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
+		/* the new values will be stored outside. */
+		u32 old_clusters = 0;
+
+		if (!ocfs2_xattr_is_local(xe)) {
+			old_clusters =	ocfs2_clusters_for_bytes(inode->i_sb,
+								 value_size);
+			xv = (struct ocfs2_xattr_value_root *)
+			     (base + name_offset + name_len);
+			value_size = OCFS2_XATTR_ROOT_SIZE;
+		} else
+			xv = &def_xv.xv;
+
+		if (old_clusters >= new_clusters) {
+			credits += ocfs2_remove_extent_credits(inode->i_sb);
+			goto out;
+		} else {
+			meta_add += ocfs2_extend_meta_needed(&xv->xr_list);
+			clusters_add += new_clusters - old_clusters;
+			credits += ocfs2_calc_extend_credits(inode->i_sb,
+							     &xv->xr_list,
+							     new_clusters -
+							     old_clusters);
+			if (value_size >= OCFS2_XATTR_ROOT_SIZE)
+				goto out;
+		}
+	} else {
+		/*
+		 * Now the new value will be stored inside. So if the new
+		 * value is smaller than the size of value root or the old
+		 * value, we don't need any allocation, otherwise we have
+		 * to guess metadata allocation.
+		 */
+		if ((ocfs2_xattr_is_local(xe) && value_size >= xi->value_len) ||
+		    (!ocfs2_xattr_is_local(xe) &&
+		     OCFS2_XATTR_ROOT_SIZE >= xi->value_len))
+			goto out;
+	}
+
+meta_guess:
+	/* calculate metadata allocation. */
+	if (di->i_xattr_loc) {
+		if (!xbs->xattr_bh) {
+			ret = ocfs2_read_xattr_block(inode,
+						     le64_to_cpu(di->i_xattr_loc),
+						     &bh);
+			if (ret) {
+				mlog_errno(ret);
+				goto out;
+			}
+
+			xb = (struct ocfs2_xattr_block *)bh->b_data;
+		} else
+			xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data;
+
+		/*
+		 * If there is already an xattr tree, good, we can calculate
+		 * like other b-trees. Otherwise we may have the chance of
+		 * create a tree, the credit calculation is borrowed from
+		 * ocfs2_calc_extend_credits with root_el = NULL. And the
+		 * new tree will be cluster based, so no meta is needed.
+		 */
+		if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) {
+			struct ocfs2_extent_list *el =
+				 &xb->xb_attrs.xb_root.xt_list;
+			meta_add += ocfs2_extend_meta_needed(el);
+			credits += ocfs2_calc_extend_credits(inode->i_sb,
+							     el, 1);
+		} else
+			credits += OCFS2_SUBALLOC_ALLOC + 1;
+
+		/*
+		 * This cluster will be used either for new bucket or for
+		 * new xattr block.
+		 * If the cluster size is the same as the bucket size, one
+		 * more is needed since we may need to extend the bucket
+		 * also.
+		 */
+		clusters_add += 1;
+		credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+		if (OCFS2_XATTR_BUCKET_SIZE ==
+			OCFS2_SB(inode->i_sb)->s_clustersize) {
+			credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+			clusters_add += 1;
+		}
+	} else {
+		meta_add += 1;
+		credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS;
+	}
+out:
+	if (clusters_need)
+		*clusters_need = clusters_add;
+	if (meta_need)
+		*meta_need = meta_add;
+	if (credits_need)
+		*credits_need = credits;
+	brelse(bh);
+	return ret;
+}
+
+static int ocfs2_init_xattr_set_ctxt(struct inode *inode,
+				     struct ocfs2_dinode *di,
+				     struct ocfs2_xattr_info *xi,
+				     struct ocfs2_xattr_search *xis,
+				     struct ocfs2_xattr_search *xbs,
+				     struct ocfs2_xattr_set_ctxt *ctxt,
+				     int *credits)
+{
+	int clusters_add, meta_add, ret;
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+
+	memset(ctxt, 0, sizeof(struct ocfs2_xattr_set_ctxt));
+
+	ocfs2_init_dealloc_ctxt(&ctxt->dealloc);
+
+	ret = ocfs2_calc_xattr_set_need(inode, di, xi, xis, xbs,
+					&clusters_add, &meta_add, credits);
+	if (ret) {
+		mlog_errno(ret);
+		return ret;
+	}
+
+	mlog(0, "Set xattr %s, reserve meta blocks = %d, clusters = %d, "
+	     "credits = %d\n", xi->name, meta_add, clusters_add, *credits);
+
+	if (meta_add) {
+		ret = ocfs2_reserve_new_metadata_blocks(osb, meta_add,
+							&ctxt->meta_ac);
+		if (ret) {
+			mlog_errno(ret);
+			goto out;
+		}
+	}
+
+	if (clusters_add) {
+		ret = ocfs2_reserve_clusters(osb, clusters_add, &ctxt->data_ac);
+		if (ret)
+			mlog_errno(ret);
+	}
+out:
+	if (ret) {
+		if (ctxt->meta_ac) {
+			ocfs2_free_alloc_context(ctxt->meta_ac);
+			ctxt->meta_ac = NULL;
+		}
+
+		/*
+		 * We cannot have an error and a non null ctxt->data_ac.
+		 */
+	}
+
+	return ret;
+}
+
+static int __ocfs2_xattr_set_handle(struct inode *inode,
+				    struct ocfs2_dinode *di,
+				    struct ocfs2_xattr_info *xi,
+				    struct ocfs2_xattr_search *xis,
+				    struct ocfs2_xattr_search *xbs,
+				    struct ocfs2_xattr_set_ctxt *ctxt)
+{
+	int ret = 0, credits, old_found;
+
+	if (!xi->value) {
+		/* Remove existing extended attribute */
+		if (!xis->not_found)
+			ret = ocfs2_xattr_ibody_set(inode, xi, xis, ctxt);
+		else if (!xbs->not_found)
+			ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt);
+	} else {
+		/* We always try to set extended attribute into inode first*/
+		ret = ocfs2_xattr_ibody_set(inode, xi, xis, ctxt);
+		if (!ret && !xbs->not_found) {
+			/*
+			 * If succeed and that extended attribute existing in
+			 * external block, then we will remove it.
+			 */
+			xi->value = NULL;
+			xi->value_len = 0;
+
+			old_found = xis->not_found;
+			xis->not_found = -ENODATA;
+			ret = ocfs2_calc_xattr_set_need(inode,
+							di,
+							xi,
+							xis,
+							xbs,
+							NULL,
+							NULL,
+							&credits);
+			xis->not_found = old_found;
+			if (ret) {
+				mlog_errno(ret);
+				goto out;
+			}
+
+			ret = ocfs2_extend_trans(ctxt->handle, credits +
+					ctxt->handle->h_buffer_credits);
+			if (ret) {
+				mlog_errno(ret);
+				goto out;
+			}
+			ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt);
+		} else if (ret == -ENOSPC) {
+			if (di->i_xattr_loc && !xbs->xattr_bh) {
+				ret = ocfs2_xattr_block_find(inode,
+							     xi->name_index,
+							     xi->name, xbs);
+				if (ret)
+					goto out;
+
+				old_found = xis->not_found;
+				xis->not_found = -ENODATA;
+				ret = ocfs2_calc_xattr_set_need(inode,
+								di,
+								xi,
+								xis,
+								xbs,
+								NULL,
+								NULL,
+								&credits);
+				xis->not_found = old_found;
+				if (ret) {
+					mlog_errno(ret);
+					goto out;
+				}
+
+				ret = ocfs2_extend_trans(ctxt->handle, credits +
+					ctxt->handle->h_buffer_credits);
+				if (ret) {
+					mlog_errno(ret);
+					goto out;
+				}
+			}
+			/*
+			 * If no space in inode, we will set extended attribute
+			 * into external block.
+			 */
+			ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt);
+			if (ret)
+				goto out;
+			if (!xis->not_found) {
+				/*
+				 * If succeed and that extended attribute
+				 * existing in inode, we will remove it.
+				 */
+				xi->value = NULL;
+				xi->value_len = 0;
+				xbs->not_found = -ENODATA;
+				ret = ocfs2_calc_xattr_set_need(inode,
+								di,
+								xi,
+								xis,
+								xbs,
+								NULL,
+								NULL,
+								&credits);
+				if (ret) {
+					mlog_errno(ret);
+					goto out;
+				}
+
+				ret = ocfs2_extend_trans(ctxt->handle, credits +
+						ctxt->handle->h_buffer_credits);
+				if (ret) {
+					mlog_errno(ret);
+					goto out;
+				}
+				ret = ocfs2_xattr_ibody_set(inode, xi,
+							    xis, ctxt);
+			}
+		}
+	}
+
+	if (!ret) {
+		/* Update inode ctime. */
+		ret = ocfs2_journal_access(ctxt->handle, inode, xis->inode_bh,
+					   OCFS2_JOURNAL_ACCESS_WRITE);
+		if (ret) {
+			mlog_errno(ret);
+			goto out;
+		}
+
+		inode->i_ctime = CURRENT_TIME;
+		di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
+		di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
+		ocfs2_journal_dirty(ctxt->handle, xis->inode_bh);
+	}
+out:
+	return ret;
+}
+
+/*
+ * This function only called duing creating inode
+ * for init security/acl xattrs of the new inode.
+ * All transanction credits have been reserved in mknod.
+ */
+int ocfs2_xattr_set_handle(handle_t *handle,
+			   struct inode *inode,
+			   struct buffer_head *di_bh,
+			   int name_index,
+			   const char *name,
+			   const void *value,
+			   size_t value_len,
+			   int flags,
+			   struct ocfs2_alloc_context *meta_ac,
+			   struct ocfs2_alloc_context *data_ac)
+{
+	struct ocfs2_dinode *di;
+	int ret;
+
+	struct ocfs2_xattr_info xi = {
+		.name_index = name_index,
+		.name = name,
+		.value = value,
+		.value_len = value_len,
+	};
+
+	struct ocfs2_xattr_search xis = {
+		.not_found = -ENODATA,
+	};
+
+	struct ocfs2_xattr_search xbs = {
+		.not_found = -ENODATA,
+	};
+
+	struct ocfs2_xattr_set_ctxt ctxt = {
+		.handle = handle,
+		.meta_ac = meta_ac,
+		.data_ac = data_ac,
+	};
+
+	if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))
+		return -EOPNOTSUPP;
+
+	/*
+	 * In extreme situation, may need xattr bucket when
+	 * block size is too small. And we have already reserved
+	 * the credits for bucket in mknod.
+	 */
+	if (inode->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE) {
+		xbs.bucket = ocfs2_xattr_bucket_new(inode);
+		if (!xbs.bucket) {
+			mlog_errno(-ENOMEM);
+			return -ENOMEM;
+		}
+	}
+
+	xis.inode_bh = xbs.inode_bh = di_bh;
+	di = (struct ocfs2_dinode *)di_bh->b_data;
+
+	down_write(&OCFS2_I(inode)->ip_xattr_sem);
+
+	ret = ocfs2_xattr_ibody_find(inode, name_index, name, &xis);
+	if (ret)
+		goto cleanup;
+	if (xis.not_found) {
+		ret = ocfs2_xattr_block_find(inode, name_index, name, &xbs);
+		if (ret)
+			goto cleanup;
+	}
+
+	ret = __ocfs2_xattr_set_handle(inode, di, &xi, &xis, &xbs, &ctxt);
+
+cleanup:
+	up_write(&OCFS2_I(inode)->ip_xattr_sem);
+	brelse(xbs.xattr_bh);
+	ocfs2_xattr_bucket_free(xbs.bucket);
+
+	return ret;
+}
+
 /*
  * ocfs2_xattr_set()
  *
@@ -1928,8 +2704,10 @@
 {
 	struct buffer_head *di_bh = NULL;
 	struct ocfs2_dinode *di;
-	int ret;
-	u16 i, blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+	int ret, credits;
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	struct inode *tl_inode = osb->osb_tl_inode;
+	struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, };
 
 	struct ocfs2_xattr_info xi = {
 		.name_index = name_index,
@@ -1949,10 +2727,20 @@
 	if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))
 		return -EOPNOTSUPP;
 
+	/*
+	 * Only xbs will be used on indexed trees.  xis doesn't need a
+	 * bucket.
+	 */
+	xbs.bucket = ocfs2_xattr_bucket_new(inode);
+	if (!xbs.bucket) {
+		mlog_errno(-ENOMEM);
+		return -ENOMEM;
+	}
+
 	ret = ocfs2_inode_lock(inode, &di_bh, 1);
 	if (ret < 0) {
 		mlog_errno(ret);
-		return ret;
+		goto cleanup_nolock;
 	}
 	xis.inode_bh = xbs.inode_bh = di_bh;
 	di = (struct ocfs2_dinode *)di_bh->b_data;
@@ -1984,55 +2772,53 @@
 			goto cleanup;
 	}
 
-	if (!value) {
-		/* Remove existing extended attribute */
-		if (!xis.not_found)
-			ret = ocfs2_xattr_ibody_set(inode, &xi, &xis);
-		else if (!xbs.not_found)
-			ret = ocfs2_xattr_block_set(inode, &xi, &xbs);
-	} else {
-		/* We always try to set extended attribute into inode first*/
-		ret = ocfs2_xattr_ibody_set(inode, &xi, &xis);
-		if (!ret && !xbs.not_found) {
-			/*
-			 * If succeed and that extended attribute existing in
-			 * external block, then we will remove it.
-			 */
-			xi.value = NULL;
-			xi.value_len = 0;
-			ret = ocfs2_xattr_block_set(inode, &xi, &xbs);
-		} else if (ret == -ENOSPC) {
-			if (di->i_xattr_loc && !xbs.xattr_bh) {
-				ret = ocfs2_xattr_block_find(inode, name_index,
-							     name, &xbs);
-				if (ret)
-					goto cleanup;
-			}
-			/*
-			 * If no space in inode, we will set extended attribute
-			 * into external block.
-			 */
-			ret = ocfs2_xattr_block_set(inode, &xi, &xbs);
-			if (ret)
-				goto cleanup;
-			if (!xis.not_found) {
-				/*
-				 * If succeed and that extended attribute
-				 * existing in inode, we will remove it.
-				 */
-				xi.value = NULL;
-				xi.value_len = 0;
-				ret = ocfs2_xattr_ibody_set(inode, &xi, &xis);
-			}
+
+	mutex_lock(&tl_inode->i_mutex);
+
+	if (ocfs2_truncate_log_needs_flush(osb)) {
+		ret = __ocfs2_flush_truncate_log(osb);
+		if (ret < 0) {
+			mutex_unlock(&tl_inode->i_mutex);
+			mlog_errno(ret);
+			goto cleanup;
 		}
 	}
+	mutex_unlock(&tl_inode->i_mutex);
+
+	ret = ocfs2_init_xattr_set_ctxt(inode, di, &xi, &xis,
+					&xbs, &ctxt, &credits);
+	if (ret) {
+		mlog_errno(ret);
+		goto cleanup;
+	}
+
+	/* we need to update inode's ctime field, so add credit for it. */
+	credits += OCFS2_INODE_UPDATE_CREDITS;
+	ctxt.handle = ocfs2_start_trans(osb, credits);
+	if (IS_ERR(ctxt.handle)) {
+		ret = PTR_ERR(ctxt.handle);
+		mlog_errno(ret);
+		goto cleanup;
+	}
+
+	ret = __ocfs2_xattr_set_handle(inode, di, &xi, &xis, &xbs, &ctxt);
+
+	ocfs2_commit_trans(osb, ctxt.handle);
+
+	if (ctxt.data_ac)
+		ocfs2_free_alloc_context(ctxt.data_ac);
+	if (ctxt.meta_ac)
+		ocfs2_free_alloc_context(ctxt.meta_ac);
+	if (ocfs2_dealloc_has_cluster(&ctxt.dealloc))
+		ocfs2_schedule_truncate_log_flush(osb, 1);
+	ocfs2_run_deallocs(osb, &ctxt.dealloc);
 cleanup:
 	up_write(&OCFS2_I(inode)->ip_xattr_sem);
 	ocfs2_inode_unlock(inode, 1);
+cleanup_nolock:
 	brelse(di_bh);
 	brelse(xbs.xattr_bh);
-	for (i = 0; i < blk_per_bucket; i++)
-		brelse(xbs.bucket.bhs[i]);
+	ocfs2_xattr_bucket_free(xbs.bucket);
 
 	return ret;
 }
@@ -2107,7 +2893,7 @@
 				void *para);
 
 static int ocfs2_find_xe_in_bucket(struct inode *inode,
-				   struct buffer_head *header_bh,
+				   struct ocfs2_xattr_bucket *bucket,
 				   int name_index,
 				   const char *name,
 				   u32 name_hash,
@@ -2115,11 +2901,9 @@
 				   int *found)
 {
 	int i, ret = 0, cmp = 1, block_off, new_offset;
-	struct ocfs2_xattr_header *xh =
-			(struct ocfs2_xattr_header *)header_bh->b_data;
+	struct ocfs2_xattr_header *xh = bucket_xh(bucket);
 	size_t name_len = strlen(name);
 	struct ocfs2_xattr_entry *xe = NULL;
-	struct buffer_head *name_bh = NULL;
 	char *xe_name;
 
 	/*
@@ -2150,19 +2934,9 @@
 			break;
 		}
 
-		ret = ocfs2_read_block(inode, header_bh->b_blocknr + block_off,
-				       &name_bh);
-		if (ret) {
-			mlog_errno(ret);
-			break;
-		}
-		xe_name = name_bh->b_data + new_offset;
 
-		cmp = memcmp(name, xe_name, name_len);
-		brelse(name_bh);
-		name_bh = NULL;
-
-		if (cmp == 0) {
+		xe_name = bucket_block(bucket, block_off) + new_offset;
+		if (!memcmp(name, xe_name, name_len)) {
 			*xe_index = i;
 			*found = 1;
 			ret = 0;
@@ -2192,39 +2966,42 @@
 				   struct ocfs2_xattr_search *xs)
 {
 	int ret, found = 0;
-	struct buffer_head *bh = NULL;
-	struct buffer_head *lower_bh = NULL;
 	struct ocfs2_xattr_header *xh = NULL;
 	struct ocfs2_xattr_entry *xe = NULL;
 	u16 index = 0;
 	u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
 	int low_bucket = 0, bucket, high_bucket;
+	struct ocfs2_xattr_bucket *search;
 	u32 last_hash;
-	u64 blkno;
+	u64 blkno, lower_blkno = 0;
 
-	ret = ocfs2_read_block(inode, p_blkno, &bh);
+	search = ocfs2_xattr_bucket_new(inode);
+	if (!search) {
+		ret = -ENOMEM;
+		mlog_errno(ret);
+		goto out;
+	}
+
+	ret = ocfs2_read_xattr_bucket(search, p_blkno);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	xh = (struct ocfs2_xattr_header *)bh->b_data;
+	xh = bucket_xh(search);
 	high_bucket = le16_to_cpu(xh->xh_num_buckets) - 1;
-
 	while (low_bucket <= high_bucket) {
-		brelse(bh);
-		bh = NULL;
+		ocfs2_xattr_bucket_relse(search);
+
 		bucket = (low_bucket + high_bucket) / 2;
-
 		blkno = p_blkno + bucket * blk_per_bucket;
-
-		ret = ocfs2_read_block(inode, blkno, &bh);
+		ret = ocfs2_read_xattr_bucket(search, blkno);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
 		}
 
-		xh = (struct ocfs2_xattr_header *)bh->b_data;
+		xh = bucket_xh(search);
 		xe = &xh->xh_entries[0];
 		if (name_hash < le32_to_cpu(xe->xe_name_hash)) {
 			high_bucket = bucket - 1;
@@ -2241,10 +3018,8 @@
 
 		last_hash = le32_to_cpu(xe->xe_name_hash);
 
-		/* record lower_bh which may be the insert place. */
-		brelse(lower_bh);
-		lower_bh = bh;
-		bh = NULL;
+		/* record lower_blkno which may be the insert place. */
+		lower_blkno = blkno;
 
 		if (name_hash > le32_to_cpu(xe->xe_name_hash)) {
 			low_bucket = bucket + 1;
@@ -2252,7 +3027,7 @@
 		}
 
 		/* the searched xattr should reside in this bucket if exists. */
-		ret = ocfs2_find_xe_in_bucket(inode, lower_bh,
+		ret = ocfs2_find_xe_in_bucket(inode, search,
 					      name_index, name, name_hash,
 					      &index, &found);
 		if (ret) {
@@ -2267,46 +3042,29 @@
 	 * When the xattr's hash value is in the gap of 2 buckets, we will
 	 * always set it to the previous bucket.
 	 */
-	if (!lower_bh) {
-		/*
-		 * We can't find any bucket whose first name_hash is less
-		 * than the find name_hash.
-		 */
-		BUG_ON(bh->b_blocknr != p_blkno);
-		lower_bh = bh;
-		bh = NULL;
-	}
-	xs->bucket.bhs[0] = lower_bh;
-	xs->bucket.xh = (struct ocfs2_xattr_header *)
-					xs->bucket.bhs[0]->b_data;
-	lower_bh = NULL;
+	if (!lower_blkno)
+		lower_blkno = p_blkno;
 
-	xs->header = xs->bucket.xh;
-	xs->base = xs->bucket.bhs[0]->b_data;
+	/* This should be in cache - we just read it during the search */
+	ret = ocfs2_read_xattr_bucket(xs->bucket, lower_blkno);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
+	}
+
+	xs->header = bucket_xh(xs->bucket);
+	xs->base = bucket_block(xs->bucket, 0);
 	xs->end = xs->base + inode->i_sb->s_blocksize;
 
 	if (found) {
-		/*
-		 * If we have found the xattr enty, read all the blocks in
-		 * this bucket.
-		 */
-		ret = ocfs2_read_blocks(inode, xs->bucket.bhs[0]->b_blocknr + 1,
-					blk_per_bucket - 1, &xs->bucket.bhs[1],
-					0);
-		if (ret) {
-			mlog_errno(ret);
-			goto out;
-		}
-
 		xs->here = &xs->header->xh_entries[index];
 		mlog(0, "find xattr %s in bucket %llu, entry = %u\n", name,
-		     (unsigned long long)xs->bucket.bhs[0]->b_blocknr, index);
+		     (unsigned long long)bucket_blkno(xs->bucket), index);
 	} else
 		ret = -ENODATA;
 
 out:
-	brelse(bh);
-	brelse(lower_bh);
+	ocfs2_xattr_bucket_free(search);
 	return ret;
 }
 
@@ -2357,53 +3115,50 @@
 				       xattr_bucket_func *func,
 				       void *para)
 {
-	int i, j, ret = 0;
-	int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+	int i, ret = 0;
 	u32 bpc = ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb));
 	u32 num_buckets = clusters * bpc;
-	struct ocfs2_xattr_bucket bucket;
+	struct ocfs2_xattr_bucket *bucket;
 
-	memset(&bucket, 0, sizeof(bucket));
+	bucket = ocfs2_xattr_bucket_new(inode);
+	if (!bucket) {
+		mlog_errno(-ENOMEM);
+		return -ENOMEM;
+	}
 
 	mlog(0, "iterating xattr buckets in %u clusters starting from %llu\n",
 	     clusters, (unsigned long long)blkno);
 
-	for (i = 0; i < num_buckets; i++, blkno += blk_per_bucket) {
-		ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket,
-					bucket.bhs, 0);
+	for (i = 0; i < num_buckets; i++, blkno += bucket->bu_blocks) {
+		ret = ocfs2_read_xattr_bucket(bucket, blkno);
 		if (ret) {
 			mlog_errno(ret);
-			goto out;
+			break;
 		}
 
-		bucket.xh = (struct ocfs2_xattr_header *)bucket.bhs[0]->b_data;
 		/*
 		 * The real bucket num in this series of blocks is stored
 		 * in the 1st bucket.
 		 */
 		if (i == 0)
-			num_buckets = le16_to_cpu(bucket.xh->xh_num_buckets);
+			num_buckets = le16_to_cpu(bucket_xh(bucket)->xh_num_buckets);
 
 		mlog(0, "iterating xattr bucket %llu, first hash %u\n",
 		     (unsigned long long)blkno,
-		     le32_to_cpu(bucket.xh->xh_entries[0].xe_name_hash));
+		     le32_to_cpu(bucket_xh(bucket)->xh_entries[0].xe_name_hash));
 		if (func) {
-			ret = func(inode, &bucket, para);
-			if (ret) {
+			ret = func(inode, bucket, para);
+			if (ret)
 				mlog_errno(ret);
-				break;
-			}
+			/* Fall through to bucket_relse() */
 		}
 
-		for (j = 0; j < blk_per_bucket; j++)
-			brelse(bucket.bhs[j]);
-		memset(&bucket, 0, sizeof(bucket));
+		ocfs2_xattr_bucket_relse(bucket);
+		if (ret)
+			break;
 	}
 
-out:
-	for (j = 0; j < blk_per_bucket; j++)
-		brelse(bucket.bhs[j]);
-
+	ocfs2_xattr_bucket_free(bucket);
 	return ret;
 }
 
@@ -2441,21 +3196,21 @@
 	int i, block_off, new_offset;
 	const char *prefix, *name;
 
-	for (i = 0 ; i < le16_to_cpu(bucket->xh->xh_count); i++) {
-		struct ocfs2_xattr_entry *entry = &bucket->xh->xh_entries[i];
+	for (i = 0 ; i < le16_to_cpu(bucket_xh(bucket)->xh_count); i++) {
+		struct ocfs2_xattr_entry *entry = &bucket_xh(bucket)->xh_entries[i];
 		type = ocfs2_xattr_get_type(entry);
 		prefix = ocfs2_xattr_prefix(type);
 
 		if (prefix) {
 			ret = ocfs2_xattr_bucket_get_name_value(inode,
-								bucket->xh,
+								bucket_xh(bucket),
 								i,
 								&block_off,
 								&new_offset);
 			if (ret)
 				break;
 
-			name = (const char *)bucket->bhs[block_off]->b_data +
+			name = (const char *)bucket_block(bucket, block_off) +
 				new_offset;
 			ret = ocfs2_xattr_list_entry(xl->buffer,
 						     xl->buffer_size,
@@ -2540,32 +3295,34 @@
 /*
  * When the ocfs2_xattr_block is filled up, new bucket will be created
  * and all the xattr entries will be moved to the new bucket.
+ * The header goes at the start of the bucket, and the names+values are
+ * filled from the end.  This is why *target starts as the last buffer.
  * Note: we need to sort the entries since they are not saved in order
  * in the ocfs2_xattr_block.
  */
 static void ocfs2_cp_xattr_block_to_bucket(struct inode *inode,
 					   struct buffer_head *xb_bh,
-					   struct buffer_head *xh_bh,
-					   struct buffer_head *data_bh)
+					   struct ocfs2_xattr_bucket *bucket)
 {
 	int i, blocksize = inode->i_sb->s_blocksize;
+	int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
 	u16 offset, size, off_change;
 	struct ocfs2_xattr_entry *xe;
 	struct ocfs2_xattr_block *xb =
 				(struct ocfs2_xattr_block *)xb_bh->b_data;
 	struct ocfs2_xattr_header *xb_xh = &xb->xb_attrs.xb_header;
-	struct ocfs2_xattr_header *xh =
-				(struct ocfs2_xattr_header *)xh_bh->b_data;
+	struct ocfs2_xattr_header *xh = bucket_xh(bucket);
 	u16 count = le16_to_cpu(xb_xh->xh_count);
-	char *target = xh_bh->b_data, *src = xb_bh->b_data;
+	char *src = xb_bh->b_data;
+	char *target = bucket_block(bucket, blks - 1);
 
 	mlog(0, "cp xattr from block %llu to bucket %llu\n",
 	     (unsigned long long)xb_bh->b_blocknr,
-	     (unsigned long long)xh_bh->b_blocknr);
+	     (unsigned long long)bucket_blkno(bucket));
 
-	memset(xh_bh->b_data, 0, blocksize);
-	if (data_bh)
-		memset(data_bh->b_data, 0, blocksize);
+	for (i = 0; i < blks; i++)
+		memset(bucket_block(bucket, i), 0, blocksize);
+
 	/*
 	 * Since the xe_name_offset is based on ocfs2_xattr_header,
 	 * there is a offset change corresponding to the change of
@@ -2577,8 +3334,6 @@
 	size = blocksize - offset;
 
 	/* copy all the names and values. */
-	if (data_bh)
-		target = data_bh->b_data;
 	memcpy(target + offset, src + offset, size);
 
 	/* Init new header now. */
@@ -2588,7 +3343,7 @@
 	xh->xh_free_start = cpu_to_le16(OCFS2_XATTR_BUCKET_SIZE - size);
 
 	/* copy all the entries. */
-	target = xh_bh->b_data;
+	target = bucket_block(bucket, 0);
 	offset = offsetof(struct ocfs2_xattr_header, xh_entries);
 	size = count * sizeof(struct ocfs2_xattr_entry);
 	memcpy(target + offset, (char *)xb_xh + offset, size);
@@ -2614,73 +3369,47 @@
  * While if the entry is in index b-tree, "bucket" indicates the
  * real place of the xattr.
  */
-static int ocfs2_xattr_update_xattr_search(struct inode *inode,
-					   struct ocfs2_xattr_search *xs,
-					   struct buffer_head *old_bh,
-					   struct buffer_head *new_bh)
+static void ocfs2_xattr_update_xattr_search(struct inode *inode,
+					    struct ocfs2_xattr_search *xs,
+					    struct buffer_head *old_bh)
 {
-	int ret = 0;
 	char *buf = old_bh->b_data;
 	struct ocfs2_xattr_block *old_xb = (struct ocfs2_xattr_block *)buf;
 	struct ocfs2_xattr_header *old_xh = &old_xb->xb_attrs.xb_header;
-	int i, blocksize = inode->i_sb->s_blocksize;
-	u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+	int i;
 
-	xs->bucket.bhs[0] = new_bh;
-	get_bh(new_bh);
-	xs->bucket.xh = (struct ocfs2_xattr_header *)xs->bucket.bhs[0]->b_data;
-	xs->header = xs->bucket.xh;
-
-	xs->base = new_bh->b_data;
+	xs->header = bucket_xh(xs->bucket);
+	xs->base = bucket_block(xs->bucket, 0);
 	xs->end = xs->base + inode->i_sb->s_blocksize;
 
-	if (!xs->not_found) {
-		if (OCFS2_XATTR_BUCKET_SIZE != blocksize) {
-			ret = ocfs2_read_blocks(inode,
-					xs->bucket.bhs[0]->b_blocknr + 1,
-					blk_per_bucket - 1, &xs->bucket.bhs[1],
-					0);
-			if (ret) {
-				mlog_errno(ret);
-				return ret;
-			}
+	if (xs->not_found)
+		return;
 
-		}
-		i = xs->here - old_xh->xh_entries;
-		xs->here = &xs->header->xh_entries[i];
-	}
-
-	return ret;
+	i = xs->here - old_xh->xh_entries;
+	xs->here = &xs->header->xh_entries[i];
 }
 
 static int ocfs2_xattr_create_index_block(struct inode *inode,
-					  struct ocfs2_xattr_search *xs)
+					  struct ocfs2_xattr_search *xs,
+					  struct ocfs2_xattr_set_ctxt *ctxt)
 {
-	int ret, credits = OCFS2_SUBALLOC_ALLOC;
+	int ret;
 	u32 bit_off, len;
 	u64 blkno;
-	handle_t *handle;
+	handle_t *handle = ctxt->handle;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct ocfs2_inode_info *oi = OCFS2_I(inode);
-	struct ocfs2_alloc_context *data_ac;
-	struct buffer_head *xh_bh = NULL, *data_bh = NULL;
 	struct buffer_head *xb_bh = xs->xattr_bh;
 	struct ocfs2_xattr_block *xb =
 			(struct ocfs2_xattr_block *)xb_bh->b_data;
 	struct ocfs2_xattr_tree_root *xr;
 	u16 xb_flags = le16_to_cpu(xb->xb_flags);
-	u16 bpb = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
 
 	mlog(0, "create xattr index block for %llu\n",
 	     (unsigned long long)xb_bh->b_blocknr);
 
 	BUG_ON(xb_flags & OCFS2_XATTR_INDEXED);
-
-	ret = ocfs2_reserve_clusters(osb, 1, &data_ac);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
+	BUG_ON(!xs->bucket);
 
 	/*
 	 * XXX:
@@ -2689,29 +3418,18 @@
 	 */
 	down_write(&oi->ip_alloc_sem);
 
-	/*
-	 * 3 more credits, one for xattr block update, one for the 1st block
-	 * of the new xattr bucket and one for the value/data.
-	 */
-	credits += 3;
-	handle = ocfs2_start_trans(osb, credits);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		mlog_errno(ret);
-		goto out_sem;
-	}
-
-	ret = ocfs2_journal_access(handle, inode, xb_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_xb(handle, inode, xb_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		goto out;
 	}
 
-	ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &len);
+	ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac,
+				     1, 1, &bit_off, &len);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		goto out;
 	}
 
 	/*
@@ -2724,52 +3442,24 @@
 	mlog(0, "allocate 1 cluster from %llu to xattr block\n",
 	     (unsigned long long)blkno);
 
-	xh_bh = sb_getblk(inode->i_sb, blkno);
-	if (!xh_bh) {
-		ret = -EIO;
-		mlog_errno(ret);
-		goto out_commit;
-	}
-
-	ocfs2_set_new_buffer_uptodate(inode, xh_bh);
-
-	ret = ocfs2_journal_access(handle, inode, xh_bh,
-				   OCFS2_JOURNAL_ACCESS_CREATE);
+	ret = ocfs2_init_xattr_bucket(xs->bucket, blkno);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		goto out;
 	}
 
-	if (bpb > 1) {
-		data_bh = sb_getblk(inode->i_sb, blkno + bpb - 1);
-		if (!data_bh) {
-			ret = -EIO;
-			mlog_errno(ret);
-			goto out_commit;
-		}
-
-		ocfs2_set_new_buffer_uptodate(inode, data_bh);
-
-		ret = ocfs2_journal_access(handle, inode, data_bh,
-					   OCFS2_JOURNAL_ACCESS_CREATE);
-		if (ret) {
-			mlog_errno(ret);
-			goto out_commit;
-		}
-	}
-
-	ocfs2_cp_xattr_block_to_bucket(inode, xb_bh, xh_bh, data_bh);
-
-	ocfs2_journal_dirty(handle, xh_bh);
-	if (data_bh)
-		ocfs2_journal_dirty(handle, data_bh);
-
-	ret = ocfs2_xattr_update_xattr_search(inode, xs, xb_bh, xh_bh);
+	ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
+						OCFS2_JOURNAL_ACCESS_CREATE);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		goto out;
 	}
 
+	ocfs2_cp_xattr_block_to_bucket(inode, xb_bh, xs->bucket);
+	ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);
+
+	ocfs2_xattr_update_xattr_search(inode, xs, xb_bh);
+
 	/* Change from ocfs2_xattr_header to ocfs2_xattr_tree_root */
 	memset(&xb->xb_attrs, 0, inode->i_sb->s_blocksize -
 	       offsetof(struct ocfs2_xattr_block, xb_attrs));
@@ -2787,24 +3477,10 @@
 
 	xb->xb_flags = cpu_to_le16(xb_flags | OCFS2_XATTR_INDEXED);
 
-	ret = ocfs2_journal_dirty(handle, xb_bh);
-	if (ret) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
-
-out_commit:
-	ocfs2_commit_trans(osb, handle);
-
-out_sem:
-	up_write(&oi->ip_alloc_sem);
+	ocfs2_journal_dirty(handle, xb_bh);
 
 out:
-	if (data_ac)
-		ocfs2_free_alloc_context(data_ac);
-
-	brelse(xh_bh);
-	brelse(data_bh);
+	up_write(&oi->ip_alloc_sem);
 
 	return ret;
 }
@@ -2829,29 +3505,18 @@
  * so that we can spare some space for insertion.
  */
 static int ocfs2_defrag_xattr_bucket(struct inode *inode,
+				     handle_t *handle,
 				     struct ocfs2_xattr_bucket *bucket)
 {
 	int ret, i;
 	size_t end, offset, len, value_len;
 	struct ocfs2_xattr_header *xh;
 	char *entries, *buf, *bucket_buf = NULL;
-	u64 blkno = bucket->bhs[0]->b_blocknr;
-	u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+	u64 blkno = bucket_blkno(bucket);
 	u16 xh_free_start;
 	size_t blocksize = inode->i_sb->s_blocksize;
-	handle_t *handle;
-	struct buffer_head **bhs;
 	struct ocfs2_xattr_entry *xe;
 
-	bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket,
-			GFP_NOFS);
-	if (!bhs)
-		return -ENOMEM;
-
-	ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket, bhs, 0);
-	if (ret)
-		goto out;
-
 	/*
 	 * In order to make the operation more efficient and generic,
 	 * we copy all the blocks into a contiguous memory and do the
@@ -2865,26 +3530,16 @@
 	}
 
 	buf = bucket_buf;
-	for (i = 0; i < blk_per_bucket; i++, buf += blocksize)
-		memcpy(buf, bhs[i]->b_data, blocksize);
+	for (i = 0; i < bucket->bu_blocks; i++, buf += blocksize)
+		memcpy(buf, bucket_block(bucket, i), blocksize);
 
-	handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), blk_per_bucket);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		handle = NULL;
+	ret = ocfs2_xattr_bucket_journal_access(handle, bucket,
+						OCFS2_JOURNAL_ACCESS_WRITE);
+	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	for (i = 0; i < blk_per_bucket; i++) {
-		ret = ocfs2_journal_access(handle, inode, bhs[i],
-					   OCFS2_JOURNAL_ACCESS_WRITE);
-		if (ret < 0) {
-			mlog_errno(ret);
-			goto commit;
-		}
-	}
-
 	xh = (struct ocfs2_xattr_header *)bucket_buf;
 	entries = (char *)xh->xh_entries;
 	xh_free_start = le16_to_cpu(xh->xh_free_start);
@@ -2940,7 +3595,7 @@
 			"bucket %llu\n", (unsigned long long)blkno);
 
 	if (xh_free_start == end)
-		goto commit;
+		goto out;
 
 	memset(bucket_buf + xh_free_start, 0, end - xh_free_start);
 	xh->xh_free_start = cpu_to_le16(end);
@@ -2951,169 +3606,94 @@
 	     cmp_xe, swap_xe);
 
 	buf = bucket_buf;
-	for (i = 0; i < blk_per_bucket; i++, buf += blocksize) {
-		memcpy(bhs[i]->b_data, buf, blocksize);
-		ocfs2_journal_dirty(handle, bhs[i]);
-	}
+	for (i = 0; i < bucket->bu_blocks; i++, buf += blocksize)
+		memcpy(bucket_block(bucket, i), buf, blocksize);
+	ocfs2_xattr_bucket_journal_dirty(handle, bucket);
 
-commit:
-	ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
 out:
-
-	if (bhs) {
-		for (i = 0; i < blk_per_bucket; i++)
-			brelse(bhs[i]);
-	}
-	kfree(bhs);
-
 	kfree(bucket_buf);
 	return ret;
 }
 
 /*
- * Move half nums of the xattr bucket in the previous cluster to this new
- * cluster. We only touch the last cluster of the previous extend record.
+ * prev_blkno points to the start of an existing extent.  new_blkno
+ * points to a newly allocated extent.  Because we know each of our
+ * clusters contains more than bucket, we can easily split one cluster
+ * at a bucket boundary.  So we take the last cluster of the existing
+ * extent and split it down the middle.  We move the last half of the
+ * buckets in the last cluster of the existing extent over to the new
+ * extent.
  *
- * first_bh is the first buffer_head of a series of bucket in the same
- * extent rec and header_bh is the header of one bucket in this cluster.
- * They will be updated if we move the data header_bh contains to the new
- * cluster. first_hash will be set as the 1st xe's name_hash of the new cluster.
+ * first_bh is the buffer at prev_blkno so we can update the existing
+ * extent's bucket count.  header_bh is the bucket were we were hoping
+ * to insert our xattr.  If the bucket move places the target in the new
+ * extent, we'll update first_bh and header_bh after modifying the old
+ * extent.
+ *
+ * first_hash will be set as the 1st xe's name_hash in the new extent.
  */
 static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode,
 					       handle_t *handle,
-					       struct buffer_head **first_bh,
-					       struct buffer_head **header_bh,
+					       struct ocfs2_xattr_bucket *first,
+					       struct ocfs2_xattr_bucket *target,
 					       u64 new_blkno,
-					       u64 prev_blkno,
 					       u32 num_clusters,
 					       u32 *first_hash)
 {
-	int i, ret, credits;
-	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-	int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1);
-	int num_buckets = ocfs2_xattr_buckets_per_cluster(osb);
-	int blocksize = inode->i_sb->s_blocksize;
-	struct buffer_head *old_bh, *new_bh, *prev_bh, *new_first_bh = NULL;
-	struct ocfs2_xattr_header *new_xh;
-	struct ocfs2_xattr_header *xh =
-			(struct ocfs2_xattr_header *)((*first_bh)->b_data);
+	int ret;
+	struct super_block *sb = inode->i_sb;
+	int blks_per_bucket = ocfs2_blocks_per_xattr_bucket(sb);
+	int num_buckets = ocfs2_xattr_buckets_per_cluster(OCFS2_SB(sb));
+	int to_move = num_buckets / 2;
+	u64 src_blkno;
+	u64 last_cluster_blkno = bucket_blkno(first) +
+		((num_clusters - 1) * ocfs2_clusters_to_blocks(sb, 1));
 
-	BUG_ON(le16_to_cpu(xh->xh_num_buckets) < num_buckets);
-	BUG_ON(OCFS2_XATTR_BUCKET_SIZE == osb->s_clustersize);
-
-	prev_bh = *first_bh;
-	get_bh(prev_bh);
-	xh = (struct ocfs2_xattr_header *)prev_bh->b_data;
-
-	prev_blkno += (num_clusters - 1) * bpc + bpc / 2;
+	BUG_ON(le16_to_cpu(bucket_xh(first)->xh_num_buckets) < num_buckets);
+	BUG_ON(OCFS2_XATTR_BUCKET_SIZE == OCFS2_SB(sb)->s_clustersize);
 
 	mlog(0, "move half of xattrs in cluster %llu to %llu\n",
-	     (unsigned long long)prev_blkno, (unsigned long long)new_blkno);
+	     (unsigned long long)last_cluster_blkno, (unsigned long long)new_blkno);
+
+	ret = ocfs2_mv_xattr_buckets(inode, handle, bucket_blkno(first),
+				     last_cluster_blkno, new_blkno,
+				     to_move, first_hash);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
+	}
+
+	/* This is the first bucket that got moved */
+	src_blkno = last_cluster_blkno + (to_move * blks_per_bucket);
 
 	/*
-	 * We need to update the 1st half of the new cluster and
-	 * 1 more for the update of the 1st bucket of the previous
-	 * extent record.
+	 * If the target bucket was part of the moved buckets, we need to
+	 * update first and target.
 	 */
-	credits = bpc / 2 + 1;
-	ret = ocfs2_extend_trans(handle, credits);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
+	if (bucket_blkno(target) >= src_blkno) {
+		/* Find the block for the new target bucket */
+		src_blkno = new_blkno +
+			(bucket_blkno(target) - src_blkno);
 
-	ret = ocfs2_journal_access(handle, inode, prev_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
+		ocfs2_xattr_bucket_relse(first);
+		ocfs2_xattr_bucket_relse(target);
 
-	for (i = 0; i < bpc / 2; i++, prev_blkno++, new_blkno++) {
-		old_bh = new_bh = NULL;
-		new_bh = sb_getblk(inode->i_sb, new_blkno);
-		if (!new_bh) {
-			ret = -EIO;
+		/*
+		 * These shouldn't fail - the buffers are in the
+		 * journal from ocfs2_cp_xattr_bucket().
+		 */
+		ret = ocfs2_read_xattr_bucket(first, new_blkno);
+		if (ret) {
 			mlog_errno(ret);
 			goto out;
 		}
-
-		ocfs2_set_new_buffer_uptodate(inode, new_bh);
-
-		ret = ocfs2_journal_access(handle, inode, new_bh,
-					   OCFS2_JOURNAL_ACCESS_CREATE);
-		if (ret < 0) {
+		ret = ocfs2_read_xattr_bucket(target, src_blkno);
+		if (ret)
 			mlog_errno(ret);
-			brelse(new_bh);
-			goto out;
-		}
 
-		ret = ocfs2_read_block(inode, prev_blkno, &old_bh);
-		if (ret < 0) {
-			mlog_errno(ret);
-			brelse(new_bh);
-			goto out;
-		}
-
-		memcpy(new_bh->b_data, old_bh->b_data, blocksize);
-
-		if (i == 0) {
-			new_xh = (struct ocfs2_xattr_header *)new_bh->b_data;
-			new_xh->xh_num_buckets = cpu_to_le16(num_buckets / 2);
-
-			if (first_hash)
-				*first_hash = le32_to_cpu(
-					new_xh->xh_entries[0].xe_name_hash);
-			new_first_bh = new_bh;
-			get_bh(new_first_bh);
-		}
-
-		ocfs2_journal_dirty(handle, new_bh);
-
-		if (*header_bh == old_bh) {
-			brelse(*header_bh);
-			*header_bh = new_bh;
-			get_bh(*header_bh);
-
-			brelse(*first_bh);
-			*first_bh = new_first_bh;
-			get_bh(*first_bh);
-		}
-		brelse(new_bh);
-		brelse(old_bh);
 	}
 
-	le16_add_cpu(&xh->xh_num_buckets, -(num_buckets / 2));
-
-	ocfs2_journal_dirty(handle, prev_bh);
 out:
-	brelse(prev_bh);
-	brelse(new_first_bh);
-	return ret;
-}
-
-static int ocfs2_read_xattr_bucket(struct inode *inode,
-				   u64 blkno,
-				   struct buffer_head **bhs,
-				   int new)
-{
-	int ret = 0;
-	u16 i, blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
-
-	if (!new)
-		return ocfs2_read_blocks(inode, blkno,
-					 blk_per_bucket, bhs, 0);
-
-	for (i = 0; i < blk_per_bucket; i++) {
-		bhs[i] = sb_getblk(inode->i_sb, blkno + i);
-		if (bhs[i] == NULL) {
-			ret = -EIO;
-			mlog_errno(ret);
-			break;
-		}
-		ocfs2_set_new_buffer_uptodate(inode, bhs[i]);
-	}
-
 	return ret;
 }
 
@@ -3178,8 +3758,7 @@
 {
 	int ret, i;
 	int count, start, len, name_value_len = 0, xe_len, name_offset = 0;
-	u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
-	struct buffer_head **s_bhs, **t_bhs = NULL;
+	struct ocfs2_xattr_bucket *s_bucket = NULL, *t_bucket = NULL;
 	struct ocfs2_xattr_header *xh;
 	struct ocfs2_xattr_entry *xe;
 	int blocksize = inode->i_sb->s_blocksize;
@@ -3187,47 +3766,52 @@
 	mlog(0, "move some of xattrs from bucket %llu to %llu\n",
 	     (unsigned long long)blk, (unsigned long long)new_blk);
 
-	s_bhs = kcalloc(blk_per_bucket, sizeof(struct buffer_head *), GFP_NOFS);
-	if (!s_bhs)
-		return -ENOMEM;
-
-	ret = ocfs2_read_xattr_bucket(inode, blk, s_bhs, 0);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
-
-	ret = ocfs2_journal_access(handle, inode, s_bhs[0],
-				   OCFS2_JOURNAL_ACCESS_WRITE);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
-
-	t_bhs = kcalloc(blk_per_bucket, sizeof(struct buffer_head *), GFP_NOFS);
-	if (!t_bhs) {
+	s_bucket = ocfs2_xattr_bucket_new(inode);
+	t_bucket = ocfs2_xattr_bucket_new(inode);
+	if (!s_bucket || !t_bucket) {
 		ret = -ENOMEM;
+		mlog_errno(ret);
 		goto out;
 	}
 
-	ret = ocfs2_read_xattr_bucket(inode, new_blk, t_bhs, new_bucket_head);
+	ret = ocfs2_read_xattr_bucket(s_bucket, blk);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	for (i = 0; i < blk_per_bucket; i++) {
-		ret = ocfs2_journal_access(handle, inode, t_bhs[i],
-					   new_bucket_head ?
-					   OCFS2_JOURNAL_ACCESS_CREATE :
-					   OCFS2_JOURNAL_ACCESS_WRITE);
-		if (ret) {
-			mlog_errno(ret);
-			goto out;
-		}
+	ret = ocfs2_xattr_bucket_journal_access(handle, s_bucket,
+						OCFS2_JOURNAL_ACCESS_WRITE);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
 	}
 
-	xh = (struct ocfs2_xattr_header *)s_bhs[0]->b_data;
+	/*
+	 * Even if !new_bucket_head, we're overwriting t_bucket.  Thus,
+	 * there's no need to read it.
+	 */
+	ret = ocfs2_init_xattr_bucket(t_bucket, new_blk);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
+	}
+
+	/*
+	 * Hey, if we're overwriting t_bucket, what difference does
+	 * ACCESS_CREATE vs ACCESS_WRITE make?  See the comment in the
+	 * same part of ocfs2_cp_xattr_bucket().
+	 */
+	ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket,
+						new_bucket_head ?
+						OCFS2_JOURNAL_ACCESS_CREATE :
+						OCFS2_JOURNAL_ACCESS_WRITE);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
+	}
+
+	xh = bucket_xh(s_bucket);
 	count = le16_to_cpu(xh->xh_count);
 	start = ocfs2_xattr_find_divide_pos(xh);
 
@@ -3239,10 +3823,10 @@
 		 * The hash value is set as one larger than
 		 * that of the last entry in the previous bucket.
 		 */
-		for (i = 0; i < blk_per_bucket; i++)
-			memset(t_bhs[i]->b_data, 0, blocksize);
+		for (i = 0; i < t_bucket->bu_blocks; i++)
+			memset(bucket_block(t_bucket, i), 0, blocksize);
 
-		xh = (struct ocfs2_xattr_header *)t_bhs[0]->b_data;
+		xh = bucket_xh(t_bucket);
 		xh->xh_free_start = cpu_to_le16(blocksize);
 		xh->xh_entries[0].xe_name_hash = xe->xe_name_hash;
 		le32_add_cpu(&xh->xh_entries[0].xe_name_hash, 1);
@@ -3251,11 +3835,10 @@
 	}
 
 	/* copy the whole bucket to the new first. */
-	for (i = 0; i < blk_per_bucket; i++)
-		memcpy(t_bhs[i]->b_data, s_bhs[i]->b_data, blocksize);
+	ocfs2_xattr_bucket_copy_data(t_bucket, s_bucket);
 
 	/* update the new bucket. */
-	xh = (struct ocfs2_xattr_header *)t_bhs[0]->b_data;
+	xh = bucket_xh(t_bucket);
 
 	/*
 	 * Calculate the total name/value len and xh_free_start for
@@ -3319,11 +3902,7 @@
 	else
 		xh->xh_num_buckets = 0;
 
-	for (i = 0; i < blk_per_bucket; i++) {
-		ocfs2_journal_dirty(handle, t_bhs[i]);
-		if (ret)
-			mlog_errno(ret);
-	}
+	ocfs2_xattr_bucket_journal_dirty(handle, t_bucket);
 
 	/* store the first_hash of the new bucket. */
 	if (first_hash)
@@ -3337,29 +3916,18 @@
 	if (start == count)
 		goto out;
 
-	xh = (struct ocfs2_xattr_header *)s_bhs[0]->b_data;
+	xh = bucket_xh(s_bucket);
 	memset(&xh->xh_entries[start], 0,
 	       sizeof(struct ocfs2_xattr_entry) * (count - start));
 	xh->xh_count = cpu_to_le16(start);
 	xh->xh_free_start = cpu_to_le16(name_offset);
 	xh->xh_name_value_len = cpu_to_le16(name_value_len);
 
-	ocfs2_journal_dirty(handle, s_bhs[0]);
-	if (ret)
-		mlog_errno(ret);
+	ocfs2_xattr_bucket_journal_dirty(handle, s_bucket);
 
 out:
-	if (s_bhs) {
-		for (i = 0; i < blk_per_bucket; i++)
-			brelse(s_bhs[i]);
-	}
-	kfree(s_bhs);
-
-	if (t_bhs) {
-		for (i = 0; i < blk_per_bucket; i++)
-			brelse(t_bhs[i]);
-	}
-	kfree(t_bhs);
+	ocfs2_xattr_bucket_free(s_bucket);
+	ocfs2_xattr_bucket_free(t_bucket);
 
 	return ret;
 }
@@ -3376,10 +3944,8 @@
 				 u64 t_blkno,
 				 int t_is_new)
 {
-	int ret, i;
-	int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
-	int blocksize = inode->i_sb->s_blocksize;
-	struct buffer_head **s_bhs, **t_bhs = NULL;
+	int ret;
+	struct ocfs2_xattr_bucket *s_bucket = NULL, *t_bucket = NULL;
 
 	BUG_ON(s_blkno == t_blkno);
 
@@ -3387,92 +3953,115 @@
 	     (unsigned long long)s_blkno, (unsigned long long)t_blkno,
 	     t_is_new);
 
-	s_bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket,
-			GFP_NOFS);
-	if (!s_bhs)
-		return -ENOMEM;
-
-	ret = ocfs2_read_xattr_bucket(inode, s_blkno, s_bhs, 0);
-	if (ret)
-		goto out;
-
-	t_bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket,
-			GFP_NOFS);
-	if (!t_bhs) {
+	s_bucket = ocfs2_xattr_bucket_new(inode);
+	t_bucket = ocfs2_xattr_bucket_new(inode);
+	if (!s_bucket || !t_bucket) {
 		ret = -ENOMEM;
+		mlog_errno(ret);
 		goto out;
 	}
 
-	ret = ocfs2_read_xattr_bucket(inode, t_blkno, t_bhs, t_is_new);
+	ret = ocfs2_read_xattr_bucket(s_bucket, s_blkno);
 	if (ret)
 		goto out;
 
-	for (i = 0; i < blk_per_bucket; i++) {
-		ret = ocfs2_journal_access(handle, inode, t_bhs[i],
-					   t_is_new ?
-					   OCFS2_JOURNAL_ACCESS_CREATE :
-					   OCFS2_JOURNAL_ACCESS_WRITE);
-		if (ret)
-			goto out;
-	}
+	/*
+	 * Even if !t_is_new, we're overwriting t_bucket.  Thus,
+	 * there's no need to read it.
+	 */
+	ret = ocfs2_init_xattr_bucket(t_bucket, t_blkno);
+	if (ret)
+		goto out;
 
-	for (i = 0; i < blk_per_bucket; i++) {
-		memcpy(t_bhs[i]->b_data, s_bhs[i]->b_data, blocksize);
-		ocfs2_journal_dirty(handle, t_bhs[i]);
-	}
+	/*
+	 * Hey, if we're overwriting t_bucket, what difference does
+	 * ACCESS_CREATE vs ACCESS_WRITE make?  Well, if we allocated a new
+	 * cluster to fill, we came here from
+	 * ocfs2_mv_xattr_buckets(), and it is really new -
+	 * ACCESS_CREATE is required.  But we also might have moved data
+	 * out of t_bucket before extending back into it.
+	 * ocfs2_add_new_xattr_bucket() can do this - its call to
+	 * ocfs2_add_new_xattr_cluster() may have created a new extent
+	 * and copied out the end of the old extent.  Then it re-extends
+	 * the old extent back to create space for new xattrs.  That's
+	 * how we get here, and the bucket isn't really new.
+	 */
+	ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket,
+						t_is_new ?
+						OCFS2_JOURNAL_ACCESS_CREATE :
+						OCFS2_JOURNAL_ACCESS_WRITE);
+	if (ret)
+		goto out;
+
+	ocfs2_xattr_bucket_copy_data(t_bucket, s_bucket);
+	ocfs2_xattr_bucket_journal_dirty(handle, t_bucket);
 
 out:
-	if (s_bhs) {
-		for (i = 0; i < blk_per_bucket; i++)
-			brelse(s_bhs[i]);
-	}
-	kfree(s_bhs);
-
-	if (t_bhs) {
-		for (i = 0; i < blk_per_bucket; i++)
-			brelse(t_bhs[i]);
-	}
-	kfree(t_bhs);
+	ocfs2_xattr_bucket_free(t_bucket);
+	ocfs2_xattr_bucket_free(s_bucket);
 
 	return ret;
 }
 
 /*
- * Copy one xattr cluster from src_blk to to_blk.
- * The to_blk will become the first bucket header of the cluster, so its
- * xh_num_buckets will be initialized as the bucket num in the cluster.
+ * src_blk points to the start of an existing extent.  last_blk points to
+ * last cluster in that extent.  to_blk points to a newly allocated
+ * extent.  We copy the buckets from the cluster at last_blk to the new
+ * extent.  If start_bucket is non-zero, we skip that many buckets before
+ * we start copying.  The new extent's xh_num_buckets gets set to the
+ * number of buckets we copied.  The old extent's xh_num_buckets shrinks
+ * by the same amount.
  */
-static int ocfs2_cp_xattr_cluster(struct inode *inode,
-				  handle_t *handle,
-				  struct buffer_head *first_bh,
-				  u64 src_blk,
-				  u64 to_blk,
+static int ocfs2_mv_xattr_buckets(struct inode *inode, handle_t *handle,
+				  u64 src_blk, u64 last_blk, u64 to_blk,
+				  unsigned int start_bucket,
 				  u32 *first_hash)
 {
 	int i, ret, credits;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-	int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1);
+	int blks_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
 	int num_buckets = ocfs2_xattr_buckets_per_cluster(osb);
-	struct buffer_head *bh = NULL;
-	struct ocfs2_xattr_header *xh;
-	u64 to_blk_start = to_blk;
+	struct ocfs2_xattr_bucket *old_first, *new_first;
 
-	mlog(0, "cp xattrs from cluster %llu to %llu\n",
-	     (unsigned long long)src_blk, (unsigned long long)to_blk);
+	mlog(0, "mv xattrs from cluster %llu to %llu\n",
+	     (unsigned long long)last_blk, (unsigned long long)to_blk);
+
+	BUG_ON(start_bucket >= num_buckets);
+	if (start_bucket) {
+		num_buckets -= start_bucket;
+		last_blk += (start_bucket * blks_per_bucket);
+	}
+
+	/* The first bucket of the original extent */
+	old_first = ocfs2_xattr_bucket_new(inode);
+	/* The first bucket of the new extent */
+	new_first = ocfs2_xattr_bucket_new(inode);
+	if (!old_first || !new_first) {
+		ret = -ENOMEM;
+		mlog_errno(ret);
+		goto out;
+	}
+
+	ret = ocfs2_read_xattr_bucket(old_first, src_blk);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
+	}
 
 	/*
-	 * We need to update the new cluster and 1 more for the update of
-	 * the 1st bucket of the previous extent rec.
+	 * We need to update the first bucket of the old extent and all
+	 * the buckets going to the new extent.
 	 */
-	credits = bpc + 1;
+	credits = ((num_buckets + 1) * blks_per_bucket) +
+		handle->h_buffer_credits;
 	ret = ocfs2_extend_trans(handle, credits);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	ret = ocfs2_journal_access(handle, inode, first_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_xattr_bucket_journal_access(handle, old_first,
+						OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -3480,45 +4069,45 @@
 
 	for (i = 0; i < num_buckets; i++) {
 		ret = ocfs2_cp_xattr_bucket(inode, handle,
-					    src_blk, to_blk, 1);
+					    last_blk + (i * blks_per_bucket),
+					    to_blk + (i * blks_per_bucket),
+					    1);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
 		}
-
-		src_blk += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
-		to_blk += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
 	}
 
-	/* update the old bucket header. */
-	xh = (struct ocfs2_xattr_header *)first_bh->b_data;
-	le16_add_cpu(&xh->xh_num_buckets, -num_buckets);
-
-	ocfs2_journal_dirty(handle, first_bh);
-
-	/* update the new bucket header. */
-	ret = ocfs2_read_block(inode, to_blk_start, &bh);
-	if (ret < 0) {
+	/*
+	 * Get the new bucket ready before we dirty anything
+	 * (This actually shouldn't fail, because we already dirtied
+	 * it once in ocfs2_cp_xattr_bucket()).
+	 */
+	ret = ocfs2_read_xattr_bucket(new_first, to_blk);
+	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
-
-	ret = ocfs2_journal_access(handle, inode, bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_xattr_bucket_journal_access(handle, new_first,
+						OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	xh = (struct ocfs2_xattr_header *)bh->b_data;
-	xh->xh_num_buckets = cpu_to_le16(num_buckets);
+	/* Now update the headers */
+	le16_add_cpu(&bucket_xh(old_first)->xh_num_buckets, -num_buckets);
+	ocfs2_xattr_bucket_journal_dirty(handle, old_first);
 
-	ocfs2_journal_dirty(handle, bh);
+	bucket_xh(new_first)->xh_num_buckets = cpu_to_le16(num_buckets);
+	ocfs2_xattr_bucket_journal_dirty(handle, new_first);
 
 	if (first_hash)
-		*first_hash = le32_to_cpu(xh->xh_entries[0].xe_name_hash);
+		*first_hash = le32_to_cpu(bucket_xh(new_first)->xh_entries[0].xe_name_hash);
+
 out:
-	brelse(bh);
+	ocfs2_xattr_bucket_free(new_first);
+	ocfs2_xattr_bucket_free(old_first);
 	return ret;
 }
 
@@ -3534,7 +4123,7 @@
 				      u32 *first_hash)
 {
 	u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
-	int ret, credits = 2 * blk_per_bucket;
+	int ret, credits = 2 * blk_per_bucket + handle->h_buffer_credits;
 
 	BUG_ON(OCFS2_XATTR_BUCKET_SIZE < OCFS2_SB(inode->i_sb)->s_clustersize);
 
@@ -3577,43 +4166,49 @@
  */
 static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode,
 					    handle_t *handle,
-					    struct buffer_head **first_bh,
-					    struct buffer_head **header_bh,
+					    struct ocfs2_xattr_bucket *first,
+					    struct ocfs2_xattr_bucket *target,
 					    u64 new_blk,
-					    u64 prev_blk,
 					    u32 prev_clusters,
 					    u32 *v_start,
 					    int *extend)
 {
-	int ret = 0;
-	int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1);
+	int ret;
 
 	mlog(0, "adjust xattrs from cluster %llu len %u to %llu\n",
-	     (unsigned long long)prev_blk, prev_clusters,
+	     (unsigned long long)bucket_blkno(first), prev_clusters,
 	     (unsigned long long)new_blk);
 
-	if (ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)) > 1)
+	if (ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)) > 1) {
 		ret = ocfs2_mv_xattr_bucket_cross_cluster(inode,
 							  handle,
-							  first_bh,
-							  header_bh,
+							  first, target,
 							  new_blk,
-							  prev_blk,
 							  prev_clusters,
 							  v_start);
-	else {
-		u64 last_blk = prev_blk + bpc * (prev_clusters - 1);
+		if (ret)
+			mlog_errno(ret);
+	} else {
+		/* The start of the last cluster in the first extent */
+		u64 last_blk = bucket_blkno(first) +
+			((prev_clusters - 1) *
+			 ocfs2_clusters_to_blocks(inode->i_sb, 1));
 
-		if (prev_clusters > 1 && (*header_bh)->b_blocknr != last_blk)
-			ret = ocfs2_cp_xattr_cluster(inode, handle, *first_bh,
-						     last_blk, new_blk,
+		if (prev_clusters > 1 && bucket_blkno(target) != last_blk) {
+			ret = ocfs2_mv_xattr_buckets(inode, handle,
+						     bucket_blkno(first),
+						     last_blk, new_blk, 0,
 						     v_start);
-		else {
+			if (ret)
+				mlog_errno(ret);
+		} else {
 			ret = ocfs2_divide_xattr_cluster(inode, handle,
 							 last_blk, new_blk,
 							 v_start);
+			if (ret)
+				mlog_errno(ret);
 
-			if ((*header_bh)->b_blocknr == last_blk && extend)
+			if ((bucket_blkno(target) == last_blk) && extend)
 				*extend = 0;
 		}
 	}
@@ -3639,56 +4234,37 @@
  */
 static int ocfs2_add_new_xattr_cluster(struct inode *inode,
 				       struct buffer_head *root_bh,
-				       struct buffer_head **first_bh,
-				       struct buffer_head **header_bh,
+				       struct ocfs2_xattr_bucket *first,
+				       struct ocfs2_xattr_bucket *target,
 				       u32 *num_clusters,
 				       u32 prev_cpos,
-				       u64 prev_blkno,
-				       int *extend)
+				       int *extend,
+				       struct ocfs2_xattr_set_ctxt *ctxt)
 {
-	int ret, credits;
+	int ret;
 	u16 bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1);
 	u32 prev_clusters = *num_clusters;
 	u32 clusters_to_add = 1, bit_off, num_bits, v_start = 0;
 	u64 block;
-	handle_t *handle = NULL;
-	struct ocfs2_alloc_context *data_ac = NULL;
-	struct ocfs2_alloc_context *meta_ac = NULL;
+	handle_t *handle = ctxt->handle;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct ocfs2_extent_tree et;
 
 	mlog(0, "Add new xattr cluster for %llu, previous xattr hash = %u, "
 	     "previous xattr blkno = %llu\n",
 	     (unsigned long long)OCFS2_I(inode)->ip_blkno,
-	     prev_cpos, (unsigned long long)prev_blkno);
+	     prev_cpos, (unsigned long long)bucket_blkno(first));
 
 	ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh);
 
-	ret = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0,
-				    &data_ac, &meta_ac);
-	if (ret) {
-		mlog_errno(ret);
-		goto leave;
-	}
-
-	credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el,
-					    clusters_to_add);
-	handle = ocfs2_start_trans(osb, credits);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		handle = NULL;
-		mlog_errno(ret);
-		goto leave;
-	}
-
-	ret = ocfs2_journal_access(handle, inode, root_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_xb(handle, inode, root_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto leave;
 	}
 
-	ret = __ocfs2_claim_clusters(osb, handle, data_ac, 1,
+	ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac, 1,
 				     clusters_to_add, &bit_off, &num_bits);
 	if (ret < 0) {
 		if (ret != -ENOSPC)
@@ -3702,7 +4278,7 @@
 	mlog(0, "Allocating %u clusters at block %u for xattr in inode %llu\n",
 	     num_bits, bit_off, (unsigned long long)OCFS2_I(inode)->ip_blkno);
 
-	if (prev_blkno + prev_clusters * bpc == block &&
+	if (bucket_blkno(first) + (prev_clusters * bpc) == block &&
 	    (prev_clusters + num_bits) << osb->s_clustersize_bits <=
 	     OCFS2_MAX_XATTR_TREE_LEAF_SIZE) {
 		/*
@@ -3721,10 +4297,9 @@
 	} else {
 		ret = ocfs2_adjust_xattr_cross_cluster(inode,
 						       handle,
-						       first_bh,
-						       header_bh,
+						       first,
+						       target,
 						       block,
-						       prev_blkno,
 						       prev_clusters,
 						       &v_start,
 						       extend);
@@ -3734,149 +4309,137 @@
 		}
 	}
 
-	if (handle->h_buffer_credits < credits) {
-		/*
-		 * The journal has been restarted before, and don't
-		 * have enough space for the insertion, so extend it
-		 * here.
-		 */
-		ret = ocfs2_extend_trans(handle, credits);
-		if (ret) {
-			mlog_errno(ret);
-			goto leave;
-		}
-	}
 	mlog(0, "Insert %u clusters at block %llu for xattr at %u\n",
 	     num_bits, (unsigned long long)block, v_start);
 	ret = ocfs2_insert_extent(osb, handle, inode, &et, v_start, block,
-				  num_bits, 0, meta_ac);
+				  num_bits, 0, ctxt->meta_ac);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto leave;
 	}
 
 	ret = ocfs2_journal_dirty(handle, root_bh);
-	if (ret < 0) {
+	if (ret < 0)
 		mlog_errno(ret);
-		goto leave;
-	}
 
 leave:
-	if (handle)
-		ocfs2_commit_trans(osb, handle);
-	if (data_ac)
-		ocfs2_free_alloc_context(data_ac);
-	if (meta_ac)
-		ocfs2_free_alloc_context(meta_ac);
-
 	return ret;
 }
 
 /*
- * Extend a new xattr bucket and move xattrs to the end one by one until
- * We meet with start_bh. Only move half of the xattrs to the bucket after it.
+ * We are given an extent.  'first' is the bucket at the very front of
+ * the extent.  The extent has space for an additional bucket past
+ * bucket_xh(first)->xh_num_buckets.  'target_blkno' is the block number
+ * of the target bucket.  We wish to shift every bucket past the target
+ * down one, filling in that additional space.  When we get back to the
+ * target, we split the target between itself and the now-empty bucket
+ * at target+1 (aka, target_blkno + blks_per_bucket).
  */
 static int ocfs2_extend_xattr_bucket(struct inode *inode,
-				     struct buffer_head *first_bh,
-				     struct buffer_head *start_bh,
+				     handle_t *handle,
+				     struct ocfs2_xattr_bucket *first,
+				     u64 target_blk,
 				     u32 num_clusters)
 {
 	int ret, credits;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
-	u64 start_blk = start_bh->b_blocknr, end_blk;
-	u32 num_buckets = num_clusters * ocfs2_xattr_buckets_per_cluster(osb);
-	handle_t *handle;
-	struct ocfs2_xattr_header *first_xh =
-				(struct ocfs2_xattr_header *)first_bh->b_data;
-	u16 bucket = le16_to_cpu(first_xh->xh_num_buckets);
+	u64 end_blk;
+	u16 new_bucket = le16_to_cpu(bucket_xh(first)->xh_num_buckets);
 
 	mlog(0, "extend xattr bucket in %llu, xattr extend rec starting "
-	     "from %llu, len = %u\n", (unsigned long long)start_blk,
-	     (unsigned long long)first_bh->b_blocknr, num_clusters);
+	     "from %llu, len = %u\n", (unsigned long long)target_blk,
+	     (unsigned long long)bucket_blkno(first), num_clusters);
 
-	BUG_ON(bucket >= num_buckets);
+	/* The extent must have room for an additional bucket */
+	BUG_ON(new_bucket >=
+	       (num_clusters * ocfs2_xattr_buckets_per_cluster(osb)));
 
-	end_blk = first_bh->b_blocknr + (bucket - 1) * blk_per_bucket;
+	/* end_blk points to the last existing bucket */
+	end_blk = bucket_blkno(first) + ((new_bucket - 1) * blk_per_bucket);
 
 	/*
-	 * We will touch all the buckets after the start_bh(include it).
-	 * Add one more bucket and modify the first_bh.
+	 * end_blk is the start of the last existing bucket.
+	 * Thus, (end_blk - target_blk) covers the target bucket and
+	 * every bucket after it up to, but not including, the last
+	 * existing bucket.  Then we add the last existing bucket, the
+	 * new bucket, and the first bucket (3 * blk_per_bucket).
 	 */
-	credits = end_blk - start_blk + 2 * blk_per_bucket + 1;
-	handle = ocfs2_start_trans(osb, credits);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		handle = NULL;
+	credits = (end_blk - target_blk) + (3 * blk_per_bucket) +
+		  handle->h_buffer_credits;
+	ret = ocfs2_extend_trans(handle, credits);
+	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	ret = ocfs2_journal_access(handle, inode, first_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_xattr_bucket_journal_access(handle, first,
+						OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
-		goto commit;
+		goto out;
 	}
 
-	while (end_blk != start_blk) {
+	while (end_blk != target_blk) {
 		ret = ocfs2_cp_xattr_bucket(inode, handle, end_blk,
 					    end_blk + blk_per_bucket, 0);
 		if (ret)
-			goto commit;
+			goto out;
 		end_blk -= blk_per_bucket;
 	}
 
-	/* Move half of the xattr in start_blk to the next bucket. */
-	ret = ocfs2_divide_xattr_bucket(inode, handle, start_blk,
-					start_blk + blk_per_bucket, NULL, 0);
+	/* Move half of the xattr in target_blkno to the next bucket. */
+	ret = ocfs2_divide_xattr_bucket(inode, handle, target_blk,
+					target_blk + blk_per_bucket, NULL, 0);
 
-	le16_add_cpu(&first_xh->xh_num_buckets, 1);
-	ocfs2_journal_dirty(handle, first_bh);
+	le16_add_cpu(&bucket_xh(first)->xh_num_buckets, 1);
+	ocfs2_xattr_bucket_journal_dirty(handle, first);
 
-commit:
-	ocfs2_commit_trans(osb, handle);
 out:
 	return ret;
 }
 
 /*
- * Add new xattr bucket in an extent record and adjust the buckets accordingly.
- * xb_bh is the ocfs2_xattr_block.
- * We will move all the buckets starting from header_bh to the next place. As
- * for this one, half num of its xattrs will be moved to the next one.
+ * Add new xattr bucket in an extent record and adjust the buckets
+ * accordingly.  xb_bh is the ocfs2_xattr_block, and target is the
+ * bucket we want to insert into.
  *
- * We will allocate a new cluster if current cluster is full and adjust
- * header_bh and first_bh if the insert place is moved to the new cluster.
+ * In the easy case, we will move all the buckets after target down by
+ * one. Half of target's xattrs will be moved to the next bucket.
+ *
+ * If current cluster is full, we'll allocate a new one.  This may not
+ * be contiguous.  The underlying calls will make sure that there is
+ * space for the insert, shifting buckets around if necessary.
+ * 'target' may be moved by those calls.
  */
 static int ocfs2_add_new_xattr_bucket(struct inode *inode,
 				      struct buffer_head *xb_bh,
-				      struct buffer_head *header_bh)
+				      struct ocfs2_xattr_bucket *target,
+				      struct ocfs2_xattr_set_ctxt *ctxt)
 {
-	struct ocfs2_xattr_header *first_xh = NULL;
-	struct buffer_head *first_bh = NULL;
 	struct ocfs2_xattr_block *xb =
 			(struct ocfs2_xattr_block *)xb_bh->b_data;
 	struct ocfs2_xattr_tree_root *xb_root = &xb->xb_attrs.xb_root;
 	struct ocfs2_extent_list *el = &xb_root->xt_list;
-	struct ocfs2_xattr_header *xh =
-			(struct ocfs2_xattr_header *)header_bh->b_data;
-	u32 name_hash = le32_to_cpu(xh->xh_entries[0].xe_name_hash);
-	struct super_block *sb = inode->i_sb;
-	struct ocfs2_super *osb = OCFS2_SB(sb);
+	u32 name_hash =
+		le32_to_cpu(bucket_xh(target)->xh_entries[0].xe_name_hash);
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	int ret, num_buckets, extend = 1;
 	u64 p_blkno;
 	u32 e_cpos, num_clusters;
+	/* The bucket at the front of the extent */
+	struct ocfs2_xattr_bucket *first;
 
-	mlog(0, "Add new xattr bucket starting form %llu\n",
-	     (unsigned long long)header_bh->b_blocknr);
+	mlog(0, "Add new xattr bucket starting from %llu\n",
+	     (unsigned long long)bucket_blkno(target));
 
-	/*
-	 * Add refrence for header_bh here because it may be
-	 * changed in ocfs2_add_new_xattr_cluster and we need
-	 * to free it in the end.
-	 */
-	get_bh(header_bh);
+	/* The first bucket of the original extent */
+	first = ocfs2_xattr_bucket_new(inode);
+	if (!first) {
+		ret = -ENOMEM;
+		mlog_errno(ret);
+		goto out;
+	}
 
 	ret = ocfs2_xattr_get_rec(inode, name_hash, &p_blkno, &e_cpos,
 				  &num_clusters, el);
@@ -3885,40 +4448,45 @@
 		goto out;
 	}
 
-	ret = ocfs2_read_block(inode, p_blkno, &first_bh);
+	ret = ocfs2_read_xattr_bucket(first, p_blkno);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
 	num_buckets = ocfs2_xattr_buckets_per_cluster(osb) * num_clusters;
-	first_xh = (struct ocfs2_xattr_header *)first_bh->b_data;
-
-	if (num_buckets == le16_to_cpu(first_xh->xh_num_buckets)) {
+	if (num_buckets == le16_to_cpu(bucket_xh(first)->xh_num_buckets)) {
+		/*
+		 * This can move first+target if the target bucket moves
+		 * to the new extent.
+		 */
 		ret = ocfs2_add_new_xattr_cluster(inode,
 						  xb_bh,
-						  &first_bh,
-						  &header_bh,
+						  first,
+						  target,
 						  &num_clusters,
 						  e_cpos,
-						  p_blkno,
-						  &extend);
+						  &extend,
+						  ctxt);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
 		}
 	}
 
-	if (extend)
+	if (extend) {
 		ret = ocfs2_extend_xattr_bucket(inode,
-						first_bh,
-						header_bh,
+						ctxt->handle,
+						first,
+						bucket_blkno(target),
 						num_clusters);
-	if (ret)
-		mlog_errno(ret);
+		if (ret)
+			mlog_errno(ret);
+	}
+
 out:
-	brelse(first_bh);
-	brelse(header_bh);
+	ocfs2_xattr_bucket_free(first);
+
 	return ret;
 }
 
@@ -3929,7 +4497,7 @@
 	int block_off = offs >> inode->i_sb->s_blocksize_bits;
 
 	offs = offs % inode->i_sb->s_blocksize;
-	return bucket->bhs[block_off]->b_data + offs;
+	return bucket_block(bucket, block_off) + offs;
 }
 
 /*
@@ -3984,7 +4552,7 @@
 				xe->xe_value_size = 0;
 
 			val = ocfs2_xattr_bucket_get_val(inode,
-							 &xs->bucket, offs);
+							 xs->bucket, offs);
 			memset(val + OCFS2_XATTR_SIZE(name_len), 0,
 			       size - OCFS2_XATTR_SIZE(name_len));
 			if (OCFS2_XATTR_SIZE(xi->value_len) > 0)
@@ -4062,8 +4630,7 @@
 		xh->xh_free_start = cpu_to_le16(offs);
 	}
 
-	val = ocfs2_xattr_bucket_get_val(inode,
-					 &xs->bucket, offs - size);
+	val = ocfs2_xattr_bucket_get_val(inode, xs->bucket, offs - size);
 	xe->xe_name_offset = cpu_to_le16(offs - size);
 
 	memset(val, 0, size);
@@ -4079,125 +4646,45 @@
 	return;
 }
 
-static int ocfs2_xattr_bucket_handle_journal(struct inode *inode,
-					     handle_t *handle,
-					     struct ocfs2_xattr_search *xs,
-					     struct buffer_head **bhs,
-					     u16 bh_num)
-{
-	int ret = 0, off, block_off;
-	struct ocfs2_xattr_entry *xe = xs->here;
-
-	/*
-	 * First calculate all the blocks we should journal_access
-	 * and journal_dirty. The first block should always be touched.
-	 */
-	ret = ocfs2_journal_dirty(handle, bhs[0]);
-	if (ret)
-		mlog_errno(ret);
-
-	/* calc the data. */
-	off = le16_to_cpu(xe->xe_name_offset);
-	block_off = off >> inode->i_sb->s_blocksize_bits;
-	ret = ocfs2_journal_dirty(handle, bhs[block_off]);
-	if (ret)
-		mlog_errno(ret);
-
-	return ret;
-}
-
 /*
  * Set the xattr entry in the specified bucket.
  * The bucket is indicated by xs->bucket and it should have the enough
  * space for the xattr insertion.
  */
 static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode,
+					   handle_t *handle,
 					   struct ocfs2_xattr_info *xi,
 					   struct ocfs2_xattr_search *xs,
 					   u32 name_hash,
 					   int local)
 {
-	int i, ret;
-	handle_t *handle = NULL;
-	u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
-	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	int ret;
+	u64 blkno;
 
 	mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n",
 	     (unsigned long)xi->value_len, xi->name_index,
-	     (unsigned long long)xs->bucket.bhs[0]->b_blocknr);
+	     (unsigned long long)bucket_blkno(xs->bucket));
 
-	if (!xs->bucket.bhs[1]) {
-		ret = ocfs2_read_blocks(inode,
-					xs->bucket.bhs[0]->b_blocknr + 1,
-					blk_per_bucket - 1, &xs->bucket.bhs[1],
-					0);
+	if (!xs->bucket->bu_bhs[1]) {
+		blkno = bucket_blkno(xs->bucket);
+		ocfs2_xattr_bucket_relse(xs->bucket);
+		ret = ocfs2_read_xattr_bucket(xs->bucket, blkno);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
 		}
 	}
 
-	handle = ocfs2_start_trans(osb, blk_per_bucket);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		handle = NULL;
+	ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
+						OCFS2_JOURNAL_ACCESS_WRITE);
+	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	for (i = 0; i < blk_per_bucket; i++) {
-		ret = ocfs2_journal_access(handle, inode, xs->bucket.bhs[i],
-					   OCFS2_JOURNAL_ACCESS_WRITE);
-		if (ret < 0) {
-			mlog_errno(ret);
-			goto out;
-		}
-	}
-
 	ocfs2_xattr_set_entry_normal(inode, xi, xs, name_hash, local);
+	ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);
 
-	/*Only dirty the blocks we have touched in set xattr. */
-	ret = ocfs2_xattr_bucket_handle_journal(inode, handle, xs,
-						xs->bucket.bhs, blk_per_bucket);
-	if (ret)
-		mlog_errno(ret);
-out:
-	ocfs2_commit_trans(osb, handle);
-
-	return ret;
-}
-
-static int ocfs2_xattr_value_update_size(struct inode *inode,
-					 struct buffer_head *xe_bh,
-					 struct ocfs2_xattr_entry *xe,
-					 u64 new_size)
-{
-	int ret;
-	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-	handle_t *handle = NULL;
-
-	handle = ocfs2_start_trans(osb, 1);
-	if (IS_ERR(handle)) {
-		ret = -ENOMEM;
-		mlog_errno(ret);
-		goto out;
-	}
-
-	ret = ocfs2_journal_access(handle, inode, xe_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
-	if (ret < 0) {
-		mlog_errno(ret);
-		goto out_commit;
-	}
-
-	xe->xe_value_size = cpu_to_le64(new_size);
-
-	ret = ocfs2_journal_dirty(handle, xe_bh);
-	if (ret < 0)
-		mlog_errno(ret);
-
-out_commit:
-	ocfs2_commit_trans(osb, handle);
 out:
 	return ret;
 }
@@ -4210,18 +4697,19 @@
  * Copy the new updated xe and xe_value_root to new_xe and new_xv if needed.
  */
 static int ocfs2_xattr_bucket_value_truncate(struct inode *inode,
-					     struct buffer_head *header_bh,
+					     struct ocfs2_xattr_bucket *bucket,
 					     int xe_off,
-					     int len)
+					     int len,
+					     struct ocfs2_xattr_set_ctxt *ctxt)
 {
 	int ret, offset;
 	u64 value_blk;
-	struct buffer_head *value_bh = NULL;
-	struct ocfs2_xattr_value_root *xv;
 	struct ocfs2_xattr_entry *xe;
-	struct ocfs2_xattr_header *xh =
-			(struct ocfs2_xattr_header *)header_bh->b_data;
+	struct ocfs2_xattr_header *xh = bucket_xh(bucket);
 	size_t blocksize = inode->i_sb->s_blocksize;
+	struct ocfs2_xattr_value_buf vb = {
+		.vb_access = ocfs2_journal_access,
+	};
 
 	xe = &xh->xh_entries[xe_off];
 
@@ -4234,49 +4722,58 @@
 
 	/* We don't allow ocfs2_xattr_value to be stored in different block. */
 	BUG_ON(value_blk != (offset + OCFS2_XATTR_ROOT_SIZE - 1) / blocksize);
-	value_blk += header_bh->b_blocknr;
 
-	ret = ocfs2_read_block(inode, value_blk, &value_bh);
+	vb.vb_bh = bucket->bu_bhs[value_blk];
+	BUG_ON(!vb.vb_bh);
+
+	vb.vb_xv = (struct ocfs2_xattr_value_root *)
+		(vb.vb_bh->b_data + offset % blocksize);
+
+	ret = ocfs2_xattr_bucket_journal_access(ctxt->handle, bucket,
+						OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	xv = (struct ocfs2_xattr_value_root *)
-		(value_bh->b_data + offset % blocksize);
-
+	/*
+	 * From here on out we have to dirty the bucket.  The generic
+	 * value calls only modify one of the bucket's bhs, but we need
+	 * to send the bucket at once.  So if they error, they *could* have
+	 * modified something.  We have to assume they did, and dirty
+	 * the whole bucket.  This leaves us in a consistent state.
+	 */
 	mlog(0, "truncate %u in xattr bucket %llu to %d bytes.\n",
-	     xe_off, (unsigned long long)header_bh->b_blocknr, len);
-	ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len);
+	     xe_off, (unsigned long long)bucket_blkno(bucket), len);
+	ret = ocfs2_xattr_value_truncate(inode, &vb, len, ctxt);
 	if (ret) {
 		mlog_errno(ret);
-		goto out;
+		goto out_dirty;
 	}
 
-	ret = ocfs2_xattr_value_update_size(inode, header_bh, xe, len);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
+	xe->xe_value_size = cpu_to_le64(len);
+
+out_dirty:
+	ocfs2_xattr_bucket_journal_dirty(ctxt->handle, bucket);
 
 out:
-	brelse(value_bh);
 	return ret;
 }
 
 static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode,
-						struct ocfs2_xattr_search *xs,
-						int len)
+					struct ocfs2_xattr_search *xs,
+					int len,
+					struct ocfs2_xattr_set_ctxt *ctxt)
 {
 	int ret, offset;
 	struct ocfs2_xattr_entry *xe = xs->here;
 	struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)xs->base;
 
-	BUG_ON(!xs->bucket.bhs[0] || !xe || ocfs2_xattr_is_local(xe));
+	BUG_ON(!xs->bucket->bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe));
 
 	offset = xe - xh->xh_entries;
-	ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket.bhs[0],
-						offset, len);
+	ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket,
+						offset, len, ctxt);
 	if (ret)
 		mlog_errno(ret);
 
@@ -4284,6 +4781,7 @@
 }
 
 static int ocfs2_xattr_bucket_set_value_outside(struct inode *inode,
+						handle_t *handle,
 						struct ocfs2_xattr_search *xs,
 						char *val,
 						int value_len)
@@ -4299,7 +4797,8 @@
 
 	xv = (struct ocfs2_xattr_value_root *)(xs->base + offset);
 
-	return __ocfs2_xattr_set_value_outside(inode, xv, val, value_len);
+	return __ocfs2_xattr_set_value_outside(inode, handle,
+					       xv, val, value_len);
 }
 
 static int ocfs2_rm_xattr_cluster(struct inode *inode,
@@ -4343,15 +4842,15 @@
 		}
 	}
 
-	handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
+	handle = ocfs2_start_trans(osb, ocfs2_remove_extent_credits(osb->sb));
 	if (IS_ERR(handle)) {
 		ret = -ENOMEM;
 		mlog_errno(ret);
 		goto out;
 	}
 
-	ret = ocfs2_journal_access(handle, inode, root_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_journal_access_xb(handle, inode, root_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out_commit;
@@ -4392,26 +4891,19 @@
 }
 
 static void ocfs2_xattr_bucket_remove_xs(struct inode *inode,
+					 handle_t *handle,
 					 struct ocfs2_xattr_search *xs)
 {
-	handle_t *handle = NULL;
-	struct ocfs2_xattr_header *xh = xs->bucket.xh;
+	struct ocfs2_xattr_header *xh = bucket_xh(xs->bucket);
 	struct ocfs2_xattr_entry *last = &xh->xh_entries[
 						le16_to_cpu(xh->xh_count) - 1];
 	int ret = 0;
 
-	handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), 1);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		mlog_errno(ret);
-		return;
-	}
-
-	ret = ocfs2_journal_access(handle, inode, xs->bucket.bhs[0],
-				   OCFS2_JOURNAL_ACCESS_WRITE);
+	ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
+						OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
-		goto out_commit;
+		return;
 	}
 
 	/* Remove the old entry. */
@@ -4420,11 +4912,7 @@
 	memset(last, 0, sizeof(struct ocfs2_xattr_entry));
 	le16_add_cpu(&xh->xh_count, -1);
 
-	ret = ocfs2_journal_dirty(handle, xs->bucket.bhs[0]);
-	if (ret < 0)
-		mlog_errno(ret);
-out_commit:
-	ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
+	ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);
 }
 
 /*
@@ -4440,7 +4928,8 @@
  */
 static int ocfs2_xattr_set_in_bucket(struct inode *inode,
 				     struct ocfs2_xattr_info *xi,
-				     struct ocfs2_xattr_search *xs)
+				     struct ocfs2_xattr_search *xs,
+				     struct ocfs2_xattr_set_ctxt *ctxt)
 {
 	int ret, local = 1;
 	size_t value_len;
@@ -4468,7 +4957,8 @@
 			value_len = 0;
 
 		ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs,
-							   value_len);
+							   value_len,
+							   ctxt);
 		if (ret)
 			goto out;
 
@@ -4488,7 +4978,8 @@
 		xi->value_len = OCFS2_XATTR_ROOT_SIZE;
 	}
 
-	ret = ocfs2_xattr_set_entry_in_bucket(inode, xi, xs, name_hash, local);
+	ret = ocfs2_xattr_set_entry_in_bucket(inode, ctxt->handle, xi, xs,
+					      name_hash, local);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -4499,7 +4990,7 @@
 
 	/* allocate the space now for the outside block storage. */
 	ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs,
-						   value_len);
+						   value_len, ctxt);
 	if (ret) {
 		mlog_errno(ret);
 
@@ -4509,13 +5000,14 @@
 			 * storage and we have allocated xattr already,
 			 * so need to remove it.
 			 */
-			ocfs2_xattr_bucket_remove_xs(inode, xs);
+			ocfs2_xattr_bucket_remove_xs(inode, ctxt->handle, xs);
 		}
 		goto out;
 	}
 
 set_value_outside:
-	ret = ocfs2_xattr_bucket_set_value_outside(inode, xs, val, value_len);
+	ret = ocfs2_xattr_bucket_set_value_outside(inode, ctxt->handle,
+						   xs, val, value_len);
 out:
 	return ret;
 }
@@ -4530,7 +5022,7 @@
 					      struct ocfs2_xattr_bucket *bucket,
 					      const char *name)
 {
-	struct ocfs2_xattr_header *xh = bucket->xh;
+	struct ocfs2_xattr_header *xh = bucket_xh(bucket);
 	u32 name_hash = ocfs2_xattr_name_hash(inode, name, strlen(name));
 
 	if (name_hash != le32_to_cpu(xh->xh_entries[0].xe_name_hash))
@@ -4540,7 +5032,7 @@
 	    xh->xh_entries[0].xe_name_hash) {
 		mlog(ML_ERROR, "Too much hash collision in xattr bucket %llu, "
 		     "hash = %u\n",
-		     (unsigned long long)bucket->bhs[0]->b_blocknr,
+		     (unsigned long long)bucket_blkno(bucket),
 		     le32_to_cpu(xh->xh_entries[0].xe_name_hash));
 		return -ENOSPC;
 	}
@@ -4550,16 +5042,16 @@
 
 static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
 					     struct ocfs2_xattr_info *xi,
-					     struct ocfs2_xattr_search *xs)
+					     struct ocfs2_xattr_search *xs,
+					     struct ocfs2_xattr_set_ctxt *ctxt)
 {
 	struct ocfs2_xattr_header *xh;
 	struct ocfs2_xattr_entry *xe;
 	u16 count, header_size, xh_free_start;
-	int i, free, max_free, need, old;
+	int free, max_free, need, old;
 	size_t value_size = 0, name_len = strlen(xi->name);
 	size_t blocksize = inode->i_sb->s_blocksize;
 	int ret, allocation = 0;
-	u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
 
 	mlog_entry("Set xattr %s in xattr index block\n", xi->name);
 
@@ -4574,7 +5066,7 @@
 
 	mlog_bug_on_msg(header_size > blocksize, "bucket %llu has header size "
 			"of %u which exceed block size\n",
-			(unsigned long long)xs->bucket.bhs[0]->b_blocknr,
+			(unsigned long long)bucket_blkno(xs->bucket),
 			header_size);
 
 	if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE)
@@ -4614,11 +5106,13 @@
 	mlog(0, "xs->not_found = %d, in xattr bucket %llu: free = %d, "
 	     "need = %d, max_free = %d, xh_free_start = %u, xh_name_value_len ="
 	     " %u\n", xs->not_found,
-	     (unsigned long long)xs->bucket.bhs[0]->b_blocknr,
+	     (unsigned long long)bucket_blkno(xs->bucket),
 	     free, need, max_free, le16_to_cpu(xh->xh_free_start),
 	     le16_to_cpu(xh->xh_name_value_len));
 
-	if (free < need || count == ocfs2_xattr_max_xe_in_bucket(inode->i_sb)) {
+	if (free < need ||
+	    (xs->not_found &&
+	     count == ocfs2_xattr_max_xe_in_bucket(inode->i_sb))) {
 		if (need <= max_free &&
 		    count < ocfs2_xattr_max_xe_in_bucket(inode->i_sb)) {
 			/*
@@ -4626,7 +5120,8 @@
 			 * name/value will be moved, the xe shouldn't be changed
 			 * in xs.
 			 */
-			ret = ocfs2_defrag_xattr_bucket(inode, &xs->bucket);
+			ret = ocfs2_defrag_xattr_bucket(inode, ctxt->handle,
+							xs->bucket);
 			if (ret) {
 				mlog_errno(ret);
 				goto out;
@@ -4658,7 +5153,7 @@
 		 * add a new bucket for the insert.
 		 */
 		ret = ocfs2_check_xattr_bucket_collision(inode,
-							 &xs->bucket,
+							 xs->bucket,
 							 xi->name);
 		if (ret) {
 			mlog_errno(ret);
@@ -4667,17 +5162,21 @@
 
 		ret = ocfs2_add_new_xattr_bucket(inode,
 						 xs->xattr_bh,
-						 xs->bucket.bhs[0]);
+						 xs->bucket,
+						 ctxt);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
 		}
 
-		for (i = 0; i < blk_per_bucket; i++)
-			brelse(xs->bucket.bhs[i]);
-
-		memset(&xs->bucket, 0, sizeof(xs->bucket));
-
+		/*
+		 * ocfs2_add_new_xattr_bucket() will have updated
+		 * xs->bucket if it moved, but it will not have updated
+		 * any of the other search fields.  Thus, we drop it and
+		 * re-search.  Everything should be cached, so it'll be
+		 * quick.
+		 */
+		ocfs2_xattr_bucket_relse(xs->bucket);
 		ret = ocfs2_xattr_index_block_find(inode, xs->xattr_bh,
 						   xi->name_index,
 						   xi->name, xs);
@@ -4689,7 +5188,7 @@
 	}
 
 xattr_set:
-	ret = ocfs2_xattr_set_in_bucket(inode, xi, xs);
+	ret = ocfs2_xattr_set_in_bucket(inode, xi, xs, ctxt);
 out:
 	mlog_exit(ret);
 	return ret;
@@ -4700,24 +5199,41 @@
 					void *para)
 {
 	int ret = 0;
-	struct ocfs2_xattr_header *xh = bucket->xh;
+	struct ocfs2_xattr_header *xh = bucket_xh(bucket);
 	u16 i;
 	struct ocfs2_xattr_entry *xe;
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	struct ocfs2_xattr_set_ctxt ctxt = {NULL, NULL,};
+	int credits = ocfs2_remove_extent_credits(osb->sb) +
+		ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+
+
+	ocfs2_init_dealloc_ctxt(&ctxt.dealloc);
 
 	for (i = 0; i < le16_to_cpu(xh->xh_count); i++) {
 		xe = &xh->xh_entries[i];
 		if (ocfs2_xattr_is_local(xe))
 			continue;
 
-		ret = ocfs2_xattr_bucket_value_truncate(inode,
-							bucket->bhs[0],
-							i, 0);
+		ctxt.handle = ocfs2_start_trans(osb, credits);
+		if (IS_ERR(ctxt.handle)) {
+			ret = PTR_ERR(ctxt.handle);
+			mlog_errno(ret);
+			break;
+		}
+
+		ret = ocfs2_xattr_bucket_value_truncate(inode, bucket,
+							i, 0, &ctxt);
+
+		ocfs2_commit_trans(osb, ctxt.handle);
 		if (ret) {
 			mlog_errno(ret);
 			break;
 		}
 	}
 
+	ocfs2_schedule_truncate_log_flush(osb, 1);
+	ocfs2_run_deallocs(osb, &ctxt.dealloc);
 	return ret;
 }
 
@@ -4768,6 +5284,74 @@
 }
 
 /*
+ * 'security' attributes support
+ */
+static size_t ocfs2_xattr_security_list(struct inode *inode, char *list,
+					size_t list_size, const char *name,
+					size_t name_len)
+{
+	const size_t prefix_len = XATTR_SECURITY_PREFIX_LEN;
+	const size_t total_len = prefix_len + name_len + 1;
+
+	if (list && total_len <= list_size) {
+		memcpy(list, XATTR_SECURITY_PREFIX, prefix_len);
+		memcpy(list + prefix_len, name, name_len);
+		list[prefix_len + name_len] = '\0';
+	}
+	return total_len;
+}
+
+static int ocfs2_xattr_security_get(struct inode *inode, const char *name,
+				    void *buffer, size_t size)
+{
+	if (strcmp(name, "") == 0)
+		return -EINVAL;
+	return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_SECURITY, name,
+			       buffer, size);
+}
+
+static int ocfs2_xattr_security_set(struct inode *inode, const char *name,
+				    const void *value, size_t size, int flags)
+{
+	if (strcmp(name, "") == 0)
+		return -EINVAL;
+
+	return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_SECURITY, name, value,
+			       size, flags);
+}
+
+int ocfs2_init_security_get(struct inode *inode,
+			    struct inode *dir,
+			    struct ocfs2_security_xattr_info *si)
+{
+	/* check whether ocfs2 support feature xattr */
+	if (!ocfs2_supports_xattr(OCFS2_SB(dir->i_sb)))
+		return -EOPNOTSUPP;
+	return security_inode_init_security(inode, dir, &si->name, &si->value,
+					    &si->value_len);
+}
+
+int ocfs2_init_security_set(handle_t *handle,
+			    struct inode *inode,
+			    struct buffer_head *di_bh,
+			    struct ocfs2_security_xattr_info *si,
+			    struct ocfs2_alloc_context *xattr_ac,
+			    struct ocfs2_alloc_context *data_ac)
+{
+	return ocfs2_xattr_set_handle(handle, inode, di_bh,
+				     OCFS2_XATTR_INDEX_SECURITY,
+				     si->name, si->value, si->value_len, 0,
+				     xattr_ac, data_ac);
+}
+
+struct xattr_handler ocfs2_xattr_security_handler = {
+	.prefix	= XATTR_SECURITY_PREFIX,
+	.list	= ocfs2_xattr_security_list,
+	.get	= ocfs2_xattr_security_get,
+	.set	= ocfs2_xattr_security_set,
+};
+
+/*
  * 'trusted' attributes support
  */
 static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list,
diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h
index 1d8314c..5a1ebc7 100644
--- a/fs/ocfs2/xattr.h
+++ b/fs/ocfs2/xattr.h
@@ -30,13 +30,58 @@
 	OCFS2_XATTR_MAX
 };
 
+struct ocfs2_security_xattr_info {
+	int enable;
+	char *name;
+	void *value;
+	size_t value_len;
+};
+
 extern struct xattr_handler ocfs2_xattr_user_handler;
 extern struct xattr_handler ocfs2_xattr_trusted_handler;
+extern struct xattr_handler ocfs2_xattr_security_handler;
+#ifdef CONFIG_OCFS2_FS_POSIX_ACL
+extern struct xattr_handler ocfs2_xattr_acl_access_handler;
+extern struct xattr_handler ocfs2_xattr_acl_default_handler;
+#endif
 extern struct xattr_handler *ocfs2_xattr_handlers[];
 
 ssize_t ocfs2_listxattr(struct dentry *, char *, size_t);
+int ocfs2_xattr_get_nolock(struct inode *, struct buffer_head *, int,
+			   const char *, void *, size_t);
 int ocfs2_xattr_set(struct inode *, int, const char *, const void *,
 		    size_t, int);
+int ocfs2_xattr_set_handle(handle_t *, struct inode *, struct buffer_head *,
+			   int, const char *, const void *, size_t, int,
+			   struct ocfs2_alloc_context *,
+			   struct ocfs2_alloc_context *);
 int ocfs2_xattr_remove(struct inode *, struct buffer_head *);
+int ocfs2_init_security_get(struct inode *, struct inode *,
+			    struct ocfs2_security_xattr_info *);
+int ocfs2_init_security_set(handle_t *, struct inode *,
+			    struct buffer_head *,
+			    struct ocfs2_security_xattr_info *,
+			    struct ocfs2_alloc_context *,
+			    struct ocfs2_alloc_context *);
+int ocfs2_calc_security_init(struct inode *,
+			     struct ocfs2_security_xattr_info *,
+			     int *, int *, struct ocfs2_alloc_context **);
+int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *,
+			  int, struct ocfs2_security_xattr_info *,
+			  int *, int *, struct ocfs2_alloc_context **);
+
+/*
+ * xattrs can live inside an inode, as part of an external xattr block,
+ * or inside an xattr bucket, which is the leaf of a tree rooted in an
+ * xattr block.  Some of the xattr calls, especially the value setting
+ * functions, want to treat each of these locations as equal.  Let's wrap
+ * them in a structure that we can pass around instead of raw buffer_heads.
+ */
+struct ocfs2_xattr_value_buf {
+	struct buffer_head		*vb_bh;
+	ocfs2_journal_access_func	vb_access;
+	struct ocfs2_xattr_value_root	*vb_xv;
+};
+
 
 #endif /* OCFS2_XATTR_H */
diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index 6afe57c..633e9dc 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -39,7 +39,6 @@
 	inode->i_mode = mode;
 	inode->i_uid = current_fsuid();
 	inode->i_gid = current_fsgid();
-	inode->i_blocks = 0;
 	inode->i_mapping->a_ops = &omfs_aops;
 
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
diff --git a/fs/open.c b/fs/open.c
index 1cd7d40..d882fd2 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -412,7 +412,7 @@
 	if (((offset + len) > inode->i_sb->s_maxbytes) || ((offset + len) < 0))
 		goto out_fput;
 
-	if (inode->i_op && inode->i_op->fallocate)
+	if (inode->i_op->fallocate)
 		ret = inode->i_op->fallocate(inode, mode, offset, len);
 	else
 		ret = -EOPNOTSUPP;
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c
index d41bdc7..ffcd04f 100644
--- a/fs/openpromfs/inode.c
+++ b/fs/openpromfs/inode.c
@@ -256,9 +256,6 @@
 		break;
 	}
 
-	inode->i_gid = 0;
-	inode->i_uid = 0;
-
 	d_add(dentry, inode);
 	return NULL;
 }
diff --git a/fs/pipe.c b/fs/pipe.c
index aaf797b..8916971 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -1016,10 +1016,7 @@
 		goto err_fdr;
 	fdw = error;
 
-	error = audit_fd_pair(fdr, fdw);
-	if (error < 0)
-		goto err_fdw;
-
+	audit_fd_pair(fdr, fdw);
 	fd_install(fdr, fr);
 	fd_install(fdw, fw);
 	fd[0] = fdr;
@@ -1027,8 +1024,6 @@
 
 	return 0;
 
- err_fdw:
-	put_unused_fd(fdw);
  err_fdr:
 	put_unused_fd(fdr);
  err_read_pipe:
diff --git a/fs/proc/base.c b/fs/proc/base.c
index cad92c1..10fd522 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1426,8 +1426,6 @@
 	if (!ei->pid)
 		goto out_unlock;
 
-	inode->i_uid = 0;
-	inode->i_gid = 0;
 	if (task_dumpable(task)) {
 		rcu_read_lock();
 		cred = __task_cred(task);
@@ -2349,8 +2347,6 @@
 	if (!ei->pid)
 		goto out_iput;
 
-	inode->i_uid = 0;
-	inode->i_gid = 0;
 	inode->i_mode = p->mode;
 	if (S_ISDIR(inode->i_mode))
 		inode->i_nlink = 2;
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 06ed10b..94fcfff 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -31,7 +31,6 @@
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
 	inode->i_flags |= S_PRIVATE; /* tell selinux to ignore this inode */
 	inode->i_mode = table->mode;
-	inode->i_uid = inode->i_gid = 0;
 	if (!table->child) {
 		inode->i_mode |= S_IFREG;
 		inode->i_op = &proc_sys_inode_operations;
diff --git a/fs/quota.c b/fs/quota.c
index b7fe44e..4a8c94f 100644
--- a/fs/quota.c
+++ b/fs/quota.c
@@ -73,7 +73,7 @@
 		case Q_SETQUOTA:
 		case Q_GETQUOTA:
 			/* This is just informative test so we are satisfied without a lock */
-			if (!sb_has_quota_enabled(sb, type))
+			if (!sb_has_quota_active(sb, type))
 				return -ESRCH;
 	}
 
@@ -160,6 +160,9 @@
 	int cnt;
 
 	sb->s_qcop->quota_sync(sb, type);
+
+	if (sb_dqopt(sb)->flags & DQUOT_QUOTA_SYS_FILE)
+		return;
 	/* This is not very clever (and fast) but currently I don't know about
 	 * any other simple way of getting quota data to disk and we must get
 	 * them there for userspace to be visible... */
@@ -175,7 +178,7 @@
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
 		if (type != -1 && cnt != type)
 			continue;
-		if (!sb_has_quota_enabled(sb, cnt))
+		if (!sb_has_quota_active(sb, cnt))
 			continue;
 		mutex_lock_nested(&sb_dqopt(sb)->files[cnt]->i_mutex, I_MUTEX_QUOTA);
 		truncate_inode_pages(&sb_dqopt(sb)->files[cnt]->i_data, 0);
@@ -201,7 +204,7 @@
 		for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
 			if (type != -1 && type != cnt)
 				continue;
-			if (!sb_has_quota_enabled(sb, cnt))
+			if (!sb_has_quota_active(sb, cnt))
 				continue;
 			if (!info_dirty(&sb_dqopt(sb)->info[cnt]) &&
 			    list_empty(&sb_dqopt(sb)->info[cnt].dqi_dirty_list))
@@ -245,7 +248,7 @@
 			__u32 fmt;
 
 			down_read(&sb_dqopt(sb)->dqptr_sem);
-			if (!sb_has_quota_enabled(sb, type)) {
+			if (!sb_has_quota_active(sb, type)) {
 				up_read(&sb_dqopt(sb)->dqptr_sem);
 				return -ESRCH;
 			}
diff --git a/fs/quota_tree.c b/fs/quota_tree.c
new file mode 100644
index 0000000..953404c
--- /dev/null
+++ b/fs/quota_tree.c
@@ -0,0 +1,645 @@
+/*
+ *	vfsv0 quota IO operations on file
+ */
+
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/mount.h>
+#include <linux/dqblk_v2.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/quotaops.h>
+
+#include <asm/byteorder.h>
+
+#include "quota_tree.h"
+
+MODULE_AUTHOR("Jan Kara");
+MODULE_DESCRIPTION("Quota trie support");
+MODULE_LICENSE("GPL");
+
+#define __QUOTA_QT_PARANOIA
+
+typedef char *dqbuf_t;
+
+static int get_index(struct qtree_mem_dqinfo *info, qid_t id, int depth)
+{
+	unsigned int epb = info->dqi_usable_bs >> 2;
+
+	depth = info->dqi_qtree_depth - depth - 1;
+	while (depth--)
+		id /= epb;
+	return id % epb;
+}
+
+/* Number of entries in one blocks */
+static inline int qtree_dqstr_in_blk(struct qtree_mem_dqinfo *info)
+{
+	return (info->dqi_usable_bs - sizeof(struct qt_disk_dqdbheader))
+	       / info->dqi_entry_size;
+}
+
+static dqbuf_t getdqbuf(size_t size)
+{
+	dqbuf_t buf = kmalloc(size, GFP_NOFS);
+	if (!buf)
+		printk(KERN_WARNING "VFS: Not enough memory for quota buffers.\n");
+	return buf;
+}
+
+static inline void freedqbuf(dqbuf_t buf)
+{
+	kfree(buf);
+}
+
+static inline ssize_t read_blk(struct qtree_mem_dqinfo *info, uint blk, dqbuf_t buf)
+{
+	struct super_block *sb = info->dqi_sb;
+
+	memset(buf, 0, info->dqi_usable_bs);
+	return sb->s_op->quota_read(sb, info->dqi_type, (char *)buf,
+	       info->dqi_usable_bs, blk << info->dqi_blocksize_bits);
+}
+
+static inline ssize_t write_blk(struct qtree_mem_dqinfo *info, uint blk, dqbuf_t buf)
+{
+	struct super_block *sb = info->dqi_sb;
+
+	return sb->s_op->quota_write(sb, info->dqi_type, (char *)buf,
+	       info->dqi_usable_bs, blk << info->dqi_blocksize_bits);
+}
+
+/* Remove empty block from list and return it */
+static int get_free_dqblk(struct qtree_mem_dqinfo *info)
+{
+	dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+	struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
+	int ret, blk;
+
+	if (!buf)
+		return -ENOMEM;
+	if (info->dqi_free_blk) {
+		blk = info->dqi_free_blk;
+		ret = read_blk(info, blk, buf);
+		if (ret < 0)
+			goto out_buf;
+		info->dqi_free_blk = le32_to_cpu(dh->dqdh_next_free);
+	}
+	else {
+		memset(buf, 0, info->dqi_usable_bs);
+		/* Assure block allocation... */
+		ret = write_blk(info, info->dqi_blocks, buf);
+		if (ret < 0)
+			goto out_buf;
+		blk = info->dqi_blocks++;
+	}
+	mark_info_dirty(info->dqi_sb, info->dqi_type);
+	ret = blk;
+out_buf:
+	freedqbuf(buf);
+	return ret;
+}
+
+/* Insert empty block to the list */
+static int put_free_dqblk(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk)
+{
+	struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
+	int err;
+
+	dh->dqdh_next_free = cpu_to_le32(info->dqi_free_blk);
+	dh->dqdh_prev_free = cpu_to_le32(0);
+	dh->dqdh_entries = cpu_to_le16(0);
+	err = write_blk(info, blk, buf);
+	if (err < 0)
+		return err;
+	info->dqi_free_blk = blk;
+	mark_info_dirty(info->dqi_sb, info->dqi_type);
+	return 0;
+}
+
+/* Remove given block from the list of blocks with free entries */
+static int remove_free_dqentry(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk)
+{
+	dqbuf_t tmpbuf = getdqbuf(info->dqi_usable_bs);
+	struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
+	uint nextblk = le32_to_cpu(dh->dqdh_next_free);
+	uint prevblk = le32_to_cpu(dh->dqdh_prev_free);
+	int err;
+
+	if (!tmpbuf)
+		return -ENOMEM;
+	if (nextblk) {
+		err = read_blk(info, nextblk, tmpbuf);
+		if (err < 0)
+			goto out_buf;
+		((struct qt_disk_dqdbheader *)tmpbuf)->dqdh_prev_free =
+							dh->dqdh_prev_free;
+		err = write_blk(info, nextblk, tmpbuf);
+		if (err < 0)
+			goto out_buf;
+	}
+	if (prevblk) {
+		err = read_blk(info, prevblk, tmpbuf);
+		if (err < 0)
+			goto out_buf;
+		((struct qt_disk_dqdbheader *)tmpbuf)->dqdh_next_free =
+							dh->dqdh_next_free;
+		err = write_blk(info, prevblk, tmpbuf);
+		if (err < 0)
+			goto out_buf;
+	} else {
+		info->dqi_free_entry = nextblk;
+		mark_info_dirty(info->dqi_sb, info->dqi_type);
+	}
+	freedqbuf(tmpbuf);
+	dh->dqdh_next_free = dh->dqdh_prev_free = cpu_to_le32(0);
+	/* No matter whether write succeeds block is out of list */
+	if (write_blk(info, blk, buf) < 0)
+		printk(KERN_ERR "VFS: Can't write block (%u) with free entries.\n", blk);
+	return 0;
+out_buf:
+	freedqbuf(tmpbuf);
+	return err;
+}
+
+/* Insert given block to the beginning of list with free entries */
+static int insert_free_dqentry(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk)
+{
+	dqbuf_t tmpbuf = getdqbuf(info->dqi_usable_bs);
+	struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
+	int err;
+
+	if (!tmpbuf)
+		return -ENOMEM;
+	dh->dqdh_next_free = cpu_to_le32(info->dqi_free_entry);
+	dh->dqdh_prev_free = cpu_to_le32(0);
+	err = write_blk(info, blk, buf);
+	if (err < 0)
+		goto out_buf;
+	if (info->dqi_free_entry) {
+		err = read_blk(info, info->dqi_free_entry, tmpbuf);
+		if (err < 0)
+			goto out_buf;
+		((struct qt_disk_dqdbheader *)tmpbuf)->dqdh_prev_free =
+							cpu_to_le32(blk);
+		err = write_blk(info, info->dqi_free_entry, tmpbuf);
+		if (err < 0)
+			goto out_buf;
+	}
+	freedqbuf(tmpbuf);
+	info->dqi_free_entry = blk;
+	mark_info_dirty(info->dqi_sb, info->dqi_type);
+	return 0;
+out_buf:
+	freedqbuf(tmpbuf);
+	return err;
+}
+
+/* Is the entry in the block free? */
+int qtree_entry_unused(struct qtree_mem_dqinfo *info, char *disk)
+{
+	int i;
+
+	for (i = 0; i < info->dqi_entry_size; i++)
+		if (disk[i])
+			return 0;
+	return 1;
+}
+EXPORT_SYMBOL(qtree_entry_unused);
+
+/* Find space for dquot */
+static uint find_free_dqentry(struct qtree_mem_dqinfo *info,
+			      struct dquot *dquot, int *err)
+{
+	uint blk, i;
+	struct qt_disk_dqdbheader *dh;
+	dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+	char *ddquot;
+
+	*err = 0;
+	if (!buf) {
+		*err = -ENOMEM;
+		return 0;
+	}
+	dh = (struct qt_disk_dqdbheader *)buf;
+	if (info->dqi_free_entry) {
+		blk = info->dqi_free_entry;
+		*err = read_blk(info, blk, buf);
+		if (*err < 0)
+			goto out_buf;
+	} else {
+		blk = get_free_dqblk(info);
+		if ((int)blk < 0) {
+			*err = blk;
+			freedqbuf(buf);
+			return 0;
+		}
+		memset(buf, 0, info->dqi_usable_bs);
+		/* This is enough as block is already zeroed and entry list is empty... */
+		info->dqi_free_entry = blk;
+		mark_info_dirty(dquot->dq_sb, dquot->dq_type);
+	}
+	/* Block will be full? */
+	if (le16_to_cpu(dh->dqdh_entries) + 1 >= qtree_dqstr_in_blk(info)) {
+		*err = remove_free_dqentry(info, buf, blk);
+		if (*err < 0) {
+			printk(KERN_ERR "VFS: find_free_dqentry(): Can't "
+			       "remove block (%u) from entry free list.\n",
+			       blk);
+			goto out_buf;
+		}
+	}
+	le16_add_cpu(&dh->dqdh_entries, 1);
+	/* Find free structure in block */
+	for (i = 0, ddquot = ((char *)buf) + sizeof(struct qt_disk_dqdbheader);
+	     i < qtree_dqstr_in_blk(info) && !qtree_entry_unused(info, ddquot);
+	     i++, ddquot += info->dqi_entry_size);
+#ifdef __QUOTA_QT_PARANOIA
+	if (i == qtree_dqstr_in_blk(info)) {
+		printk(KERN_ERR "VFS: find_free_dqentry(): Data block full "
+				"but it shouldn't.\n");
+		*err = -EIO;
+		goto out_buf;
+	}
+#endif
+	*err = write_blk(info, blk, buf);
+	if (*err < 0) {
+		printk(KERN_ERR "VFS: find_free_dqentry(): Can't write quota "
+				"data block %u.\n", blk);
+		goto out_buf;
+	}
+	dquot->dq_off = (blk << info->dqi_blocksize_bits) +
+			sizeof(struct qt_disk_dqdbheader) +
+			i * info->dqi_entry_size;
+	freedqbuf(buf);
+	return blk;
+out_buf:
+	freedqbuf(buf);
+	return 0;
+}
+
+/* Insert reference to structure into the trie */
+static int do_insert_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
+			  uint *treeblk, int depth)
+{
+	dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+	int ret = 0, newson = 0, newact = 0;
+	__le32 *ref;
+	uint newblk;
+
+	if (!buf)
+		return -ENOMEM;
+	if (!*treeblk) {
+		ret = get_free_dqblk(info);
+		if (ret < 0)
+			goto out_buf;
+		*treeblk = ret;
+		memset(buf, 0, info->dqi_usable_bs);
+		newact = 1;
+	} else {
+		ret = read_blk(info, *treeblk, buf);
+		if (ret < 0) {
+			printk(KERN_ERR "VFS: Can't read tree quota block "
+					"%u.\n", *treeblk);
+			goto out_buf;
+		}
+	}
+	ref = (__le32 *)buf;
+	newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);
+	if (!newblk)
+		newson = 1;
+	if (depth == info->dqi_qtree_depth - 1) {
+#ifdef __QUOTA_QT_PARANOIA
+		if (newblk) {
+			printk(KERN_ERR "VFS: Inserting already present quota "
+					"entry (block %u).\n",
+			       le32_to_cpu(ref[get_index(info,
+						dquot->dq_id, depth)]));
+			ret = -EIO;
+			goto out_buf;
+		}
+#endif
+		newblk = find_free_dqentry(info, dquot, &ret);
+	} else {
+		ret = do_insert_tree(info, dquot, &newblk, depth+1);
+	}
+	if (newson && ret >= 0) {
+		ref[get_index(info, dquot->dq_id, depth)] =
+							cpu_to_le32(newblk);
+		ret = write_blk(info, *treeblk, buf);
+	} else if (newact && ret < 0) {
+		put_free_dqblk(info, buf, *treeblk);
+	}
+out_buf:
+	freedqbuf(buf);
+	return ret;
+}
+
+/* Wrapper for inserting quota structure into tree */
+static inline int dq_insert_tree(struct qtree_mem_dqinfo *info,
+				 struct dquot *dquot)
+{
+	int tmp = QT_TREEOFF;
+	return do_insert_tree(info, dquot, &tmp, 0);
+}
+
+/*
+ *	We don't have to be afraid of deadlocks as we never have quotas on quota files...
+ */
+int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
+{
+	int type = dquot->dq_type;
+	struct super_block *sb = dquot->dq_sb;
+	ssize_t ret;
+	dqbuf_t ddquot = getdqbuf(info->dqi_entry_size);
+
+	if (!ddquot)
+		return -ENOMEM;
+
+	/* dq_off is guarded by dqio_mutex */
+	if (!dquot->dq_off) {
+		ret = dq_insert_tree(info, dquot);
+		if (ret < 0) {
+			printk(KERN_ERR "VFS: Error %zd occurred while "
+					"creating quota.\n", ret);
+			freedqbuf(ddquot);
+			return ret;
+		}
+	}
+	spin_lock(&dq_data_lock);
+	info->dqi_ops->mem2disk_dqblk(ddquot, dquot);
+	spin_unlock(&dq_data_lock);
+	ret = sb->s_op->quota_write(sb, type, (char *)ddquot,
+					info->dqi_entry_size, dquot->dq_off);
+	if (ret != info->dqi_entry_size) {
+		printk(KERN_WARNING "VFS: dquota write failed on dev %s\n",
+		       sb->s_id);
+		if (ret >= 0)
+			ret = -ENOSPC;
+	} else {
+		ret = 0;
+	}
+	dqstats.writes++;
+	freedqbuf(ddquot);
+
+	return ret;
+}
+EXPORT_SYMBOL(qtree_write_dquot);
+
+/* Free dquot entry in data block */
+static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot,
+			uint blk)
+{
+	struct qt_disk_dqdbheader *dh;
+	dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+	int ret = 0;
+
+	if (!buf)
+		return -ENOMEM;
+	if (dquot->dq_off >> info->dqi_blocksize_bits != blk) {
+		printk(KERN_ERR "VFS: Quota structure has offset to other "
+		  "block (%u) than it should (%u).\n", blk,
+		  (uint)(dquot->dq_off >> info->dqi_blocksize_bits));
+		goto out_buf;
+	}
+	ret = read_blk(info, blk, buf);
+	if (ret < 0) {
+		printk(KERN_ERR "VFS: Can't read quota data block %u\n", blk);
+		goto out_buf;
+	}
+	dh = (struct qt_disk_dqdbheader *)buf;
+	le16_add_cpu(&dh->dqdh_entries, -1);
+	if (!le16_to_cpu(dh->dqdh_entries)) {	/* Block got free? */
+		ret = remove_free_dqentry(info, buf, blk);
+		if (ret >= 0)
+			ret = put_free_dqblk(info, buf, blk);
+		if (ret < 0) {
+			printk(KERN_ERR "VFS: Can't move quota data block (%u) "
+			  "to free list.\n", blk);
+			goto out_buf;
+		}
+	} else {
+		memset(buf +
+		       (dquot->dq_off & ((1 << info->dqi_blocksize_bits) - 1)),
+		       0, info->dqi_entry_size);
+		if (le16_to_cpu(dh->dqdh_entries) ==
+		    qtree_dqstr_in_blk(info) - 1) {
+			/* Insert will write block itself */
+			ret = insert_free_dqentry(info, buf, blk);
+			if (ret < 0) {
+				printk(KERN_ERR "VFS: Can't insert quota data "
+				       "block (%u) to free entry list.\n", blk);
+				goto out_buf;
+			}
+		} else {
+			ret = write_blk(info, blk, buf);
+			if (ret < 0) {
+				printk(KERN_ERR "VFS: Can't write quota data "
+				  "block %u\n", blk);
+				goto out_buf;
+			}
+		}
+	}
+	dquot->dq_off = 0;	/* Quota is now unattached */
+out_buf:
+	freedqbuf(buf);
+	return ret;
+}
+
+/* Remove reference to dquot from tree */
+static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
+		       uint *blk, int depth)
+{
+	dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+	int ret = 0;
+	uint newblk;
+	__le32 *ref = (__le32 *)buf;
+
+	if (!buf)
+		return -ENOMEM;
+	ret = read_blk(info, *blk, buf);
+	if (ret < 0) {
+		printk(KERN_ERR "VFS: Can't read quota data block %u\n", *blk);
+		goto out_buf;
+	}
+	newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);
+	if (depth == info->dqi_qtree_depth - 1) {
+		ret = free_dqentry(info, dquot, newblk);
+		newblk = 0;
+	} else {
+		ret = remove_tree(info, dquot, &newblk, depth+1);
+	}
+	if (ret >= 0 && !newblk) {
+		int i;
+		ref[get_index(info, dquot->dq_id, depth)] = cpu_to_le32(0);
+		/* Block got empty? */
+		for (i = 0;
+		     i < (info->dqi_usable_bs >> 2) && !ref[i];
+		     i++);
+		/* Don't put the root block into the free block list */
+		if (i == (info->dqi_usable_bs >> 2)
+		    && *blk != QT_TREEOFF) {
+			put_free_dqblk(info, buf, *blk);
+			*blk = 0;
+		} else {
+			ret = write_blk(info, *blk, buf);
+			if (ret < 0)
+				printk(KERN_ERR "VFS: Can't write quota tree "
+				  "block %u.\n", *blk);
+		}
+	}
+out_buf:
+	freedqbuf(buf);
+	return ret;
+}
+
+/* Delete dquot from tree */
+int qtree_delete_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
+{
+	uint tmp = QT_TREEOFF;
+
+	if (!dquot->dq_off)	/* Even not allocated? */
+		return 0;
+	return remove_tree(info, dquot, &tmp, 0);
+}
+EXPORT_SYMBOL(qtree_delete_dquot);
+
+/* Find entry in block */
+static loff_t find_block_dqentry(struct qtree_mem_dqinfo *info,
+				 struct dquot *dquot, uint blk)
+{
+	dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+	loff_t ret = 0;
+	int i;
+	char *ddquot;
+
+	if (!buf)
+		return -ENOMEM;
+	ret = read_blk(info, blk, buf);
+	if (ret < 0) {
+		printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
+		goto out_buf;
+	}
+	for (i = 0, ddquot = ((char *)buf) + sizeof(struct qt_disk_dqdbheader);
+	     i < qtree_dqstr_in_blk(info) && !info->dqi_ops->is_id(ddquot, dquot);
+	     i++, ddquot += info->dqi_entry_size);
+	if (i == qtree_dqstr_in_blk(info)) {
+		printk(KERN_ERR "VFS: Quota for id %u referenced "
+		  "but not present.\n", dquot->dq_id);
+		ret = -EIO;
+		goto out_buf;
+	} else {
+		ret = (blk << info->dqi_blocksize_bits) + sizeof(struct
+		  qt_disk_dqdbheader) + i * info->dqi_entry_size;
+	}
+out_buf:
+	freedqbuf(buf);
+	return ret;
+}
+
+/* Find entry for given id in the tree */
+static loff_t find_tree_dqentry(struct qtree_mem_dqinfo *info,
+				struct dquot *dquot, uint blk, int depth)
+{
+	dqbuf_t buf = getdqbuf(info->dqi_usable_bs);
+	loff_t ret = 0;
+	__le32 *ref = (__le32 *)buf;
+
+	if (!buf)
+		return -ENOMEM;
+	ret = read_blk(info, blk, buf);
+	if (ret < 0) {
+		printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
+		goto out_buf;
+	}
+	ret = 0;
+	blk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);
+	if (!blk)	/* No reference? */
+		goto out_buf;
+	if (depth < info->dqi_qtree_depth - 1)
+		ret = find_tree_dqentry(info, dquot, blk, depth+1);
+	else
+		ret = find_block_dqentry(info, dquot, blk);
+out_buf:
+	freedqbuf(buf);
+	return ret;
+}
+
+/* Find entry for given id in the tree - wrapper function */
+static inline loff_t find_dqentry(struct qtree_mem_dqinfo *info,
+				  struct dquot *dquot)
+{
+	return find_tree_dqentry(info, dquot, QT_TREEOFF, 0);
+}
+
+int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
+{
+	int type = dquot->dq_type;
+	struct super_block *sb = dquot->dq_sb;
+	loff_t offset;
+	dqbuf_t ddquot;
+	int ret = 0;
+
+#ifdef __QUOTA_QT_PARANOIA
+	/* Invalidated quota? */
+	if (!sb_dqopt(dquot->dq_sb)->files[type]) {
+		printk(KERN_ERR "VFS: Quota invalidated while reading!\n");
+		return -EIO;
+	}
+#endif
+	/* Do we know offset of the dquot entry in the quota file? */
+	if (!dquot->dq_off) {
+		offset = find_dqentry(info, dquot);
+		if (offset <= 0) {	/* Entry not present? */
+			if (offset < 0)
+				printk(KERN_ERR "VFS: Can't read quota "
+				  "structure for id %u.\n", dquot->dq_id);
+			dquot->dq_off = 0;
+			set_bit(DQ_FAKE_B, &dquot->dq_flags);
+			memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));
+			ret = offset;
+			goto out;
+		}
+		dquot->dq_off = offset;
+	}
+	ddquot = getdqbuf(info->dqi_entry_size);
+	if (!ddquot)
+		return -ENOMEM;
+	ret = sb->s_op->quota_read(sb, type, (char *)ddquot,
+				   info->dqi_entry_size, dquot->dq_off);
+	if (ret != info->dqi_entry_size) {
+		if (ret >= 0)
+			ret = -EIO;
+		printk(KERN_ERR "VFS: Error while reading quota "
+				"structure for id %u.\n", dquot->dq_id);
+		set_bit(DQ_FAKE_B, &dquot->dq_flags);
+		memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));
+		freedqbuf(ddquot);
+		goto out;
+	}
+	spin_lock(&dq_data_lock);
+	info->dqi_ops->disk2mem_dqblk(dquot, ddquot);
+	if (!dquot->dq_dqb.dqb_bhardlimit &&
+	    !dquot->dq_dqb.dqb_bsoftlimit &&
+	    !dquot->dq_dqb.dqb_ihardlimit &&
+	    !dquot->dq_dqb.dqb_isoftlimit)
+		set_bit(DQ_FAKE_B, &dquot->dq_flags);
+	spin_unlock(&dq_data_lock);
+	freedqbuf(ddquot);
+out:
+	dqstats.reads++;
+	return ret;
+}
+EXPORT_SYMBOL(qtree_read_dquot);
+
+/* Check whether dquot should not be deleted. We know we are
+ * the only one operating on dquot (thanks to dq_lock) */
+int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
+{
+	if (test_bit(DQ_FAKE_B, &dquot->dq_flags) && !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace))
+		return qtree_delete_dquot(info, dquot);
+	return 0;
+}
+EXPORT_SYMBOL(qtree_release_dquot);
diff --git a/fs/quota_tree.h b/fs/quota_tree.h
new file mode 100644
index 0000000..a1ab8db
--- /dev/null
+++ b/fs/quota_tree.h
@@ -0,0 +1,25 @@
+/*
+ *	Definitions of structures for vfsv0 quota format
+ */
+
+#ifndef _LINUX_QUOTA_TREE_H
+#define _LINUX_QUOTA_TREE_H
+
+#include <linux/types.h>
+#include <linux/quota.h>
+
+/*
+ *  Structure of header of block with quota structures. It is padded to 16 bytes so
+ *  there will be space for exactly 21 quota-entries in a block
+ */
+struct qt_disk_dqdbheader {
+	__le32 dqdh_next_free;	/* Number of next block with free entry */
+	__le32 dqdh_prev_free;	/* Number of previous block with free entry */
+	__le16 dqdh_entries;	/* Number of valid entries in block */
+	__le16 dqdh_pad1;
+	__le32 dqdh_pad2;
+};
+
+#define QT_TREEOFF	1		/* Offset of tree in file in blocks */
+
+#endif /* _LINUX_QUOTAIO_TREE_H */
diff --git a/fs/quota_v1.c b/fs/quota_v1.c
index 5ae15b1..b4af1c6 100644
--- a/fs/quota_v1.c
+++ b/fs/quota_v1.c
@@ -3,25 +3,39 @@
 #include <linux/quota.h>
 #include <linux/quotaops.h>
 #include <linux/dqblk_v1.h>
-#include <linux/quotaio_v1.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
 
 #include <asm/byteorder.h>
 
+#include "quotaio_v1.h"
+
 MODULE_AUTHOR("Jan Kara");
 MODULE_DESCRIPTION("Old quota format support");
 MODULE_LICENSE("GPL");
 
+#define QUOTABLOCK_BITS 10
+#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS)
+
+static inline qsize_t v1_stoqb(qsize_t space)
+{
+	return (space + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS;
+}
+
+static inline qsize_t v1_qbtos(qsize_t blocks)
+{
+	return blocks << QUOTABLOCK_BITS;
+}
+
 static void v1_disk2mem_dqblk(struct mem_dqblk *m, struct v1_disk_dqblk *d)
 {
 	m->dqb_ihardlimit = d->dqb_ihardlimit;
 	m->dqb_isoftlimit = d->dqb_isoftlimit;
 	m->dqb_curinodes = d->dqb_curinodes;
-	m->dqb_bhardlimit = d->dqb_bhardlimit;
-	m->dqb_bsoftlimit = d->dqb_bsoftlimit;
-	m->dqb_curspace = ((qsize_t)d->dqb_curblocks) << QUOTABLOCK_BITS;
+	m->dqb_bhardlimit = v1_qbtos(d->dqb_bhardlimit);
+	m->dqb_bsoftlimit = v1_qbtos(d->dqb_bsoftlimit);
+	m->dqb_curspace = v1_qbtos(d->dqb_curblocks);
 	m->dqb_itime = d->dqb_itime;
 	m->dqb_btime = d->dqb_btime;
 }
@@ -31,9 +45,9 @@
 	d->dqb_ihardlimit = m->dqb_ihardlimit;
 	d->dqb_isoftlimit = m->dqb_isoftlimit;
 	d->dqb_curinodes = m->dqb_curinodes;
-	d->dqb_bhardlimit = m->dqb_bhardlimit;
-	d->dqb_bsoftlimit = m->dqb_bsoftlimit;
-	d->dqb_curblocks = toqb(m->dqb_curspace);
+	d->dqb_bhardlimit = v1_stoqb(m->dqb_bhardlimit);
+	d->dqb_bsoftlimit = v1_stoqb(m->dqb_bsoftlimit);
+	d->dqb_curblocks = v1_stoqb(m->dqb_curspace);
 	d->dqb_itime = m->dqb_itime;
 	d->dqb_btime = m->dqb_btime;
 }
diff --git a/fs/quota_v2.c b/fs/quota_v2.c
index b53827d..b618b56 100644
--- a/fs/quota_v2.c
+++ b/fs/quota_v2.c
@@ -6,7 +6,6 @@
 #include <linux/fs.h>
 #include <linux/mount.h>
 #include <linux/dqblk_v2.h>
-#include <linux/quotaio_v2.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
@@ -15,16 +14,37 @@
 
 #include <asm/byteorder.h>
 
+#include "quota_tree.h"
+#include "quotaio_v2.h"
+
 MODULE_AUTHOR("Jan Kara");
 MODULE_DESCRIPTION("Quota format v2 support");
 MODULE_LICENSE("GPL");
 
 #define __QUOTA_V2_PARANOIA
 
-typedef char *dqbuf_t;
+static void v2_mem2diskdqb(void *dp, struct dquot *dquot);
+static void v2_disk2memdqb(struct dquot *dquot, void *dp);
+static int v2_is_id(void *dp, struct dquot *dquot);
 
-#define GETIDINDEX(id, depth) (((id) >> ((V2_DQTREEDEPTH-(depth)-1)*8)) & 0xff)
-#define GETENTRIES(buf) ((struct v2_disk_dqblk *)(((char *)buf)+sizeof(struct v2_disk_dqdbheader)))
+static struct qtree_fmt_operations v2_qtree_ops = {
+	.mem2disk_dqblk = v2_mem2diskdqb,
+	.disk2mem_dqblk = v2_disk2memdqb,
+	.is_id = v2_is_id,
+};
+
+#define QUOTABLOCK_BITS 10
+#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS)
+
+static inline qsize_t v2_stoqb(qsize_t space)
+{
+	return (space + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS;
+}
+
+static inline qsize_t v2_qbtos(qsize_t blocks)
+{
+	return blocks << QUOTABLOCK_BITS;
+}
 
 /* Check whether given file is really vfsv0 quotafile */
 static int v2_check_quota_file(struct super_block *sb, int type)
@@ -50,7 +70,8 @@
 static int v2_read_file_info(struct super_block *sb, int type)
 {
 	struct v2_disk_dqinfo dinfo;
-	struct mem_dqinfo *info = sb_dqopt(sb)->info+type;
+	struct mem_dqinfo *info = sb_dqinfo(sb, type);
+	struct qtree_mem_dqinfo *qinfo;
 	ssize_t size;
 
 	size = sb->s_op->quota_read(sb, type, (char *)&dinfo,
@@ -60,15 +81,29 @@
 			sb->s_id);
 		return -1;
 	}
+	info->dqi_priv = kmalloc(sizeof(struct qtree_mem_dqinfo), GFP_NOFS);
+	if (!info->dqi_priv) {
+		printk(KERN_WARNING
+		       "Not enough memory for quota information structure.\n");
+		return -1;
+	}
+	qinfo = info->dqi_priv;
 	/* limits are stored as unsigned 32-bit data */
 	info->dqi_maxblimit = 0xffffffff;
 	info->dqi_maxilimit = 0xffffffff;
 	info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace);
 	info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace);
 	info->dqi_flags = le32_to_cpu(dinfo.dqi_flags);
-	info->u.v2_i.dqi_blocks = le32_to_cpu(dinfo.dqi_blocks);
-	info->u.v2_i.dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk);
-	info->u.v2_i.dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry);
+	qinfo->dqi_sb = sb;
+	qinfo->dqi_type = type;
+	qinfo->dqi_blocks = le32_to_cpu(dinfo.dqi_blocks);
+	qinfo->dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk);
+	qinfo->dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry);
+	qinfo->dqi_blocksize_bits = V2_DQBLKSIZE_BITS;
+	qinfo->dqi_usable_bs = 1 << V2_DQBLKSIZE_BITS;
+	qinfo->dqi_qtree_depth = qtree_depth(qinfo);
+	qinfo->dqi_entry_size = sizeof(struct v2_disk_dqblk);
+	qinfo->dqi_ops = &v2_qtree_ops;
 	return 0;
 }
 
@@ -76,7 +111,8 @@
 static int v2_write_file_info(struct super_block *sb, int type)
 {
 	struct v2_disk_dqinfo dinfo;
-	struct mem_dqinfo *info = sb_dqopt(sb)->info+type;
+	struct mem_dqinfo *info = sb_dqinfo(sb, type);
+	struct qtree_mem_dqinfo *qinfo = info->dqi_priv;
 	ssize_t size;
 
 	spin_lock(&dq_data_lock);
@@ -85,9 +121,9 @@
 	dinfo.dqi_igrace = cpu_to_le32(info->dqi_igrace);
 	dinfo.dqi_flags = cpu_to_le32(info->dqi_flags & DQF_MASK);
 	spin_unlock(&dq_data_lock);
-	dinfo.dqi_blocks = cpu_to_le32(info->u.v2_i.dqi_blocks);
-	dinfo.dqi_free_blk = cpu_to_le32(info->u.v2_i.dqi_free_blk);
-	dinfo.dqi_free_entry = cpu_to_le32(info->u.v2_i.dqi_free_entry);
+	dinfo.dqi_blocks = cpu_to_le32(qinfo->dqi_blocks);
+	dinfo.dqi_free_blk = cpu_to_le32(qinfo->dqi_free_blk);
+	dinfo.dqi_free_entry = cpu_to_le32(qinfo->dqi_free_entry);
 	size = sb->s_op->quota_write(sb, type, (char *)&dinfo,
 	       sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF);
 	if (size != sizeof(struct v2_disk_dqinfo)) {
@@ -98,574 +134,75 @@
 	return 0;
 }
 
-static void disk2memdqb(struct mem_dqblk *m, struct v2_disk_dqblk *d)
+static void v2_disk2memdqb(struct dquot *dquot, void *dp)
 {
+	struct v2_disk_dqblk *d = dp, empty;
+	struct mem_dqblk *m = &dquot->dq_dqb;
+
 	m->dqb_ihardlimit = le32_to_cpu(d->dqb_ihardlimit);
 	m->dqb_isoftlimit = le32_to_cpu(d->dqb_isoftlimit);
 	m->dqb_curinodes = le32_to_cpu(d->dqb_curinodes);
 	m->dqb_itime = le64_to_cpu(d->dqb_itime);
-	m->dqb_bhardlimit = le32_to_cpu(d->dqb_bhardlimit);
-	m->dqb_bsoftlimit = le32_to_cpu(d->dqb_bsoftlimit);
+	m->dqb_bhardlimit = v2_qbtos(le32_to_cpu(d->dqb_bhardlimit));
+	m->dqb_bsoftlimit = v2_qbtos(le32_to_cpu(d->dqb_bsoftlimit));
 	m->dqb_curspace = le64_to_cpu(d->dqb_curspace);
 	m->dqb_btime = le64_to_cpu(d->dqb_btime);
+	/* We need to escape back all-zero structure */
+	memset(&empty, 0, sizeof(struct v2_disk_dqblk));
+	empty.dqb_itime = cpu_to_le64(1);
+	if (!memcmp(&empty, dp, sizeof(struct v2_disk_dqblk)))
+		m->dqb_itime = 0;
 }
 
-static void mem2diskdqb(struct v2_disk_dqblk *d, struct mem_dqblk *m, qid_t id)
+static void v2_mem2diskdqb(void *dp, struct dquot *dquot)
 {
+	struct v2_disk_dqblk *d = dp;
+	struct mem_dqblk *m = &dquot->dq_dqb;
+	struct qtree_mem_dqinfo *info =
+			sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv;
+
 	d->dqb_ihardlimit = cpu_to_le32(m->dqb_ihardlimit);
 	d->dqb_isoftlimit = cpu_to_le32(m->dqb_isoftlimit);
 	d->dqb_curinodes = cpu_to_le32(m->dqb_curinodes);
 	d->dqb_itime = cpu_to_le64(m->dqb_itime);
-	d->dqb_bhardlimit = cpu_to_le32(m->dqb_bhardlimit);
-	d->dqb_bsoftlimit = cpu_to_le32(m->dqb_bsoftlimit);
+	d->dqb_bhardlimit = cpu_to_le32(v2_stoqb(m->dqb_bhardlimit));
+	d->dqb_bsoftlimit = cpu_to_le32(v2_stoqb(m->dqb_bsoftlimit));
 	d->dqb_curspace = cpu_to_le64(m->dqb_curspace);
 	d->dqb_btime = cpu_to_le64(m->dqb_btime);
-	d->dqb_id = cpu_to_le32(id);
+	d->dqb_id = cpu_to_le32(dquot->dq_id);
+	if (qtree_entry_unused(info, dp))
+		d->dqb_itime = cpu_to_le64(1);
 }
 
-static dqbuf_t getdqbuf(void)
+static int v2_is_id(void *dp, struct dquot *dquot)
 {
-	dqbuf_t buf = kmalloc(V2_DQBLKSIZE, GFP_NOFS);
-	if (!buf)
-		printk(KERN_WARNING "VFS: Not enough memory for quota buffers.\n");
-	return buf;
-}
+	struct v2_disk_dqblk *d = dp;
+	struct qtree_mem_dqinfo *info =
+			sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv;
 
-static inline void freedqbuf(dqbuf_t buf)
-{
-	kfree(buf);
-}
-
-static inline ssize_t read_blk(struct super_block *sb, int type, uint blk, dqbuf_t buf)
-{
-	memset(buf, 0, V2_DQBLKSIZE);
-	return sb->s_op->quota_read(sb, type, (char *)buf,
-	       V2_DQBLKSIZE, blk << V2_DQBLKSIZE_BITS);
-}
-
-static inline ssize_t write_blk(struct super_block *sb, int type, uint blk, dqbuf_t buf)
-{
-	return sb->s_op->quota_write(sb, type, (char *)buf,
-	       V2_DQBLKSIZE, blk << V2_DQBLKSIZE_BITS);
-}
-
-/* Remove empty block from list and return it */
-static int get_free_dqblk(struct super_block *sb, int type)
-{
-	dqbuf_t buf = getdqbuf();
-	struct mem_dqinfo *info = sb_dqinfo(sb, type);
-	struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf;
-	int ret, blk;
-
-	if (!buf)
-		return -ENOMEM;
-	if (info->u.v2_i.dqi_free_blk) {
-		blk = info->u.v2_i.dqi_free_blk;
-		if ((ret = read_blk(sb, type, blk, buf)) < 0)
-			goto out_buf;
-		info->u.v2_i.dqi_free_blk = le32_to_cpu(dh->dqdh_next_free);
-	}
-	else {
-		memset(buf, 0, V2_DQBLKSIZE);
-		/* Assure block allocation... */
-		if ((ret = write_blk(sb, type, info->u.v2_i.dqi_blocks, buf)) < 0)
-			goto out_buf;
-		blk = info->u.v2_i.dqi_blocks++;
-	}
-	mark_info_dirty(sb, type);
-	ret = blk;
-out_buf:
-	freedqbuf(buf);
-	return ret;
-}
-
-/* Insert empty block to the list */
-static int put_free_dqblk(struct super_block *sb, int type, dqbuf_t buf, uint blk)
-{
-	struct mem_dqinfo *info = sb_dqinfo(sb, type);
-	struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf;
-	int err;
-
-	dh->dqdh_next_free = cpu_to_le32(info->u.v2_i.dqi_free_blk);
-	dh->dqdh_prev_free = cpu_to_le32(0);
-	dh->dqdh_entries = cpu_to_le16(0);
-	info->u.v2_i.dqi_free_blk = blk;
-	mark_info_dirty(sb, type);
-	/* Some strange block. We had better leave it... */
-	if ((err = write_blk(sb, type, blk, buf)) < 0)
-		return err;
-	return 0;
-}
-
-/* Remove given block from the list of blocks with free entries */
-static int remove_free_dqentry(struct super_block *sb, int type, dqbuf_t buf, uint blk)
-{
-	dqbuf_t tmpbuf = getdqbuf();
-	struct mem_dqinfo *info = sb_dqinfo(sb, type);
-	struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf;
-	uint nextblk = le32_to_cpu(dh->dqdh_next_free), prevblk = le32_to_cpu(dh->dqdh_prev_free);
-	int err;
-
-	if (!tmpbuf)
-		return -ENOMEM;
-	if (nextblk) {
-		if ((err = read_blk(sb, type, nextblk, tmpbuf)) < 0)
-			goto out_buf;
-		((struct v2_disk_dqdbheader *)tmpbuf)->dqdh_prev_free = dh->dqdh_prev_free;
-		if ((err = write_blk(sb, type, nextblk, tmpbuf)) < 0)
-			goto out_buf;
-	}
-	if (prevblk) {
-		if ((err = read_blk(sb, type, prevblk, tmpbuf)) < 0)
-			goto out_buf;
-		((struct v2_disk_dqdbheader *)tmpbuf)->dqdh_next_free = dh->dqdh_next_free;
-		if ((err = write_blk(sb, type, prevblk, tmpbuf)) < 0)
-			goto out_buf;
-	}
-	else {
-		info->u.v2_i.dqi_free_entry = nextblk;
-		mark_info_dirty(sb, type);
-	}
-	freedqbuf(tmpbuf);
-	dh->dqdh_next_free = dh->dqdh_prev_free = cpu_to_le32(0);
-	/* No matter whether write succeeds block is out of list */
-	if (write_blk(sb, type, blk, buf) < 0)
-		printk(KERN_ERR "VFS: Can't write block (%u) with free entries.\n", blk);
-	return 0;
-out_buf:
-	freedqbuf(tmpbuf);
-	return err;
-}
-
-/* Insert given block to the beginning of list with free entries */
-static int insert_free_dqentry(struct super_block *sb, int type, dqbuf_t buf, uint blk)
-{
-	dqbuf_t tmpbuf = getdqbuf();
-	struct mem_dqinfo *info = sb_dqinfo(sb, type);
-	struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf;
-	int err;
-
-	if (!tmpbuf)
-		return -ENOMEM;
-	dh->dqdh_next_free = cpu_to_le32(info->u.v2_i.dqi_free_entry);
-	dh->dqdh_prev_free = cpu_to_le32(0);
-	if ((err = write_blk(sb, type, blk, buf)) < 0)
-		goto out_buf;
-	if (info->u.v2_i.dqi_free_entry) {
-		if ((err = read_blk(sb, type, info->u.v2_i.dqi_free_entry, tmpbuf)) < 0)
-			goto out_buf;
-		((struct v2_disk_dqdbheader *)tmpbuf)->dqdh_prev_free = cpu_to_le32(blk);
-		if ((err = write_blk(sb, type, info->u.v2_i.dqi_free_entry, tmpbuf)) < 0)
-			goto out_buf;
-	}
-	freedqbuf(tmpbuf);
-	info->u.v2_i.dqi_free_entry = blk;
-	mark_info_dirty(sb, type);
-	return 0;
-out_buf:
-	freedqbuf(tmpbuf);
-	return err;
-}
-
-/* Find space for dquot */
-static uint find_free_dqentry(struct dquot *dquot, int *err)
-{
-	struct super_block *sb = dquot->dq_sb;
-	struct mem_dqinfo *info = sb_dqopt(sb)->info+dquot->dq_type;
-	uint blk, i;
-	struct v2_disk_dqdbheader *dh;
-	struct v2_disk_dqblk *ddquot;
-	struct v2_disk_dqblk fakedquot;
-	dqbuf_t buf;
-
-	*err = 0;
-	if (!(buf = getdqbuf())) {
-		*err = -ENOMEM;
+	if (qtree_entry_unused(info, dp))
 		return 0;
-	}
-	dh = (struct v2_disk_dqdbheader *)buf;
-	ddquot = GETENTRIES(buf);
-	if (info->u.v2_i.dqi_free_entry) {
-		blk = info->u.v2_i.dqi_free_entry;
-		if ((*err = read_blk(sb, dquot->dq_type, blk, buf)) < 0)
-			goto out_buf;
-	}
-	else {
-		blk = get_free_dqblk(sb, dquot->dq_type);
-		if ((int)blk < 0) {
-			*err = blk;
-			freedqbuf(buf);
-			return 0;
-		}
-		memset(buf, 0, V2_DQBLKSIZE);
-		/* This is enough as block is already zeroed and entry list is empty... */
-		info->u.v2_i.dqi_free_entry = blk;
-		mark_info_dirty(sb, dquot->dq_type);
-	}
-	if (le16_to_cpu(dh->dqdh_entries)+1 >= V2_DQSTRINBLK)	/* Block will be full? */
-		if ((*err = remove_free_dqentry(sb, dquot->dq_type, buf, blk)) < 0) {
-			printk(KERN_ERR "VFS: find_free_dqentry(): Can't remove block (%u) from entry free list.\n", blk);
-			goto out_buf;
-		}
-	le16_add_cpu(&dh->dqdh_entries, 1);
-	memset(&fakedquot, 0, sizeof(struct v2_disk_dqblk));
-	/* Find free structure in block */
-	for (i = 0; i < V2_DQSTRINBLK && memcmp(&fakedquot, ddquot+i, sizeof(struct v2_disk_dqblk)); i++);
-#ifdef __QUOTA_V2_PARANOIA
-	if (i == V2_DQSTRINBLK) {
-		printk(KERN_ERR "VFS: find_free_dqentry(): Data block full but it shouldn't.\n");
-		*err = -EIO;
-		goto out_buf;
-	}
-#endif
-	if ((*err = write_blk(sb, dquot->dq_type, blk, buf)) < 0) {
-		printk(KERN_ERR "VFS: find_free_dqentry(): Can't write quota data block %u.\n", blk);
-		goto out_buf;
-	}
-	dquot->dq_off = (blk<<V2_DQBLKSIZE_BITS)+sizeof(struct v2_disk_dqdbheader)+i*sizeof(struct v2_disk_dqblk);
-	freedqbuf(buf);
-	return blk;
-out_buf:
-	freedqbuf(buf);
-	return 0;
-}
-
-/* Insert reference to structure into the trie */
-static int do_insert_tree(struct dquot *dquot, uint *treeblk, int depth)
-{
-	struct super_block *sb = dquot->dq_sb;
-	dqbuf_t buf;
-	int ret = 0, newson = 0, newact = 0;
-	__le32 *ref;
-	uint newblk;
-
-	if (!(buf = getdqbuf()))
-		return -ENOMEM;
-	if (!*treeblk) {
-		ret = get_free_dqblk(sb, dquot->dq_type);
-		if (ret < 0)
-			goto out_buf;
-		*treeblk = ret;
-		memset(buf, 0, V2_DQBLKSIZE);
-		newact = 1;
-	}
-	else {
-		if ((ret = read_blk(sb, dquot->dq_type, *treeblk, buf)) < 0) {
-			printk(KERN_ERR "VFS: Can't read tree quota block %u.\n", *treeblk);
-			goto out_buf;
-		}
-	}
-	ref = (__le32 *)buf;
-	newblk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]);
-	if (!newblk)
-		newson = 1;
-	if (depth == V2_DQTREEDEPTH-1) {
-#ifdef __QUOTA_V2_PARANOIA
-		if (newblk) {
-			printk(KERN_ERR "VFS: Inserting already present quota entry (block %u).\n", le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]));
-			ret = -EIO;
-			goto out_buf;
-		}
-#endif
-		newblk = find_free_dqentry(dquot, &ret);
-	}
-	else
-		ret = do_insert_tree(dquot, &newblk, depth+1);
-	if (newson && ret >= 0) {
-		ref[GETIDINDEX(dquot->dq_id, depth)] = cpu_to_le32(newblk);
-		ret = write_blk(sb, dquot->dq_type, *treeblk, buf);
-	}
-	else if (newact && ret < 0)
-		put_free_dqblk(sb, dquot->dq_type, buf, *treeblk);
-out_buf:
-	freedqbuf(buf);
-	return ret;
-}
-
-/* Wrapper for inserting quota structure into tree */
-static inline int dq_insert_tree(struct dquot *dquot)
-{
-	int tmp = V2_DQTREEOFF;
-	return do_insert_tree(dquot, &tmp, 0);
-}
-
-/*
- *	We don't have to be afraid of deadlocks as we never have quotas on quota files...
- */
-static int v2_write_dquot(struct dquot *dquot)
-{
-	int type = dquot->dq_type;
-	ssize_t ret;
-	struct v2_disk_dqblk ddquot, empty;
-
-	/* dq_off is guarded by dqio_mutex */
-	if (!dquot->dq_off)
-		if ((ret = dq_insert_tree(dquot)) < 0) {
-			printk(KERN_ERR "VFS: Error %zd occurred while creating quota.\n", ret);
-			return ret;
-		}
-	spin_lock(&dq_data_lock);
-	mem2diskdqb(&ddquot, &dquot->dq_dqb, dquot->dq_id);
-	/* Argh... We may need to write structure full of zeroes but that would be
-	 * treated as an empty place by the rest of the code. Format change would
-	 * be definitely cleaner but the problems probably are not worth it */
-	memset(&empty, 0, sizeof(struct v2_disk_dqblk));
-	if (!memcmp(&empty, &ddquot, sizeof(struct v2_disk_dqblk)))
-		ddquot.dqb_itime = cpu_to_le64(1);
-	spin_unlock(&dq_data_lock);
-	ret = dquot->dq_sb->s_op->quota_write(dquot->dq_sb, type,
-	      (char *)&ddquot, sizeof(struct v2_disk_dqblk), dquot->dq_off);
-	if (ret != sizeof(struct v2_disk_dqblk)) {
-		printk(KERN_WARNING "VFS: dquota write failed on dev %s\n", dquot->dq_sb->s_id);
-		if (ret >= 0)
-			ret = -ENOSPC;
-	}
-	else
-		ret = 0;
-	dqstats.writes++;
-
-	return ret;
-}
-
-/* Free dquot entry in data block */
-static int free_dqentry(struct dquot *dquot, uint blk)
-{
-	struct super_block *sb = dquot->dq_sb;
-	int type = dquot->dq_type;
-	struct v2_disk_dqdbheader *dh;
-	dqbuf_t buf = getdqbuf();
-	int ret = 0;
-
-	if (!buf)
-		return -ENOMEM;
-	if (dquot->dq_off >> V2_DQBLKSIZE_BITS != blk) {
-		printk(KERN_ERR "VFS: Quota structure has offset to other "
-		  "block (%u) than it should (%u).\n", blk,
-		  (uint)(dquot->dq_off >> V2_DQBLKSIZE_BITS));
-		goto out_buf;
-	}
-	if ((ret = read_blk(sb, type, blk, buf)) < 0) {
-		printk(KERN_ERR "VFS: Can't read quota data block %u\n", blk);
-		goto out_buf;
-	}
-	dh = (struct v2_disk_dqdbheader *)buf;
-	le16_add_cpu(&dh->dqdh_entries, -1);
-	if (!le16_to_cpu(dh->dqdh_entries)) {	/* Block got free? */
-		if ((ret = remove_free_dqentry(sb, type, buf, blk)) < 0 ||
-		    (ret = put_free_dqblk(sb, type, buf, blk)) < 0) {
-			printk(KERN_ERR "VFS: Can't move quota data block (%u) "
-			  "to free list.\n", blk);
-			goto out_buf;
-		}
-	}
-	else {
-		memset(buf+(dquot->dq_off & ((1 << V2_DQBLKSIZE_BITS)-1)), 0,
-		  sizeof(struct v2_disk_dqblk));
-		if (le16_to_cpu(dh->dqdh_entries) == V2_DQSTRINBLK-1) {
-			/* Insert will write block itself */
-			if ((ret = insert_free_dqentry(sb, type, buf, blk)) < 0) {
-				printk(KERN_ERR "VFS: Can't insert quota data block (%u) to free entry list.\n", blk);
-				goto out_buf;
-			}
-		}
-		else
-			if ((ret = write_blk(sb, type, blk, buf)) < 0) {
-				printk(KERN_ERR "VFS: Can't write quota data "
-				  "block %u\n", blk);
-				goto out_buf;
-			}
-	}
-	dquot->dq_off = 0;	/* Quota is now unattached */
-out_buf:
-	freedqbuf(buf);
-	return ret;
-}
-
-/* Remove reference to dquot from tree */
-static int remove_tree(struct dquot *dquot, uint *blk, int depth)
-{
-	struct super_block *sb = dquot->dq_sb;
-	int type = dquot->dq_type;
-	dqbuf_t buf = getdqbuf();
-	int ret = 0;
-	uint newblk;
-	__le32 *ref = (__le32 *)buf;
-	
-	if (!buf)
-		return -ENOMEM;
-	if ((ret = read_blk(sb, type, *blk, buf)) < 0) {
-		printk(KERN_ERR "VFS: Can't read quota data block %u\n", *blk);
-		goto out_buf;
-	}
-	newblk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]);
-	if (depth == V2_DQTREEDEPTH-1) {
-		ret = free_dqentry(dquot, newblk);
-		newblk = 0;
-	}
-	else
-		ret = remove_tree(dquot, &newblk, depth+1);
-	if (ret >= 0 && !newblk) {
-		int i;
-		ref[GETIDINDEX(dquot->dq_id, depth)] = cpu_to_le32(0);
-		for (i = 0; i < V2_DQBLKSIZE && !buf[i]; i++);	/* Block got empty? */
-		/* Don't put the root block into the free block list */
-		if (i == V2_DQBLKSIZE && *blk != V2_DQTREEOFF) {
-			put_free_dqblk(sb, type, buf, *blk);
-			*blk = 0;
-		}
-		else
-			if ((ret = write_blk(sb, type, *blk, buf)) < 0)
-				printk(KERN_ERR "VFS: Can't write quota tree "
-				  "block %u.\n", *blk);
-	}
-out_buf:
-	freedqbuf(buf);
-	return ret;	
-}
-
-/* Delete dquot from tree */
-static int v2_delete_dquot(struct dquot *dquot)
-{
-	uint tmp = V2_DQTREEOFF;
-
-	if (!dquot->dq_off)	/* Even not allocated? */
-		return 0;
-	return remove_tree(dquot, &tmp, 0);
-}
-
-/* Find entry in block */
-static loff_t find_block_dqentry(struct dquot *dquot, uint blk)
-{
-	dqbuf_t buf = getdqbuf();
-	loff_t ret = 0;
-	int i;
-	struct v2_disk_dqblk *ddquot = GETENTRIES(buf);
-
-	if (!buf)
-		return -ENOMEM;
-	if ((ret = read_blk(dquot->dq_sb, dquot->dq_type, blk, buf)) < 0) {
-		printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
-		goto out_buf;
-	}
-	if (dquot->dq_id)
-		for (i = 0; i < V2_DQSTRINBLK &&
-		     le32_to_cpu(ddquot[i].dqb_id) != dquot->dq_id; i++);
-	else {	/* ID 0 as a bit more complicated searching... */
-		struct v2_disk_dqblk fakedquot;
-
-		memset(&fakedquot, 0, sizeof(struct v2_disk_dqblk));
-		for (i = 0; i < V2_DQSTRINBLK; i++)
-			if (!le32_to_cpu(ddquot[i].dqb_id) &&
-			    memcmp(&fakedquot, ddquot+i, sizeof(struct v2_disk_dqblk)))
-				break;
-	}
-	if (i == V2_DQSTRINBLK) {
-		printk(KERN_ERR "VFS: Quota for id %u referenced "
-		  "but not present.\n", dquot->dq_id);
-		ret = -EIO;
-		goto out_buf;
-	}
-	else
-		ret = (blk << V2_DQBLKSIZE_BITS) + sizeof(struct
-		  v2_disk_dqdbheader) + i * sizeof(struct v2_disk_dqblk);
-out_buf:
-	freedqbuf(buf);
-	return ret;
-}
-
-/* Find entry for given id in the tree */
-static loff_t find_tree_dqentry(struct dquot *dquot, uint blk, int depth)
-{
-	dqbuf_t buf = getdqbuf();
-	loff_t ret = 0;
-	__le32 *ref = (__le32 *)buf;
-
-	if (!buf)
-		return -ENOMEM;
-	if ((ret = read_blk(dquot->dq_sb, dquot->dq_type, blk, buf)) < 0) {
-		printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
-		goto out_buf;
-	}
-	ret = 0;
-	blk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]);
-	if (!blk)	/* No reference? */
-		goto out_buf;
-	if (depth < V2_DQTREEDEPTH-1)
-		ret = find_tree_dqentry(dquot, blk, depth+1);
-	else
-		ret = find_block_dqentry(dquot, blk);
-out_buf:
-	freedqbuf(buf);
-	return ret;
-}
-
-/* Find entry for given id in the tree - wrapper function */
-static inline loff_t find_dqentry(struct dquot *dquot)
-{
-	return find_tree_dqentry(dquot, V2_DQTREEOFF, 0);
+	return le32_to_cpu(d->dqb_id) == dquot->dq_id;
 }
 
 static int v2_read_dquot(struct dquot *dquot)
 {
-	int type = dquot->dq_type;
-	loff_t offset;
-	struct v2_disk_dqblk ddquot, empty;
-	int ret = 0;
-
-#ifdef __QUOTA_V2_PARANOIA
-	/* Invalidated quota? */
-	if (!dquot->dq_sb || !sb_dqopt(dquot->dq_sb)->files[type]) {
-		printk(KERN_ERR "VFS: Quota invalidated while reading!\n");
-		return -EIO;
-	}
-#endif
-	offset = find_dqentry(dquot);
-	if (offset <= 0) {	/* Entry not present? */
-		if (offset < 0)
-			printk(KERN_ERR "VFS: Can't read quota "
-			  "structure for id %u.\n", dquot->dq_id);
-		dquot->dq_off = 0;
-		set_bit(DQ_FAKE_B, &dquot->dq_flags);
-		memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));
-		ret = offset;
-	}
-	else {
-		dquot->dq_off = offset;
-		if ((ret = dquot->dq_sb->s_op->quota_read(dquot->dq_sb, type,
-		    (char *)&ddquot, sizeof(struct v2_disk_dqblk), offset))
-		    != sizeof(struct v2_disk_dqblk)) {
-			if (ret >= 0)
-				ret = -EIO;
-			printk(KERN_ERR "VFS: Error while reading quota "
-			  "structure for id %u.\n", dquot->dq_id);
-			memset(&ddquot, 0, sizeof(struct v2_disk_dqblk));
-		}
-		else {
-			ret = 0;
-			/* We need to escape back all-zero structure */
-			memset(&empty, 0, sizeof(struct v2_disk_dqblk));
-			empty.dqb_itime = cpu_to_le64(1);
-			if (!memcmp(&empty, &ddquot, sizeof(struct v2_disk_dqblk)))
-				ddquot.dqb_itime = 0;
-		}
-		disk2memdqb(&dquot->dq_dqb, &ddquot);
-		if (!dquot->dq_dqb.dqb_bhardlimit &&
-			!dquot->dq_dqb.dqb_bsoftlimit &&
-			!dquot->dq_dqb.dqb_ihardlimit &&
-			!dquot->dq_dqb.dqb_isoftlimit)
-			set_bit(DQ_FAKE_B, &dquot->dq_flags);
-	}
-	dqstats.reads++;
-
-	return ret;
+	return qtree_read_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot);
 }
 
-/* Check whether dquot should not be deleted. We know we are
- * the only one operating on dquot (thanks to dq_lock) */
+static int v2_write_dquot(struct dquot *dquot)
+{
+	return qtree_write_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot);
+}
+
 static int v2_release_dquot(struct dquot *dquot)
 {
-	if (test_bit(DQ_FAKE_B, &dquot->dq_flags) && !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace))
-		return v2_delete_dquot(dquot);
+	return qtree_release_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot);
+}
+
+static int v2_free_file_info(struct super_block *sb, int type)
+{
+	kfree(sb_dqinfo(sb, type)->dqi_priv);
 	return 0;
 }
 
@@ -673,7 +210,7 @@
 	.check_quota_file	= v2_check_quota_file,
 	.read_file_info		= v2_read_file_info,
 	.write_file_info	= v2_write_file_info,
-	.free_file_info		= NULL,
+	.free_file_info		= v2_free_file_info,
 	.read_dqblk		= v2_read_dquot,
 	.commit_dqblk		= v2_write_dquot,
 	.release_dqblk		= v2_release_dquot,
diff --git a/include/linux/quotaio_v1.h b/fs/quotaio_v1.h
similarity index 100%
rename from include/linux/quotaio_v1.h
rename to fs/quotaio_v1.h
diff --git a/include/linux/quotaio_v2.h b/fs/quotaio_v2.h
similarity index 68%
rename from include/linux/quotaio_v2.h
rename to fs/quotaio_v2.h
index 303d7cb..530fe58 100644
--- a/include/linux/quotaio_v2.h
+++ b/fs/quotaio_v2.h
@@ -21,6 +21,12 @@
 	0		/* GRPQUOTA */\
 }
 
+/* First generic header */
+struct v2_disk_dqheader {
+	__le32 dqh_magic;	/* Magic number identifying file */
+	__le32 dqh_version;	/* File version */
+};
+
 /*
  * The following structure defines the format of the disk quota file
  * (as it appears on disk) - the file is a radix tree whose leaves point
@@ -38,15 +44,6 @@
 	__le64 dqb_itime;	/* time limit for excessive inode use */
 };
 
-/*
- * Here are header structures as written on disk and their in-memory copies
- */
-/* First generic header */
-struct v2_disk_dqheader {
-	__le32 dqh_magic;	/* Magic number identifying file */
-	__le32 dqh_version;	/* File version */
-};
-
 /* Header with type and version specific information */
 struct v2_disk_dqinfo {
 	__le32 dqi_bgrace;	/* Time before block soft limit becomes hard limit */
@@ -57,23 +54,7 @@
 	__le32 dqi_free_entry;	/* Number of block with at least one free entry */
 };
 
-/*
- *  Structure of header of block with quota structures. It is padded to 16 bytes so
- *  there will be space for exactly 21 quota-entries in a block
- */
-struct v2_disk_dqdbheader {
-	__le32 dqdh_next_free;	/* Number of next block with free entry */
-	__le32 dqdh_prev_free;	/* Number of previous block with free entry */
-	__le16 dqdh_entries;	/* Number of valid entries in block */
-	__le16 dqdh_pad1;
-	__le32 dqdh_pad2;
-};
-
 #define V2_DQINFOOFF	sizeof(struct v2_disk_dqheader)	/* Offset of info header in file */
-#define V2_DQBLKSIZE_BITS	10
-#define V2_DQBLKSIZE	(1 << V2_DQBLKSIZE_BITS)	/* Size of block with quota structures */
-#define V2_DQTREEOFF	1		/* Offset of tree in file in blocks */
-#define V2_DQTREEDEPTH	4		/* Depth of quota tree */
-#define V2_DQSTRINBLK	((V2_DQBLKSIZE - sizeof(struct v2_disk_dqdbheader)) / sizeof(struct v2_disk_dqblk))	/* Number of entries in one blocks */
+#define V2_DQBLKSIZE_BITS 10				/* Size of leaf block in tree */
 
 #endif /* _LINUX_QUOTAIO_V2_H */
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index a83a351..b7e6ac7 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -57,7 +57,6 @@
 		inode->i_mode = mode;
 		inode->i_uid = current_fsuid();
 		inode->i_gid = current_fsgid();
-		inode->i_blocks = 0;
 		inode->i_mapping->a_ops = &ramfs_aops;
 		inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info;
 		mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER);
diff --git a/fs/read_write.c b/fs/read_write.c
index 969a6d9..5cc6924 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -50,6 +50,14 @@
 		offset += inode->i_size;
 		break;
 	case SEEK_CUR:
+		/*
+		 * Here we special-case the lseek(fd, 0, SEEK_CUR)
+		 * position-querying operation.  Avoid rewriting the "same"
+		 * f_pos value back to the file because a concurrent read(),
+		 * write() or lseek() might have altered it
+		 */
+		if (offset == 0)
+			return file->f_pos;
 		offset += file->f_pos;
 		break;
 	}
@@ -105,6 +113,10 @@
 			offset += i_size_read(file->f_path.dentry->d_inode);
 			break;
 		case SEEK_CUR:
+			if (offset == 0) {
+				retval = file->f_pos;
+				goto out;
+			}
 			offset += file->f_pos;
 	}
 	retval = -EINVAL;
@@ -115,6 +127,7 @@
 		}
 		retval = offset;
 	}
+out:
 	unlock_kernel();
 	return retval;
 }
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 145c2d3..55fce92 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1782,6 +1782,12 @@
 		goto out_bad_inode;
 	}
 	args.objectid = inode->i_ino = le32_to_cpu(ih.ih_key.k_objectid);
+	if (old_format_only(sb))
+		make_le_item_head(&ih, NULL, KEY_FORMAT_3_5, SD_OFFSET,
+				  TYPE_STAT_DATA, SD_V1_SIZE, MAX_US_INT);
+	else
+		make_le_item_head(&ih, NULL, KEY_FORMAT_3_6, SD_OFFSET,
+				  TYPE_STAT_DATA, SD_SIZE, MAX_US_INT);
 	memcpy(INODE_PKEY(inode), &(ih.ih_key), KEY_SIZE);
 	args.dirid = le32_to_cpu(ih.ih_key.k_dir_id);
 	if (insert_inode_locked4(inode, args.objectid,
@@ -1834,13 +1840,6 @@
 	reiserfs_init_acl_default(inode);
 	reiserfs_init_xattr_rwsem(inode);
 
-	if (old_format_only(sb))
-		make_le_item_head(&ih, NULL, KEY_FORMAT_3_5, SD_OFFSET,
-				  TYPE_STAT_DATA, SD_V1_SIZE, MAX_US_INT);
-	else
-		make_le_item_head(&ih, NULL, KEY_FORMAT_3_6, SD_OFFSET,
-				  TYPE_STAT_DATA, SD_SIZE, MAX_US_INT);
-
 	/* key to search for correct place for new stat data */
 	_make_cpu_key(&key, KEY_FORMAT_3_6, le32_to_cpu(ih.ih_key.k_dir_id),
 		      le32_to_cpu(ih.ih_key.k_objectid), SD_OFFSET,
@@ -2561,7 +2560,7 @@
 	}
 
 	index = pos >> PAGE_CACHE_SHIFT;
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page)
 		return -ENOMEM;
 	*pagep = page;
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 663a91f..c55651f 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -649,6 +649,8 @@
 	.release_dquot = reiserfs_release_dquot,
 	.mark_dirty = reiserfs_mark_dquot_dirty,
 	.write_info = reiserfs_write_info,
+	.alloc_dquot	= dquot_alloc,
+	.destroy_dquot	= dquot_destroy,
 };
 
 static struct quotactl_ops reiserfs_qctl_operations = {
@@ -994,8 +996,7 @@
 		if (c == 'u' || c == 'g') {
 			int qtype = c == 'u' ? USRQUOTA : GRPQUOTA;
 
-			if ((sb_any_quota_enabled(s) ||
-			     sb_any_quota_suspended(s)) &&
+			if (sb_any_quota_loaded(s) &&
 			    (!*arg != !REISERFS_SB(s)->s_qf_names[qtype])) {
 				reiserfs_warning(s,
 						 "reiserfs_parse_options: cannot change journaled quota options when quota turned on.");
@@ -1041,8 +1042,7 @@
 						 "reiserfs_parse_options: unknown quota format specified.");
 				return 0;
 			}
-			if ((sb_any_quota_enabled(s) ||
-			     sb_any_quota_suspended(s)) &&
+			if (sb_any_quota_loaded(s) &&
 			    *qfmt != REISERFS_SB(s)->s_jquota_fmt) {
 				reiserfs_warning(s,
 						 "reiserfs_parse_options: cannot change journaled quota options when quota turned on.");
@@ -1067,7 +1067,7 @@
 	}
 	/* This checking is not precise wrt the quota type but for our purposes it is sufficient */
 	if (!(*mount_options & (1 << REISERFS_QUOTA))
-	    && sb_any_quota_enabled(s)) {
+	    && sb_any_quota_loaded(s)) {
 		reiserfs_warning(s,
 				 "reiserfs_parse_options: quota options must be present when quota is turned on.");
 		return 0;
diff --git a/fs/romfs/inode.c b/fs/romfs/inode.c
index 60d2f82..c97d4c9 100644
--- a/fs/romfs/inode.c
+++ b/fs/romfs/inode.c
@@ -524,7 +524,6 @@
 	i->i_size = be32_to_cpu(ri.size);
 	i->i_mtime.tv_sec = i->i_atime.tv_sec = i->i_ctime.tv_sec = 0;
 	i->i_mtime.tv_nsec = i->i_atime.tv_nsec = i->i_ctime.tv_nsec = 0;
-	i->i_uid = i->i_gid = 0;
 
         /* Precalculate the data offset */
         ino = romfs_strnlen(i, ino+ROMFH_SIZE, ROMFS_MAXFN);
diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c
index e4f8d51..92d5e8f 100644
--- a/fs/smbfs/file.c
+++ b/fs/smbfs/file.c
@@ -297,7 +297,7 @@
 			struct page **pagep, void **fsdata)
 {
 	pgoff_t index = pos >> PAGE_CACHE_SHIFT;
-	*pagep = __grab_cache_page(mapping, index);
+	*pagep = grab_cache_page_write_begin(mapping, index, flags);
 	if (!*pagep)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/stat.c b/fs/stat.c
index 7c46fbe..7e12a6f8 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -305,7 +305,7 @@
 		struct inode *inode = path.dentry->d_inode;
 
 		error = -EINVAL;
-		if (inode->i_op && inode->i_op->readlink) {
+		if (inode->i_op->readlink) {
 			error = security_inode_readlink(path.dentry);
 			if (!error) {
 				touch_atime(path.mnt, path.dentry);
diff --git a/fs/sync.c b/fs/sync.c
index 2967562..0921d6d 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -75,14 +75,39 @@
 	return ret;
 }
 
-long do_fsync(struct file *file, int datasync)
+/**
+ * vfs_fsync - perform a fsync or fdatasync on a file
+ * @file:		file to sync
+ * @dentry:		dentry of @file
+ * @data:		only perform a fdatasync operation
+ *
+ * Write back data and metadata for @file to disk.  If @datasync is
+ * set only metadata needed to access modified file data is written.
+ *
+ * In case this function is called from nfsd @file may be %NULL and
+ * only @dentry is set.  This can only happen when the filesystem
+ * implements the export_operations API.
+ */
+int vfs_fsync(struct file *file, struct dentry *dentry, int datasync)
 {
-	int ret;
-	int err;
-	struct address_space *mapping = file->f_mapping;
+	const struct file_operations *fop;
+	struct address_space *mapping;
+	int err, ret;
 
-	if (!file->f_op || !file->f_op->fsync) {
-		/* Why?  We can still call filemap_fdatawrite */
+	/*
+	 * Get mapping and operations from the file in case we have
+	 * as file, or get the default values for them in case we
+	 * don't have a struct file available.  Damn nfsd..
+	 */
+	if (file) {
+		mapping = file->f_mapping;
+		fop = file->f_op;
+	} else {
+		mapping = dentry->d_inode->i_mapping;
+		fop = dentry->d_inode->i_fop;
+	}
+
+	if (!fop || !fop->fsync) {
 		ret = -EINVAL;
 		goto out;
 	}
@@ -94,7 +119,7 @@
 	 * livelocks in fsync_buffers_list().
 	 */
 	mutex_lock(&mapping->host->i_mutex);
-	err = file->f_op->fsync(file, file->f_path.dentry, datasync);
+	err = fop->fsync(file, dentry, datasync);
 	if (!ret)
 		ret = err;
 	mutex_unlock(&mapping->host->i_mutex);
@@ -104,15 +129,16 @@
 out:
 	return ret;
 }
+EXPORT_SYMBOL(vfs_fsync);
 
-static long __do_fsync(unsigned int fd, int datasync)
+static int do_fsync(unsigned int fd, int datasync)
 {
 	struct file *file;
 	int ret = -EBADF;
 
 	file = fget(fd);
 	if (file) {
-		ret = do_fsync(file, datasync);
+		ret = vfs_fsync(file, file->f_path.dentry, datasync);
 		fput(file);
 	}
 	return ret;
@@ -120,12 +146,12 @@
 
 asmlinkage long sys_fsync(unsigned int fd)
 {
-	return __do_fsync(fd, 0);
+	return do_fsync(fd, 0);
 }
 
 asmlinkage long sys_fdatasync(unsigned int fd)
 {
-	return __do_fsync(fd, 1);
+	return do_fsync(fd, 1);
 }
 
 /*
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index eb53c63..dfa3d94 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -107,8 +107,6 @@
 static inline void set_default_inode_attr(struct inode * inode, mode_t mode)
 {
 	inode->i_mode = mode;
-	inode->i_uid = 0;
-	inode->i_gid = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 }
 
@@ -149,7 +147,6 @@
 {
 	struct bin_attribute *bin_attr;
 
-	inode->i_blocks = 0;
 	inode->i_mapping->a_ops = &sysfs_aops;
 	inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info;
 	inode->i_op = &sysfs_inode_operations;
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index fe82d24..bf373745 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -219,7 +219,8 @@
 }
 
 static int write_begin_slow(struct address_space *mapping,
-			    loff_t pos, unsigned len, struct page **pagep)
+			    loff_t pos, unsigned len, struct page **pagep,
+			    unsigned flags)
 {
 	struct inode *inode = mapping->host;
 	struct ubifs_info *c = inode->i_sb->s_fs_info;
@@ -247,7 +248,7 @@
 	if (unlikely(err))
 		return err;
 
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (unlikely(!page)) {
 		ubifs_release_budget(c, &req);
 		return -ENOMEM;
@@ -438,7 +439,7 @@
 		return -EROFS;
 
 	/* Try out the fast-path part first */
-	page = __grab_cache_page(mapping, index);
+	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (unlikely(!page))
 		return -ENOMEM;
 
@@ -483,7 +484,7 @@
 		unlock_page(page);
 		page_cache_release(page);
 
-		return write_begin_slow(mapping, pos, len, pagep);
+		return write_begin_slow(mapping, pos, len, pagep, flags);
 	}
 
 	/*
diff --git a/fs/xattr.c b/fs/xattr.c
index 468377e..237804c 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -175,7 +175,7 @@
 	if (error)
 		return error;
 	error = -EOPNOTSUPP;
-	if (d->d_inode->i_op && d->d_inode->i_op->listxattr) {
+	if (d->d_inode->i_op->listxattr) {
 		error = d->d_inode->i_op->listxattr(d, list, size);
 	} else {
 		error = security_inode_listsecurity(d->d_inode, list, size);
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 95ac8234..39da666 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -56,8 +56,6 @@
 header-y += dlm_netlink.h
 header-y += dm-ioctl.h
 header-y += dn.h
-header-y += dqblk_v1.h
-header-y += dqblk_v2.h
 header-y += dqblk_xfs.h
 header-y += efs_fs_sb.h
 header-y += elf-fdpic.h
@@ -134,8 +132,6 @@
 header-y += ppdev.h
 header-y += prctl.h
 header-y += qnxtypes.h
-header-y += quotaio_v1.h
-header-y += quotaio_v2.h
 header-y += radeonfb.h
 header-y += raw.h
 header-y += resource.h
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 26c4f6f..67e5dbf 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -247,6 +247,18 @@
 #define AUDIT_GREATER_THAN_OR_EQUAL	(AUDIT_GREATER_THAN|AUDIT_EQUAL)
 #define AUDIT_OPERATORS			(AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK)
 
+enum {
+	Audit_equal,
+	Audit_not_equal,
+	Audit_bitmask,
+	Audit_bittest,
+	Audit_lt,
+	Audit_gt,
+	Audit_le,
+	Audit_ge,
+	Audit_bad
+};
+
 /* Status symbols */
 				/* Mask values */
 #define AUDIT_STATUS_ENABLED		0x0001
@@ -373,6 +385,8 @@
 	struct audit_watch	*watch;	/* associated watch */
 	struct audit_tree	*tree;	/* associated watched tree */
 	struct list_head	rlist;	/* entry in audit_{watch,tree}.rules list */
+	struct list_head	list;	/* for AUDIT_LIST* purposes only */
+	u64			prio;
 };
 
 struct audit_field {
@@ -443,70 +457,56 @@
 #define audit_get_loginuid(t) ((t)->loginuid)
 #define audit_get_sessionid(t) ((t)->sessionid)
 extern void audit_log_task_context(struct audit_buffer *ab);
-extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp);
-extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
+extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
+extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
 extern int audit_bprm(struct linux_binprm *bprm);
-extern int audit_socketcall(int nargs, unsigned long *args);
+extern void audit_socketcall(int nargs, unsigned long *args);
 extern int audit_sockaddr(int len, void *addr);
-extern int __audit_fd_pair(int fd1, int fd2);
+extern void __audit_fd_pair(int fd1, int fd2);
 extern int audit_set_macxattr(const char *name);
-extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr);
-extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout);
-extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout);
-extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification);
-extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
+extern void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr);
+extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout);
+extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
+extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
 				  const struct cred *new,
 				  const struct cred *old);
-extern int __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old);
+extern void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old);
 
-static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp)
+static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
 {
 	if (unlikely(!audit_dummy_context()))
-		return __audit_ipc_obj(ipcp);
-	return 0;
+		__audit_ipc_obj(ipcp);
 }
-static inline int audit_fd_pair(int fd1, int fd2)
+static inline void audit_fd_pair(int fd1, int fd2)
 {
 	if (unlikely(!audit_dummy_context()))
-		return __audit_fd_pair(fd1, fd2);
-	return 0;
+		__audit_fd_pair(fd1, fd2);
 }
-static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
+static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
 {
 	if (unlikely(!audit_dummy_context()))
-		return __audit_ipc_set_perm(qbytes, uid, gid, mode);
-	return 0;
+		__audit_ipc_set_perm(qbytes, uid, gid, mode);
 }
-static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
+static inline void audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr)
 {
 	if (unlikely(!audit_dummy_context()))
-		return __audit_mq_open(oflag, mode, u_attr);
-	return 0;
+		__audit_mq_open(oflag, mode, attr);
 }
-static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout)
+static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout)
 {
 	if (unlikely(!audit_dummy_context()))
-		return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout);
-	return 0;
+		__audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
 }
-static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout)
+static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
 {
 	if (unlikely(!audit_dummy_context()))
-		return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout);
-	return 0;
+		__audit_mq_notify(mqdes, notification);
 }
-static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
+static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
 {
 	if (unlikely(!audit_dummy_context()))
-		return __audit_mq_notify(mqdes, u_notification);
-	return 0;
-}
-static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
-{
-	if (unlikely(!audit_dummy_context()))
-		return __audit_mq_getsetattr(mqdes, mqstat);
-	return 0;
+		__audit_mq_getsetattr(mqdes, mqstat);
 }
 
 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
@@ -518,12 +518,11 @@
 	return 0;
 }
 
-static inline int audit_log_capset(pid_t pid, const struct cred *new,
+static inline void audit_log_capset(pid_t pid, const struct cred *new,
 				   const struct cred *old)
 {
 	if (unlikely(!audit_dummy_context()))
-		return __audit_log_capset(pid, new, old);
-	return 0;
+		__audit_log_capset(pid, new, old);
 }
 
 extern int audit_n_rules;
@@ -546,20 +545,19 @@
 #define audit_get_loginuid(t) (-1)
 #define audit_get_sessionid(t) (-1)
 #define audit_log_task_context(b) do { ; } while (0)
-#define audit_ipc_obj(i) ({ 0; })
-#define audit_ipc_set_perm(q,u,g,m) ({ 0; })
+#define audit_ipc_obj(i) ((void)0)
+#define audit_ipc_set_perm(q,u,g,m) ((void)0)
 #define audit_bprm(p) ({ 0; })
-#define audit_socketcall(n,a) ({ 0; })
-#define audit_fd_pair(n,a) ({ 0; })
+#define audit_socketcall(n,a) ((void)0)
+#define audit_fd_pair(n,a) ((void)0)
 #define audit_sockaddr(len, addr) ({ 0; })
 #define audit_set_macxattr(n) do { ; } while (0)
-#define audit_mq_open(o,m,a) ({ 0; })
-#define audit_mq_timedsend(d,l,p,t) ({ 0; })
-#define audit_mq_timedreceive(d,l,p,t) ({ 0; })
-#define audit_mq_notify(d,n) ({ 0; })
-#define audit_mq_getsetattr(d,s) ({ 0; })
+#define audit_mq_open(o,m,a) ((void)0)
+#define audit_mq_sendrecv(d,l,p,t) ((void)0)
+#define audit_mq_notify(d,n) ((void)0)
+#define audit_mq_getsetattr(d,s) ((void)0)
 #define audit_log_bprm_fcaps(b, ncr, ocr) ({ 0; })
-#define audit_log_capset(pid, ncr, ocr) ({ 0; })
+#define audit_log_capset(pid, ncr, ocr) ((void)0)
 #define audit_ptrace(t) ((void)0)
 #define audit_n_rules 0
 #define audit_signals 0
diff --git a/include/linux/blockgroup_lock.h b/include/linux/blockgroup_lock.h
index 8607312..e44b88b 100644
--- a/include/linux/blockgroup_lock.h
+++ b/include/linux/blockgroup_lock.h
@@ -53,7 +53,10 @@
  * The accessor is a macro so we can embed a blockgroup_lock into different
  * superblock types
  */
-#define sb_bgl_lock(sb, block_group) \
-	(&(sb)->s_blockgroup_lock.locks[(block_group) & (NR_BG_LOCKS-1)].lock)
+static inline spinlock_t *
+bgl_lock_ptr(struct blockgroup_lock *bgl, unsigned int block_group)
+{
+	return &bgl->locks[(block_group) & (NR_BG_LOCKS-1)].lock;
+}
 
 #endif
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 1ee608f..484b3ab 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -234,6 +234,7 @@
 	int	(*suspend)	(struct cpufreq_policy *policy, pm_message_t pmsg);
 	int	(*resume)	(struct cpufreq_policy *policy);
 	struct freq_attr	**attr;
+	bool			hide_interface;
 };
 
 /* flags */
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index 136f170..af1dab4 100644
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -17,7 +17,15 @@
 struct root_entry;
 
 extern void free_dmar_iommu(struct intel_iommu *iommu);
+
+#ifdef CONFIG_DMAR
 extern int iommu_calculate_agaw(struct intel_iommu *iommu);
+#else
+static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
+{
+	return 0;
+}
+#endif
 
 extern int dmar_disabled;
 
diff --git a/include/linux/dqblk_qtree.h b/include/linux/dqblk_qtree.h
new file mode 100644
index 0000000..82a1652
--- /dev/null
+++ b/include/linux/dqblk_qtree.h
@@ -0,0 +1,56 @@
+/*
+ *	Definitions of structures and functions for quota formats using trie
+ */
+
+#ifndef _LINUX_DQBLK_QTREE_H
+#define _LINUX_DQBLK_QTREE_H
+
+#include <linux/types.h>
+
+/* Numbers of blocks needed for updates - we count with the smallest
+ * possible block size (1024) */
+#define QTREE_INIT_ALLOC 4
+#define QTREE_INIT_REWRITE 2
+#define QTREE_DEL_ALLOC 0
+#define QTREE_DEL_REWRITE 6
+
+struct dquot;
+
+/* Operations */
+struct qtree_fmt_operations {
+	void (*mem2disk_dqblk)(void *disk, struct dquot *dquot);	/* Convert given entry from in memory format to disk one */
+	void (*disk2mem_dqblk)(struct dquot *dquot, void *disk);	/* Convert given entry from disk format to in memory one */
+	int (*is_id)(void *disk, struct dquot *dquot);	/* Is this structure for given id? */
+};
+
+/* Inmemory copy of version specific information */
+struct qtree_mem_dqinfo {
+	struct super_block *dqi_sb;	/* Sb quota is on */
+	int dqi_type;			/* Quota type */
+	unsigned int dqi_blocks;	/* # of blocks in quota file */
+	unsigned int dqi_free_blk;	/* First block in list of free blocks */
+	unsigned int dqi_free_entry;	/* First block with free entry */
+	unsigned int dqi_blocksize_bits;	/* Block size of quota file */
+	unsigned int dqi_entry_size;	/* Size of quota entry in quota file */
+	unsigned int dqi_usable_bs;	/* Space usable in block for quota data */
+	unsigned int dqi_qtree_depth;	/* Precomputed depth of quota tree */
+	struct qtree_fmt_operations *dqi_ops;	/* Operations for entry manipulation */
+};
+
+int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot);
+int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot);
+int qtree_delete_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot);
+int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot);
+int qtree_entry_unused(struct qtree_mem_dqinfo *info, char *disk);
+static inline int qtree_depth(struct qtree_mem_dqinfo *info)
+{
+	unsigned int epb = info->dqi_usable_bs >> 2;
+	unsigned long long entries = epb;
+	int i;
+
+	for (i = 1; entries < (1ULL << 32); i++)
+		entries *= epb;
+	return i;
+}
+
+#endif /* _LINUX_DQBLK_QTREE_H */
diff --git a/include/linux/dqblk_v1.h b/include/linux/dqblk_v1.h
index 57f1250..3713a72 100644
--- a/include/linux/dqblk_v1.h
+++ b/include/linux/dqblk_v1.h
@@ -5,9 +5,6 @@
 #ifndef _LINUX_DQBLK_V1_H
 #define _LINUX_DQBLK_V1_H
 
-/* Id of quota format */
-#define QFMT_VFS_OLD 1
-
 /* Root squash turned on */
 #define V1_DQF_RSQUASH 1
 
@@ -17,8 +14,4 @@
 #define V1_DEL_ALLOC 0
 #define V1_DEL_REWRITE 2
 
-/* Special information about quotafile */
-struct v1_mem_dqinfo {
-};
-
 #endif	/* _LINUX_DQBLK_V1_H */
diff --git a/include/linux/dqblk_v2.h b/include/linux/dqblk_v2.h
index 4f85332..18000a5 100644
--- a/include/linux/dqblk_v2.h
+++ b/include/linux/dqblk_v2.h
@@ -1,26 +1,16 @@
 /*
- *	Definitions of structures for vfsv0 quota format
+ *  Definitions for vfsv0 quota format
  */
 
 #ifndef _LINUX_DQBLK_V2_H
 #define _LINUX_DQBLK_V2_H
 
-#include <linux/types.h>
-
-/* id numbers of quota format */
-#define QFMT_VFS_V0 2
+#include <linux/dqblk_qtree.h>
 
 /* Numbers of blocks needed for updates */
-#define V2_INIT_ALLOC 4
-#define V2_INIT_REWRITE 2
-#define V2_DEL_ALLOC 0
-#define V2_DEL_REWRITE 6
-
-/* Inmemory copy of version specific information */
-struct v2_mem_dqinfo {
-	unsigned int dqi_blocks;
-	unsigned int dqi_free_blk;
-	unsigned int dqi_free_entry;
-};
+#define V2_INIT_ALLOC QTREE_INIT_ALLOC
+#define V2_INIT_REWRITE QTREE_INIT_REWRITE
+#define V2_DEL_ALLOC QTREE_DEL_ALLOC
+#define V2_DEL_REWRITE QTREE_DEL_REWRITE
 
 #endif /* _LINUX_DQBLK_V2_H */
diff --git a/include/linux/ext2_fs_sb.h b/include/linux/ext2_fs_sb.h
index f273415..dc541f3 100644
--- a/include/linux/ext2_fs_sb.h
+++ b/include/linux/ext2_fs_sb.h
@@ -108,4 +108,10 @@
 	struct ext2_reserve_window_node s_rsv_window_head;
 };
 
+static inline spinlock_t *
+sb_bgl_lock(struct ext2_sb_info *sbi, unsigned int block_group)
+{
+	return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group);
+}
+
 #endif	/* _LINUX_EXT2_FS_SB */
diff --git a/include/linux/ext3_fs_sb.h b/include/linux/ext3_fs_sb.h
index b65f028..e024e38 100644
--- a/include/linux/ext3_fs_sb.h
+++ b/include/linux/ext3_fs_sb.h
@@ -83,4 +83,10 @@
 #endif
 };
 
+static inline spinlock_t *
+sb_bgl_lock(struct ext3_sb_info *sbi, unsigned int block_group)
+{
+	return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group);
+}
+
 #endif	/* _LINUX_EXT3_FS_SB */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index e2170ee..fb59673 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -423,6 +423,9 @@
 
 #define AOP_FLAG_UNINTERRUPTIBLE	0x0001 /* will not do a short write */
 #define AOP_FLAG_CONT_EXPAND		0x0002 /* called from cont_expand */
+#define AOP_FLAG_NOFS			0x0004 /* used by filesystem to direct
+						* helper code (eg buffer layer)
+						* to clear GFP_FS from alloc */
 
 /*
  * oh the beauties of C type declarations.
@@ -1827,7 +1830,7 @@
 extern int filemap_fdatawrite_range(struct address_space *mapping,
 				loff_t start, loff_t end);
 
-extern long do_fsync(struct file *file, int datasync);
+extern int vfs_fsync(struct file *file, struct dentry *dentry, int datasync);
 extern void sync_supers(void);
 extern void sync_filesystems(int wait);
 extern void __fsync_super(struct super_block *sb);
@@ -2035,7 +2038,7 @@
 extern void *page_follow_link_light(struct dentry *, struct nameidata *);
 extern void page_put_link(struct dentry *, struct nameidata *, void *);
 extern int __page_symlink(struct inode *inode, const char *symname, int len,
-		gfp_t gfp_mask);
+		int nofs);
 extern int page_symlink(struct inode *inode, const char *symname, int len);
 extern const struct inode_operations page_symlink_inode_operations;
 extern int generic_readlink(struct dentry *, char __user *, int);
@@ -2056,6 +2059,9 @@
 
 extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
 		    unsigned long arg);
+extern int __generic_block_fiemap(struct inode *inode,
+				  struct fiemap_extent_info *fieinfo, u64 start,
+				  u64 len, get_block_t *get_block);
 extern int generic_block_fiemap(struct inode *inode,
 				struct fiemap_extent_info *fieinfo, u64 start,
 				u64 len, get_block_t *get_block);
diff --git a/include/linux/hid.h b/include/linux/hid.h
index e5780f8..81aa84d 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -403,15 +403,6 @@
 #define HID_STAT_ADDED		1
 #define HID_STAT_PARSED		2
 
-#define HID_CTRL_RUNNING	1
-#define HID_OUT_RUNNING		2
-#define HID_IN_RUNNING		3
-#define HID_RESET_PENDING	4
-#define HID_SUSPENDED		5
-#define HID_CLEAR_HALT		6
-#define HID_DISCONNECTED	7
-#define HID_STARTED		8
-
 struct hid_input {
 	struct list_head list;
 	struct hid_report *report;
@@ -540,6 +531,8 @@
  * @name: driver name (e.g. "Footech_bar-wheel")
  * @id_table: which devices is this driver for (must be non-NULL for probe
  * 	      to be called)
+ * @dyn_list: list of dynamically added device ids
+ * @dyn_lock: lock protecting @dyn_list
  * @probe: new device inserted
  * @remove: device removed (NULL if not a hot-plug capable driver)
  * @report_table: on which reports to call raw_event (NULL means all)
@@ -567,6 +560,9 @@
 	char *name;
 	const struct hid_device_id *id_table;
 
+	struct list_head dyn_list;
+	spinlock_t dyn_lock;
+
 	int (*probe)(struct hid_device *dev, const struct hid_device_id *id);
 	void (*remove)(struct hid_device *dev);
 
@@ -797,6 +793,8 @@
 
 #ifdef CONFIG_HID_COMPAT
 #define HID_COMPAT_LOAD_DRIVER(name)	\
+/* prototype to avoid sparse warning */	\
+extern void hid_compat_##name(void);	\
 void hid_compat_##name(void) { }	\
 EXPORT_SYMBOL(hid_compat_##name)
 #else
diff --git a/include/linux/hidraw.h b/include/linux/hidraw.h
index dbb5c8c..dd8d692 100644
--- a/include/linux/hidraw.h
+++ b/include/linux/hidraw.h
@@ -33,6 +33,8 @@
 #define HIDIOCGRDESCSIZE	_IOR('H', 0x01, int)
 #define HIDIOCGRDESC		_IOR('H', 0x02, struct hidraw_report_descriptor)
 #define HIDIOCGRAWINFO		_IOR('H', 0x03, struct hidraw_devinfo)
+#define HIDIOCGRAWNAME(len)     _IOC(_IOC_READ, 'H', 0x04, len)
+#define HIDIOCGRAWPHYS(len)     _IOC(_IOC_READ, 'H', 0x05, len)
 
 #define HIDRAW_FIRST_MINOR 0
 #define HIDRAW_MAX_DEVICES 64
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index c7d106e..3445647 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -329,6 +329,7 @@
 	BH_State,		/* Pins most journal_head state */
 	BH_JournalHead,		/* Pins bh->b_private and jh->b_bh */
 	BH_Unshadow,		/* Dummy bit, for BJ_Shadow wakeup filtering */
+	BH_JBDPrivateStart,	/* First bit available for private use by FS */
 };
 
 BUFFER_FNS(JBD, jbd)
@@ -1007,6 +1008,35 @@
 int __jbd2_journal_remove_checkpoint(struct journal_head *);
 void __jbd2_journal_insert_checkpoint(struct journal_head *, transaction_t *);
 
+
+/*
+ * Triggers
+ */
+
+struct jbd2_buffer_trigger_type {
+	/*
+	 * Fired just before a buffer is written to the journal.
+	 * mapped_data is a mapped buffer that is the frozen data for
+	 * commit.
+	 */
+	void (*t_commit)(struct jbd2_buffer_trigger_type *type,
+			 struct buffer_head *bh, void *mapped_data,
+			 size_t size);
+
+	/*
+	 * Fired during journal abort for dirty buffers that will not be
+	 * committed.
+	 */
+	void (*t_abort)(struct jbd2_buffer_trigger_type *type,
+			struct buffer_head *bh);
+};
+
+extern void jbd2_buffer_commit_trigger(struct journal_head *jh,
+				       void *mapped_data,
+				       struct jbd2_buffer_trigger_type *triggers);
+extern void jbd2_buffer_abort_trigger(struct journal_head *jh,
+				      struct jbd2_buffer_trigger_type *triggers);
+
 /* Buffer IO */
 extern int
 jbd2_journal_write_metadata_buffer(transaction_t	  *transaction,
@@ -1045,6 +1075,8 @@
 extern int	 jbd2_journal_get_write_access(handle_t *, struct buffer_head *);
 extern int	 jbd2_journal_get_create_access (handle_t *, struct buffer_head *);
 extern int	 jbd2_journal_get_undo_access(handle_t *, struct buffer_head *);
+void		 jbd2_journal_set_triggers(struct buffer_head *,
+					   struct jbd2_buffer_trigger_type *type);
 extern int	 jbd2_journal_dirty_metadata (handle_t *, struct buffer_head *);
 extern void	 jbd2_journal_release_buffer (handle_t *, struct buffer_head *);
 extern int	 jbd2_journal_forget (handle_t *, struct buffer_head *);
diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h
index bb70ebb..525aac3 100644
--- a/include/linux/journal-head.h
+++ b/include/linux/journal-head.h
@@ -12,6 +12,8 @@
 
 typedef unsigned int		tid_t;		/* Unique transaction ID */
 typedef struct transaction_s	transaction_t;	/* Compound transaction type */
+
+
 struct buffer_head;
 
 struct journal_head {
@@ -87,6 +89,12 @@
 	 * [j_list_lock]
 	 */
 	struct journal_head *b_cpnext, *b_cpprev;
+
+	/* Trigger type */
+	struct jbd2_buffer_trigger_type *b_triggers;
+
+	/* Trigger type for the committing transaction's frozen data */
+	struct jbd2_buffer_trigger_type *b_frozen_triggers;
 };
 
 #endif		/* JOURNAL_HEAD_H_INCLUDED */
diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h
index eb10339..c1f40c2 100644
--- a/include/linux/moduleloader.h
+++ b/include/linux/moduleloader.h
@@ -13,6 +13,9 @@
 			      char *secstrings,
 			      struct module *mod);
 
+/* Additional bytes needed by arch in front of individual sections */
+unsigned int arch_mod_section_prepend(struct module *mod, unsigned int section);
+
 /* Allocator used for allocating struct module, core sections and init
    sections.  Returns NULL on failure. */
 void *module_alloc(unsigned long size);
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 41e1224..c28bbba 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -313,10 +313,11 @@
 #ifdef CONFIG_NETPOLL
 	spinlock_t		poll_lock;
 	int			poll_owner;
-	struct net_device	*dev;
 #endif
+	struct net_device	*dev;
 	struct list_head	dev_list;
 	struct sk_buff		*gro_list;
+	struct sk_buff		*skb;
 };
 
 enum
@@ -990,6 +991,9 @@
 
 	/* Number of segments aggregated. */
 	int count;
+
+	/* Free the skb? */
+	int free;
 };
 
 #define NAPI_GRO_CB(skb) ((struct napi_gro_cb *)(skb)->cb)
@@ -1011,6 +1015,14 @@
 	struct list_head	list;
 };
 
+struct napi_gro_fraginfo {
+	skb_frag_t frags[MAX_SKB_FRAGS];
+	unsigned int nr_frags;
+	unsigned int ip_summed;
+	unsigned int len;
+	__wsum csum;
+};
+
 #include <linux/interrupt.h>
 #include <linux/notifier.h>
 
@@ -1363,6 +1375,8 @@
 extern void		napi_gro_flush(struct napi_struct *napi);
 extern int		napi_gro_receive(struct napi_struct *napi,
 					 struct sk_buff *skb);
+extern int		napi_gro_frags(struct napi_struct *napi,
+				       struct napi_gro_fraginfo *info);
 extern void		netif_nit_deliver(struct sk_buff *skb);
 extern int		dev_valid_name(const char *name);
 extern int		dev_ioctl(struct net *net, unsigned int cmd, void __user *);
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 709742b..01ca085 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -241,7 +241,8 @@
 unsigned find_get_pages_tag(struct address_space *mapping, pgoff_t *index,
 			int tag, unsigned int nr_pages, struct page **pages);
 
-struct page *__grab_cache_page(struct address_space *mapping, pgoff_t index);
+struct page *grab_cache_page_write_begin(struct address_space *mapping,
+			pgoff_t index, unsigned flags);
 
 /*
  * Returns locked page at given index in given cache, creating it if needed.
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 40401b5..d72d5d8 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -36,17 +36,7 @@
 #include <linux/errno.h>
 #include <linux/types.h>
 
-#define __DQUOT_VERSION__	"dquot_6.5.1"
-#define __DQUOT_NUM_VERSION__	6*10000+5*100+1
-
-/* Size of blocks in which are counted size limits */
-#define QUOTABLOCK_BITS 10
-#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS)
-
-/* Conversion routines from and to quota blocks */
-#define qb2kb(x) ((x) << (QUOTABLOCK_BITS-10))
-#define kb2qb(x) ((x) >> (QUOTABLOCK_BITS-10))
-#define toqb(x) (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS)
+#define __DQUOT_VERSION__	"dquot_6.5.2"
 
 #define MAXQUOTAS 2
 #define USRQUOTA  0		/* element used for user quotas */
@@ -80,16 +70,34 @@
 #define Q_GETQUOTA 0x800007	/* get user quota structure */
 #define Q_SETQUOTA 0x800008	/* set user quota structure */
 
+/* Quota format type IDs */
+#define	QFMT_VFS_OLD 1
+#define	QFMT_VFS_V0 2
+
+/* Size of block in which space limits are passed through the quota
+ * interface */
+#define QIF_DQBLKSIZE_BITS 10
+#define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS)
+
 /*
  * Quota structure used for communication with userspace via quotactl
  * Following flags are used to specify which fields are valid
  */
-#define QIF_BLIMITS	1
-#define QIF_SPACE	2
-#define QIF_ILIMITS	4
-#define QIF_INODES	8
-#define QIF_BTIME	16
-#define QIF_ITIME	32
+enum {
+	QIF_BLIMITS_B = 0,
+	QIF_SPACE_B,
+	QIF_ILIMITS_B,
+	QIF_INODES_B,
+	QIF_BTIME_B,
+	QIF_ITIME_B,
+};
+
+#define QIF_BLIMITS	(1 << QIF_BLIMITS_B)
+#define QIF_SPACE	(1 << QIF_SPACE_B)
+#define QIF_ILIMITS	(1 << QIF_ILIMITS_B)
+#define QIF_INODES	(1 << QIF_INODES_B)
+#define QIF_BTIME	(1 << QIF_BTIME_B)
+#define QIF_ITIME	(1 << QIF_ITIME_B)
 #define QIF_LIMITS	(QIF_BLIMITS | QIF_ILIMITS)
 #define QIF_USAGE	(QIF_SPACE | QIF_INODES)
 #define QIF_TIMES	(QIF_BTIME | QIF_ITIME)
@@ -172,7 +180,7 @@
 #include <asm/atomic.h>
 
 typedef __kernel_uid32_t qid_t; /* Type in which we store ids in memory */
-typedef __u64 qsize_t;          /* Type in which we store sizes */
+typedef long long qsize_t;	/* Type in which we store sizes */
 
 extern spinlock_t dq_data_lock;
 
@@ -187,12 +195,12 @@
  * Data for one user/group kept in memory
  */
 struct mem_dqblk {
-	__u32 dqb_bhardlimit;	/* absolute limit on disk blks alloc */
-	__u32 dqb_bsoftlimit;	/* preferred limit on disk blks */
+	qsize_t dqb_bhardlimit;	/* absolute limit on disk blks alloc */
+	qsize_t dqb_bsoftlimit;	/* preferred limit on disk blks */
 	qsize_t dqb_curspace;	/* current used space */
-	__u32 dqb_ihardlimit;	/* absolute limit on allocated inodes */
-	__u32 dqb_isoftlimit;	/* preferred inode limit */
-	__u32 dqb_curinodes;	/* current # allocated inodes */
+	qsize_t dqb_ihardlimit;	/* absolute limit on allocated inodes */
+	qsize_t dqb_isoftlimit;	/* preferred inode limit */
+	qsize_t dqb_curinodes;	/* current # allocated inodes */
 	time_t dqb_btime;	/* time limit for excessive disk use */
 	time_t dqb_itime;	/* time limit for excessive inode use */
 };
@@ -212,10 +220,7 @@
 	unsigned int dqi_igrace;
 	qsize_t dqi_maxblimit;
 	qsize_t dqi_maxilimit;
-	union {
-		struct v1_mem_dqinfo v1_i;
-		struct v2_mem_dqinfo v2_i;
-	} u;
+	void *dqi_priv;
 };
 
 struct super_block;
@@ -249,6 +254,11 @@
 #define DQ_FAKE_B	3	/* no limits only usage */
 #define DQ_READ_B	4	/* dquot was read into memory */
 #define DQ_ACTIVE_B	5	/* dquot is active (dquot_release not called) */
+#define DQ_LASTSET_B	6	/* Following 6 bits (see QIF_) are reserved\
+				 * for the mask of entries set via SETQUOTA\
+				 * quotactl. They are set under dq_data_lock\
+				 * and the quota format handling dquot can\
+				 * clear them when it sees fit. */
 
 struct dquot {
 	struct hlist_node dq_hash;	/* Hash list in memory */
@@ -287,11 +297,13 @@
 	int (*initialize) (struct inode *, int);
 	int (*drop) (struct inode *);
 	int (*alloc_space) (struct inode *, qsize_t, int);
-	int (*alloc_inode) (const struct inode *, unsigned long);
+	int (*alloc_inode) (const struct inode *, qsize_t);
 	int (*free_space) (struct inode *, qsize_t);
-	int (*free_inode) (const struct inode *, unsigned long);
+	int (*free_inode) (const struct inode *, qsize_t);
 	int (*transfer) (struct inode *, struct iattr *);
 	int (*write_dquot) (struct dquot *);		/* Ordinary dquot write */
+	struct dquot *(*alloc_dquot)(struct super_block *, int);	/* Allocate memory for new dquot */
+	void (*destroy_dquot)(struct dquot *);		/* Free memory for dquot */
 	int (*acquire_dquot) (struct dquot *);		/* Quota is going to be created on disk */
 	int (*release_dquot) (struct dquot *);		/* Quota is going to be deleted from disk */
 	int (*mark_dirty) (struct dquot *);		/* Dquot is marked dirty */
@@ -320,12 +332,42 @@
 	struct quota_format_type *qf_next;
 };
 
-#define DQUOT_USR_ENABLED	0x01		/* User diskquotas enabled */
-#define DQUOT_GRP_ENABLED	0x02		/* Group diskquotas enabled */
-#define DQUOT_USR_SUSPENDED	0x04		/* User diskquotas are off, but
+/* Quota state flags - they actually come in two flavors - for users and groups */
+enum {
+	_DQUOT_USAGE_ENABLED = 0,		/* Track disk usage for users */
+	_DQUOT_LIMITS_ENABLED,			/* Enforce quota limits for users */
+	_DQUOT_SUSPENDED,			/* User diskquotas are off, but
 						 * we have necessary info in
 						 * memory to turn them on */
-#define DQUOT_GRP_SUSPENDED	0x08		/* The same for group quotas */
+	_DQUOT_STATE_FLAGS
+};
+#define DQUOT_USAGE_ENABLED	(1 << _DQUOT_USAGE_ENABLED)
+#define DQUOT_LIMITS_ENABLED	(1 << _DQUOT_LIMITS_ENABLED)
+#define DQUOT_SUSPENDED		(1 << _DQUOT_SUSPENDED)
+#define DQUOT_STATE_FLAGS	(DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED | \
+				 DQUOT_SUSPENDED)
+/* Other quota flags */
+#define DQUOT_QUOTA_SYS_FILE	(1 << 6)	/* Quota file is a special
+						 * system file and user cannot
+						 * touch it. Filesystem is
+						 * responsible for setting
+						 * S_NOQUOTA, S_NOATIME flags
+						 */
+#define DQUOT_NEGATIVE_USAGE	(1 << 7)	/* Allow negative quota usage */
+
+static inline unsigned int dquot_state_flag(unsigned int flags, int type)
+{
+	if (type == USRQUOTA)
+		return flags;
+	return flags << _DQUOT_STATE_FLAGS;
+}
+
+static inline unsigned int dquot_generic_flag(unsigned int flags, int type)
+{
+	if (type == USRQUOTA)
+		return flags;
+	return flags >> _DQUOT_STATE_FLAGS;
+}
 
 struct quota_info {
 	unsigned int flags;			/* Flags for diskquotas on this device */
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index a558a4c..21b781a 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -24,12 +24,21 @@
 
 int dquot_initialize(struct inode *inode, int type);
 int dquot_drop(struct inode *inode);
+int dquot_drop_locked(struct inode *inode);
+struct dquot *dqget(struct super_block *sb, unsigned int id, int type);
+void dqput(struct dquot *dquot);
+int dquot_is_cached(struct super_block *sb, unsigned int id, int type);
+int dquot_scan_active(struct super_block *sb,
+		      int (*fn)(struct dquot *dquot, unsigned long priv),
+		      unsigned long priv);
+struct dquot *dquot_alloc(struct super_block *sb, int type);
+void dquot_destroy(struct dquot *dquot);
 
 int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
-int dquot_alloc_inode(const struct inode *inode, unsigned long number);
+int dquot_alloc_inode(const struct inode *inode, qsize_t number);
 
 int dquot_free_space(struct inode *inode, qsize_t number);
-int dquot_free_inode(const struct inode *inode, unsigned long number);
+int dquot_free_inode(const struct inode *inode, qsize_t number);
 
 int dquot_transfer(struct inode *inode, struct iattr *iattr);
 int dquot_commit(struct dquot *dquot);
@@ -40,11 +49,14 @@
 
 int vfs_quota_on(struct super_block *sb, int type, int format_id,
  	char *path, int remount);
+int vfs_quota_enable(struct inode *inode, int type, int format_id,
+	unsigned int flags);
 int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
  	struct path *path);
 int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
  	int format_id, int type);
 int vfs_quota_off(struct super_block *sb, int type, int remount);
+int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags);
 int vfs_quota_sync(struct super_block *sb, int type);
 int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
@@ -64,24 +76,22 @@
  * Functions for checking status of quota
  */
 
-static inline int sb_has_quota_enabled(struct super_block *sb, int type)
+static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
 {
-	if (type == USRQUOTA)
-		return sb_dqopt(sb)->flags & DQUOT_USR_ENABLED;
-	return sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED;
+	return sb_dqopt(sb)->flags &
+				dquot_state_flag(DQUOT_USAGE_ENABLED, type);
 }
 
-static inline int sb_any_quota_enabled(struct super_block *sb)
+static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type)
 {
-	return sb_has_quota_enabled(sb, USRQUOTA) ||
-		sb_has_quota_enabled(sb, GRPQUOTA);
+	return sb_dqopt(sb)->flags &
+				dquot_state_flag(DQUOT_LIMITS_ENABLED, type);
 }
 
 static inline int sb_has_quota_suspended(struct super_block *sb, int type)
 {
-	if (type == USRQUOTA)
-		return sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED;
-	return sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED;
+	return sb_dqopt(sb)->flags &
+				dquot_state_flag(DQUOT_SUSPENDED, type);
 }
 
 static inline int sb_any_quota_suspended(struct super_block *sb)
@@ -90,6 +100,31 @@
 		sb_has_quota_suspended(sb, GRPQUOTA);
 }
 
+/* Does kernel know about any quota information for given sb + type? */
+static inline int sb_has_quota_loaded(struct super_block *sb, int type)
+{
+	/* Currently if anything is on, then quota usage is on as well */
+	return sb_has_quota_usage_enabled(sb, type);
+}
+
+static inline int sb_any_quota_loaded(struct super_block *sb)
+{
+	return sb_has_quota_loaded(sb, USRQUOTA) ||
+		sb_has_quota_loaded(sb, GRPQUOTA);
+}
+
+static inline int sb_has_quota_active(struct super_block *sb, int type)
+{
+	return sb_has_quota_loaded(sb, type) &&
+	       !sb_has_quota_suspended(sb, type);
+}
+
+static inline int sb_any_quota_active(struct super_block *sb)
+{
+	return sb_has_quota_active(sb, USRQUOTA) ||
+	       sb_has_quota_active(sb, GRPQUOTA);
+}
+
 /*
  * Operations supported for diskquotas.
  */
@@ -104,7 +139,7 @@
 static inline void vfs_dq_init(struct inode *inode)
 {
 	BUG_ON(!inode->i_sb);
-	if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode))
+	if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode))
 		inode->i_sb->dq_op->initialize(inode, -1);
 }
 
@@ -112,7 +147,7 @@
  * a transaction (deadlocks possible otherwise) */
 static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
 {
-	if (sb_any_quota_enabled(inode->i_sb)) {
+	if (sb_any_quota_active(inode->i_sb)) {
 		/* Used space is updated in alloc_space() */
 		if (inode->i_sb->dq_op->alloc_space(inode, nr, 1) == NO_QUOTA)
 			return 1;
@@ -132,7 +167,7 @@
 
 static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
 {
-	if (sb_any_quota_enabled(inode->i_sb)) {
+	if (sb_any_quota_active(inode->i_sb)) {
 		/* Used space is updated in alloc_space() */
 		if (inode->i_sb->dq_op->alloc_space(inode, nr, 0) == NO_QUOTA)
 			return 1;
@@ -152,7 +187,7 @@
 
 static inline int vfs_dq_alloc_inode(struct inode *inode)
 {
-	if (sb_any_quota_enabled(inode->i_sb)) {
+	if (sb_any_quota_active(inode->i_sb)) {
 		vfs_dq_init(inode);
 		if (inode->i_sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA)
 			return 1;
@@ -162,7 +197,7 @@
 
 static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
 {
-	if (sb_any_quota_enabled(inode->i_sb))
+	if (sb_any_quota_active(inode->i_sb))
 		inode->i_sb->dq_op->free_space(inode, nr);
 	else
 		inode_sub_bytes(inode, nr);
@@ -176,7 +211,7 @@
 
 static inline void vfs_dq_free_inode(struct inode *inode)
 {
-	if (sb_any_quota_enabled(inode->i_sb))
+	if (sb_any_quota_active(inode->i_sb))
 		inode->i_sb->dq_op->free_inode(inode, 1);
 }
 
@@ -197,12 +232,12 @@
 
 #else
 
-static inline int sb_has_quota_enabled(struct super_block *sb, int type)
+static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
 {
 	return 0;
 }
 
-static inline int sb_any_quota_enabled(struct super_block *sb)
+static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type)
 {
 	return 0;
 }
@@ -217,6 +252,27 @@
 	return 0;
 }
 
+/* Does kernel know about any quota information for given sb + type? */
+static inline int sb_has_quota_loaded(struct super_block *sb, int type)
+{
+	return 0;
+}
+
+static inline int sb_any_quota_loaded(struct super_block *sb)
+{
+	return 0;
+}
+
+static inline int sb_has_quota_active(struct super_block *sb, int type)
+{
+	return 0;
+}
+
+static inline int sb_any_quota_active(struct super_block *sb)
+{
+	return 0;
+}
+
 /*
  * NO-OP when quota not configured.
  */
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index a916c66..355f6e8 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -136,7 +136,7 @@
  */
 static inline void *radix_tree_deref_slot(void **pslot)
 {
-	void *ret = *pslot;
+	void *ret = rcu_dereference(*pslot);
 	if (unlikely(radix_tree_is_indirect_ptr(ret)))
 		ret = RADIX_TREE_RETRY;
 	return ret;
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 91f597a..4046b75 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -145,6 +145,8 @@
 	int (*irq_set_state)(struct device *, int enabled);
 	int (*irq_set_freq)(struct device *, int freq);
 	int (*read_callback)(struct device *, int data);
+	int (*alarm_irq_enable)(struct device *, unsigned int enabled);
+	int (*update_irq_enable)(struct device *, unsigned int enabled);
 };
 
 #define RTC_DEVICE_NAME_SIZE 20
@@ -181,7 +183,7 @@
 	struct timer_list uie_timer;
 	/* Those fields are protected by rtc->irq_lock */
 	unsigned int oldsecs;
-	unsigned int irq_active:1;
+	unsigned int uie_irq_active:1;
 	unsigned int stop_uie_polling:1;
 	unsigned int uie_task_active:1;
 	unsigned int uie_timer_active:1;
@@ -216,6 +218,10 @@
 				struct rtc_task *task, int enabled);
 extern int rtc_irq_set_freq(struct rtc_device *rtc,
 				struct rtc_task *task, int freq);
+extern int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled);
+extern int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled);
+extern int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc,
+						unsigned int enabled);
 
 typedef struct rtc_task {
 	void (*func)(void *private_data);
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 4be01bb..8222931 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -19,6 +19,8 @@
 #ifndef __LINUX_SPI_H
 #define __LINUX_SPI_H
 
+#include <linux/device.h>
+
 /*
  * INTERFACES between SPI master-side drivers and SPI infrastructure.
  * (There's no SPI slave support for Linux yet...)
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index 74d59a6..baba3a2 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -35,6 +35,24 @@
  * won't come or go while it's being called.  Used by hotplug cpu.
  */
 int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus);
+
+/**
+ * stop_machine_create: create all stop_machine threads
+ *
+ * Description: This causes all stop_machine threads to be created before
+ * stop_machine actually gets called. This can be used by subsystems that
+ * need a non failing stop_machine infrastructure.
+ */
+int stop_machine_create(void);
+
+/**
+ * stop_machine_destroy: destroy all stop_machine threads
+ *
+ * Description: This causes all stop_machine threads which were created with
+ * stop_machine_create to be destroyed again.
+ */
+void stop_machine_destroy(void);
+
 #else
 
 static inline int stop_machine(int (*fn)(void *), void *data,
@@ -46,5 +64,9 @@
 	local_irq_enable();
 	return ret;
 }
+
+static inline int stop_machine_create(void) { return 0; }
+static inline void stop_machine_destroy(void) { }
+
 #endif /* CONFIG_SMP */
 #endif /* _LINUX_STOP_MACHINE */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 04fb47b..18d0a24 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -549,7 +549,7 @@
 asmlinkage long sys_inotify_init1(int flags);
 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
 					u32 mask);
-asmlinkage long sys_inotify_rm_watch(int fd, u32 wd);
+asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
 
 asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
 				 __u32 __user *ustatus);
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index ce532f2..1459ed3 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -155,9 +155,9 @@
 {
 
 	if (dev)
-		return __neigh_lookup(&nd_tbl, addr, dev, 1);
+		return __neigh_lookup_errno(&nd_tbl, addr, dev);
 
-	return NULL;
+	return ERR_PTR(-ENODEV);
 }
 
 
diff --git a/init/Kconfig b/init/Kconfig
index f628171..52847ee 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -916,12 +916,6 @@
 	  the version).  With this option, such a "srcversion" field
 	  will be created for all modules.  If unsure, say N.
 
-config KMOD
-	def_bool y
-	help
-	  This is being removed soon.  These days, CONFIG_MODULES
-	  implies CONFIG_KMOD, so use that instead.
-
 endif # MODULES
 
 config INIT_ALL_POSSIBLE
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index d9393f8..eddb624 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -120,7 +120,6 @@
 		inode->i_mode = mode;
 		inode->i_uid = current_fsuid();
 		inode->i_gid = current_fsgid();
-		inode->i_blocks = 0;
 		inode->i_mtime = inode->i_ctime = inode->i_atime =
 				CURRENT_TIME;
 
@@ -524,31 +523,27 @@
 	wake_up(&info->wait_q);
 }
 
-static long prepare_timeout(const struct timespec __user *u_arg)
+static long prepare_timeout(struct timespec *p)
 {
-	struct timespec ts, nowts;
+	struct timespec nowts;
 	long timeout;
 
-	if (u_arg) {
-		if (unlikely(copy_from_user(&ts, u_arg,
-					sizeof(struct timespec))))
-			return -EFAULT;
-
-		if (unlikely(ts.tv_nsec < 0 || ts.tv_sec < 0
-			|| ts.tv_nsec >= NSEC_PER_SEC))
+	if (p) {
+		if (unlikely(p->tv_nsec < 0 || p->tv_sec < 0
+			|| p->tv_nsec >= NSEC_PER_SEC))
 			return -EINVAL;
 		nowts = CURRENT_TIME;
 		/* first subtract as jiffies can't be too big */
-		ts.tv_sec -= nowts.tv_sec;
-		if (ts.tv_nsec < nowts.tv_nsec) {
-			ts.tv_nsec += NSEC_PER_SEC;
-			ts.tv_sec--;
+		p->tv_sec -= nowts.tv_sec;
+		if (p->tv_nsec < nowts.tv_nsec) {
+			p->tv_nsec += NSEC_PER_SEC;
+			p->tv_sec--;
 		}
-		ts.tv_nsec -= nowts.tv_nsec;
-		if (ts.tv_sec < 0)
+		p->tv_nsec -= nowts.tv_nsec;
+		if (p->tv_sec < 0)
 			return 0;
 
-		timeout = timespec_to_jiffies(&ts) + 1;
+		timeout = timespec_to_jiffies(p) + 1;
 	} else
 		return MAX_SCHEDULE_TIMEOUT;
 
@@ -592,22 +587,18 @@
  * Invoked when creating a new queue via sys_mq_open
  */
 static struct file *do_create(struct dentry *dir, struct dentry *dentry,
-			int oflag, mode_t mode, struct mq_attr __user *u_attr)
+			int oflag, mode_t mode, struct mq_attr *attr)
 {
 	const struct cred *cred = current_cred();
-	struct mq_attr attr;
 	struct file *result;
 	int ret;
 
-	if (u_attr) {
-		ret = -EFAULT;
-		if (copy_from_user(&attr, u_attr, sizeof(attr)))
-			goto out;
+	if (attr) {
 		ret = -EINVAL;
-		if (!mq_attr_ok(&attr))
+		if (!mq_attr_ok(attr))
 			goto out;
 		/* store for use during create */
-		dentry->d_fsdata = &attr;
+		dentry->d_fsdata = attr;
 	}
 
 	mode &= ~current->fs->umask;
@@ -664,11 +655,13 @@
 	struct dentry *dentry;
 	struct file *filp;
 	char *name;
+	struct mq_attr attr;
 	int fd, error;
 
-	error = audit_mq_open(oflag, mode, u_attr);
-	if (error != 0)
-		return error;
+	if (u_attr && copy_from_user(&attr, u_attr, sizeof(struct mq_attr)))
+		return -EFAULT;
+
+	audit_mq_open(oflag, mode, u_attr ? &attr : NULL);
 
 	if (IS_ERR(name = getname(u_name)))
 		return PTR_ERR(name);
@@ -694,7 +687,8 @@
 			filp = do_open(dentry, oflag);
 		} else {
 			filp = do_create(mqueue_mnt->mnt_root, dentry,
-						oflag, mode, u_attr);
+						oflag, mode,
+						u_attr ? &attr : NULL);
 		}
 	} else {
 		error = -ENOENT;
@@ -829,17 +823,22 @@
 	struct ext_wait_queue *receiver;
 	struct msg_msg *msg_ptr;
 	struct mqueue_inode_info *info;
+	struct timespec ts, *p = NULL;
 	long timeout;
 	int ret;
 
-	ret = audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout);
-	if (ret != 0)
-		return ret;
+	if (u_abs_timeout) {
+		if (copy_from_user(&ts, u_abs_timeout, 
+					sizeof(struct timespec)))
+			return -EFAULT;
+		p = &ts;
+	}
 
 	if (unlikely(msg_prio >= (unsigned long) MQ_PRIO_MAX))
 		return -EINVAL;
 
-	timeout = prepare_timeout(u_abs_timeout);
+	audit_mq_sendrecv(mqdes, msg_len, msg_prio, p);
+	timeout = prepare_timeout(p);
 
 	ret = -EBADF;
 	filp = fget(mqdes);
@@ -918,12 +917,17 @@
 	struct inode *inode;
 	struct mqueue_inode_info *info;
 	struct ext_wait_queue wait;
+	struct timespec ts, *p = NULL;
 
-	ret = audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout);
-	if (ret != 0)
-		return ret;
+	if (u_abs_timeout) {
+		if (copy_from_user(&ts, u_abs_timeout, 
+					sizeof(struct timespec)))
+			return -EFAULT;
+		p = &ts;
+	}
 
-	timeout = prepare_timeout(u_abs_timeout);
+	audit_mq_sendrecv(mqdes, msg_len, 0, p);
+	timeout = prepare_timeout(p);
 
 	ret = -EBADF;
 	filp = fget(mqdes);
@@ -1003,17 +1007,17 @@
 	struct mqueue_inode_info *info;
 	struct sk_buff *nc;
 
-	ret = audit_mq_notify(mqdes, u_notification);
-	if (ret != 0)
-		return ret;
+	if (u_notification) {
+		if (copy_from_user(&notification, u_notification,
+					sizeof(struct sigevent)))
+			return -EFAULT;
+	}
+
+	audit_mq_notify(mqdes, u_notification ? &notification : NULL);
 
 	nc = NULL;
 	sock = NULL;
 	if (u_notification != NULL) {
-		if (copy_from_user(&notification, u_notification,
-					sizeof(struct sigevent)))
-			return -EFAULT;
-
 		if (unlikely(notification.sigev_notify != SIGEV_NONE &&
 			     notification.sigev_notify != SIGEV_SIGNAL &&
 			     notification.sigev_notify != SIGEV_THREAD))
@@ -1150,11 +1154,7 @@
 	omqstat = info->attr;
 	omqstat.mq_flags = filp->f_flags & O_NONBLOCK;
 	if (u_mqstat) {
-		ret = audit_mq_getsetattr(mqdes, &mqstat);
-		if (ret != 0) {
-			spin_unlock(&info->lock);
-			goto out_fput;
-		}
+		audit_mq_getsetattr(mqdes, &mqstat);
 		if (mqstat.mq_flags & O_NONBLOCK)
 			filp->f_flags |= O_NONBLOCK;
 		else
diff --git a/ipc/sem.c b/ipc/sem.c
index 0821224..fea0ad3 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -58,7 +58,7 @@
  * SMP-threaded, sysctl's added
  * (c) 1999 Manfred Spraul <manfred@colorfullife.com>
  * Enforced range limit on SEM_UNDO
- * (c) 2001 Red Hat Inc <alan@redhat.com>
+ * (c) 2001 Red Hat Inc
  * Lockless wakeup
  * (c) 2003 Manfred Spraul <manfred@colorfullife.com>
  *
diff --git a/ipc/shm.c b/ipc/shm.c
index 38a0557..57dd500 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -747,9 +747,7 @@
 			goto out;
 		}
 
-		err = audit_ipc_obj(&(shp->shm_perm));
-		if (err)
-			goto out_unlock;
+		audit_ipc_obj(&(shp->shm_perm));
 
 		if (!capable(CAP_IPC_LOCK)) {
 			uid_t euid = current_euid();
diff --git a/ipc/util.c b/ipc/util.c
index 5a1808c..7585a72 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -624,10 +624,9 @@
 int ipcperms (struct kern_ipc_perm *ipcp, short flag)
 {	/* flag will most probably be 0 or S_...UGO from <linux/stat.h> */
 	uid_t euid = current_euid();
-	int requested_mode, granted_mode, err;
+	int requested_mode, granted_mode;
 
-	if (unlikely((err = audit_ipc_obj(ipcp))))
-		return err;
+	audit_ipc_obj(ipcp);
 	requested_mode = (flag >> 6) | (flag >> 3) | flag;
 	granted_mode = ipcp->mode;
 	if (euid == ipcp->cuid ||
@@ -803,16 +802,10 @@
 		goto out_up;
 	}
 
-	err = audit_ipc_obj(ipcp);
-	if (err)
-		goto out_unlock;
-
-	if (cmd == IPC_SET) {
-		err = audit_ipc_set_perm(extra_perm, perm->uid,
+	audit_ipc_obj(ipcp);
+	if (cmd == IPC_SET)
+		audit_ipc_set_perm(extra_perm, perm->uid,
 					 perm->gid, perm->mode);
-		if (err)
-			goto out_unlock;
-	}
 
 	euid = current_euid();
 	if (euid == ipcp->cuid ||
@@ -820,7 +813,6 @@
 		return ipcp;
 
 	err = -EPERM;
-out_unlock:
 	ipc_unlock(ipcp);
 out_up:
 	up_write(&ids->rw_mutex);
diff --git a/kernel/audit.h b/kernel/audit.h
index 9d67174..16f18ca 100644
--- a/kernel/audit.h
+++ b/kernel/audit.h
@@ -159,11 +159,8 @@
 		return __audit_signal_info(sig, t);
 	return 0;
 }
-extern enum audit_state audit_filter_inodes(struct task_struct *,
-					    struct audit_context *);
-extern void audit_set_auditable(struct audit_context *);
+extern void audit_filter_inodes(struct task_struct *, struct audit_context *);
 #else
 #define audit_signal_info(s,t) AUDIT_DISABLED
 #define audit_filter_inodes(t,c) AUDIT_DISABLED
-#define audit_set_auditable(c)
 #endif
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index 8b50944..8ad9545 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -450,6 +450,7 @@
 			audit_log_end(ab);
 			rule->tree = NULL;
 			list_del_rcu(&entry->list);
+			list_del(&entry->rule.list);
 			call_rcu(&entry->rcu, audit_free_rule_rcu);
 		}
 	}
@@ -617,7 +618,7 @@
 
 	if (pathname[0] != '/' ||
 	    rule->listnr != AUDIT_FILTER_EXIT ||
-	    op & ~AUDIT_EQUAL ||
+	    op != Audit_equal ||
 	    rule->inode_f || rule->watch || rule->tree)
 		return -EINVAL;
 	rule->tree = alloc_tree(pathname);
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 9fd85a4..fbf24d1 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -86,6 +86,14 @@
 #error Fix audit_filter_list initialiser
 #endif
 };
+static struct list_head audit_rules_list[AUDIT_NR_FILTERS] = {
+	LIST_HEAD_INIT(audit_rules_list[0]),
+	LIST_HEAD_INIT(audit_rules_list[1]),
+	LIST_HEAD_INIT(audit_rules_list[2]),
+	LIST_HEAD_INIT(audit_rules_list[3]),
+	LIST_HEAD_INIT(audit_rules_list[4]),
+	LIST_HEAD_INIT(audit_rules_list[5]),
+};
 
 DEFINE_MUTEX(audit_filter_mutex);
 
@@ -244,7 +252,8 @@
 				 struct audit_field *f)
 {
 	if (krule->listnr != AUDIT_FILTER_EXIT ||
-	    krule->watch || krule->inode_f || krule->tree)
+	    krule->watch || krule->inode_f || krule->tree ||
+	    (f->op != Audit_equal && f->op != Audit_not_equal))
 		return -EINVAL;
 
 	krule->inode_f = f;
@@ -262,7 +271,7 @@
 
 	if (path[0] != '/' || path[len-1] == '/' ||
 	    krule->listnr != AUDIT_FILTER_EXIT ||
-	    op & ~AUDIT_EQUAL ||
+	    op != Audit_equal ||
 	    krule->inode_f || krule->watch || krule->tree)
 		return -EINVAL;
 
@@ -412,12 +421,32 @@
 	return ERR_PTR(err);
 }
 
+static u32 audit_ops[] =
+{
+	[Audit_equal] = AUDIT_EQUAL,
+	[Audit_not_equal] = AUDIT_NOT_EQUAL,
+	[Audit_bitmask] = AUDIT_BIT_MASK,
+	[Audit_bittest] = AUDIT_BIT_TEST,
+	[Audit_lt] = AUDIT_LESS_THAN,
+	[Audit_gt] = AUDIT_GREATER_THAN,
+	[Audit_le] = AUDIT_LESS_THAN_OR_EQUAL,
+	[Audit_ge] = AUDIT_GREATER_THAN_OR_EQUAL,
+};
+
+static u32 audit_to_op(u32 op)
+{
+	u32 n;
+	for (n = Audit_equal; n < Audit_bad && audit_ops[n] != op; n++)
+		;
+	return n;
+}
+
+
 /* Translate struct audit_rule to kernel's rule respresentation.
  * Exists for backward compatibility with userspace. */
 static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule)
 {
 	struct audit_entry *entry;
-	struct audit_field *ino_f;
 	int err = 0;
 	int i;
 
@@ -427,12 +456,28 @@
 
 	for (i = 0; i < rule->field_count; i++) {
 		struct audit_field *f = &entry->rule.fields[i];
+		u32 n;
 
-		f->op = rule->fields[i] & (AUDIT_NEGATE|AUDIT_OPERATORS);
+		n = rule->fields[i] & (AUDIT_NEGATE|AUDIT_OPERATORS);
+
+		/* Support for legacy operators where
+		 * AUDIT_NEGATE bit signifies != and otherwise assumes == */
+		if (n & AUDIT_NEGATE)
+			f->op = Audit_not_equal;
+		else if (!n)
+			f->op = Audit_equal;
+		else
+			f->op = audit_to_op(n);
+
+		entry->rule.vers_ops = (n & AUDIT_OPERATORS) ? 2 : 1;
+
 		f->type = rule->fields[i] & ~(AUDIT_NEGATE|AUDIT_OPERATORS);
 		f->val = rule->values[i];
 
 		err = -EINVAL;
+		if (f->op == Audit_bad)
+			goto exit_free;
+
 		switch(f->type) {
 		default:
 			goto exit_free;
@@ -454,11 +499,8 @@
 		case AUDIT_EXIT:
 		case AUDIT_SUCCESS:
 			/* bit ops are only useful on syscall args */
-			if (f->op == AUDIT_BIT_MASK ||
-						f->op == AUDIT_BIT_TEST) {
-				err = -EINVAL;
+			if (f->op == Audit_bitmask || f->op == Audit_bittest)
 				goto exit_free;
-			}
 			break;
 		case AUDIT_ARG0:
 		case AUDIT_ARG1:
@@ -467,11 +509,8 @@
 			break;
 		/* arch is only allowed to be = or != */
 		case AUDIT_ARCH:
-			if ((f->op != AUDIT_NOT_EQUAL) && (f->op != AUDIT_EQUAL)
-					&& (f->op != AUDIT_NEGATE) && (f->op)) {
-				err = -EINVAL;
+			if (f->op != Audit_not_equal && f->op != Audit_equal)
 				goto exit_free;
-			}
 			entry->rule.arch_f = f;
 			break;
 		case AUDIT_PERM:
@@ -488,33 +527,10 @@
 				goto exit_free;
 			break;
 		}
-
-		entry->rule.vers_ops = (f->op & AUDIT_OPERATORS) ? 2 : 1;
-
-		/* Support for legacy operators where
-		 * AUDIT_NEGATE bit signifies != and otherwise assumes == */
-		if (f->op & AUDIT_NEGATE)
-			f->op = AUDIT_NOT_EQUAL;
-		else if (!f->op)
-			f->op = AUDIT_EQUAL;
-		else if (f->op == AUDIT_OPERATORS) {
-			err = -EINVAL;
-			goto exit_free;
-		}
 	}
 
-	ino_f = entry->rule.inode_f;
-	if (ino_f) {
-		switch(ino_f->op) {
-		case AUDIT_NOT_EQUAL:
-			entry->rule.inode_f = NULL;
-		case AUDIT_EQUAL:
-			break;
-		default:
-			err = -EINVAL;
-			goto exit_free;
-		}
-	}
+	if (entry->rule.inode_f && entry->rule.inode_f->op == Audit_not_equal)
+		entry->rule.inode_f = NULL;
 
 exit_nofree:
 	return entry;
@@ -530,7 +546,6 @@
 {
 	int err = 0;
 	struct audit_entry *entry;
-	struct audit_field *ino_f;
 	void *bufp;
 	size_t remain = datasz - sizeof(struct audit_rule_data);
 	int i;
@@ -546,11 +561,11 @@
 		struct audit_field *f = &entry->rule.fields[i];
 
 		err = -EINVAL;
-		if (!(data->fieldflags[i] & AUDIT_OPERATORS) ||
-		    data->fieldflags[i] & ~AUDIT_OPERATORS)
+
+		f->op = audit_to_op(data->fieldflags[i]);
+		if (f->op == Audit_bad)
 			goto exit_free;
 
-		f->op = data->fieldflags[i] & AUDIT_OPERATORS;
 		f->type = data->fields[i];
 		f->val = data->values[i];
 		f->lsm_str = NULL;
@@ -662,18 +677,8 @@
 		}
 	}
 
-	ino_f = entry->rule.inode_f;
-	if (ino_f) {
-		switch(ino_f->op) {
-		case AUDIT_NOT_EQUAL:
-			entry->rule.inode_f = NULL;
-		case AUDIT_EQUAL:
-			break;
-		default:
-			err = -EINVAL;
-			goto exit_free;
-		}
-	}
+	if (entry->rule.inode_f && entry->rule.inode_f->op == Audit_not_equal)
+		entry->rule.inode_f = NULL;
 
 exit_nofree:
 	return entry;
@@ -713,10 +718,10 @@
 		rule->fields[i] = krule->fields[i].type;
 
 		if (krule->vers_ops == 1) {
-			if (krule->fields[i].op & AUDIT_NOT_EQUAL)
+			if (krule->fields[i].op == Audit_not_equal)
 				rule->fields[i] |= AUDIT_NEGATE;
 		} else {
-			rule->fields[i] |= krule->fields[i].op;
+			rule->fields[i] |= audit_ops[krule->fields[i].op];
 		}
 	}
 	for (i = 0; i < AUDIT_BITMASK_SIZE; i++) rule->mask[i] = krule->mask[i];
@@ -744,7 +749,7 @@
 		struct audit_field *f = &krule->fields[i];
 
 		data->fields[i] = f->type;
-		data->fieldflags[i] = f->op;
+		data->fieldflags[i] = audit_ops[f->op];
 		switch(f->type) {
 		case AUDIT_SUBJ_USER:
 		case AUDIT_SUBJ_ROLE:
@@ -919,6 +924,7 @@
 	new->action = old->action;
 	for (i = 0; i < AUDIT_BITMASK_SIZE; i++)
 		new->mask[i] = old->mask[i];
+	new->prio = old->prio;
 	new->buflen = old->buflen;
 	new->inode_f = old->inode_f;
 	new->watch = NULL;
@@ -987,9 +993,8 @@
 
 		/* If the update involves invalidating rules, do the inode-based
 		 * filtering now, so we don't omit records. */
-		if (invalidating && current->audit_context &&
-		    audit_filter_inodes(current, current->audit_context) == AUDIT_RECORD_CONTEXT)
-			audit_set_auditable(current->audit_context);
+		if (invalidating && current->audit_context)
+			audit_filter_inodes(current, current->audit_context);
 
 		nwatch = audit_dupe_watch(owatch);
 		if (IS_ERR(nwatch)) {
@@ -1007,12 +1012,15 @@
 			list_del_rcu(&oentry->list);
 
 			nentry = audit_dupe_rule(&oentry->rule, nwatch);
-			if (IS_ERR(nentry))
+			if (IS_ERR(nentry)) {
+				list_del(&oentry->rule.list);
 				audit_panic("error updating watch, removing");
-			else {
+			} else {
 				int h = audit_hash_ino((u32)ino);
 				list_add(&nentry->rule.rlist, &nwatch->rules);
 				list_add_rcu(&nentry->list, &audit_inode_hash[h]);
+				list_replace(&oentry->rule.list,
+					     &nentry->rule.list);
 			}
 
 			call_rcu(&oentry->rcu, audit_free_rule_rcu);
@@ -1077,6 +1085,7 @@
 				audit_log_end(ab);
 			}
 			list_del(&r->rlist);
+			list_del(&r->list);
 			list_del_rcu(&e->list);
 			call_rcu(&e->rcu, audit_free_rule_rcu);
 		}
@@ -1102,12 +1111,16 @@
 /* Find an existing audit rule.
  * Caller must hold audit_filter_mutex to prevent stale rule data. */
 static struct audit_entry *audit_find_rule(struct audit_entry *entry,
-					   struct list_head *list)
+					   struct list_head **p)
 {
 	struct audit_entry *e, *found = NULL;
+	struct list_head *list;
 	int h;
 
-	if (entry->rule.watch) {
+	if (entry->rule.inode_f) {
+		h = audit_hash_ino(entry->rule.inode_f->val);
+		*p = list = &audit_inode_hash[h];
+	} else if (entry->rule.watch) {
 		/* we don't know the inode number, so must walk entire hash */
 		for (h = 0; h < AUDIT_INODE_BUCKETS; h++) {
 			list = &audit_inode_hash[h];
@@ -1118,6 +1131,8 @@
 				}
 		}
 		goto out;
+	} else {
+		*p = list = &audit_filter_list[entry->rule.listnr];
 	}
 
 	list_for_each_entry(e, list, list)
@@ -1258,15 +1273,17 @@
 	return ret;
 }
 
+static u64 prio_low = ~0ULL/2;
+static u64 prio_high = ~0ULL/2 - 1;
+
 /* Add rule to given filterlist if not a duplicate. */
-static inline int audit_add_rule(struct audit_entry *entry,
-				 struct list_head *list)
+static inline int audit_add_rule(struct audit_entry *entry)
 {
 	struct audit_entry *e;
-	struct audit_field *inode_f = entry->rule.inode_f;
 	struct audit_watch *watch = entry->rule.watch;
 	struct audit_tree *tree = entry->rule.tree;
 	struct nameidata *ndp = NULL, *ndw = NULL;
+	struct list_head *list;
 	int h, err;
 #ifdef CONFIG_AUDITSYSCALL
 	int dont_count = 0;
@@ -1277,13 +1294,8 @@
 		dont_count = 1;
 #endif
 
-	if (inode_f) {
-		h = audit_hash_ino(inode_f->val);
-		list = &audit_inode_hash[h];
-	}
-
 	mutex_lock(&audit_filter_mutex);
-	e = audit_find_rule(entry, list);
+	e = audit_find_rule(entry, &list);
 	mutex_unlock(&audit_filter_mutex);
 	if (e) {
 		err = -EEXIST;
@@ -1319,10 +1331,22 @@
 		}
 	}
 
+	entry->rule.prio = ~0ULL;
+	if (entry->rule.listnr == AUDIT_FILTER_EXIT) {
+		if (entry->rule.flags & AUDIT_FILTER_PREPEND)
+			entry->rule.prio = ++prio_high;
+		else
+			entry->rule.prio = --prio_low;
+	}
+
 	if (entry->rule.flags & AUDIT_FILTER_PREPEND) {
+		list_add(&entry->rule.list,
+			 &audit_rules_list[entry->rule.listnr]);
 		list_add_rcu(&entry->list, list);
 		entry->rule.flags &= ~AUDIT_FILTER_PREPEND;
 	} else {
+		list_add_tail(&entry->rule.list,
+			      &audit_rules_list[entry->rule.listnr]);
 		list_add_tail_rcu(&entry->list, list);
 	}
 #ifdef CONFIG_AUDITSYSCALL
@@ -1345,15 +1369,14 @@
 }
 
 /* Remove an existing rule from filterlist. */
-static inline int audit_del_rule(struct audit_entry *entry,
-				 struct list_head *list)
+static inline int audit_del_rule(struct audit_entry *entry)
 {
 	struct audit_entry  *e;
-	struct audit_field *inode_f = entry->rule.inode_f;
 	struct audit_watch *watch, *tmp_watch = entry->rule.watch;
 	struct audit_tree *tree = entry->rule.tree;
+	struct list_head *list;
 	LIST_HEAD(inotify_list);
-	int h, ret = 0;
+	int ret = 0;
 #ifdef CONFIG_AUDITSYSCALL
 	int dont_count = 0;
 
@@ -1363,13 +1386,8 @@
 		dont_count = 1;
 #endif
 
-	if (inode_f) {
-		h = audit_hash_ino(inode_f->val);
-		list = &audit_inode_hash[h];
-	}
-
 	mutex_lock(&audit_filter_mutex);
-	e = audit_find_rule(entry, list);
+	e = audit_find_rule(entry, &list);
 	if (!e) {
 		mutex_unlock(&audit_filter_mutex);
 		ret = -ENOENT;
@@ -1404,6 +1422,7 @@
 		audit_remove_tree_rule(&e->rule);
 
 	list_del_rcu(&e->list);
+	list_del(&e->rule.list);
 	call_rcu(&e->rcu, audit_free_rule_rcu);
 
 #ifdef CONFIG_AUDITSYSCALL
@@ -1432,30 +1451,16 @@
 static void audit_list(int pid, int seq, struct sk_buff_head *q)
 {
 	struct sk_buff *skb;
-	struct audit_entry *entry;
+	struct audit_krule *r;
 	int i;
 
 	/* This is a blocking read, so use audit_filter_mutex instead of rcu
 	 * iterator to sync with list writers. */
 	for (i=0; i<AUDIT_NR_FILTERS; i++) {
-		list_for_each_entry(entry, &audit_filter_list[i], list) {
+		list_for_each_entry(r, &audit_rules_list[i], list) {
 			struct audit_rule *rule;
 
-			rule = audit_krule_to_rule(&entry->rule);
-			if (unlikely(!rule))
-				break;
-			skb = audit_make_reply(pid, seq, AUDIT_LIST, 0, 1,
-					 rule, sizeof(*rule));
-			if (skb)
-				skb_queue_tail(q, skb);
-			kfree(rule);
-		}
-	}
-	for (i = 0; i < AUDIT_INODE_BUCKETS; i++) {
-		list_for_each_entry(entry, &audit_inode_hash[i], list) {
-			struct audit_rule *rule;
-
-			rule = audit_krule_to_rule(&entry->rule);
+			rule = audit_krule_to_rule(r);
 			if (unlikely(!rule))
 				break;
 			skb = audit_make_reply(pid, seq, AUDIT_LIST, 0, 1,
@@ -1474,30 +1479,16 @@
 static void audit_list_rules(int pid, int seq, struct sk_buff_head *q)
 {
 	struct sk_buff *skb;
-	struct audit_entry *e;
+	struct audit_krule *r;
 	int i;
 
 	/* This is a blocking read, so use audit_filter_mutex instead of rcu
 	 * iterator to sync with list writers. */
 	for (i=0; i<AUDIT_NR_FILTERS; i++) {
-		list_for_each_entry(e, &audit_filter_list[i], list) {
+		list_for_each_entry(r, &audit_rules_list[i], list) {
 			struct audit_rule_data *data;
 
-			data = audit_krule_to_data(&e->rule);
-			if (unlikely(!data))
-				break;
-			skb = audit_make_reply(pid, seq, AUDIT_LIST_RULES, 0, 1,
-					 data, sizeof(*data) + data->buflen);
-			if (skb)
-				skb_queue_tail(q, skb);
-			kfree(data);
-		}
-	}
-	for (i=0; i< AUDIT_INODE_BUCKETS; i++) {
-		list_for_each_entry(e, &audit_inode_hash[i], list) {
-			struct audit_rule_data *data;
-
-			data = audit_krule_to_data(&e->rule);
+			data = audit_krule_to_data(r);
 			if (unlikely(!data))
 				break;
 			skb = audit_make_reply(pid, seq, AUDIT_LIST_RULES, 0, 1,
@@ -1603,8 +1594,7 @@
 		if (IS_ERR(entry))
 			return PTR_ERR(entry);
 
-		err = audit_add_rule(entry,
-				     &audit_filter_list[entry->rule.listnr]);
+		err = audit_add_rule(entry);
 		audit_log_rule_change(loginuid, sessionid, sid, "add",
 				      &entry->rule, !err);
 
@@ -1620,8 +1610,7 @@
 		if (IS_ERR(entry))
 			return PTR_ERR(entry);
 
-		err = audit_del_rule(entry,
-				     &audit_filter_list[entry->rule.listnr]);
+		err = audit_del_rule(entry);
 		audit_log_rule_change(loginuid, sessionid, sid, "remove",
 				      &entry->rule, !err);
 
@@ -1634,28 +1623,29 @@
 	return err;
 }
 
-int audit_comparator(const u32 left, const u32 op, const u32 right)
+int audit_comparator(u32 left, u32 op, u32 right)
 {
 	switch (op) {
-	case AUDIT_EQUAL:
+	case Audit_equal:
 		return (left == right);
-	case AUDIT_NOT_EQUAL:
+	case Audit_not_equal:
 		return (left != right);
-	case AUDIT_LESS_THAN:
+	case Audit_lt:
 		return (left < right);
-	case AUDIT_LESS_THAN_OR_EQUAL:
+	case Audit_le:
 		return (left <= right);
-	case AUDIT_GREATER_THAN:
+	case Audit_gt:
 		return (left > right);
-	case AUDIT_GREATER_THAN_OR_EQUAL:
+	case Audit_ge:
 		return (left >= right);
-	case AUDIT_BIT_MASK:
+	case Audit_bitmask:
 		return (left & right);
-	case AUDIT_BIT_TEST:
+	case Audit_bittest:
 		return ((left & right) == right);
+	default:
+		BUG();
+		return 0;
 	}
-	BUG();
-	return 0;
 }
 
 /* Compare given dentry name with last component in given path,
@@ -1778,6 +1768,43 @@
 	return result;
 }
 
+static int update_lsm_rule(struct audit_krule *r)
+{
+	struct audit_entry *entry = container_of(r, struct audit_entry, rule);
+	struct audit_entry *nentry;
+	struct audit_watch *watch;
+	struct audit_tree *tree;
+	int err = 0;
+
+	if (!security_audit_rule_known(r))
+		return 0;
+
+	watch = r->watch;
+	tree = r->tree;
+	nentry = audit_dupe_rule(r, watch);
+	if (IS_ERR(nentry)) {
+		/* save the first error encountered for the
+		 * return value */
+		err = PTR_ERR(nentry);
+		audit_panic("error updating LSM filters");
+		if (watch)
+			list_del(&r->rlist);
+		list_del_rcu(&entry->list);
+		list_del(&r->list);
+	} else {
+		if (watch) {
+			list_add(&nentry->rule.rlist, &watch->rules);
+			list_del(&r->rlist);
+		} else if (tree)
+			list_replace_init(&r->rlist, &nentry->rule.rlist);
+		list_replace_rcu(&entry->list, &nentry->list);
+		list_replace(&r->list, &nentry->rule.list);
+	}
+	call_rcu(&entry->rcu, audit_free_rule_rcu);
+
+	return err;
+}
+
 /* This function will re-initialize the lsm_rule field of all applicable rules.
  * It will traverse the filter lists serarching for rules that contain LSM
  * specific filter fields.  When such a rule is found, it is copied, the
@@ -1785,45 +1812,19 @@
  * updated rule. */
 int audit_update_lsm_rules(void)
 {
-	struct audit_entry *entry, *n, *nentry;
-	struct audit_watch *watch;
-	struct audit_tree *tree;
+	struct audit_krule *r, *n;
 	int i, err = 0;
 
 	/* audit_filter_mutex synchronizes the writers */
 	mutex_lock(&audit_filter_mutex);
 
 	for (i = 0; i < AUDIT_NR_FILTERS; i++) {
-		list_for_each_entry_safe(entry, n, &audit_filter_list[i], list) {
-			if (!security_audit_rule_known(&entry->rule))
-				continue;
-
-			watch = entry->rule.watch;
-			tree = entry->rule.tree;
-			nentry = audit_dupe_rule(&entry->rule, watch);
-			if (IS_ERR(nentry)) {
-				/* save the first error encountered for the
-				 * return value */
-				if (!err)
-					err = PTR_ERR(nentry);
-				audit_panic("error updating LSM filters");
-				if (watch)
-					list_del(&entry->rule.rlist);
-				list_del_rcu(&entry->list);
-			} else {
-				if (watch) {
-					list_add(&nentry->rule.rlist,
-						 &watch->rules);
-					list_del(&entry->rule.rlist);
-				} else if (tree)
-					list_replace_init(&entry->rule.rlist,
-						     &nentry->rule.rlist);
-				list_replace_rcu(&entry->list, &nentry->list);
-			}
-			call_rcu(&entry->rcu, audit_free_rule_rcu);
+		list_for_each_entry_safe(r, n, &audit_rules_list[i], list) {
+			int res = update_lsm_rule(r);
+			if (!err)
+				err = res;
 		}
 	}
-
 	mutex_unlock(&audit_filter_mutex);
 
 	return err;
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 4819f371..8cbddff 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -124,43 +124,6 @@
 /* Number of target pids per aux struct. */
 #define AUDIT_AUX_PIDS	16
 
-struct audit_aux_data_mq_open {
-	struct audit_aux_data	d;
-	int			oflag;
-	mode_t			mode;
-	struct mq_attr		attr;
-};
-
-struct audit_aux_data_mq_sendrecv {
-	struct audit_aux_data	d;
-	mqd_t			mqdes;
-	size_t			msg_len;
-	unsigned int		msg_prio;
-	struct timespec		abs_timeout;
-};
-
-struct audit_aux_data_mq_notify {
-	struct audit_aux_data	d;
-	mqd_t			mqdes;
-	struct sigevent 	notification;
-};
-
-struct audit_aux_data_mq_getsetattr {
-	struct audit_aux_data	d;
-	mqd_t			mqdes;
-	struct mq_attr 		mqstat;
-};
-
-struct audit_aux_data_ipcctl {
-	struct audit_aux_data	d;
-	struct ipc_perm		p;
-	unsigned long		qbytes;
-	uid_t			uid;
-	gid_t			gid;
-	mode_t			mode;
-	u32			osid;
-};
-
 struct audit_aux_data_execve {
 	struct audit_aux_data	d;
 	int argc;
@@ -168,23 +131,6 @@
 	struct mm_struct *mm;
 };
 
-struct audit_aux_data_socketcall {
-	struct audit_aux_data	d;
-	int			nargs;
-	unsigned long		args[0];
-};
-
-struct audit_aux_data_sockaddr {
-	struct audit_aux_data	d;
-	int			len;
-	char			a[0];
-};
-
-struct audit_aux_data_fd_pair {
-	struct	audit_aux_data d;
-	int	fd[2];
-};
-
 struct audit_aux_data_pids {
 	struct audit_aux_data	d;
 	pid_t			target_pid[AUDIT_AUX_PIDS];
@@ -219,14 +165,14 @@
 struct audit_context {
 	int		    dummy;	/* must be the first element */
 	int		    in_syscall;	/* 1 if task is in a syscall */
-	enum audit_state    state;
+	enum audit_state    state, current_state;
 	unsigned int	    serial;     /* serial number for record */
 	struct timespec	    ctime;      /* time of syscall entry */
 	int		    major;      /* syscall number */
 	unsigned long	    argv[4];    /* syscall arguments */
 	int		    return_valid; /* return code is valid */
 	long		    return_code;/* syscall return code */
-	int		    auditable;  /* 1 if record should be written */
+	u64		    prio;
 	int		    name_count;
 	struct audit_names  names[AUDIT_NAMES];
 	char *		    filterkey;	/* key for rule that triggered record */
@@ -234,7 +180,8 @@
 	struct audit_context *previous; /* For nested syscalls */
 	struct audit_aux_data *aux;
 	struct audit_aux_data *aux_pids;
-
+	struct sockaddr_storage *sockaddr;
+	size_t sockaddr_len;
 				/* Save things to print about task_struct */
 	pid_t		    pid, ppid;
 	uid_t		    uid, euid, suid, fsuid;
@@ -252,6 +199,49 @@
 	struct audit_tree_refs *trees, *first_trees;
 	int tree_count;
 
+	int type;
+	union {
+		struct {
+			int nargs;
+			long args[6];
+		} socketcall;
+		struct {
+			uid_t			uid;
+			gid_t			gid;
+			mode_t			mode;
+			u32			osid;
+			int			has_perm;
+			uid_t			perm_uid;
+			gid_t			perm_gid;
+			mode_t			perm_mode;
+			unsigned long		qbytes;
+		} ipc;
+		struct {
+			mqd_t			mqdes;
+			struct mq_attr 		mqstat;
+		} mq_getsetattr;
+		struct {
+			mqd_t			mqdes;
+			int			sigev_signo;
+		} mq_notify;
+		struct {
+			mqd_t			mqdes;
+			size_t			msg_len;
+			unsigned int		msg_prio;
+			struct timespec		abs_timeout;
+		} mq_sendrecv;
+		struct {
+			int			oflag;
+			mode_t			mode;
+			struct mq_attr		attr;
+		} mq_open;
+		struct {
+			pid_t			pid;
+			struct audit_cap_data	cap;
+		} capset;
+	};
+	int fds[2];
+
 #if AUDIT_DEBUG
 	int		    put_count;
 	int		    ino_count;
@@ -608,19 +598,12 @@
 					}
 				}
 				/* Find ipc objects that match */
-				if (ctx) {
-					struct audit_aux_data *aux;
-					for (aux = ctx->aux; aux;
-					     aux = aux->next) {
-						if (aux->type == AUDIT_IPC) {
-							struct audit_aux_data_ipcctl *axi = (void *)aux;
-							if (security_audit_rule_match(axi->osid, f->type, f->op, f->lsm_rule, ctx)) {
-								++result;
-								break;
-							}
-						}
-					}
-				}
+				if (!ctx || ctx->type != AUDIT_IPC)
+					break;
+				if (security_audit_rule_match(ctx->ipc.osid,
+							      f->type, f->op,
+							      f->lsm_rule, ctx))
+					++result;
 			}
 			break;
 		case AUDIT_ARG0:
@@ -647,8 +630,16 @@
 			return 0;
 		}
 	}
-	if (rule->filterkey && ctx)
-		ctx->filterkey = kstrdup(rule->filterkey, GFP_ATOMIC);
+
+	if (ctx) {
+		if (rule->prio <= ctx->prio)
+			return 0;
+		if (rule->filterkey) {
+			kfree(ctx->filterkey);
+			ctx->filterkey = kstrdup(rule->filterkey, GFP_ATOMIC);
+		}
+		ctx->prio = rule->prio;
+	}
 	switch (rule->action) {
 	case AUDIT_NEVER:    *state = AUDIT_DISABLED;	    break;
 	case AUDIT_ALWAYS:   *state = AUDIT_RECORD_CONTEXT; break;
@@ -661,7 +652,7 @@
  * completely disabled for this task.  Since we only have the task
  * structure at this point, we can only check uid and gid.
  */
-static enum audit_state audit_filter_task(struct task_struct *tsk)
+static enum audit_state audit_filter_task(struct task_struct *tsk, char **key)
 {
 	struct audit_entry *e;
 	enum audit_state   state;
@@ -669,6 +660,8 @@
 	rcu_read_lock();
 	list_for_each_entry_rcu(e, &audit_filter_list[AUDIT_FILTER_TASK], list) {
 		if (audit_filter_rules(tsk, &e->rule, NULL, NULL, &state)) {
+			if (state == AUDIT_RECORD_CONTEXT)
+				*key = kstrdup(e->rule.filterkey, GFP_ATOMIC);
 			rcu_read_unlock();
 			return state;
 		}
@@ -702,6 +695,7 @@
 			    audit_filter_rules(tsk, &e->rule, ctx, NULL,
 					       &state)) {
 				rcu_read_unlock();
+				ctx->current_state = state;
 				return state;
 			}
 		}
@@ -715,15 +709,14 @@
  * buckets applicable to the inode numbers in audit_names[].
  * Regarding audit_state, same rules apply as for audit_filter_syscall().
  */
-enum audit_state audit_filter_inodes(struct task_struct *tsk,
-				     struct audit_context *ctx)
+void audit_filter_inodes(struct task_struct *tsk, struct audit_context *ctx)
 {
 	int i;
 	struct audit_entry *e;
 	enum audit_state state;
 
 	if (audit_pid && tsk->tgid == audit_pid)
-		return AUDIT_DISABLED;
+		return;
 
 	rcu_read_lock();
 	for (i = 0; i < ctx->name_count; i++) {
@@ -740,17 +733,20 @@
 			if ((e->rule.mask[word] & bit) == bit &&
 			    audit_filter_rules(tsk, &e->rule, ctx, n, &state)) {
 				rcu_read_unlock();
-				return state;
+				ctx->current_state = state;
+				return;
 			}
 		}
 	}
 	rcu_read_unlock();
-	return AUDIT_BUILD_CONTEXT;
 }
 
-void audit_set_auditable(struct audit_context *ctx)
+static void audit_set_auditable(struct audit_context *ctx)
 {
-	ctx->auditable = 1;
+	if (!ctx->prio) {
+		ctx->prio = 1;
+		ctx->current_state = AUDIT_RECORD_CONTEXT;
+	}
 }
 
 static inline struct audit_context *audit_get_context(struct task_struct *tsk,
@@ -781,23 +777,11 @@
 	else
 		context->return_code  = return_code;
 
-	if (context->in_syscall && !context->dummy && !context->auditable) {
-		enum audit_state state;
-
-		state = audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_EXIT]);
-		if (state == AUDIT_RECORD_CONTEXT) {
-			context->auditable = 1;
-			goto get_context;
-		}
-
-		state = audit_filter_inodes(tsk, context);
-		if (state == AUDIT_RECORD_CONTEXT)
-			context->auditable = 1;
-
+	if (context->in_syscall && !context->dummy) {
+		audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_EXIT]);
+		audit_filter_inodes(tsk, context);
 	}
 
-get_context:
-
 	tsk->audit_context = NULL;
 	return context;
 }
@@ -807,8 +791,7 @@
 	int i;
 
 #if AUDIT_DEBUG == 2
-	if (context->auditable
-	    ||context->put_count + context->ino_count != context->name_count) {
+	if (context->put_count + context->ino_count != context->name_count) {
 		printk(KERN_ERR "%s:%d(:%d): major=%d in_syscall=%d"
 		       " name_count=%d put_count=%d"
 		       " ino_count=%d [NOT freeing]\n",
@@ -859,6 +842,7 @@
 {
 	memset(context, 0, sizeof(*context));
 	context->state      = state;
+	context->prio = state == AUDIT_RECORD_CONTEXT ? ~0ULL : 0;
 }
 
 static inline struct audit_context *audit_alloc_context(enum audit_state state)
@@ -884,18 +868,21 @@
 {
 	struct audit_context *context;
 	enum audit_state     state;
+	char *key = NULL;
 
 	if (likely(!audit_ever_enabled))
 		return 0; /* Return if not auditing. */
 
-	state = audit_filter_task(tsk);
+	state = audit_filter_task(tsk, &key);
 	if (likely(state == AUDIT_DISABLED))
 		return 0;
 
 	if (!(context = audit_alloc_context(state))) {
+		kfree(key);
 		audit_log_lost("out of memory in audit_alloc");
 		return -ENOMEM;
 	}
+	context->filterkey = key;
 
 	tsk->audit_context  = context;
 	set_tsk_thread_flag(tsk, TIF_SYSCALL_AUDIT);
@@ -921,6 +908,7 @@
 		free_tree_refs(context);
 		audit_free_aux(context);
 		kfree(context->filterkey);
+		kfree(context->sockaddr);
 		kfree(context);
 		context  = previous;
 	} while (context);
@@ -1230,6 +1218,97 @@
 		audit_log_format(ab, " cap_fe=%d cap_fver=%x", name->fcap.fE, name->fcap_ver);
 }
 
+static void show_special(struct audit_context *context, int *call_panic)
+{
+	struct audit_buffer *ab;
+	int i;
+
+	ab = audit_log_start(context, GFP_KERNEL, context->type);
+	if (!ab)
+		return;
+
+	switch (context->type) {
+	case AUDIT_SOCKETCALL: {
+		int nargs = context->socketcall.nargs;
+		audit_log_format(ab, "nargs=%d", nargs);
+		for (i = 0; i < nargs; i++)
+			audit_log_format(ab, " a%d=%lx", i,
+				context->socketcall.args[i]);
+		break; }
+	case AUDIT_IPC: {
+		u32 osid = context->ipc.osid;
+
+		audit_log_format(ab, "ouid=%u ogid=%u mode=%#o",
+			 context->ipc.uid, context->ipc.gid, context->ipc.mode);
+		if (osid) {
+			char *ctx = NULL;
+			u32 len;
+			if (security_secid_to_secctx(osid, &ctx, &len)) {
+				audit_log_format(ab, " osid=%u", osid);
+				*call_panic = 1;
+			} else {
+				audit_log_format(ab, " obj=%s", ctx);
+				security_release_secctx(ctx, len);
+			}
+		}
+		if (context->ipc.has_perm) {
+			audit_log_end(ab);
+			ab = audit_log_start(context, GFP_KERNEL,
+					     AUDIT_IPC_SET_PERM);
+			audit_log_format(ab,
+				"qbytes=%lx ouid=%u ogid=%u mode=%#o",
+				context->ipc.qbytes,
+				context->ipc.perm_uid,
+				context->ipc.perm_gid,
+				context->ipc.perm_mode);
+			if (!ab)
+				return;
+		}
+		break; }
+	case AUDIT_MQ_OPEN: {
+		audit_log_format(ab,
+			"oflag=0x%x mode=%#o mq_flags=0x%lx mq_maxmsg=%ld "
+			"mq_msgsize=%ld mq_curmsgs=%ld",
+			context->mq_open.oflag, context->mq_open.mode,
+			context->mq_open.attr.mq_flags,
+			context->mq_open.attr.mq_maxmsg,
+			context->mq_open.attr.mq_msgsize,
+			context->mq_open.attr.mq_curmsgs);
+		break; }
+	case AUDIT_MQ_SENDRECV: {
+		audit_log_format(ab,
+			"mqdes=%d msg_len=%zd msg_prio=%u "
+			"abs_timeout_sec=%ld abs_timeout_nsec=%ld",
+			context->mq_sendrecv.mqdes,
+			context->mq_sendrecv.msg_len,
+			context->mq_sendrecv.msg_prio,
+			context->mq_sendrecv.abs_timeout.tv_sec,
+			context->mq_sendrecv.abs_timeout.tv_nsec);
+		break; }
+	case AUDIT_MQ_NOTIFY: {
+		audit_log_format(ab, "mqdes=%d sigev_signo=%d",
+				context->mq_notify.mqdes,
+				context->mq_notify.sigev_signo);
+		break; }
+	case AUDIT_MQ_GETSETATTR: {
+		struct mq_attr *attr = &context->mq_getsetattr.mqstat;
+		audit_log_format(ab,
+			"mqdes=%d mq_flags=0x%lx mq_maxmsg=%ld mq_msgsize=%ld "
+			"mq_curmsgs=%ld ",
+			context->mq_getsetattr.mqdes,
+			attr->mq_flags, attr->mq_maxmsg,
+			attr->mq_msgsize, attr->mq_curmsgs);
+		break; }
+	case AUDIT_CAPSET: {
+		audit_log_format(ab, "pid=%d", context->capset.pid);
+		audit_log_cap(ab, "cap_pi", &context->capset.cap.inheritable);
+		audit_log_cap(ab, "cap_pp", &context->capset.cap.permitted);
+		audit_log_cap(ab, "cap_pe", &context->capset.cap.effective);
+		break; }
+	}
+	audit_log_end(ab);
+}
+
 static void audit_log_exit(struct audit_context *context, struct task_struct *tsk)
 {
 	const struct cred *cred;
@@ -1307,94 +1386,12 @@
 			continue; /* audit_panic has been called */
 
 		switch (aux->type) {
-		case AUDIT_MQ_OPEN: {
-			struct audit_aux_data_mq_open *axi = (void *)aux;
-			audit_log_format(ab,
-				"oflag=0x%x mode=%#o mq_flags=0x%lx mq_maxmsg=%ld "
-				"mq_msgsize=%ld mq_curmsgs=%ld",
-				axi->oflag, axi->mode, axi->attr.mq_flags,
-				axi->attr.mq_maxmsg, axi->attr.mq_msgsize,
-				axi->attr.mq_curmsgs);
-			break; }
-
-		case AUDIT_MQ_SENDRECV: {
-			struct audit_aux_data_mq_sendrecv *axi = (void *)aux;
-			audit_log_format(ab,
-				"mqdes=%d msg_len=%zd msg_prio=%u "
-				"abs_timeout_sec=%ld abs_timeout_nsec=%ld",
-				axi->mqdes, axi->msg_len, axi->msg_prio,
-				axi->abs_timeout.tv_sec, axi->abs_timeout.tv_nsec);
-			break; }
-
-		case AUDIT_MQ_NOTIFY: {
-			struct audit_aux_data_mq_notify *axi = (void *)aux;
-			audit_log_format(ab,
-				"mqdes=%d sigev_signo=%d",
-				axi->mqdes,
-				axi->notification.sigev_signo);
-			break; }
-
-		case AUDIT_MQ_GETSETATTR: {
-			struct audit_aux_data_mq_getsetattr *axi = (void *)aux;
-			audit_log_format(ab,
-				"mqdes=%d mq_flags=0x%lx mq_maxmsg=%ld mq_msgsize=%ld "
-				"mq_curmsgs=%ld ",
-				axi->mqdes,
-				axi->mqstat.mq_flags, axi->mqstat.mq_maxmsg,
-				axi->mqstat.mq_msgsize, axi->mqstat.mq_curmsgs);
-			break; }
-
-		case AUDIT_IPC: {
-			struct audit_aux_data_ipcctl *axi = (void *)aux;
-			audit_log_format(ab, 
-				 "ouid=%u ogid=%u mode=%#o",
-				 axi->uid, axi->gid, axi->mode);
-			if (axi->osid != 0) {
-				char *ctx = NULL;
-				u32 len;
-				if (security_secid_to_secctx(
-						axi->osid, &ctx, &len)) {
-					audit_log_format(ab, " osid=%u",
-							axi->osid);
-					call_panic = 1;
-				} else {
-					audit_log_format(ab, " obj=%s", ctx);
-					security_release_secctx(ctx, len);
-				}
-			}
-			break; }
-
-		case AUDIT_IPC_SET_PERM: {
-			struct audit_aux_data_ipcctl *axi = (void *)aux;
-			audit_log_format(ab,
-				"qbytes=%lx ouid=%u ogid=%u mode=%#o",
-				axi->qbytes, axi->uid, axi->gid, axi->mode);
-			break; }
 
 		case AUDIT_EXECVE: {
 			struct audit_aux_data_execve *axi = (void *)aux;
 			audit_log_execve_info(context, &ab, axi);
 			break; }
 
-		case AUDIT_SOCKETCALL: {
-			struct audit_aux_data_socketcall *axs = (void *)aux;
-			audit_log_format(ab, "nargs=%d", axs->nargs);
-			for (i=0; i<axs->nargs; i++)
-				audit_log_format(ab, " a%d=%lx", i, axs->args[i]);
-			break; }
-
-		case AUDIT_SOCKADDR: {
-			struct audit_aux_data_sockaddr *axs = (void *)aux;
-
-			audit_log_format(ab, "saddr=");
-			audit_log_n_hex(ab, axs->a, axs->len);
-			break; }
-
-		case AUDIT_FD_PAIR: {
-			struct audit_aux_data_fd_pair *axs = (void *)aux;
-			audit_log_format(ab, "fd0=%d fd1=%d", axs->fd[0], axs->fd[1]);
-			break; }
-
 		case AUDIT_BPRM_FCAPS: {
 			struct audit_aux_data_bprm_fcaps *axs = (void *)aux;
 			audit_log_format(ab, "fver=%x", axs->fcap_ver);
@@ -1409,18 +1406,32 @@
 			audit_log_cap(ab, "new_pe", &axs->new_pcap.effective);
 			break; }
 
-		case AUDIT_CAPSET: {
-			struct audit_aux_data_capset *axs = (void *)aux;
-			audit_log_format(ab, "pid=%d", axs->pid);
-			audit_log_cap(ab, "cap_pi", &axs->cap.inheritable);
-			audit_log_cap(ab, "cap_pp", &axs->cap.permitted);
-			audit_log_cap(ab, "cap_pe", &axs->cap.effective);
-			break; }
-
 		}
 		audit_log_end(ab);
 	}
 
+	if (context->type)
+		show_special(context, &call_panic);
+
+	if (context->fds[0] >= 0) {
+		ab = audit_log_start(context, GFP_KERNEL, AUDIT_FD_PAIR);
+		if (ab) {
+			audit_log_format(ab, "fd0=%d fd1=%d",
+					context->fds[0], context->fds[1]);
+			audit_log_end(ab);
+		}
+	}
+
+	if (context->sockaddr_len) {
+		ab = audit_log_start(context, GFP_KERNEL, AUDIT_SOCKADDR);
+		if (ab) {
+			audit_log_format(ab, "saddr=");
+			audit_log_n_hex(ab, (void *)context->sockaddr,
+					context->sockaddr_len);
+			audit_log_end(ab);
+		}
+	}
+
 	for (aux = context->aux_pids; aux; aux = aux->next) {
 		struct audit_aux_data_pids *axs = (void *)aux;
 
@@ -1536,7 +1547,7 @@
 	 * We use GFP_ATOMIC here because we might be doing this
 	 * in the context of the idle thread */
 	/* that can happen only if we are called from do_exit() */
-	if (context->in_syscall && context->auditable)
+	if (context->in_syscall && context->current_state == AUDIT_RECORD_CONTEXT)
 		audit_log_exit(context, tsk);
 
 	audit_free_context(context);
@@ -1620,15 +1631,17 @@
 
 	state = context->state;
 	context->dummy = !audit_n_rules;
-	if (!context->dummy && (state == AUDIT_SETUP_CONTEXT || state == AUDIT_BUILD_CONTEXT))
+	if (!context->dummy && state == AUDIT_BUILD_CONTEXT) {
+		context->prio = 0;
 		state = audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_ENTRY]);
+	}
 	if (likely(state == AUDIT_DISABLED))
 		return;
 
 	context->serial     = 0;
 	context->ctime      = CURRENT_TIME;
 	context->in_syscall = 1;
-	context->auditable  = !!(state == AUDIT_RECORD_CONTEXT);
+	context->current_state  = state;
 	context->ppid       = 0;
 }
 
@@ -1636,17 +1649,20 @@
 {
 	struct audit_context *ctx = current->audit_context;
 	struct audit_context *p = child->audit_context;
-	if (!p || !ctx || !ctx->auditable)
+	if (!p || !ctx)
+		return;
+	if (!ctx->in_syscall || ctx->current_state != AUDIT_RECORD_CONTEXT)
 		return;
 	p->arch = ctx->arch;
 	p->major = ctx->major;
 	memcpy(p->argv, ctx->argv, sizeof(ctx->argv));
 	p->ctime = ctx->ctime;
 	p->dummy = ctx->dummy;
-	p->auditable = ctx->auditable;
 	p->in_syscall = ctx->in_syscall;
 	p->filterkey = kstrdup(ctx->filterkey, GFP_KERNEL);
 	p->ppid = current->pid;
+	p->prio = ctx->prio;
+	p->current_state = ctx->current_state;
 }
 
 /**
@@ -1670,11 +1686,11 @@
 	if (likely(!context))
 		return;
 
-	if (context->in_syscall && context->auditable)
+	if (context->in_syscall && context->current_state == AUDIT_RECORD_CONTEXT)
 		audit_log_exit(context, tsk);
 
 	context->in_syscall = 0;
-	context->auditable  = 0;
+	context->prio = context->state == AUDIT_RECORD_CONTEXT ? ~0ULL : 0;
 
 	if (context->previous) {
 		struct audit_context *new_context = context->previous;
@@ -1689,8 +1705,13 @@
 		context->aux_pids = NULL;
 		context->target_pid = 0;
 		context->target_sid = 0;
-		kfree(context->filterkey);
-		context->filterkey = NULL;
+		context->sockaddr_len = 0;
+		context->type = 0;
+		context->fds[0] = -1;
+		if (context->state != AUDIT_RECORD_CONTEXT) {
+			kfree(context->filterkey);
+			context->filterkey = NULL;
+		}
 		tsk->audit_context = context;
 	}
 }
@@ -2081,7 +2102,10 @@
 	t->tv_sec  = ctx->ctime.tv_sec;
 	t->tv_nsec = ctx->ctime.tv_nsec;
 	*serial    = ctx->serial;
-	ctx->auditable = 1;
+	if (!ctx->prio) {
+		ctx->prio = 1;
+		ctx->current_state = AUDIT_RECORD_CONTEXT;
+	}
 	return 1;
 }
 
@@ -2127,132 +2151,46 @@
  * @mode: mode bits
  * @u_attr: queue attributes
  *
- * Returns 0 for success or NULL context or < 0 on error.
  */
-int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
+void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr)
 {
-	struct audit_aux_data_mq_open *ax;
 	struct audit_context *context = current->audit_context;
 
-	if (!audit_enabled)
-		return 0;
+	if (attr)
+		memcpy(&context->mq_open.attr, attr, sizeof(struct mq_attr));
+	else
+		memset(&context->mq_open.attr, 0, sizeof(struct mq_attr));
 
-	if (likely(!context))
-		return 0;
+	context->mq_open.oflag = oflag;
+	context->mq_open.mode = mode;
 
-	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
-	if (!ax)
-		return -ENOMEM;
-
-	if (u_attr != NULL) {
-		if (copy_from_user(&ax->attr, u_attr, sizeof(ax->attr))) {
-			kfree(ax);
-			return -EFAULT;
-		}
-	} else
-		memset(&ax->attr, 0, sizeof(ax->attr));
-
-	ax->oflag = oflag;
-	ax->mode = mode;
-
-	ax->d.type = AUDIT_MQ_OPEN;
-	ax->d.next = context->aux;
-	context->aux = (void *)ax;
-	return 0;
+	context->type = AUDIT_MQ_OPEN;
 }
 
 /**
- * __audit_mq_timedsend - record audit data for a POSIX MQ timed send
+ * __audit_mq_sendrecv - record audit data for a POSIX MQ timed send/receive
  * @mqdes: MQ descriptor
  * @msg_len: Message length
  * @msg_prio: Message priority
- * @u_abs_timeout: Message timeout in absolute time
+ * @abs_timeout: Message timeout in absolute time
  *
- * Returns 0 for success or NULL context or < 0 on error.
  */
-int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio,
-			const struct timespec __user *u_abs_timeout)
+void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio,
+			const struct timespec *abs_timeout)
 {
-	struct audit_aux_data_mq_sendrecv *ax;
 	struct audit_context *context = current->audit_context;
+	struct timespec *p = &context->mq_sendrecv.abs_timeout;
 
-	if (!audit_enabled)
-		return 0;
+	if (abs_timeout)
+		memcpy(p, abs_timeout, sizeof(struct timespec));
+	else
+		memset(p, 0, sizeof(struct timespec));
 
-	if (likely(!context))
-		return 0;
+	context->mq_sendrecv.mqdes = mqdes;
+	context->mq_sendrecv.msg_len = msg_len;
+	context->mq_sendrecv.msg_prio = msg_prio;
 
-	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
-	if (!ax)
-		return -ENOMEM;
-
-	if (u_abs_timeout != NULL) {
-		if (copy_from_user(&ax->abs_timeout, u_abs_timeout, sizeof(ax->abs_timeout))) {
-			kfree(ax);
-			return -EFAULT;
-		}
-	} else
-		memset(&ax->abs_timeout, 0, sizeof(ax->abs_timeout));
-
-	ax->mqdes = mqdes;
-	ax->msg_len = msg_len;
-	ax->msg_prio = msg_prio;
-
-	ax->d.type = AUDIT_MQ_SENDRECV;
-	ax->d.next = context->aux;
-	context->aux = (void *)ax;
-	return 0;
-}
-
-/**
- * __audit_mq_timedreceive - record audit data for a POSIX MQ timed receive
- * @mqdes: MQ descriptor
- * @msg_len: Message length
- * @u_msg_prio: Message priority
- * @u_abs_timeout: Message timeout in absolute time
- *
- * Returns 0 for success or NULL context or < 0 on error.
- */
-int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len,
-				unsigned int __user *u_msg_prio,
-				const struct timespec __user *u_abs_timeout)
-{
-	struct audit_aux_data_mq_sendrecv *ax;
-	struct audit_context *context = current->audit_context;
-
-	if (!audit_enabled)
-		return 0;
-
-	if (likely(!context))
-		return 0;
-
-	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
-	if (!ax)
-		return -ENOMEM;
-
-	if (u_msg_prio != NULL) {
-		if (get_user(ax->msg_prio, u_msg_prio)) {
-			kfree(ax);
-			return -EFAULT;
-		}
-	} else
-		ax->msg_prio = 0;
-
-	if (u_abs_timeout != NULL) {
-		if (copy_from_user(&ax->abs_timeout, u_abs_timeout, sizeof(ax->abs_timeout))) {
-			kfree(ax);
-			return -EFAULT;
-		}
-	} else
-		memset(&ax->abs_timeout, 0, sizeof(ax->abs_timeout));
-
-	ax->mqdes = mqdes;
-	ax->msg_len = msg_len;
-
-	ax->d.type = AUDIT_MQ_SENDRECV;
-	ax->d.next = context->aux;
-	context->aux = (void *)ax;
-	return 0;
+	context->type = AUDIT_MQ_SENDRECV;
 }
 
 /**
@@ -2260,38 +2198,19 @@
  * @mqdes: MQ descriptor
  * @u_notification: Notification event
  *
- * Returns 0 for success or NULL context or < 0 on error.
  */
 
-int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
+void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
 {
-	struct audit_aux_data_mq_notify *ax;
 	struct audit_context *context = current->audit_context;
 
-	if (!audit_enabled)
-		return 0;
+	if (notification)
+		context->mq_notify.sigev_signo = notification->sigev_signo;
+	else
+		context->mq_notify.sigev_signo = 0;
 
-	if (likely(!context))
-		return 0;
-
-	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
-	if (!ax)
-		return -ENOMEM;
-
-	if (u_notification != NULL) {
-		if (copy_from_user(&ax->notification, u_notification, sizeof(ax->notification))) {
-			kfree(ax);
-			return -EFAULT;
-		}
-	} else
-		memset(&ax->notification, 0, sizeof(ax->notification));
-
-	ax->mqdes = mqdes;
-
-	ax->d.type = AUDIT_MQ_NOTIFY;
-	ax->d.next = context->aux;
-	context->aux = (void *)ax;
-	return 0;
+	context->mq_notify.mqdes = mqdes;
+	context->type = AUDIT_MQ_NOTIFY;
 }
 
 /**
@@ -2299,55 +2218,29 @@
  * @mqdes: MQ descriptor
  * @mqstat: MQ flags
  *
- * Returns 0 for success or NULL context or < 0 on error.
  */
-int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
+void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
 {
-	struct audit_aux_data_mq_getsetattr *ax;
 	struct audit_context *context = current->audit_context;
-
-	if (!audit_enabled)
-		return 0;
-
-	if (likely(!context))
-		return 0;
-
-	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
-	if (!ax)
-		return -ENOMEM;
-
-	ax->mqdes = mqdes;
-	ax->mqstat = *mqstat;
-
-	ax->d.type = AUDIT_MQ_GETSETATTR;
-	ax->d.next = context->aux;
-	context->aux = (void *)ax;
-	return 0;
+	context->mq_getsetattr.mqdes = mqdes;
+	context->mq_getsetattr.mqstat = *mqstat;
+	context->type = AUDIT_MQ_GETSETATTR;
 }
 
 /**
  * audit_ipc_obj - record audit data for ipc object
  * @ipcp: ipc permissions
  *
- * Returns 0 for success or NULL context or < 0 on error.
  */
-int __audit_ipc_obj(struct kern_ipc_perm *ipcp)
+void __audit_ipc_obj(struct kern_ipc_perm *ipcp)
 {
-	struct audit_aux_data_ipcctl *ax;
 	struct audit_context *context = current->audit_context;
-
-	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
-	if (!ax)
-		return -ENOMEM;
-
-	ax->uid = ipcp->uid;
-	ax->gid = ipcp->gid;
-	ax->mode = ipcp->mode;
-	security_ipc_getsecid(ipcp, &ax->osid);
-	ax->d.type = AUDIT_IPC;
-	ax->d.next = context->aux;
-	context->aux = (void *)ax;
-	return 0;
+	context->ipc.uid = ipcp->uid;
+	context->ipc.gid = ipcp->gid;
+	context->ipc.mode = ipcp->mode;
+	context->ipc.has_perm = 0;
+	security_ipc_getsecid(ipcp, &context->ipc.osid);
+	context->type = AUDIT_IPC;
 }
 
 /**
@@ -2357,26 +2250,17 @@
  * @gid: msgq group id
  * @mode: msgq mode (permissions)
  *
- * Returns 0 for success or NULL context or < 0 on error.
+ * Called only after audit_ipc_obj().
  */
-int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
+void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
 {
-	struct audit_aux_data_ipcctl *ax;
 	struct audit_context *context = current->audit_context;
 
-	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
-	if (!ax)
-		return -ENOMEM;
-
-	ax->qbytes = qbytes;
-	ax->uid = uid;
-	ax->gid = gid;
-	ax->mode = mode;
-
-	ax->d.type = AUDIT_IPC_SET_PERM;
-	ax->d.next = context->aux;
-	context->aux = (void *)ax;
-	return 0;
+	context->ipc.qbytes = qbytes;
+	context->ipc.perm_uid = uid;
+	context->ipc.perm_gid = gid;
+	context->ipc.perm_mode = mode;
+	context->ipc.has_perm = 1;
 }
 
 int audit_bprm(struct linux_binprm *bprm)
@@ -2406,27 +2290,17 @@
  * @nargs: number of args
  * @args: args array
  *
- * Returns 0 for success or NULL context or < 0 on error.
  */
-int audit_socketcall(int nargs, unsigned long *args)
+void audit_socketcall(int nargs, unsigned long *args)
 {
-	struct audit_aux_data_socketcall *ax;
 	struct audit_context *context = current->audit_context;
 
 	if (likely(!context || context->dummy))
-		return 0;
+		return;
 
-	ax = kmalloc(sizeof(*ax) + nargs * sizeof(unsigned long), GFP_KERNEL);
-	if (!ax)
-		return -ENOMEM;
-
-	ax->nargs = nargs;
-	memcpy(ax->args, args, nargs * sizeof(unsigned long));
-
-	ax->d.type = AUDIT_SOCKETCALL;
-	ax->d.next = context->aux;
-	context->aux = (void *)ax;
-	return 0;
+	context->type = AUDIT_SOCKETCALL;
+	context->socketcall.nargs = nargs;
+	memcpy(context->socketcall.args, args, nargs * sizeof(unsigned long));
 }
 
 /**
@@ -2434,29 +2308,12 @@
  * @fd1: the first file descriptor
  * @fd2: the second file descriptor
  *
- * Returns 0 for success or NULL context or < 0 on error.
  */
-int __audit_fd_pair(int fd1, int fd2)
+void __audit_fd_pair(int fd1, int fd2)
 {
 	struct audit_context *context = current->audit_context;
-	struct audit_aux_data_fd_pair *ax;
-
-	if (likely(!context)) {
-		return 0;
-	}
-
-	ax = kmalloc(sizeof(*ax), GFP_KERNEL);
-	if (!ax) {
-		return -ENOMEM;
-	}
-
-	ax->fd[0] = fd1;
-	ax->fd[1] = fd2;
-
-	ax->d.type = AUDIT_FD_PAIR;
-	ax->d.next = context->aux;
-	context->aux = (void *)ax;
-	return 0;
+	context->fds[0] = fd1;
+	context->fds[1] = fd2;
 }
 
 /**
@@ -2468,22 +2325,20 @@
  */
 int audit_sockaddr(int len, void *a)
 {
-	struct audit_aux_data_sockaddr *ax;
 	struct audit_context *context = current->audit_context;
 
 	if (likely(!context || context->dummy))
 		return 0;
 
-	ax = kmalloc(sizeof(*ax) + len, GFP_KERNEL);
-	if (!ax)
-		return -ENOMEM;
+	if (!context->sockaddr) {
+		void *p = kmalloc(sizeof(struct sockaddr_storage), GFP_KERNEL);
+		if (!p)
+			return -ENOMEM;
+		context->sockaddr = p;
+	}
 
-	ax->len = len;
-	memcpy(ax->a, a, len);
-
-	ax->d.type = AUDIT_SOCKADDR;
-	ax->d.next = context->aux;
-	context->aux = (void *)ax;
+	context->sockaddr_len = len;
+	memcpy(context->sockaddr, a, len);
 	return 0;
 }
 
@@ -2617,29 +2472,15 @@
  * Record the aguments userspace sent to sys_capset for later printing by the
  * audit system if applicable
  */
-int __audit_log_capset(pid_t pid,
+void __audit_log_capset(pid_t pid,
 		       const struct cred *new, const struct cred *old)
 {
-	struct audit_aux_data_capset *ax;
 	struct audit_context *context = current->audit_context;
-
-	if (likely(!audit_enabled || !context || context->dummy))
-		return 0;
-
-	ax = kmalloc(sizeof(*ax), GFP_KERNEL);
-	if (!ax)
-		return -ENOMEM;
-
-	ax->d.type = AUDIT_CAPSET;
-	ax->d.next = context->aux;
-	context->aux = (void *)ax;
-
-	ax->pid = pid;
-	ax->cap.effective   = new->cap_effective;
-	ax->cap.inheritable = new->cap_effective;
-	ax->cap.permitted   = new->cap_permitted;
-
-	return 0;
+	context->capset.pid = pid;
+	context->capset.cap.effective   = new->cap_effective;
+	context->capset.cap.inheritable = new->cap_effective;
+	context->capset.cap.permitted   = new->cap_permitted;
+	context->type = AUDIT_CAPSET;
 }
 
 /**
diff --git a/kernel/capability.c b/kernel/capability.c
index 36b4b4d..c598d9d 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -280,9 +280,7 @@
 	if (ret < 0)
 		goto error;
 
-	ret = audit_log_capset(pid, new, current_cred());
-	if (ret < 0)
-		return ret;
+	audit_log_capset(pid, new, current_cred());
 
 	return commit_creds(new);
 
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 48348dd..87bb025 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -573,7 +573,6 @@
 		inode->i_mode = mode;
 		inode->i_uid = current_fsuid();
 		inode->i_gid = current_fsgid();
-		inode->i_blocks = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 		inode->i_mapping->backing_dev_info = &cgroup_backing_dev_info;
 	}
@@ -2945,7 +2944,11 @@
 	parent = task_cgroup(tsk, subsys->subsys_id);
 
 	/* Pin the hierarchy */
-	atomic_inc(&parent->root->sb->s_active);
+	if (!atomic_inc_not_zero(&parent->root->sb->s_active)) {
+		/* We race with the final deactivate_super() */
+		mutex_unlock(&cgroup_mutex);
+		return 0;
+	}
 
 	/* Keep the cgroup alive */
 	get_css_set(cg);
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 47fff3b..30e74dd 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -269,8 +269,11 @@
 
 int __ref cpu_down(unsigned int cpu)
 {
-	int err = 0;
+	int err;
 
+	err = stop_machine_create();
+	if (err)
+		return err;
 	cpu_maps_update_begin();
 
 	if (cpu_hotplug_disabled) {
@@ -297,6 +300,7 @@
 
 out:
 	cpu_maps_update_done();
+	stop_machine_destroy();
 	return err;
 }
 EXPORT_SYMBOL(cpu_down);
diff --git a/kernel/module.c b/kernel/module.c
index dd2a541..f47cce9 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -757,8 +757,16 @@
 		return -EFAULT;
 	name[MODULE_NAME_LEN-1] = '\0';
 
-	if (mutex_lock_interruptible(&module_mutex) != 0)
-		return -EINTR;
+	/* Create stop_machine threads since free_module relies on
+	 * a non-failing stop_machine call. */
+	ret = stop_machine_create();
+	if (ret)
+		return ret;
+
+	if (mutex_lock_interruptible(&module_mutex) != 0) {
+		ret = -EINTR;
+		goto out_stop;
+	}
 
 	mod = find_module(name);
 	if (!mod) {
@@ -817,10 +825,12 @@
 
  out:
 	mutex_unlock(&module_mutex);
+out_stop:
+	stop_machine_destroy();
 	return ret;
 }
 
-static void print_unload_info(struct seq_file *m, struct module *mod)
+static inline void print_unload_info(struct seq_file *m, struct module *mod)
 {
 	struct module_use *use;
 	int printed_something = 0;
@@ -893,7 +903,7 @@
 EXPORT_SYMBOL(module_put);
 
 #else /* !CONFIG_MODULE_UNLOAD */
-static void print_unload_info(struct seq_file *m, struct module *mod)
+static inline void print_unload_info(struct seq_file *m, struct module *mod)
 {
 	/* We don't know the usage count, or what modules are using. */
 	seq_printf(m, " - -");
@@ -1578,11 +1588,21 @@
 	return ret;
 }
 
+/* Additional bytes needed by arch in front of individual sections */
+unsigned int __weak arch_mod_section_prepend(struct module *mod,
+					     unsigned int section)
+{
+	/* default implementation just returns zero */
+	return 0;
+}
+
 /* Update size with this section: return offset. */
-static long get_offset(unsigned int *size, Elf_Shdr *sechdr)
+static long get_offset(struct module *mod, unsigned int *size,
+		       Elf_Shdr *sechdr, unsigned int section)
 {
 	long ret;
 
+	*size += arch_mod_section_prepend(mod, section);
 	ret = ALIGN(*size, sechdr->sh_addralign ?: 1);
 	*size = ret + sechdr->sh_size;
 	return ret;
@@ -1622,7 +1642,7 @@
 			    || strncmp(secstrings + s->sh_name,
 				       ".init", 5) == 0)
 				continue;
-			s->sh_entsize = get_offset(&mod->core_size, s);
+			s->sh_entsize = get_offset(mod, &mod->core_size, s, i);
 			DEBUGP("\t%s\n", secstrings + s->sh_name);
 		}
 		if (m == 0)
@@ -1640,7 +1660,7 @@
 			    || strncmp(secstrings + s->sh_name,
 				       ".init", 5) != 0)
 				continue;
-			s->sh_entsize = (get_offset(&mod->init_size, s)
+			s->sh_entsize = (get_offset(mod, &mod->init_size, s, i)
 					 | INIT_OFFSET_MASK);
 			DEBUGP("\t%s\n", secstrings + s->sh_name);
 		}
@@ -1725,15 +1745,15 @@
 	return NULL;
 }
 
-static int is_exported(const char *name, const struct module *mod)
+static int is_exported(const char *name, unsigned long value,
+		       const struct module *mod)
 {
-	if (!mod && lookup_symbol(name, __start___ksymtab, __stop___ksymtab))
-		return 1;
+	const struct kernel_symbol *ks;
+	if (!mod)
+		ks = lookup_symbol(name, __start___ksymtab, __stop___ksymtab);
 	else
-		if (mod && lookup_symbol(name, mod->syms, mod->syms + mod->num_syms))
-			return 1;
-		else
-			return 0;
+		ks = lookup_symbol(name, mod->syms, mod->syms + mod->num_syms);
+	return ks != NULL && ks->value == value;
 }
 
 /* As per nm */
@@ -1865,6 +1885,13 @@
 	/* vmalloc barfs on "unusual" numbers.  Check here */
 	if (len > 64 * 1024 * 1024 || (hdr = vmalloc(len)) == NULL)
 		return ERR_PTR(-ENOMEM);
+
+	/* Create stop_machine threads since the error path relies on
+	 * a non-failing stop_machine call. */
+	err = stop_machine_create();
+	if (err)
+		goto free_hdr;
+
 	if (copy_from_user(hdr, umod, len) != 0) {
 		err = -EFAULT;
 		goto free_hdr;
@@ -2248,6 +2275,7 @@
 	/* Get rid of temporary copy */
 	vfree(hdr);
 
+	stop_machine_destroy();
 	/* Done! */
 	return mod;
 
@@ -2270,6 +2298,7 @@
 	kfree(args);
  free_hdr:
 	vfree(hdr);
+	stop_machine_destroy();
 	return ERR_PTR(err);
 
  truncated:
@@ -2504,7 +2533,7 @@
 			strlcpy(name, mod->strtab + mod->symtab[symnum].st_name,
 				KSYM_NAME_LEN);
 			strlcpy(module_name, mod->name, MODULE_NAME_LEN);
-			*exported = is_exported(name, mod);
+			*exported = is_exported(name, *value, mod);
 			preempt_enable();
 			return 0;
 		}
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 286c417..0cd415e 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -38,7 +38,10 @@
 static unsigned int num_threads;
 static atomic_t thread_ack;
 static DEFINE_MUTEX(lock);
-
+/* setup_lock protects refcount, stop_machine_wq and stop_machine_work. */
+static DEFINE_MUTEX(setup_lock);
+/* Users of stop_machine. */
+static int refcount;
 static struct workqueue_struct *stop_machine_wq;
 static struct stop_machine_data active, idle;
 static const cpumask_t *active_cpus;
@@ -109,6 +112,43 @@
 	return 0;
 }
 
+int stop_machine_create(void)
+{
+	mutex_lock(&setup_lock);
+	if (refcount)
+		goto done;
+	stop_machine_wq = create_rt_workqueue("kstop");
+	if (!stop_machine_wq)
+		goto err_out;
+	stop_machine_work = alloc_percpu(struct work_struct);
+	if (!stop_machine_work)
+		goto err_out;
+done:
+	refcount++;
+	mutex_unlock(&setup_lock);
+	return 0;
+
+err_out:
+	if (stop_machine_wq)
+		destroy_workqueue(stop_machine_wq);
+	mutex_unlock(&setup_lock);
+	return -ENOMEM;
+}
+EXPORT_SYMBOL_GPL(stop_machine_create);
+
+void stop_machine_destroy(void)
+{
+	mutex_lock(&setup_lock);
+	refcount--;
+	if (refcount)
+		goto done;
+	destroy_workqueue(stop_machine_wq);
+	free_percpu(stop_machine_work);
+done:
+	mutex_unlock(&setup_lock);
+}
+EXPORT_SYMBOL_GPL(stop_machine_destroy);
+
 int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus)
 {
 	struct work_struct *sm_work;
@@ -146,19 +186,14 @@
 {
 	int ret;
 
+	ret = stop_machine_create();
+	if (ret)
+		return ret;
 	/* No CPUs can come up or down during this. */
 	get_online_cpus();
 	ret = __stop_machine(fn, data, cpus);
 	put_online_cpus();
-
+	stop_machine_destroy();
 	return ret;
 }
 EXPORT_SYMBOL_GPL(stop_machine);
-
-static int __init stop_machine_init(void)
-{
-	stop_machine_wq = create_rt_workqueue("kstop");
-	stop_machine_work = alloc_percpu(struct work_struct);
-	return 0;
-}
-core_initcall(stop_machine_init);
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index fa2dc4e5..7f5e21b 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -23,7 +23,6 @@
 #include <linux/spinlock.h>
 #include <linux/swiotlb.h>
 #include <linux/string.h>
-#include <linux/swiotlb.h>
 #include <linux/types.h>
 #include <linux/ctype.h>
 #include <linux/highmem.h>
@@ -116,7 +115,7 @@
 __setup("swiotlb=", setup_io_tlb_npages);
 /* make io_tlb_overflow tunable too? */
 
-void * __weak swiotlb_alloc_boot(size_t size, unsigned long nslabs)
+void * __weak __init swiotlb_alloc_boot(size_t size, unsigned long nslabs)
 {
 	return alloc_bootmem_low_pages(size);
 }
diff --git a/mm/filemap.c b/mm/filemap.c
index f3e5f89..f5769b4 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1766,7 +1766,7 @@
 	if (unlikely((mode & S_ISGID) && (mode & S_IXGRP)))
 		kill |= ATTR_KILL_SGID;
 
-	if (unlikely(kill && !capable(CAP_FSETID)))
+	if (unlikely(kill && !capable(CAP_FSETID) && S_ISREG(mode)))
 		return kill;
 
 	return 0;
@@ -2140,19 +2140,24 @@
  * Find or create a page at the given pagecache position. Return the locked
  * page. This function is specifically for buffered writes.
  */
-struct page *__grab_cache_page(struct address_space *mapping, pgoff_t index)
+struct page *grab_cache_page_write_begin(struct address_space *mapping,
+					pgoff_t index, unsigned flags)
 {
 	int status;
 	struct page *page;
+	gfp_t gfp_notmask = 0;
+	if (flags & AOP_FLAG_NOFS)
+		gfp_notmask = __GFP_FS;
 repeat:
 	page = find_lock_page(mapping, index);
 	if (likely(page))
 		return page;
 
-	page = page_cache_alloc(mapping);
+	page = __page_cache_alloc(mapping_gfp_mask(mapping) & ~gfp_notmask);
 	if (!page)
 		return NULL;
-	status = add_to_page_cache_lru(page, mapping, index, GFP_KERNEL);
+	status = add_to_page_cache_lru(page, mapping, index,
+						GFP_KERNEL & ~gfp_notmask);
 	if (unlikely(status)) {
 		page_cache_release(page);
 		if (status == -EEXIST)
@@ -2161,7 +2166,7 @@
 	}
 	return page;
 }
-EXPORT_SYMBOL(__grab_cache_page);
+EXPORT_SYMBOL(grab_cache_page_write_begin);
 
 static ssize_t generic_perform_write(struct file *file,
 				struct iov_iter *i, loff_t pos)
diff --git a/mm/memory.c b/mm/memory.c
index 0a2010a..7b9db65 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2266,7 +2266,7 @@
 		unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1);
 	}
 
-	if (inode->i_op && inode->i_op->truncate)
+	if (inode->i_op->truncate)
 		inode->i_op->truncate(inode);
 	return 0;
 
@@ -2286,7 +2286,7 @@
 	 * a way to truncate a range of blocks (punch a hole) -
 	 * we should return failure right now.
 	 */
-	if (!inode->i_op || !inode->i_op->truncate_range)
+	if (!inode->i_op->truncate_range)
 		return -ENOSYS;
 
 	mutex_lock(&inode->i_mutex);
diff --git a/mm/mmap.c b/mm/mmap.c
index d4855a68..2c778fc 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -3,7 +3,7 @@
  *
  * Written by obz.
  *
- * Address space accounting code	<alan@redhat.com>
+ * Address space accounting code	<alan@lxorguk.ukuu.org.uk>
  */
 
 #include <linux/slab.h>
diff --git a/mm/mprotect.c b/mm/mprotect.c
index fded06f..cfb4c48 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -4,7 +4,7 @@
  *  (C) Copyright 1994 Linus Torvalds
  *  (C) Copyright 2002 Christoph Hellwig
  *
- *  Address space accounting code	<alan@redhat.com>
+ *  Address space accounting code	<alan@lxorguk.ukuu.org.uk>
  *  (C) Copyright 2002 Red Hat Inc, All Rights Reserved
  */
 
diff --git a/mm/mremap.c b/mm/mremap.c
index 58a2908..646de95 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -3,7 +3,7 @@
  *
  *	(C) Copyright 1996 Linus Torvalds
  *
- *	Address space accounting code	<alan@redhat.com>
+ *	Address space accounting code	<alan@lxorguk.ukuu.org.uk>
  *	(C) Copyright 2002 Red Hat Inc, All Rights Reserved
  */
 
diff --git a/mm/msync.c b/mm/msync.c
index 144a757..07dae08 100644
--- a/mm/msync.c
+++ b/mm/msync.c
@@ -82,7 +82,7 @@
 				(vma->vm_flags & VM_SHARED)) {
 			get_file(file);
 			up_read(&mm->mmap_sem);
-			error = do_fsync(file, 0);
+			error = vfs_fsync(file, file->f_path.dentry, 0);
 			fput(file);
 			if (error || start >= end)
 				goto out;
diff --git a/mm/nommu.c b/mm/nommu.c
index 7695dc8..1c28ea3 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -86,7 +86,7 @@
 	i_size_write(inode, offset);
 
 out_truncate:
-	if (inode->i_op && inode->i_op->truncate)
+	if (inode->i_op->truncate)
 		inode->i_op->truncate(inode);
 	return 0;
 out_sig:
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 1ddb77b..7465f22 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -151,11 +151,12 @@
  *
  * Ie. pte at addr+N*PAGE_SIZE shall point to pfn corresponding to pages[N]
  */
-static int vmap_page_range(unsigned long addr, unsigned long end,
+static int vmap_page_range(unsigned long start, unsigned long end,
 				pgprot_t prot, struct page **pages)
 {
 	pgd_t *pgd;
 	unsigned long next;
+	unsigned long addr = start;
 	int err = 0;
 	int nr = 0;
 
@@ -167,7 +168,7 @@
 		if (err)
 			break;
 	} while (pgd++, addr = next, addr != end);
-	flush_cache_vmap(addr, end);
+	flush_cache_vmap(start, end);
 
 	if (unlikely(err))
 		return err;
diff --git a/net/can/bcm.c b/net/can/bcm.c
index da0d426..6248ae2 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -70,7 +70,7 @@
 
 #define CAN_BCM_VERSION CAN_VERSION
 static __initdata const char banner[] = KERN_INFO
-	"can: broadcast manager protocol (rev " CAN_BCM_VERSION ")\n";
+	"can: broadcast manager protocol (rev " CAN_BCM_VERSION " t)\n";
 
 MODULE_DESCRIPTION("PF_CAN broadcast manager protocol");
 MODULE_LICENSE("Dual BSD/GPL");
@@ -90,6 +90,7 @@
 	unsigned long frames_abs, frames_filtered;
 	struct timeval ival1, ival2;
 	struct hrtimer timer, thrtimer;
+	struct tasklet_struct tsklet, thrtsklet;
 	ktime_t rx_stamp, kt_ival1, kt_ival2, kt_lastmsg;
 	int rx_ifindex;
 	int count;
@@ -341,6 +342,23 @@
 	}
 }
 
+static void bcm_tx_timeout_tsklet(unsigned long data)
+{
+	struct bcm_op *op = (struct bcm_op *)data;
+	struct bcm_msg_head msg_head;
+
+	/* create notification to user */
+	msg_head.opcode  = TX_EXPIRED;
+	msg_head.flags   = op->flags;
+	msg_head.count   = op->count;
+	msg_head.ival1   = op->ival1;
+	msg_head.ival2   = op->ival2;
+	msg_head.can_id  = op->can_id;
+	msg_head.nframes = 0;
+
+	bcm_send_to_user(op, &msg_head, NULL, 0);
+}
+
 /*
  * bcm_tx_timeout_handler - performes cyclic CAN frame transmissions
  */
@@ -352,20 +370,8 @@
 	if (op->kt_ival1.tv64 && (op->count > 0)) {
 
 		op->count--;
-		if (!op->count && (op->flags & TX_COUNTEVT)) {
-			struct bcm_msg_head msg_head;
-
-			/* create notification to user */
-			msg_head.opcode  = TX_EXPIRED;
-			msg_head.flags   = op->flags;
-			msg_head.count   = op->count;
-			msg_head.ival1   = op->ival1;
-			msg_head.ival2   = op->ival2;
-			msg_head.can_id  = op->can_id;
-			msg_head.nframes = 0;
-
-			bcm_send_to_user(op, &msg_head, NULL, 0);
-		}
+		if (!op->count && (op->flags & TX_COUNTEVT))
+			tasklet_schedule(&op->tsklet);
 	}
 
 	if (op->kt_ival1.tv64 && (op->count > 0)) {
@@ -402,6 +408,9 @@
 	if (op->frames_filtered > ULONG_MAX/100)
 		op->frames_filtered = op->frames_abs = 0;
 
+	/* this element is not throttled anymore */
+	data->can_dlc &= (BCM_CAN_DLC_MASK|RX_RECV);
+
 	head.opcode  = RX_CHANGED;
 	head.flags   = op->flags;
 	head.count   = op->count;
@@ -420,37 +429,32 @@
  */
 static void bcm_rx_update_and_send(struct bcm_op *op,
 				   struct can_frame *lastdata,
-				   struct can_frame *rxdata)
+				   const struct can_frame *rxdata)
 {
 	memcpy(lastdata, rxdata, CFSIZ);
 
-	/* mark as used */
-	lastdata->can_dlc |= RX_RECV;
+	/* mark as used and throttled by default */
+	lastdata->can_dlc |= (RX_RECV|RX_THR);
 
-	/* throtteling mode inactive OR data update already on the run ? */
-	if (!op->kt_ival2.tv64 || hrtimer_callback_running(&op->thrtimer)) {
+	/* throtteling mode inactive ? */
+	if (!op->kt_ival2.tv64) {
 		/* send RX_CHANGED to the user immediately */
-		bcm_rx_changed(op, rxdata);
+		bcm_rx_changed(op, lastdata);
 		return;
 	}
 
-	if (hrtimer_active(&op->thrtimer)) {
-		/* mark as 'throttled' */
-		lastdata->can_dlc |= RX_THR;
+	/* with active throttling timer we are just done here */
+	if (hrtimer_active(&op->thrtimer))
 		return;
-	}
 
-	if (!op->kt_lastmsg.tv64) {
-		/* send first RX_CHANGED to the user immediately */
-		bcm_rx_changed(op, rxdata);
-		op->kt_lastmsg = ktime_get();
-		return;
-	}
+	/* first receiption with enabled throttling mode */
+	if (!op->kt_lastmsg.tv64)
+		goto rx_changed_settime;
 
+	/* got a second frame inside a potential throttle period? */
 	if (ktime_us_delta(ktime_get(), op->kt_lastmsg) <
 	    ktime_to_us(op->kt_ival2)) {
-		/* mark as 'throttled' and start timer */
-		lastdata->can_dlc |= RX_THR;
+		/* do not send the saved data - only start throttle timer */
 		hrtimer_start(&op->thrtimer,
 			      ktime_add(op->kt_lastmsg, op->kt_ival2),
 			      HRTIMER_MODE_ABS);
@@ -458,7 +462,8 @@
 	}
 
 	/* the gap was that big, that throttling was not needed here */
-	bcm_rx_changed(op, rxdata);
+rx_changed_settime:
+	bcm_rx_changed(op, lastdata);
 	op->kt_lastmsg = ktime_get();
 }
 
@@ -467,7 +472,7 @@
  *                       received data stored in op->last_frames[]
  */
 static void bcm_rx_cmp_to_index(struct bcm_op *op, int index,
-				struct can_frame *rxdata)
+				const struct can_frame *rxdata)
 {
 	/*
 	 * no one uses the MSBs of can_dlc for comparation,
@@ -511,14 +516,12 @@
 		hrtimer_start(&op->timer, op->kt_ival1, HRTIMER_MODE_REL);
 }
 
-/*
- * bcm_rx_timeout_handler - when the (cyclic) CAN frame receiption timed out
- */
-static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer)
+static void bcm_rx_timeout_tsklet(unsigned long data)
 {
-	struct bcm_op *op = container_of(hrtimer, struct bcm_op, timer);
+	struct bcm_op *op = (struct bcm_op *)data;
 	struct bcm_msg_head msg_head;
 
+	/* create notification to user */
 	msg_head.opcode  = RX_TIMEOUT;
 	msg_head.flags   = op->flags;
 	msg_head.count   = op->count;
@@ -528,6 +531,17 @@
 	msg_head.nframes = 0;
 
 	bcm_send_to_user(op, &msg_head, NULL, 0);
+}
+
+/*
+ * bcm_rx_timeout_handler - when the (cyclic) CAN frame receiption timed out
+ */
+static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer)
+{
+	struct bcm_op *op = container_of(hrtimer, struct bcm_op, timer);
+
+	/* schedule before NET_RX_SOFTIRQ */
+	tasklet_hi_schedule(&op->tsklet);
 
 	/* no restart of the timer is done here! */
 
@@ -541,9 +555,25 @@
 }
 
 /*
- * bcm_rx_thr_flush - Check for throttled data and send it to the userspace
+ * bcm_rx_do_flush - helper for bcm_rx_thr_flush
  */
-static int bcm_rx_thr_flush(struct bcm_op *op)
+static inline int bcm_rx_do_flush(struct bcm_op *op, int update, int index)
+{
+	if ((op->last_frames) && (op->last_frames[index].can_dlc & RX_THR)) {
+		if (update)
+			bcm_rx_changed(op, &op->last_frames[index]);
+		return 1;
+	}
+	return 0;
+}
+
+/*
+ * bcm_rx_thr_flush - Check for throttled data and send it to the userspace
+ *
+ * update == 0 : just check if throttled data is available  (any irq context)
+ * update == 1 : check and send throttled data to userspace (soft_irq context)
+ */
+static int bcm_rx_thr_flush(struct bcm_op *op, int update)
 {
 	int updated = 0;
 
@@ -551,27 +581,25 @@
 		int i;
 
 		/* for MUX filter we start at index 1 */
-		for (i = 1; i < op->nframes; i++) {
-			if ((op->last_frames) &&
-			    (op->last_frames[i].can_dlc & RX_THR)) {
-				op->last_frames[i].can_dlc &= ~RX_THR;
-				bcm_rx_changed(op, &op->last_frames[i]);
-				updated++;
-			}
-		}
+		for (i = 1; i < op->nframes; i++)
+			updated += bcm_rx_do_flush(op, update, i);
 
 	} else {
 		/* for RX_FILTER_ID and simple filter */
-		if (op->last_frames && (op->last_frames[0].can_dlc & RX_THR)) {
-			op->last_frames[0].can_dlc &= ~RX_THR;
-			bcm_rx_changed(op, &op->last_frames[0]);
-			updated++;
-		}
+		updated += bcm_rx_do_flush(op, update, 0);
 	}
 
 	return updated;
 }
 
+static void bcm_rx_thr_tsklet(unsigned long data)
+{
+	struct bcm_op *op = (struct bcm_op *)data;
+
+	/* push the changed data to the userspace */
+	bcm_rx_thr_flush(op, 1);
+}
+
 /*
  * bcm_rx_thr_handler - the time for blocked content updates is over now:
  *                      Check for throttled data and send it to the userspace
@@ -580,7 +608,9 @@
 {
 	struct bcm_op *op = container_of(hrtimer, struct bcm_op, thrtimer);
 
-	if (bcm_rx_thr_flush(op)) {
+	tasklet_schedule(&op->thrtsklet);
+
+	if (bcm_rx_thr_flush(op, 0)) {
 		hrtimer_forward(hrtimer, ktime_get(), op->kt_ival2);
 		return HRTIMER_RESTART;
 	} else {
@@ -596,48 +626,38 @@
 static void bcm_rx_handler(struct sk_buff *skb, void *data)
 {
 	struct bcm_op *op = (struct bcm_op *)data;
-	struct can_frame rxframe;
+	const struct can_frame *rxframe = (struct can_frame *)skb->data;
 	int i;
 
 	/* disable timeout */
 	hrtimer_cancel(&op->timer);
 
-	if (skb->len == sizeof(rxframe)) {
-		memcpy(&rxframe, skb->data, sizeof(rxframe));
-		/* save rx timestamp */
-		op->rx_stamp = skb->tstamp;
-		/* save originator for recvfrom() */
-		op->rx_ifindex = skb->dev->ifindex;
-		/* update statistics */
-		op->frames_abs++;
-		kfree_skb(skb);
+	if (op->can_id != rxframe->can_id)
+		goto rx_freeskb;
 
-	} else {
-		kfree_skb(skb);
-		return;
-	}
-
-	if (op->can_id != rxframe.can_id)
-		return;
+	/* save rx timestamp */
+	op->rx_stamp = skb->tstamp;
+	/* save originator for recvfrom() */
+	op->rx_ifindex = skb->dev->ifindex;
+	/* update statistics */
+	op->frames_abs++;
 
 	if (op->flags & RX_RTR_FRAME) {
 		/* send reply for RTR-request (placed in op->frames[0]) */
 		bcm_can_tx(op);
-		return;
+		goto rx_freeskb;
 	}
 
 	if (op->flags & RX_FILTER_ID) {
 		/* the easiest case */
-		bcm_rx_update_and_send(op, &op->last_frames[0], &rxframe);
-		bcm_rx_starttimer(op);
-		return;
+		bcm_rx_update_and_send(op, &op->last_frames[0], rxframe);
+		goto rx_freeskb_starttimer;
 	}
 
 	if (op->nframes == 1) {
 		/* simple compare with index 0 */
-		bcm_rx_cmp_to_index(op, 0, &rxframe);
-		bcm_rx_starttimer(op);
-		return;
+		bcm_rx_cmp_to_index(op, 0, rxframe);
+		goto rx_freeskb_starttimer;
 	}
 
 	if (op->nframes > 1) {
@@ -649,15 +669,19 @@
 		 */
 
 		for (i = 1; i < op->nframes; i++) {
-			if ((GET_U64(&op->frames[0]) & GET_U64(&rxframe)) ==
+			if ((GET_U64(&op->frames[0]) & GET_U64(rxframe)) ==
 			    (GET_U64(&op->frames[0]) &
 			     GET_U64(&op->frames[i]))) {
-				bcm_rx_cmp_to_index(op, i, &rxframe);
+				bcm_rx_cmp_to_index(op, i, rxframe);
 				break;
 			}
 		}
-		bcm_rx_starttimer(op);
 	}
+
+rx_freeskb_starttimer:
+	bcm_rx_starttimer(op);
+rx_freeskb:
+	kfree_skb(skb);
 }
 
 /*
@@ -681,6 +705,12 @@
 	hrtimer_cancel(&op->timer);
 	hrtimer_cancel(&op->thrtimer);
 
+	if (op->tsklet.func)
+		tasklet_kill(&op->tsklet);
+
+	if (op->thrtsklet.func)
+		tasklet_kill(&op->thrtsklet);
+
 	if ((op->frames) && (op->frames != &op->sframe))
 		kfree(op->frames);
 
@@ -891,6 +921,10 @@
 		hrtimer_init(&op->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 		op->timer.function = bcm_tx_timeout_handler;
 
+		/* initialize tasklet for tx countevent notification */
+		tasklet_init(&op->tsklet, bcm_tx_timeout_tsklet,
+			     (unsigned long) op);
+
 		/* currently unused in tx_ops */
 		hrtimer_init(&op->thrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 
@@ -1054,9 +1088,17 @@
 		hrtimer_init(&op->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 		op->timer.function = bcm_rx_timeout_handler;
 
+		/* initialize tasklet for rx timeout notification */
+		tasklet_init(&op->tsklet, bcm_rx_timeout_tsklet,
+			     (unsigned long) op);
+
 		hrtimer_init(&op->thrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 		op->thrtimer.function = bcm_rx_thr_handler;
 
+		/* initialize tasklet for rx throttle handling */
+		tasklet_init(&op->thrtsklet, bcm_rx_thr_tsklet,
+			     (unsigned long) op);
+
 		/* add this bcm_op to the list of the rx_ops */
 		list_add(&op->list, &bo->rx_ops);
 
@@ -1102,7 +1144,7 @@
 			 */
 			op->kt_lastmsg = ktime_set(0, 0);
 			hrtimer_cancel(&op->thrtimer);
-			bcm_rx_thr_flush(op);
+			bcm_rx_thr_flush(op, 1);
 		}
 
 		if ((op->flags & STARTTIMER) && op->kt_ival1.tv64)
diff --git a/net/core/dev.c b/net/core/dev.c
index 09c66a4..382df6c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -132,6 +132,9 @@
 /* Instead of increasing this, you should create a hash table. */
 #define MAX_GRO_SKBS 8
 
+/* This should be increased if a protocol with a bigger head is added. */
+#define GRO_MAX_HEAD (MAX_HEADER + 128)
+
 /*
  *	The list of packet types we will receive (as opposed to discard)
  *	and the routines to invoke.
@@ -2345,7 +2348,7 @@
 	struct list_head *head = &ptype_base[ntohs(type) & PTYPE_HASH_MASK];
 	int err = -ENOENT;
 
-	if (!skb_shinfo(skb)->frag_list)
+	if (NAPI_GRO_CB(skb)->count == 1)
 		goto out;
 
 	rcu_read_lock();
@@ -2365,6 +2368,7 @@
 	}
 
 out:
+	skb_shinfo(skb)->gso_size = 0;
 	__skb_push(skb, -skb_network_offset(skb));
 	return netif_receive_skb(skb);
 }
@@ -2383,7 +2387,7 @@
 }
 EXPORT_SYMBOL(napi_gro_flush);
 
-int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
+static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 {
 	struct sk_buff **pp = NULL;
 	struct packet_type *ptype;
@@ -2392,6 +2396,7 @@
 	int count = 0;
 	int same_flow;
 	int mac_len;
+	int free;
 
 	if (!(skb->dev->features & NETIF_F_GRO))
 		goto normal;
@@ -2408,6 +2413,7 @@
 		skb->mac_len = mac_len;
 		NAPI_GRO_CB(skb)->same_flow = 0;
 		NAPI_GRO_CB(skb)->flush = 0;
+		NAPI_GRO_CB(skb)->free = 0;
 
 		for (p = napi->gro_list; p; p = p->next) {
 			count++;
@@ -2427,6 +2433,7 @@
 		goto normal;
 
 	same_flow = NAPI_GRO_CB(skb)->same_flow;
+	free = NAPI_GRO_CB(skb)->free;
 
 	if (pp) {
 		struct sk_buff *nskb = *pp;
@@ -2446,17 +2453,91 @@
 	}
 
 	NAPI_GRO_CB(skb)->count = 1;
+	skb_shinfo(skb)->gso_size = skb->len;
 	skb->next = napi->gro_list;
 	napi->gro_list = skb;
 
 ok:
-	return NET_RX_SUCCESS;
+	return free;
 
 normal:
-	return netif_receive_skb(skb);
+	return -1;
+}
+
+int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
+{
+	switch (__napi_gro_receive(napi, skb)) {
+	case -1:
+		return netif_receive_skb(skb);
+
+	case 1:
+		kfree_skb(skb);
+		break;
+	}
+
+	return NET_RX_SUCCESS;
 }
 EXPORT_SYMBOL(napi_gro_receive);
 
+int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info)
+{
+	struct net_device *dev = napi->dev;
+	struct sk_buff *skb = napi->skb;
+	int err = NET_RX_DROP;
+
+	napi->skb = NULL;
+
+	if (!skb) {
+		skb = netdev_alloc_skb(dev, GRO_MAX_HEAD + NET_IP_ALIGN);
+		if (!skb)
+			goto out;
+
+		skb_reserve(skb, NET_IP_ALIGN);
+	}
+
+	BUG_ON(info->nr_frags > MAX_SKB_FRAGS);
+	skb_shinfo(skb)->nr_frags = info->nr_frags;
+	memcpy(skb_shinfo(skb)->frags, info->frags, sizeof(info->frags));
+
+	skb->data_len = info->len;
+	skb->len += info->len;
+	skb->truesize += info->len;
+
+	if (!pskb_may_pull(skb, ETH_HLEN))
+		goto reuse;
+
+	err = NET_RX_SUCCESS;
+
+	skb->protocol = eth_type_trans(skb, dev);
+
+	skb->ip_summed = info->ip_summed;
+	skb->csum = info->csum;
+
+	switch (__napi_gro_receive(napi, skb)) {
+	case -1:
+		return netif_receive_skb(skb);
+
+	case 0:
+		goto out;
+	}
+
+reuse:
+	skb_shinfo(skb)->nr_frags = 0;
+
+	skb->len -= skb->data_len;
+	skb->truesize -= skb->data_len;
+	skb->data_len = 0;
+
+	__skb_pull(skb, skb_headlen(skb));
+	skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb));
+
+	napi->skb = skb;
+
+out:
+	return err;
+}
+EXPORT_SYMBOL(napi_gro_frags);
+
 static int process_backlog(struct napi_struct *napi, int quota)
 {
 	int work = 0;
@@ -2535,11 +2616,12 @@
 {
 	INIT_LIST_HEAD(&napi->poll_list);
 	napi->gro_list = NULL;
+	napi->skb = NULL;
 	napi->poll = poll;
 	napi->weight = weight;
 	list_add(&napi->dev_list, &dev->napi_list);
-#ifdef CONFIG_NETPOLL
 	napi->dev = dev;
+#ifdef CONFIG_NETPOLL
 	spin_lock_init(&napi->poll_lock);
 	napi->poll_owner = -1;
 #endif
@@ -2552,6 +2634,7 @@
 	struct sk_buff *skb, *next;
 
 	list_del_init(&napi->dev_list);
+	kfree(napi->skb);
 
 	for (skb = napi->gro_list; skb; skb = next) {
 		next = skb->next;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index b8d0abb..5110b35 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2594,6 +2594,17 @@
 
 	if (skb_shinfo(p)->frag_list)
 		goto merge;
+	else if (!skb_headlen(p) && !skb_headlen(skb) &&
+		 skb_shinfo(p)->nr_frags + skb_shinfo(skb)->nr_frags <
+		 MAX_SKB_FRAGS) {
+		memcpy(skb_shinfo(p)->frags + skb_shinfo(p)->nr_frags,
+		       skb_shinfo(skb)->frags,
+		       skb_shinfo(skb)->nr_frags * sizeof(skb_frag_t));
+
+		skb_shinfo(p)->nr_frags += skb_shinfo(skb)->nr_frags;
+		NAPI_GRO_CB(skb)->free = 1;
+		goto done;
+	}
 
 	headroom = skb_headroom(p);
 	nskb = netdev_alloc_skb(p->dev, headroom);
@@ -2613,6 +2624,7 @@
 
 	*NAPI_GRO_CB(nskb) = *NAPI_GRO_CB(p);
 	skb_shinfo(nskb)->frag_list = p;
+	skb_shinfo(nskb)->gso_size = skb_shinfo(p)->gso_size;
 	skb_header_release(p);
 	nskb->prev = p;
 
@@ -2627,11 +2639,12 @@
 	p = nskb;
 
 merge:
-	NAPI_GRO_CB(p)->count++;
 	p->prev->next = skb;
 	p->prev = skb;
 	skb_header_release(skb);
 
+done:
+	NAPI_GRO_CB(p)->count++;
 	p->data_len += skb->len;
 	p->truesize += skb->len;
 	p->len += skb->len;
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 5dbfe5f..8379496 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -191,7 +191,7 @@
 	return 0;
 nlmsg_failure:
 err:
-	kfree(dcbnl_skb);
+	kfree_skb(dcbnl_skb);
 	return ret;
 }
 
@@ -272,7 +272,7 @@
 	return 0;
 nlmsg_failure:
 err:
-	kfree(dcbnl_skb);
+	kfree_skb(dcbnl_skb);
 err_out:
 	return -EINVAL;
 }
@@ -314,7 +314,7 @@
 
 nlmsg_failure:
 err:
-	kfree(dcbnl_skb);
+	kfree_skb(dcbnl_skb);
 err_out:
 	return -EINVAL;
 }
@@ -380,7 +380,7 @@
 	return 0;
 nlmsg_failure:
 err:
-	kfree(dcbnl_skb);
+	kfree_skb(dcbnl_skb);
 err_out:
 	return -EINVAL;
 }
@@ -458,7 +458,7 @@
 	return 0;
 nlmsg_failure:
 err:
-	kfree(dcbnl_skb);
+	kfree_skb(dcbnl_skb);
 err_out:
 	return ret;
 }
@@ -687,7 +687,7 @@
 	nla_nest_cancel(dcbnl_skb, pg_nest);
 nlmsg_failure:
 err:
-	kfree(dcbnl_skb);
+	kfree_skb(dcbnl_skb);
 err_out:
 	ret  = -EINVAL;
 	return ret;
@@ -949,7 +949,7 @@
 	nla_nest_cancel(dcbnl_skb, bcn_nest);
 nlmsg_failure:
 err:
-	kfree(dcbnl_skb);
+	kfree_skb(dcbnl_skb);
 err_out:
 	ret  = -EINVAL;
 	return ret;
diff --git a/net/dccp/Kconfig b/net/dccp/Kconfig
index 7aa2a7a..ad6dffd 100644
--- a/net/dccp/Kconfig
+++ b/net/dccp/Kconfig
@@ -1,7 +1,6 @@
 menuconfig IP_DCCP
 	tristate "The DCCP Protocol (EXPERIMENTAL)"
 	depends on INET && EXPERIMENTAL
-	select IP_DCCP_CCID2
 	---help---
 	  Datagram Congestion Control Protocol (RFC 4340)
 
@@ -25,9 +24,6 @@
 	def_tristate y if (IP_DCCP = y && INET_DIAG = y)
 	def_tristate m
 
-config IP_DCCP_ACKVEC
-	bool
-
 source "net/dccp/ccids/Kconfig"
 
 menu "DCCP Kernel Hacking"
diff --git a/net/dccp/Makefile b/net/dccp/Makefile
index f4f8793..2991efc 100644
--- a/net/dccp/Makefile
+++ b/net/dccp/Makefile
@@ -2,14 +2,23 @@
 
 dccp-y := ccid.o feat.o input.o minisocks.o options.o output.o proto.o timer.o
 
+#
+# CCID algorithms to be used by dccp.ko
+#
+# CCID-2 is default (RFC 4340, p. 77) and has Ack Vectors as dependency
+dccp-y += ccids/ccid2.o ackvec.o
+dccp-$(CONFIG_IP_DCCP_CCID3)	+= ccids/ccid3.o
+dccp-$(CONFIG_IP_DCCP_TFRC_LIB) += ccids/lib/tfrc.o		\
+				   ccids/lib/tfrc_equation.o	\
+				   ccids/lib/packet_history.o	\
+				   ccids/lib/loss_interval.o
+
 dccp_ipv4-y := ipv4.o
 
 # build dccp_ipv6 as module whenever either IPv6 or DCCP is a module
 obj-$(subst y,$(CONFIG_IP_DCCP),$(CONFIG_IPV6)) += dccp_ipv6.o
 dccp_ipv6-y := ipv6.o
 
-dccp-$(CONFIG_IP_DCCP_ACKVEC) += ackvec.o
-
 obj-$(CONFIG_INET_DCCP_DIAG) += dccp_diag.o
 obj-$(CONFIG_NET_DCCPPROBE) += dccp_probe.o
 
@@ -17,5 +26,3 @@
 
 dccp_diag-y := diag.o
 dccp_probe-y := probe.o
-
-obj-y += ccids/
diff --git a/net/dccp/ackvec.h b/net/dccp/ackvec.h
index 4ccee03..45f95e5 100644
--- a/net/dccp/ackvec.h
+++ b/net/dccp/ackvec.h
@@ -84,7 +84,6 @@
 struct sock;
 struct sk_buff;
 
-#ifdef CONFIG_IP_DCCP_ACKVEC
 extern int dccp_ackvec_init(void);
 extern void dccp_ackvec_exit(void);
 
@@ -106,52 +105,4 @@
 {
 	return av->av_vec_len;
 }
-#else /* CONFIG_IP_DCCP_ACKVEC */
-static inline int dccp_ackvec_init(void)
-{
-	return 0;
-}
-
-static inline void dccp_ackvec_exit(void)
-{
-}
-
-static inline struct dccp_ackvec *dccp_ackvec_alloc(const gfp_t priority)
-{
-	return NULL;
-}
-
-static inline void dccp_ackvec_free(struct dccp_ackvec *av)
-{
-}
-
-static inline int dccp_ackvec_add(struct dccp_ackvec *av, const struct sock *sk,
-				  const u64 ackno, const u8 state)
-{
-	return -1;
-}
-
-static inline void dccp_ackvec_check_rcv_ackno(struct dccp_ackvec *av,
-					       struct sock *sk, const u64 ackno)
-{
-}
-
-static inline int dccp_ackvec_parse(struct sock *sk, const struct sk_buff *skb,
-				    const u64 *ackno, const u8 opt,
-				    const u8 *value, const u8 len)
-{
-	return -1;
-}
-
-static inline int dccp_insert_option_ackvec(const struct sock *sk,
-					    const struct sk_buff *skb)
-{
-	return -1;
-}
-
-static inline int dccp_ackvec_pending(const struct dccp_ackvec *av)
-{
-	return 0;
-}
-#endif /* CONFIG_IP_DCCP_ACKVEC */
 #endif /* _ACKVEC_H */
diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index bcc643f..f3e9ba1 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -12,56 +12,70 @@
  */
 
 #include "ccid.h"
+#include "ccids/lib/tfrc.h"
 
-static u8 builtin_ccids[] = {
-	DCCPC_CCID2,		/* CCID2 is supported by default */
-#if defined(CONFIG_IP_DCCP_CCID3) || defined(CONFIG_IP_DCCP_CCID3_MODULE)
-	DCCPC_CCID3,
+static struct ccid_operations *ccids[] = {
+	&ccid2_ops,
+#ifdef CONFIG_IP_DCCP_CCID3
+	&ccid3_ops,
 #endif
 };
 
-static struct ccid_operations *ccids[CCID_MAX];
-#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT)
-static atomic_t ccids_lockct = ATOMIC_INIT(0);
-static DEFINE_SPINLOCK(ccids_lock);
+static struct ccid_operations *ccid_by_number(const u8 id)
+{
+	int i;
 
-/*
- * The strategy is: modifications ccids vector are short, do not sleep and
- * veeery rare, but read access should be free of any exclusive locks.
+	for (i = 0; i < ARRAY_SIZE(ccids); i++)
+		if (ccids[i]->ccid_id == id)
+			return ccids[i];
+	return NULL;
+}
+
+/* check that up to @array_len members in @ccid_array are supported */
+bool ccid_support_check(u8 const *ccid_array, u8 array_len)
+{
+	while (array_len > 0)
+		if (ccid_by_number(ccid_array[--array_len]) == NULL)
+			return false;
+	return true;
+}
+
+/**
+ * ccid_get_builtin_ccids  -  Populate a list of built-in CCIDs
+ * @ccid_array: pointer to copy into
+ * @array_len: value to return length into
+ * This function allocates memory - caller must see that it is freed after use.
  */
-static void ccids_write_lock(void)
+int ccid_get_builtin_ccids(u8 **ccid_array, u8 *array_len)
 {
-	spin_lock(&ccids_lock);
-	while (atomic_read(&ccids_lockct) != 0) {
-		spin_unlock(&ccids_lock);
-		yield();
-		spin_lock(&ccids_lock);
-	}
+	*ccid_array = kmalloc(ARRAY_SIZE(ccids), gfp_any());
+	if (*ccid_array == NULL)
+		return -ENOBUFS;
+
+	for (*array_len = 0; *array_len < ARRAY_SIZE(ccids); *array_len += 1)
+		(*ccid_array)[*array_len] = ccids[*array_len]->ccid_id;
+	return 0;
 }
 
-static inline void ccids_write_unlock(void)
+int ccid_getsockopt_builtin_ccids(struct sock *sk, int len,
+				  char __user *optval, int __user *optlen)
 {
-	spin_unlock(&ccids_lock);
-}
+	u8 *ccid_array, array_len;
+	int err = 0;
 
-static inline void ccids_read_lock(void)
-{
-	atomic_inc(&ccids_lockct);
-	smp_mb__after_atomic_inc();
-	spin_unlock_wait(&ccids_lock);
-}
+	if (len < ARRAY_SIZE(ccids))
+		return -EINVAL;
 
-static inline void ccids_read_unlock(void)
-{
-	atomic_dec(&ccids_lockct);
-}
+	if (ccid_get_builtin_ccids(&ccid_array, &array_len))
+		return -ENOBUFS;
 
-#else
-#define ccids_write_lock() do { } while(0)
-#define ccids_write_unlock() do { } while(0)
-#define ccids_read_lock() do { } while(0)
-#define ccids_read_unlock() do { } while(0)
-#endif
+	if (put_user(array_len, optlen) ||
+	    copy_to_user(optval, ccid_array, array_len))
+		err = -EFAULT;
+
+	kfree(ccid_array);
+	return err;
+}
 
 static struct kmem_cache *ccid_kmem_cache_create(int obj_size, const char *fmt,...)
 {
@@ -93,48 +107,7 @@
 	}
 }
 
-/* check that up to @array_len members in @ccid_array are supported */
-bool ccid_support_check(u8 const *ccid_array, u8 array_len)
-{
-	u8 i, j, found;
-
-	for (i = 0, found = 0; i < array_len; i++, found = 0) {
-		for (j = 0; !found && j < ARRAY_SIZE(builtin_ccids); j++)
-			found = (ccid_array[i] == builtin_ccids[j]);
-		if (!found)
-			return false;
-	}
-	return true;
-}
-
-/**
- * ccid_get_builtin_ccids  -  Provide copy of `builtin' CCID array
- * @ccid_array: pointer to copy into
- * @array_len: value to return length into
- * This function allocates memory - caller must see that it is freed after use.
- */
-int ccid_get_builtin_ccids(u8 **ccid_array, u8 *array_len)
-{
-	*ccid_array = kmemdup(builtin_ccids, sizeof(builtin_ccids), gfp_any());
-	if (*ccid_array == NULL)
-		return -ENOBUFS;
-	*array_len = ARRAY_SIZE(builtin_ccids);
-	return 0;
-}
-
-int ccid_getsockopt_builtin_ccids(struct sock *sk, int len,
-				    char __user *optval, int __user *optlen)
-{
-	if (len < sizeof(builtin_ccids))
-		return -EINVAL;
-
-	if (put_user(sizeof(builtin_ccids), optlen) ||
-	    copy_to_user(optval, builtin_ccids, sizeof(builtin_ccids)))
-		return -EFAULT;
-	return 0;
-}
-
-int ccid_register(struct ccid_operations *ccid_ops)
+static int ccid_activate(struct ccid_operations *ccid_ops)
 {
 	int err = -ENOBUFS;
 
@@ -152,79 +125,40 @@
 	if (ccid_ops->ccid_hc_tx_slab == NULL)
 		goto out_free_rx_slab;
 
-	ccids_write_lock();
-	err = -EEXIST;
-	if (ccids[ccid_ops->ccid_id] == NULL) {
-		ccids[ccid_ops->ccid_id] = ccid_ops;
-		err = 0;
-	}
-	ccids_write_unlock();
-	if (err != 0)
-		goto out_free_tx_slab;
-
-	pr_info("CCID: Registered CCID %d (%s)\n",
+	pr_info("CCID: Activated CCID %d (%s)\n",
 		ccid_ops->ccid_id, ccid_ops->ccid_name);
+	err = 0;
 out:
 	return err;
-out_free_tx_slab:
-	ccid_kmem_cache_destroy(ccid_ops->ccid_hc_tx_slab);
-	ccid_ops->ccid_hc_tx_slab = NULL;
-	goto out;
 out_free_rx_slab:
 	ccid_kmem_cache_destroy(ccid_ops->ccid_hc_rx_slab);
 	ccid_ops->ccid_hc_rx_slab = NULL;
 	goto out;
 }
 
-EXPORT_SYMBOL_GPL(ccid_register);
-
-int ccid_unregister(struct ccid_operations *ccid_ops)
+static void ccid_deactivate(struct ccid_operations *ccid_ops)
 {
-	ccids_write_lock();
-	ccids[ccid_ops->ccid_id] = NULL;
-	ccids_write_unlock();
-
 	ccid_kmem_cache_destroy(ccid_ops->ccid_hc_tx_slab);
 	ccid_ops->ccid_hc_tx_slab = NULL;
 	ccid_kmem_cache_destroy(ccid_ops->ccid_hc_rx_slab);
 	ccid_ops->ccid_hc_rx_slab = NULL;
 
-	pr_info("CCID: Unregistered CCID %d (%s)\n",
+	pr_info("CCID: Deactivated CCID %d (%s)\n",
 		ccid_ops->ccid_id, ccid_ops->ccid_name);
-	return 0;
 }
 
-EXPORT_SYMBOL_GPL(ccid_unregister);
-
-struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx, gfp_t gfp)
+struct ccid *ccid_new(const u8 id, struct sock *sk, bool rx)
 {
-	struct ccid_operations *ccid_ops;
+	struct ccid_operations *ccid_ops = ccid_by_number(id);
 	struct ccid *ccid = NULL;
 
-	ccids_read_lock();
-#ifdef CONFIG_MODULES
-	if (ccids[id] == NULL) {
-		/* We only try to load if in process context */
-		ccids_read_unlock();
-		if (gfp & GFP_ATOMIC)
-			goto out;
-		request_module("net-dccp-ccid-%d", id);
-		ccids_read_lock();
-	}
-#endif
-	ccid_ops = ccids[id];
 	if (ccid_ops == NULL)
-		goto out_unlock;
-
-	if (!try_module_get(ccid_ops->ccid_owner))
-		goto out_unlock;
-
-	ccids_read_unlock();
+		goto out;
 
 	ccid = kmem_cache_alloc(rx ? ccid_ops->ccid_hc_rx_slab :
-				     ccid_ops->ccid_hc_tx_slab, gfp);
+				     ccid_ops->ccid_hc_tx_slab, gfp_any());
 	if (ccid == NULL)
-		goto out_module_put;
+		goto out;
 	ccid->ccid_ops = ccid_ops;
 	if (rx) {
 		memset(ccid + 1, 0, ccid_ops->ccid_hc_rx_obj_size);
@@ -239,53 +173,57 @@
 	}
 out:
 	return ccid;
-out_unlock:
-	ccids_read_unlock();
-	goto out;
 out_free_ccid:
 	kmem_cache_free(rx ? ccid_ops->ccid_hc_rx_slab :
 			ccid_ops->ccid_hc_tx_slab, ccid);
 	ccid = NULL;
-out_module_put:
-	module_put(ccid_ops->ccid_owner);
 	goto out;
 }
 
-EXPORT_SYMBOL_GPL(ccid_new);
-
-static void ccid_delete(struct ccid *ccid, struct sock *sk, int rx)
-{
-	struct ccid_operations *ccid_ops;
-
-	if (ccid == NULL)
-		return;
-
-	ccid_ops = ccid->ccid_ops;
-	if (rx) {
-		if (ccid_ops->ccid_hc_rx_exit != NULL)
-			ccid_ops->ccid_hc_rx_exit(sk);
-		kmem_cache_free(ccid_ops->ccid_hc_rx_slab,  ccid);
-	} else {
-		if (ccid_ops->ccid_hc_tx_exit != NULL)
-			ccid_ops->ccid_hc_tx_exit(sk);
-		kmem_cache_free(ccid_ops->ccid_hc_tx_slab,  ccid);
-	}
-	ccids_read_lock();
-	if (ccids[ccid_ops->ccid_id] != NULL)
-		module_put(ccid_ops->ccid_owner);
-	ccids_read_unlock();
-}
-
 void ccid_hc_rx_delete(struct ccid *ccid, struct sock *sk)
 {
-	ccid_delete(ccid, sk, 1);
+	if (ccid != NULL) {
+		if (ccid->ccid_ops->ccid_hc_rx_exit != NULL)
+			ccid->ccid_ops->ccid_hc_rx_exit(sk);
+		kmem_cache_free(ccid->ccid_ops->ccid_hc_rx_slab, ccid);
+	}
 }
 
-EXPORT_SYMBOL_GPL(ccid_hc_rx_delete);
-
 void ccid_hc_tx_delete(struct ccid *ccid, struct sock *sk)
 {
-	ccid_delete(ccid, sk, 0);
+	if (ccid != NULL) {
+		if (ccid->ccid_ops->ccid_hc_tx_exit != NULL)
+			ccid->ccid_ops->ccid_hc_tx_exit(sk);
+		kmem_cache_free(ccid->ccid_ops->ccid_hc_tx_slab, ccid);
+	}
 }
 
-EXPORT_SYMBOL_GPL(ccid_hc_tx_delete);
+int __init ccid_initialize_builtins(void)
+{
+	int i, err = tfrc_lib_init();
+
+	if (err)
+		return err;
+
+	for (i = 0; i < ARRAY_SIZE(ccids); i++) {
+		err = ccid_activate(ccids[i]);
+		if (err)
+			goto unwind_registrations;
+	}
+	return 0;
+
+unwind_registrations:
+	while(--i >= 0)
+		ccid_deactivate(ccids[i]);
+	tfrc_lib_exit();
+	return err;
+}
+
+void ccid_cleanup_builtins(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(ccids); i++)
+		ccid_deactivate(ccids[i]);
+	tfrc_lib_exit();
+}
diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h
index 18f69423..facedd2 100644
--- a/net/dccp/ccid.h
+++ b/net/dccp/ccid.h
@@ -29,7 +29,6 @@
  *  @ccid_id: numerical CCID ID (up to %CCID_MAX, cf. table 5 in RFC 4340, 10.)
  *  @ccid_ccmps: the CCMPS including network/transport headers (0 when disabled)
  *  @ccid_name: alphabetical identifier string for @ccid_id
- *  @ccid_owner: module which implements/owns this CCID
  *  @ccid_hc_{r,t}x_slab: memory pool for the receiver/sender half-connection
  *  @ccid_hc_{r,t}x_obj_size: size of the receiver/sender half-connection socket
  *
@@ -48,7 +47,6 @@
 	unsigned char		ccid_id;
 	__u32			ccid_ccmps;
 	const char		*ccid_name;
-	struct module		*ccid_owner;
 	struct kmem_cache	*ccid_hc_rx_slab,
 				*ccid_hc_tx_slab;
 	__u32			ccid_hc_rx_obj_size,
@@ -90,8 +88,13 @@
 						 int __user *optlen);
 };
 
-extern int ccid_register(struct ccid_operations *ccid_ops);
-extern int ccid_unregister(struct ccid_operations *ccid_ops);
+extern struct ccid_operations ccid2_ops;
+#ifdef CONFIG_IP_DCCP_CCID3
+extern struct ccid_operations ccid3_ops;
+#endif
+
+extern int  ccid_initialize_builtins(void);
+extern void ccid_cleanup_builtins(void);
 
 struct ccid {
 	struct ccid_operations *ccid_ops;
@@ -108,8 +111,7 @@
 extern int  ccid_getsockopt_builtin_ccids(struct sock *sk, int len,
 					  char __user *, int __user *);
 
-extern struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx,
-			     gfp_t gfp);
+extern struct ccid *ccid_new(const u8 id, struct sock *sk, bool rx);
 
 static inline int ccid_get_current_rx_ccid(struct dccp_sock *dp)
 {
diff --git a/net/dccp/ccids/Kconfig b/net/dccp/ccids/Kconfig
index 1227594..b28bf96 100644
--- a/net/dccp/ccids/Kconfig
+++ b/net/dccp/ccids/Kconfig
@@ -1,80 +1,51 @@
 menu "DCCP CCIDs Configuration (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
 
-config IP_DCCP_CCID2
-	tristate "CCID2 (TCP-Like) (EXPERIMENTAL)"
-	def_tristate IP_DCCP
-	select IP_DCCP_ACKVEC
-	---help---
-	  CCID 2, TCP-like Congestion Control, denotes Additive Increase,
-	  Multiplicative Decrease (AIMD) congestion control with behavior
-	  modelled directly on TCP, including congestion window, slow start,
-	  timeouts, and so forth [RFC 2581].  CCID 2 achieves maximum
-	  bandwidth over the long term, consistent with the use of end-to-end
-	  congestion control, but halves its congestion window in response to
-	  each congestion event.  This leads to the abrupt rate changes
-	  typical of TCP.  Applications should use CCID 2 if they prefer
-	  maximum bandwidth utilization to steadiness of rate.  This is often
-	  the case for applications that are not playing their data directly
-	  to the user.  For example, a hypothetical application that
-	  transferred files over DCCP, using application-level retransmissions
-	  for lost packets, would prefer CCID 2 to CCID 3.  On-line games may
-	  also prefer CCID 2.  See RFC 4341 for further details.
-
-	  CCID2 is the default CCID used by DCCP.
-
 config IP_DCCP_CCID2_DEBUG
-	  bool "CCID2 debugging messages"
-	  depends on IP_DCCP_CCID2
-	  ---help---
-	    Enable CCID2-specific debugging messages.
+	bool "CCID-2 debugging messages"
+	---help---
+	  Enable CCID-2 specific debugging messages.
 
-	    When compiling CCID2 as a module, this debugging output can
-	    additionally be toggled by setting the ccid2_debug module
-	    parameter to 0 or 1.
+	  The debugging output can additionally be toggled by setting the
+	  ccid2_debug parameter to 0 or 1.
 
-	    If in doubt, say N.
+	  If in doubt, say N.
 
 config IP_DCCP_CCID3
-	tristate "CCID3 (TCP-Friendly) (EXPERIMENTAL)"
-	def_tristate IP_DCCP
-	select IP_DCCP_TFRC_LIB
+	bool "CCID-3 (TCP-Friendly) (EXPERIMENTAL)"
+	def_bool y if (IP_DCCP = y || IP_DCCP = m)
 	---help---
-	  CCID 3 denotes TCP-Friendly Rate Control (TFRC), an equation-based
+	  CCID-3 denotes TCP-Friendly Rate Control (TFRC), an equation-based
 	  rate-controlled congestion control mechanism.  TFRC is designed to
 	  be reasonably fair when competing for bandwidth with TCP-like flows,
 	  where a flow is "reasonably fair" if its sending rate is generally
 	  within a factor of two of the sending rate of a TCP flow under the
 	  same conditions.  However, TFRC has a much lower variation of
-	  throughput over time compared with TCP, which makes CCID 3 more
-	  suitable than CCID 2 for applications such streaming media where a
+	  throughput over time compared with TCP, which makes CCID-3 more
+	  suitable than CCID-2 for applications such streaming media where a
 	  relatively smooth sending rate is of importance.
 
-	  CCID 3 is further described in RFC 4342,
+	  CCID-3 is further described in RFC 4342,
 	  http://www.ietf.org/rfc/rfc4342.txt
 
 	  The TFRC congestion control algorithms were initially described in
-	  RFC 3448.
+	  RFC 5448.
 
 	  This text was extracted from RFC 4340 (sec. 10.2),
 	  http://www.ietf.org/rfc/rfc4340.txt
-	  
-	  To compile this CCID as a module, choose M here: the module will be
-	  called dccp_ccid3.
 
-	  If in doubt, say M.
+	  If in doubt, say N.
 
 config IP_DCCP_CCID3_DEBUG
-	  bool "CCID3 debugging messages"
-	  depends on IP_DCCP_CCID3
-	  ---help---
-	    Enable CCID3-specific debugging messages.
+	bool "CCID-3 debugging messages"
+	depends on IP_DCCP_CCID3
+	---help---
+	  Enable CCID-3 specific debugging messages.
 
-	    When compiling CCID3 as a module, this debugging output can
-	    additionally be toggled by setting the ccid3_debug module
-	    parameter to 0 or 1.
+	  The debugging output can additionally be toggled by setting the
+	  ccid3_debug parameter to 0 or 1.
 
-	    If in doubt, say N.
+	  If in doubt, say N.
 
 config IP_DCCP_CCID3_RTO
 	  int "Use higher bound for nofeedback timer"
@@ -108,12 +79,8 @@
 	    therefore not be performed on WANs.
 
 config IP_DCCP_TFRC_LIB
-	tristate
-	default n
+	def_bool y if IP_DCCP_CCID3
 
 config IP_DCCP_TFRC_DEBUG
-	bool
-	depends on IP_DCCP_TFRC_LIB
-	default y if IP_DCCP_CCID3_DEBUG
-
+	def_bool y if IP_DCCP_CCID3_DEBUG
 endmenu
diff --git a/net/dccp/ccids/Makefile b/net/dccp/ccids/Makefile
deleted file mode 100644
index 438f20b..0000000
--- a/net/dccp/ccids/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-obj-$(CONFIG_IP_DCCP_CCID3) += dccp_ccid3.o
-
-dccp_ccid3-y := ccid3.o
-
-obj-$(CONFIG_IP_DCCP_CCID2) += dccp_ccid2.o
-
-dccp_ccid2-y := ccid2.o
-
-obj-y += lib/
diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index c9ea19a..d235294 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -768,10 +768,9 @@
 	}
 }
 
-static struct ccid_operations ccid2 = {
+struct ccid_operations ccid2_ops = {
 	.ccid_id		= DCCPC_CCID2,
 	.ccid_name		= "TCP-like",
-	.ccid_owner		= THIS_MODULE,
 	.ccid_hc_tx_obj_size	= sizeof(struct ccid2_hc_tx_sock),
 	.ccid_hc_tx_init	= ccid2_hc_tx_init,
 	.ccid_hc_tx_exit	= ccid2_hc_tx_exit,
@@ -784,22 +783,5 @@
 
 #ifdef CONFIG_IP_DCCP_CCID2_DEBUG
 module_param(ccid2_debug, bool, 0644);
-MODULE_PARM_DESC(ccid2_debug, "Enable debug messages");
+MODULE_PARM_DESC(ccid2_debug, "Enable CCID-2 debug messages");
 #endif
-
-static __init int ccid2_module_init(void)
-{
-	return ccid_register(&ccid2);
-}
-module_init(ccid2_module_init);
-
-static __exit void ccid2_module_exit(void)
-{
-	ccid_unregister(&ccid2);
-}
-module_exit(ccid2_module_exit);
-
-MODULE_AUTHOR("Andrea Bittau <a.bittau@cs.ucl.ac.uk>");
-MODULE_DESCRIPTION("DCCP TCP-Like (CCID2) CCID");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("net-dccp-ccid-2");
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 3b8bd7c..a27b7f4 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -940,10 +940,9 @@
 	return 0;
 }
 
-static struct ccid_operations ccid3 = {
+struct ccid_operations ccid3_ops = {
 	.ccid_id		   = DCCPC_CCID3,
 	.ccid_name		   = "TCP-Friendly Rate Control",
-	.ccid_owner		   = THIS_MODULE,
 	.ccid_hc_tx_obj_size	   = sizeof(struct ccid3_hc_tx_sock),
 	.ccid_hc_tx_init	   = ccid3_hc_tx_init,
 	.ccid_hc_tx_exit	   = ccid3_hc_tx_exit,
@@ -964,23 +963,5 @@
 
 #ifdef CONFIG_IP_DCCP_CCID3_DEBUG
 module_param(ccid3_debug, bool, 0644);
-MODULE_PARM_DESC(ccid3_debug, "Enable debug messages");
+MODULE_PARM_DESC(ccid3_debug, "Enable CCID-3 debug messages");
 #endif
-
-static __init int ccid3_module_init(void)
-{
-	return ccid_register(&ccid3);
-}
-module_init(ccid3_module_init);
-
-static __exit void ccid3_module_exit(void)
-{
-	ccid_unregister(&ccid3);
-}
-module_exit(ccid3_module_exit);
-
-MODULE_AUTHOR("Ian McDonald <ian.mcdonald@jandi.co.nz>, "
-	      "Arnaldo Carvalho de Melo <acme@ghostprotocols.net>");
-MODULE_DESCRIPTION("DCCP TFRC CCID3 CCID");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("net-dccp-ccid-3");
diff --git a/net/dccp/ccids/lib/Makefile b/net/dccp/ccids/lib/Makefile
deleted file mode 100644
index 68c93e3..0000000
--- a/net/dccp/ccids/lib/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-obj-$(CONFIG_IP_DCCP_TFRC_LIB) += dccp_tfrc_lib.o
-
-dccp_tfrc_lib-y := tfrc.o tfrc_equation.o packet_history.o loss_interval.o
diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c
index 5b3ce06..4d1e401 100644
--- a/net/dccp/ccids/lib/loss_interval.c
+++ b/net/dccp/ccids/lib/loss_interval.c
@@ -60,7 +60,6 @@
 			lh->ring[LIH_INDEX(lh->counter)] = NULL;
 		}
 }
-EXPORT_SYMBOL_GPL(tfrc_lh_cleanup);
 
 static void tfrc_lh_calc_i_mean(struct tfrc_loss_hist *lh)
 {
@@ -121,7 +120,6 @@
 
 	return (lh->i_mean < old_i_mean);
 }
-EXPORT_SYMBOL_GPL(tfrc_lh_update_i_mean);
 
 /* Determine if `new_loss' does begin a new loss interval [RFC 4342, 10.2] */
 static inline u8 tfrc_lh_is_new_loss(struct tfrc_loss_interval *cur,
@@ -169,7 +167,6 @@
 	}
 	return 1;
 }
-EXPORT_SYMBOL_GPL(tfrc_lh_interval_add);
 
 int __init tfrc_li_init(void)
 {
diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c
index 6cc108a..b7785b3 100644
--- a/net/dccp/ccids/lib/packet_history.c
+++ b/net/dccp/ccids/lib/packet_history.c
@@ -94,7 +94,6 @@
 	*headp	     = entry;
 	return 0;
 }
-EXPORT_SYMBOL_GPL(tfrc_tx_hist_add);
 
 void tfrc_tx_hist_purge(struct tfrc_tx_hist_entry **headp)
 {
@@ -109,7 +108,6 @@
 
 	*headp = NULL;
 }
-EXPORT_SYMBOL_GPL(tfrc_tx_hist_purge);
 
 u32 tfrc_tx_hist_rtt(struct tfrc_tx_hist_entry *head, const u64 seqno,
 		     const ktime_t now)
@@ -127,7 +125,6 @@
 
 	return rtt;
 }
-EXPORT_SYMBOL_GPL(tfrc_tx_hist_rtt);
 
 
 /*
@@ -172,7 +169,6 @@
 
 	tfrc_rx_hist_entry_from_skb(entry, skb, ndp);
 }
-EXPORT_SYMBOL_GPL(tfrc_rx_hist_add_packet);
 
 /* has the packet contained in skb been seen before? */
 int tfrc_rx_hist_duplicate(struct tfrc_rx_hist *h, struct sk_buff *skb)
@@ -189,7 +185,6 @@
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(tfrc_rx_hist_duplicate);
 
 static void tfrc_rx_hist_swap(struct tfrc_rx_hist *h, const u8 a, const u8 b)
 {
@@ -390,7 +385,6 @@
 	}
 	return is_new_loss;
 }
-EXPORT_SYMBOL_GPL(tfrc_rx_handle_loss);
 
 int tfrc_rx_hist_alloc(struct tfrc_rx_hist *h)
 {
@@ -412,7 +406,6 @@
 	}
 	return -ENOBUFS;
 }
-EXPORT_SYMBOL_GPL(tfrc_rx_hist_alloc);
 
 void tfrc_rx_hist_purge(struct tfrc_rx_hist *h)
 {
@@ -424,7 +417,6 @@
 			h->ring[i] = NULL;
 		}
 }
-EXPORT_SYMBOL_GPL(tfrc_rx_hist_purge);
 
 /**
  * tfrc_rx_hist_rtt_last_s - reference entry to compute RTT samples against
@@ -495,4 +487,3 @@
 
 	return sample;
 }
-EXPORT_SYMBOL_GPL(tfrc_rx_hist_sample_rtt);
diff --git a/net/dccp/ccids/lib/tfrc.c b/net/dccp/ccids/lib/tfrc.c
index 1859162..60c412c 100644
--- a/net/dccp/ccids/lib/tfrc.c
+++ b/net/dccp/ccids/lib/tfrc.c
@@ -1,20 +1,18 @@
 /*
- * TFRC: main module holding the pieces of the TFRC library together
+ * TFRC library initialisation
  *
  * Copyright (c) 2007 The University of Aberdeen, Scotland, UK
  * Copyright (c) 2007 Arnaldo Carvalho de Melo <acme@redhat.com>
  */
-#include <linux/module.h>
-#include <linux/moduleparam.h>
 #include "tfrc.h"
 
 #ifdef CONFIG_IP_DCCP_TFRC_DEBUG
 int tfrc_debug;
 module_param(tfrc_debug, bool, 0644);
-MODULE_PARM_DESC(tfrc_debug, "Enable debug messages");
+MODULE_PARM_DESC(tfrc_debug, "Enable TFRC debug messages");
 #endif
 
-static int __init tfrc_module_init(void)
+int __init tfrc_lib_init(void)
 {
 	int rc = tfrc_li_init();
 
@@ -38,18 +36,9 @@
 	return rc;
 }
 
-static void __exit tfrc_module_exit(void)
+void __exit tfrc_lib_exit(void)
 {
 	tfrc_rx_packet_history_exit();
 	tfrc_tx_packet_history_exit();
 	tfrc_li_exit();
 }
-
-module_init(tfrc_module_init);
-module_exit(tfrc_module_exit);
-
-MODULE_AUTHOR("Gerrit Renker <gerrit@erg.abdn.ac.uk>, "
-	      "Ian McDonald <ian.mcdonald@jandi.co.nz>, "
-	      "Arnaldo Carvalho de Melo <acme@redhat.com>");
-MODULE_DESCRIPTION("DCCP TFRC library");
-MODULE_LICENSE("GPL");
diff --git a/net/dccp/ccids/lib/tfrc.h b/net/dccp/ccids/lib/tfrc.h
index ed98575..e9720b1 100644
--- a/net/dccp/ccids/lib/tfrc.h
+++ b/net/dccp/ccids/lib/tfrc.h
@@ -17,7 +17,8 @@
 #include <linux/types.h>
 #include <linux/math64.h>
 #include "../../dccp.h"
-/* internal includes that this module exports: */
+
+/* internal includes that this library exports: */
 #include "loss_interval.h"
 #include "packet_history.h"
 
@@ -66,4 +67,12 @@
 
 extern int  tfrc_li_init(void);
 extern void tfrc_li_exit(void);
+
+#ifdef CONFIG_IP_DCCP_TFRC_LIB
+extern int  tfrc_lib_init(void);
+extern void tfrc_lib_exit(void);
+#else
+#define tfrc_lib_init() (0)
+#define tfrc_lib_exit()
+#endif
 #endif /* _TFRC_H_ */
diff --git a/net/dccp/ccids/lib/tfrc_equation.c b/net/dccp/ccids/lib/tfrc_equation.c
index 2f20a29..c5d3a9e 100644
--- a/net/dccp/ccids/lib/tfrc_equation.c
+++ b/net/dccp/ccids/lib/tfrc_equation.c
@@ -659,8 +659,6 @@
 	return scaled_div32(result, f);
 }
 
-EXPORT_SYMBOL_GPL(tfrc_calc_x);
-
 /**
  *  tfrc_calc_x_reverse_lookup  -  try to find p given f(p)
  *
@@ -693,5 +691,3 @@
 	index = tfrc_binsearch(fvalue, 0);
 	return (index + 1) * 1000000 / TFRC_CALC_X_ARRSIZE;
 }
-
-EXPORT_SYMBOL_GPL(tfrc_calc_x_reverse_lookup);
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 0bc4c9a..f2230fc 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -432,10 +432,8 @@
 {
 	const struct dccp_sock *dp = dccp_sk(sk);
 	return dp->dccps_timestamp_echo != 0 ||
-#ifdef CONFIG_IP_DCCP_ACKVEC
 	       (dp->dccps_hc_rx_ackvec != NULL &&
 		dccp_ackvec_pending(dp->dccps_hc_rx_ackvec)) ||
-#endif
 	       inet_csk_ack_scheduled(sk);
 }
 
diff --git a/net/dccp/feat.c b/net/dccp/feat.c
index 30f9fb7..4152308 100644
--- a/net/dccp/feat.c
+++ b/net/dccp/feat.c
@@ -34,7 +34,7 @@
 static int dccp_hdlr_ccid(struct sock *sk, u64 ccid, bool rx)
 {
 	struct dccp_sock *dp = dccp_sk(sk);
-	struct ccid *new_ccid = ccid_new(ccid, sk, rx, gfp_any());
+	struct ccid *new_ccid = ccid_new(ccid, sk, rx);
 
 	if (new_ccid == NULL)
 		return -ENOMEM;
@@ -1214,8 +1214,6 @@
 	return NULL;
 }
 
-EXPORT_SYMBOL_GPL(dccp_feat_typename);
-
 const char *dccp_feat_name(const u8 feat)
 {
 	static const char *feature_names[] = {
@@ -1240,6 +1238,4 @@
 
 	return feature_names[feat];
 }
-
-EXPORT_SYMBOL_GPL(dccp_feat_name);
 #endif /* CONFIG_IP_DCCP_DEBUG */
diff --git a/net/dccp/input.c b/net/dccp/input.c
index 5eb443f..7648f31 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -741,5 +741,3 @@
 
 	return delta;
 }
-
-EXPORT_SYMBOL_GPL(dccp_sample_rtt);
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 1747cca..945b4d5 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -1118,9 +1118,15 @@
 	if (rc)
 		goto out_ackvec_exit;
 
+	rc = ccid_initialize_builtins();
+	if (rc)
+		goto out_sysctl_exit;
+
 	dccp_timestamping_init();
 out:
 	return rc;
+out_sysctl_exit:
+	dccp_sysctl_exit();
 out_ackvec_exit:
 	dccp_ackvec_exit();
 out_free_dccp_mib:
@@ -1143,6 +1149,7 @@
 
 static void __exit dccp_fini(void)
 {
+	ccid_cleanup_builtins();
 	dccp_mib_exit();
 	free_pages((unsigned long)dccp_hashinfo.bhash,
 		   get_order(dccp_hashinfo.bhash_size *
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f28acf1..35bcddf 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -580,10 +580,6 @@
 		else if (!ret) {
 			if (spliced)
 				break;
-			if (flags & SPLICE_F_NONBLOCK) {
-				ret = -EAGAIN;
-				break;
-			}
 			if (sock_flag(sk, SOCK_DONE))
 				break;
 			if (sk->sk_err) {
@@ -2519,9 +2515,7 @@
 	flush |= memcmp(th + 1, th2 + 1, thlen - sizeof(*th));
 
 	total = p->len;
-	mss = total;
-	if (skb_shinfo(p)->frag_list)
-		mss = skb_shinfo(p)->frag_list->len;
+	mss = skb_shinfo(p)->gso_size;
 
 	flush |= skb->len > mss || skb->len <= 0;
 	flush |= ntohl(th2->seq) + total != ntohl(th->seq);
@@ -2557,7 +2551,6 @@
 	skb->csum_offset = offsetof(struct tcphdr, check);
 	skb->ip_summed = CHECKSUM_PARTIAL;
 
-	skb_shinfo(skb)->gso_size = skb_shinfo(skb)->frag_list->len;
 	skb_shinfo(skb)->gso_segs = NAPI_GRO_CB(skb)->count;
 
 	if (th->cwr)
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index eeeaad2..40f3246 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -404,7 +404,7 @@
 		else if (optlen < sizeof(struct in6_pktinfo) || optval == NULL)
 			goto e_inval;
 
-		if (copy_from_user(&pkt, optval, optlen)) {
+		if (copy_from_user(&pkt, optval, sizeof(struct in6_pktinfo))) {
 				retv = -EFAULT;
 				break;
 		}
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 18c486c..76f06b9 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -627,6 +627,9 @@
 	rt = ip6_rt_copy(ort);
 
 	if (rt) {
+		struct neighbour *neigh;
+		int attempts = !in_softirq();
+
 		if (!(rt->rt6i_flags&RTF_GATEWAY)) {
 			if (rt->rt6i_dst.plen != 128 &&
 			    ipv6_addr_equal(&rt->rt6i_dst.addr, daddr))
@@ -646,7 +649,35 @@
 		}
 #endif
 
-		rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
+	retry:
+		neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
+		if (IS_ERR(neigh)) {
+			struct net *net = dev_net(rt->rt6i_dev);
+			int saved_rt_min_interval =
+				net->ipv6.sysctl.ip6_rt_gc_min_interval;
+			int saved_rt_elasticity =
+				net->ipv6.sysctl.ip6_rt_gc_elasticity;
+
+			if (attempts-- > 0) {
+				net->ipv6.sysctl.ip6_rt_gc_elasticity = 1;
+				net->ipv6.sysctl.ip6_rt_gc_min_interval = 0;
+
+				ip6_dst_gc(net->ipv6.ip6_dst_ops);
+
+				net->ipv6.sysctl.ip6_rt_gc_elasticity =
+					saved_rt_elasticity;
+				net->ipv6.sysctl.ip6_rt_gc_min_interval =
+					saved_rt_min_interval;
+				goto retry;
+			}
+
+			if (net_ratelimit())
+				printk(KERN_WARNING
+				       "Neighbour table overflow.\n");
+			dst_free(&rt->u.dst);
+			return NULL;
+		}
+		rt->rt6i_nexthop = neigh;
 
 	}
 
@@ -945,8 +976,11 @@
 	dev_hold(dev);
 	if (neigh)
 		neigh_hold(neigh);
-	else
+	else {
 		neigh = ndisc_get_neigh(dev, addr);
+		if (IS_ERR(neigh))
+			neigh = NULL;
+	}
 
 	rt->rt6i_dev	  = dev;
 	rt->rt6i_idev     = idev;
@@ -1887,6 +1921,7 @@
 {
 	struct net *net = dev_net(idev->dev);
 	struct rt6_info *rt = ip6_dst_alloc(net->ipv6.ip6_dst_ops);
+	struct neighbour *neigh;
 
 	if (rt == NULL)
 		return ERR_PTR(-ENOMEM);
@@ -1909,11 +1944,18 @@
 		rt->rt6i_flags |= RTF_ANYCAST;
 	else
 		rt->rt6i_flags |= RTF_LOCAL;
-	rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
-	if (rt->rt6i_nexthop == NULL) {
+	neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
+	if (IS_ERR(neigh)) {
 		dst_free(&rt->u.dst);
-		return ERR_PTR(-ENOMEM);
+
+		/* We are casting this because that is the return
+		 * value type.  But an errno encoded pointer is the
+		 * same regardless of the underlying pointer type,
+		 * and that's what we are returning.  So this is OK.
+		 */
+		return (struct rt6_info *) neigh;
 	}
+	rt->rt6i_nexthop = neigh;
 
 	ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
 	rt->rt6i_dst.plen = 128;
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index af3192d..eb8a2a0 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -494,7 +494,21 @@
 	if (err) {
 		iucv_path_free(iucv->path);
 		iucv->path = NULL;
-		err = -ECONNREFUSED;
+		switch (err) {
+		case 0x0b:	/* Target communicator is not logged on */
+			err = -ENETUNREACH;
+			break;
+		case 0x0d:	/* Max connections for this guest exceeded */
+		case 0x0e:	/* Max connections for target guest exceeded */
+			err = -EAGAIN;
+			break;
+		case 0x0f:	/* Missing IUCV authorization */
+			err = -EACCES;
+			break;
+		default:
+			err = -ECONNREFUSED;
+			break;
+		}
 		goto done;
 	}
 
@@ -507,6 +521,13 @@
 		release_sock(sk);
 		return -ECONNREFUSED;
 	}
+
+	if (err) {
+		iucv_path_sever(iucv->path, NULL);
+		iucv_path_free(iucv->path);
+		iucv->path = NULL;
+	}
+
 done:
 	release_sock(sk);
 	return err;
@@ -1021,12 +1042,14 @@
 	ASCEBC(user_data, sizeof(user_data));
 	if (sk->sk_state != IUCV_LISTEN) {
 		err = iucv_path_sever(path, user_data);
+		iucv_path_free(path);
 		goto fail;
 	}
 
 	/* Check for backlog size */
 	if (sk_acceptq_is_full(sk)) {
 		err = iucv_path_sever(path, user_data);
+		iucv_path_free(path);
 		goto fail;
 	}
 
@@ -1034,6 +1057,7 @@
 	nsk = iucv_sock_alloc(NULL, SOCK_STREAM, GFP_ATOMIC);
 	if (!nsk) {
 		err = iucv_path_sever(path, user_data);
+		iucv_path_free(path);
 		goto fail;
 	}
 
@@ -1057,6 +1081,8 @@
 	err = iucv_path_accept(path, &af_iucv_handler, nuser_data, nsk);
 	if (err) {
 		err = iucv_path_sever(path, user_data);
+		iucv_path_free(path);
+		iucv_sock_kill(nsk);
 		goto fail;
 	}
 
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 8f57d4f..032f61e 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -517,6 +517,7 @@
 	size_t alloc_size;
 	int cpu, rc;
 
+	get_online_cpus();
 	rc = -ENOMEM;
 	alloc_size = iucv_max_pathid * sizeof(struct iucv_path);
 	iucv_path_table = kzalloc(alloc_size, GFP_KERNEL);
@@ -524,19 +525,17 @@
 		goto out;
 	/* Declare per cpu buffers. */
 	rc = -EIO;
-	get_online_cpus();
 	for_each_online_cpu(cpu)
 		smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1);
 	if (cpus_empty(iucv_buffer_cpumask))
 		/* No cpu could declare an iucv buffer. */
-		goto out_path;
+		goto out;
 	put_online_cpus();
 	return 0;
-
-out_path:
-	put_online_cpus();
-	kfree(iucv_path_table);
 out:
+	kfree(iucv_path_table);
+	iucv_path_table = NULL;
+	put_online_cpus();
 	return rc;
 }
 
@@ -551,8 +550,9 @@
 {
 	get_online_cpus();
 	on_each_cpu(iucv_retrieve_cpu, NULL, 1);
-	put_online_cpus();
 	kfree(iucv_path_table);
+	iucv_path_table = NULL;
+	put_online_cpus();
 }
 
 static int __cpuinit iucv_cpu_notify(struct notifier_block *self,
@@ -589,10 +589,14 @@
 	case CPU_ONLINE_FROZEN:
 	case CPU_DOWN_FAILED:
 	case CPU_DOWN_FAILED_FROZEN:
+		if (!iucv_path_table)
+			break;
 		smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1);
 		break;
 	case CPU_DOWN_PREPARE:
 	case CPU_DOWN_PREPARE_FROZEN:
+		if (!iucv_path_table)
+			break;
 		cpumask = iucv_buffer_cpumask;
 		cpu_clear(cpu, cpumask);
 		if (cpus_empty(cpumask))
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index 3c94f76..3eaa394 100644
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -54,10 +54,10 @@
 static bool rfkill_epo_lock_active;
 
 
+#ifdef CONFIG_RFKILL_LEDS
 static void rfkill_led_trigger(struct rfkill *rfkill,
 			       enum rfkill_state state)
 {
-#ifdef CONFIG_RFKILL_LEDS
 	struct led_trigger *led = &rfkill->led_trigger;
 
 	if (!led->name)
@@ -66,10 +66,8 @@
 		led_trigger_event(led, LED_OFF);
 	else
 		led_trigger_event(led, LED_FULL);
-#endif /* CONFIG_RFKILL_LEDS */
 }
 
-#ifdef CONFIG_RFKILL_LEDS
 static void rfkill_led_trigger_activate(struct led_classdev *led)
 {
 	struct rfkill *rfkill = container_of(led->trigger,
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 05d1780..07372f6 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -638,8 +638,9 @@
 				break;
 
 		n->next = *ins;
-		wmb();
+		tcf_tree_lock(tp);
 		*ins = n;
+		tcf_tree_unlock(tp);
 
 		*arg = (unsigned long)n;
 		return 0;
diff --git a/net/socket.c b/net/socket.c
index 2c730fc..06603d7 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1313,13 +1313,7 @@
 		goto out_fd1;
 	}
 
-	err = audit_fd_pair(fd1, fd2);
-	if (err < 0) {
-		fput(newfile1);
-		fput(newfile2);
-		goto out_fd;
-	}
-
+	audit_fd_pair(fd1, fd2);
 	fd_install(fd1, newfile1);
 	fd_install(fd2, newfile2);
 	/* fd1 and fd2 may be already another descriptors.
@@ -1349,7 +1343,6 @@
 out_fd1:
 	put_filp(newfile2);
 	sock_release(sock2);
-out_fd:
 	put_unused_fd(fd1);
 	put_unused_fd(fd2);
 	goto out;
@@ -2065,9 +2058,7 @@
 	if (copy_from_user(a, args, nargs[call]))
 		return -EFAULT;
 
-	err = audit_socketcall(nargs[call] / sizeof(unsigned long), a);
-	if (err)
-		return err;
+	audit_socketcall(nargs[call] / sizeof(unsigned long), a);
 
 	a0 = a[0];
 	a1 = a[1];
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 1924532..577385a 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -522,8 +522,6 @@
 	if (!inode)
 		return NULL;
 	inode->i_mode = mode;
-	inode->i_uid = inode->i_gid = 0;
-	inode->i_blocks = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	switch(mode & S_IFMT) {
 		case S_IFDIR:
diff --git a/security/commoncap.c b/security/commoncap.c
index 7971354..69fc995 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -238,7 +238,7 @@
 	struct inode *inode = dentry->d_inode;
 	int error;
 
-	if (!inode->i_op || !inode->i_op->getxattr)
+	if (!inode->i_op->getxattr)
 	       return 0;
 
 	error = inode->i_op->getxattr(dentry, XATTR_NAME_CAPS, NULL, 0);
@@ -259,7 +259,7 @@
 {
 	struct inode *inode = dentry->d_inode;
 
-	if (!inode->i_op || !inode->i_op->removexattr)
+	if (!inode->i_op->removexattr)
 	       return 0;
 
 	return inode->i_op->removexattr(dentry, XATTR_NAME_CAPS);
@@ -317,7 +317,7 @@
 
 	memset(cpu_caps, 0, sizeof(struct cpu_vfs_cap_data));
 
-	if (!inode || !inode->i_op || !inode->i_op->getxattr)
+	if (!inode || !inode->i_op->getxattr)
 		return -ENODATA;
 
 	size = inode->i_op->getxattr((struct dentry *)dentry, XATTR_NAME_CAPS, &caps,
diff --git a/security/inode.c b/security/inode.c
index efea5a6..007ef25 100644
--- a/security/inode.c
+++ b/security/inode.c
@@ -61,9 +61,6 @@
 
 	if (inode) {
 		inode->i_mode = mode;
-		inode->i_uid = 0;
-		inode->i_gid = 0;
-		inode->i_blocks = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 		switch (mode & S_IFMT) {
 		default:
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index e552099..8f612c8 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -847,8 +847,6 @@
 
 	if (ret) {
 		ret->i_mode = mode;
-		ret->i_uid = ret->i_gid = 0;
-		ret->i_blocks = 0;
 		ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
 	}
 	return ret;
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 343c8ab..c65e4fe 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2602,7 +2602,7 @@
 	case AUDIT_OBJ_ROLE:
 	case AUDIT_OBJ_TYPE:
 		/* only 'equals' and 'not equals' fit user, role, and type */
-		if (op != AUDIT_EQUAL && op != AUDIT_NOT_EQUAL)
+		if (op != Audit_equal && op != Audit_not_equal)
 			return -EINVAL;
 		break;
 	case AUDIT_SUBJ_SEN:
@@ -2736,10 +2736,10 @@
 	case AUDIT_SUBJ_USER:
 	case AUDIT_OBJ_USER:
 		switch (op) {
-		case AUDIT_EQUAL:
+		case Audit_equal:
 			match = (ctxt->user == rule->au_ctxt.user);
 			break;
-		case AUDIT_NOT_EQUAL:
+		case Audit_not_equal:
 			match = (ctxt->user != rule->au_ctxt.user);
 			break;
 		}
@@ -2747,10 +2747,10 @@
 	case AUDIT_SUBJ_ROLE:
 	case AUDIT_OBJ_ROLE:
 		switch (op) {
-		case AUDIT_EQUAL:
+		case Audit_equal:
 			match = (ctxt->role == rule->au_ctxt.role);
 			break;
-		case AUDIT_NOT_EQUAL:
+		case Audit_not_equal:
 			match = (ctxt->role != rule->au_ctxt.role);
 			break;
 		}
@@ -2758,10 +2758,10 @@
 	case AUDIT_SUBJ_TYPE:
 	case AUDIT_OBJ_TYPE:
 		switch (op) {
-		case AUDIT_EQUAL:
+		case Audit_equal:
 			match = (ctxt->type == rule->au_ctxt.type);
 			break;
-		case AUDIT_NOT_EQUAL:
+		case Audit_not_equal:
 			match = (ctxt->type != rule->au_ctxt.type);
 			break;
 		}
@@ -2774,31 +2774,31 @@
 			  field == AUDIT_OBJ_LEV_LOW) ?
 			 &ctxt->range.level[0] : &ctxt->range.level[1]);
 		switch (op) {
-		case AUDIT_EQUAL:
+		case Audit_equal:
 			match = mls_level_eq(&rule->au_ctxt.range.level[0],
 					     level);
 			break;
-		case AUDIT_NOT_EQUAL:
+		case Audit_not_equal:
 			match = !mls_level_eq(&rule->au_ctxt.range.level[0],
 					      level);
 			break;
-		case AUDIT_LESS_THAN:
+		case Audit_lt:
 			match = (mls_level_dom(&rule->au_ctxt.range.level[0],
 					       level) &&
 				 !mls_level_eq(&rule->au_ctxt.range.level[0],
 					       level));
 			break;
-		case AUDIT_LESS_THAN_OR_EQUAL:
+		case Audit_le:
 			match = mls_level_dom(&rule->au_ctxt.range.level[0],
 					      level);
 			break;
-		case AUDIT_GREATER_THAN:
+		case Audit_gt:
 			match = (mls_level_dom(level,
 					      &rule->au_ctxt.range.level[0]) &&
 				 !mls_level_eq(level,
 					       &rule->au_ctxt.range.level[0]));
 			break;
-		case AUDIT_GREATER_THAN_OR_EQUAL:
+		case Audit_ge:
 			match = mls_level_dom(level,
 					      &rule->au_ctxt.range.level[0]);
 			break;
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 1b5551d..848212f 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -2492,7 +2492,7 @@
 	if (field != AUDIT_SUBJ_USER && field != AUDIT_OBJ_USER)
 		return -EINVAL;
 
-	if (op != AUDIT_EQUAL && op != AUDIT_NOT_EQUAL)
+	if (op != Audit_equal && op != Audit_not_equal)
 		return -EINVAL;
 
 	*rule = smk_import(rulestr, 0);
@@ -2556,9 +2556,9 @@
 	 * both pointers will point to the same smack_known
 	 * label.
 	 */
-	if (op == AUDIT_EQUAL)
+	if (op == Audit_equal)
 		return (rule == smack);
-	if (op == AUDIT_NOT_EQUAL)
+	if (op == Audit_not_equal)
 		return (rule != smack);
 
 	return 0;
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index b20e1ce..75de40a 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -25,6 +25,8 @@
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <sound/core.h>
+#include <sound/jack.h>
+
 #include "hda_codec.h"
 #include "hda_local.h"
 
@@ -37,7 +39,20 @@
 #define CONEXANT_HP_EVENT	0x37
 #define CONEXANT_MIC_EVENT	0x38
 
+/* Conexant 5051 specific */
 
+#define CXT5051_SPDIF_OUT	0x1C
+#define CXT5051_PORTB_EVENT	0x38
+#define CXT5051_PORTC_EVENT	0x39
+
+
+struct conexant_jack {
+
+	hda_nid_t nid;
+	int type;
+	struct snd_jack *jack;
+
+};
 
 struct conexant_spec {
 
@@ -83,6 +98,9 @@
 
 	unsigned int spdif_route;
 
+	/* jack detection */
+	struct snd_array jacks;
+
 	/* dynamic controls, init_verbs and input_mux */
 	struct auto_pin_cfg autocfg;
 	struct hda_input_mux private_imux;
@@ -329,6 +347,86 @@
 				     &spec->cur_mux[adc_idx]);
 }
 
+static int conexant_add_jack(struct hda_codec *codec,
+		hda_nid_t nid, int type)
+{
+	struct conexant_spec *spec;
+	struct conexant_jack *jack;
+	const char *name;
+
+	spec = codec->spec;
+	snd_array_init(&spec->jacks, sizeof(*jack), 32);
+	jack = snd_array_new(&spec->jacks);
+	name = (type == SND_JACK_HEADPHONE) ? "Headphone" : "Mic" ;
+
+	if (!jack)
+		return -ENOMEM;
+
+	jack->nid = nid;
+	jack->type = type;
+
+	return snd_jack_new(codec->bus->card, name, type, &jack->jack);
+}
+
+static void conexant_report_jack(struct hda_codec *codec, hda_nid_t nid)
+{
+	struct conexant_spec *spec = codec->spec;
+	struct conexant_jack *jacks = spec->jacks.list;
+
+	if (jacks) {
+		int i;
+		for (i = 0; i < spec->jacks.used; i++) {
+			if (jacks->nid == nid) {
+				unsigned int present;
+				present = snd_hda_codec_read(codec, nid, 0,
+						AC_VERB_GET_PIN_SENSE, 0) &
+					AC_PINSENSE_PRESENCE;
+
+				present = (present) ? jacks->type : 0 ;
+
+				snd_jack_report(jacks->jack,
+						present);
+			}
+			jacks++;
+		}
+	}
+}
+
+static int conexant_init_jacks(struct hda_codec *codec)
+{
+#ifdef CONFIG_SND_JACK
+	struct conexant_spec *spec = codec->spec;
+	int i;
+
+	for (i = 0; i < spec->num_init_verbs; i++) {
+		const struct hda_verb *hv;
+
+		hv = spec->init_verbs[i];
+		while (hv->nid) {
+			int err = 0;
+			switch (hv->param ^ AC_USRSP_EN) {
+			case CONEXANT_HP_EVENT:
+				err = conexant_add_jack(codec, hv->nid,
+						SND_JACK_HEADPHONE);
+				conexant_report_jack(codec, hv->nid);
+				break;
+			case CXT5051_PORTC_EVENT:
+			case CONEXANT_MIC_EVENT:
+				err = conexant_add_jack(codec, hv->nid,
+						SND_JACK_MICROPHONE);
+				conexant_report_jack(codec, hv->nid);
+				break;
+			}
+			if (err < 0)
+				return err;
+			++hv;
+		}
+	}
+#endif
+	return 0;
+
+}
+
 static int conexant_init(struct hda_codec *codec)
 {
 	struct conexant_spec *spec = codec->spec;
@@ -341,6 +439,16 @@
 
 static void conexant_free(struct hda_codec *codec)
 {
+#ifdef CONFIG_SND_JACK
+	struct conexant_spec *spec = codec->spec;
+	if (spec->jacks.list) {
+		struct conexant_jack *jacks = spec->jacks.list;
+		int i;
+		for (i = 0; i < spec->jacks.used; i++)
+			snd_device_free(codec->bus->card, &jacks[i].jack);
+		snd_array_free(&spec->jacks);
+	}
+#endif
 	kfree(codec->spec);
 }
 
@@ -1526,9 +1634,6 @@
 /* Conexant 5051 specific */
 static hda_nid_t cxt5051_dac_nids[1] = { 0x10 };
 static hda_nid_t cxt5051_adc_nids[2] = { 0x14, 0x15 };
-#define CXT5051_SPDIF_OUT	0x1C
-#define CXT5051_PORTB_EVENT	0x38
-#define CXT5051_PORTC_EVENT	0x39
 
 static struct hda_channel_mode cxt5051_modes[1] = {
 	{ 2, NULL },
@@ -1608,6 +1713,7 @@
 static void cxt5051_hp_unsol_event(struct hda_codec *codec,
 				   unsigned int res)
 {
+	int nid = (res & AC_UNSOL_RES_SUBTAG) >> 20;
 	switch (res >> 26) {
 	case CONEXANT_HP_EVENT:
 		cxt5051_hp_automute(codec);
@@ -1619,6 +1725,7 @@
 		cxt5051_portc_automic(codec);
 		break;
 	}
+	conexant_report_jack(codec, nid);
 }
 
 static struct snd_kcontrol_new cxt5051_mixers[] = {
@@ -1693,6 +1800,7 @@
 static int cxt5051_init(struct hda_codec *codec)
 {
 	conexant_init(codec);
+	conexant_init_jacks(codec);
 	if (codec->patch_ops.unsol_event) {
 		cxt5051_hp_automute(codec);
 		cxt5051_portb_automic(codec);
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 0bd4e6b..9065ebf 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -8467,6 +8467,7 @@
 	SND_PCI_QUIRK(0x103c, 0x2a4f, "HP Samba", ALC888_3ST_HP),
 	SND_PCI_QUIRK(0x103c, 0x2a60, "HP Lucknow", ALC888_3ST_HP),
 	SND_PCI_QUIRK(0x103c, 0x2a61, "HP Nettle", ALC883_6ST_DIG),
+	SND_PCI_QUIRK(0x103c, 0x2a66, "HP Acacia", ALC888_3ST_HP),
 	SND_PCI_QUIRK(0x1043, 0x1873, "Asus M90V", ALC888_ASUS_M90V),
 	SND_PCI_QUIRK(0x1043, 0x8249, "Asus M2A-VM HDMI", ALC883_3ST_6ch_DIG),
 	SND_PCI_QUIRK(0x1043, 0x82fe, "Asus P5Q-EM HDMI", ALC1200_ASUS_P5Q),
@@ -16638,9 +16639,9 @@
 	  .patch = patch_alc882 }, /* should be patch_alc883() in future */
 	{ .id = 0x10ec0885, .name = "ALC885", .patch = patch_alc882 },
 	{ .id = 0x10ec0887, .name = "ALC887", .patch = patch_alc883 },
-	{ .id = 0x10ec0888, .name = "ALC888", .patch = patch_alc883 },
 	{ .id = 0x10ec0888, .rev = 0x100101, .name = "ALC1200",
 	  .patch = patch_alc883 },
+	{ .id = 0x10ec0888, .name = "ALC888", .patch = patch_alc883 },
 	{ .id = 0x10ec0889, .name = "ALC889", .patch = patch_alc883 },
 	{} /* terminator */
 };
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index 0dfa054..bb8d8c7 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -1239,7 +1239,7 @@
 	if (ice->force_pdma4 || ice->force_rdma1)
 		name = "ICE1724 Secondary";
 	else
-		name = "IEC1724 IEC958";
+		name = "ICE1724 IEC958";
 	err = snd_pcm_new(ice->card, name, device, play, capt, &pcm);
 	if (err < 0)
 		return err;
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index 5184888..31e44e3 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -298,30 +298,107 @@
 static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control =
 SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum);
 
-static int outmixer_event(struct snd_soc_dapm_widget *w,
+/* Left analog microphone selection */
+static const char *twl4030_analoglmic_texts[] =
+		{"Off", "Main mic", "Headset mic", "Invalid", "AUXL",
+		 "Invalid", "Invalid", "Invalid", "Carkit mic"};
+
+static const struct soc_enum twl4030_analoglmic_enum =
+	SOC_ENUM_SINGLE(TWL4030_REG_ANAMICL, 0,
+			ARRAY_SIZE(twl4030_analoglmic_texts),
+			twl4030_analoglmic_texts);
+
+static const struct snd_kcontrol_new twl4030_dapm_analoglmic_control =
+SOC_DAPM_ENUM("Route", twl4030_analoglmic_enum);
+
+/* Right analog microphone selection */
+static const char *twl4030_analogrmic_texts[] =
+		{"Off", "Sub mic", "Invalid", "Invalid", "AUXR"};
+
+static const struct soc_enum twl4030_analogrmic_enum =
+	SOC_ENUM_SINGLE(TWL4030_REG_ANAMICR, 0,
+			ARRAY_SIZE(twl4030_analogrmic_texts),
+			twl4030_analogrmic_texts);
+
+static const struct snd_kcontrol_new twl4030_dapm_analogrmic_control =
+SOC_DAPM_ENUM("Route", twl4030_analogrmic_enum);
+
+/* TX1 L/R Analog/Digital microphone selection */
+static const char *twl4030_micpathtx1_texts[] =
+		{"Analog", "Digimic0"};
+
+static const struct soc_enum twl4030_micpathtx1_enum =
+	SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 0,
+			ARRAY_SIZE(twl4030_micpathtx1_texts),
+			twl4030_micpathtx1_texts);
+
+static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control =
+SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum);
+
+/* TX2 L/R Analog/Digital microphone selection */
+static const char *twl4030_micpathtx2_texts[] =
+		{"Analog", "Digimic1"};
+
+static const struct soc_enum twl4030_micpathtx2_enum =
+	SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 2,
+			ARRAY_SIZE(twl4030_micpathtx2_texts),
+			twl4030_micpathtx2_texts);
+
+static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control =
+SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum);
+
+/*
+ * This function filters out the non valid mux settings, named as "Invalid"
+ * in the enum texts.
+ * Just refuse to set an invalid mux mode.
+ */
+static int twl4030_enum_event(struct snd_soc_dapm_widget *w,
 	struct snd_kcontrol *kcontrol, int event)
 {
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	int ret = 0;
 	int val;
 
-	switch (e->reg) {
-	case TWL4030_REG_PREDL_CTL:
-	case TWL4030_REG_PREDR_CTL:
-	case TWL4030_REG_EAR_CTL:
-		val = w->value >> e->shift_l;
-		if (val == 3) {
-			printk(KERN_WARNING
-			"Invalid MUX setting for register 0x%02x (%d)\n",
-			      e->reg, val);
-			ret = -1;
-		}
-		break;
+	val = w->value >> e->shift_l;
+	if (!strcmp("Invalid", e->texts[val])) {
+		printk(KERN_WARNING "Invalid MUX setting on 0x%02x (%d)\n",
+			e->reg, val);
+		ret = -1;
 	}
 
 	return ret;
 }
 
+static int micpath_event(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	struct soc_enum *e = (struct soc_enum *)w->kcontrols->private_value;
+	unsigned char adcmicsel, micbias_ctl;
+
+	adcmicsel = twl4030_read_reg_cache(w->codec, TWL4030_REG_ADCMICSEL);
+	micbias_ctl = twl4030_read_reg_cache(w->codec, TWL4030_REG_MICBIAS_CTL);
+	/* Prepare the bits for the given TX path:
+	 * shift_l == 0: TX1 microphone path
+	 * shift_l == 2: TX2 microphone path */
+	if (e->shift_l) {
+		/* TX2 microphone path */
+		if (adcmicsel & TWL4030_TX2IN_SEL)
+			micbias_ctl |= TWL4030_MICBIAS2_CTL; /* digimic */
+		else
+			micbias_ctl &= ~TWL4030_MICBIAS2_CTL;
+	} else {
+		/* TX1 microphone path */
+		if (adcmicsel & TWL4030_TX1IN_SEL)
+			micbias_ctl |= TWL4030_MICBIAS1_CTL; /* digimic */
+		else
+			micbias_ctl &= ~TWL4030_MICBIAS1_CTL;
+	}
+
+	twl4030_write(w->codec, TWL4030_REG_MICBIAS_CTL, micbias_ctl);
+
+	return 0;
+}
+
 static int handsfree_event(struct snd_soc_dapm_widget *w,
 		struct snd_kcontrol *kcontrol, int event)
 {
@@ -503,162 +580,6 @@
 	return err;
 }
 
-static int twl4030_get_left_input(struct snd_kcontrol *kcontrol,
-	struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_codec *codec = kcontrol->private_data;
-	u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL);
-	int result = 0;
-
-	/* one bit must be set a time */
-	reg &= TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN
-			| TWL4030_MAINMIC_EN;
-	if (reg != 0) {
-		result++;
-		while ((reg & 1) == 0) {
-			result++;
-			reg >>= 1;
-		}
-	}
-
-	ucontrol->value.integer.value[0] = result;
-	return 0;
-}
-
-static int twl4030_put_left_input(struct snd_kcontrol *kcontrol,
-	struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_codec *codec = kcontrol->private_data;
-	int value = ucontrol->value.integer.value[0];
-	u8 anamicl, micbias, avadc_ctl;
-
-	anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL);
-	anamicl &= ~(TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN
-			| TWL4030_MAINMIC_EN);
-	micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL);
-	micbias &= ~(TWL4030_HSMICBIAS_EN | TWL4030_MICBIAS1_EN);
-	avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL);
-
-	switch (value) {
-	case 1:
-		anamicl |= TWL4030_MAINMIC_EN;
-		micbias |= TWL4030_MICBIAS1_EN;
-		break;
-	case 2:
-		anamicl |= TWL4030_HSMIC_EN;
-		micbias |= TWL4030_HSMICBIAS_EN;
-		break;
-	case 3:
-		anamicl |= TWL4030_AUXL_EN;
-		break;
-	case 4:
-		anamicl |= TWL4030_CKMIC_EN;
-		break;
-	default:
-		break;
-	}
-
-	/* If some input is selected, enable amp and ADC */
-	if (value != 0) {
-		anamicl |= TWL4030_MICAMPL_EN;
-		avadc_ctl |= TWL4030_ADCL_EN;
-	} else {
-		anamicl &= ~TWL4030_MICAMPL_EN;
-		avadc_ctl &= ~TWL4030_ADCL_EN;
-	}
-
-	twl4030_write(codec, TWL4030_REG_ANAMICL, anamicl);
-	twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias);
-	twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl);
-
-	return 1;
-}
-
-static int twl4030_get_right_input(struct snd_kcontrol *kcontrol,
-	struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_codec *codec = kcontrol->private_data;
-	u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR);
-	int value = 0;
-
-	reg &= TWL4030_SUBMIC_EN|TWL4030_AUXR_EN;
-	switch (reg) {
-	case TWL4030_SUBMIC_EN:
-		value = 1;
-		break;
-	case TWL4030_AUXR_EN:
-		value = 2;
-		break;
-	default:
-		break;
-	}
-
-	ucontrol->value.integer.value[0] = value;
-	return 0;
-}
-
-static int twl4030_put_right_input(struct snd_kcontrol *kcontrol,
-	struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_codec *codec = kcontrol->private_data;
-	int value = ucontrol->value.integer.value[0];
-	u8 anamicr, micbias, avadc_ctl;
-
-	anamicr = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR);
-	anamicr &= ~(TWL4030_SUBMIC_EN|TWL4030_AUXR_EN);
-	micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL);
-	micbias &= ~TWL4030_MICBIAS2_EN;
-	avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL);
-
-	switch (value) {
-	case 1:
-		anamicr |= TWL4030_SUBMIC_EN;
-		micbias |= TWL4030_MICBIAS2_EN;
-		break;
-	case 2:
-		anamicr |= TWL4030_AUXR_EN;
-		break;
-	default:
-		break;
-	}
-
-	if (value != 0) {
-		anamicr |= TWL4030_MICAMPR_EN;
-		avadc_ctl |= TWL4030_ADCR_EN;
-	} else {
-		anamicr &= ~TWL4030_MICAMPR_EN;
-		avadc_ctl &= ~TWL4030_ADCR_EN;
-	}
-
-	twl4030_write(codec, TWL4030_REG_ANAMICR, anamicr);
-	twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias);
-	twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl);
-
-	return 1;
-}
-
-static const char *twl4030_left_in_sel[] = {
-	"None",
-	"Main Mic",
-	"Headset Mic",
-	"Line In",
-	"Carkit Mic",
-};
-
-static const char *twl4030_right_in_sel[] = {
-	"None",
-	"Sub Mic",
-	"Line In",
-};
-
-static const struct soc_enum twl4030_left_input_mux =
-	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_left_in_sel),
-		twl4030_left_in_sel);
-
-static const struct soc_enum twl4030_right_input_mux =
-	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_right_in_sel),
-		twl4030_right_in_sel);
-
 /*
  * FGAIN volume control:
  * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB)
@@ -741,18 +662,15 @@
 		TWL4030_REG_EAR_CTL, 4, 3, 0, output_tvl),
 
 	/* Common capture gain controls */
-	SOC_DOUBLE_R_TLV("Capture Volume",
+	SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume",
 		TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,
 		0, 0x1f, 0, digital_capture_tlv),
+	SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume",
+		TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA,
+		0, 0x1f, 0, digital_capture_tlv),
 
-	SOC_DOUBLE_TLV("Input Boost Volume", TWL4030_REG_ANAMIC_GAIN,
+	SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN,
 		0, 3, 5, 0, input_gain_tlv),
-
-	/* Input source controls */
-	SOC_ENUM_EXT("Left Input Source", twl4030_left_input_mux,
-		twl4030_get_left_input, twl4030_put_left_input),
-	SOC_ENUM_EXT("Right Input Source", twl4030_right_input_mux,
-		twl4030_get_right_input, twl4030_put_right_input),
 };
 
 /* add non dapm controls */
@@ -772,9 +690,19 @@
 }
 
 static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
-	SND_SOC_DAPM_INPUT("INL"),
-	SND_SOC_DAPM_INPUT("INR"),
+	/* Left channel inputs */
+	SND_SOC_DAPM_INPUT("MAINMIC"),
+	SND_SOC_DAPM_INPUT("HSMIC"),
+	SND_SOC_DAPM_INPUT("AUXL"),
+	SND_SOC_DAPM_INPUT("CARKITMIC"),
+	/* Right channel inputs */
+	SND_SOC_DAPM_INPUT("SUBMIC"),
+	SND_SOC_DAPM_INPUT("AUXR"),
+	/* Digital microphones (Stereo) */
+	SND_SOC_DAPM_INPUT("DIGIMIC0"),
+	SND_SOC_DAPM_INPUT("DIGIMIC1"),
 
+	/* Outputs */
 	SND_SOC_DAPM_OUTPUT("OUTL"),
 	SND_SOC_DAPM_OUTPUT("OUTR"),
 	SND_SOC_DAPM_OUTPUT("EARPIECE"),
@@ -810,14 +738,14 @@
 	/* Output MUX controls */
 	/* Earpiece */
 	SND_SOC_DAPM_MUX_E("Earpiece Mux", SND_SOC_NOPM, 0, 0,
-		&twl4030_dapm_earpiece_control, outmixer_event,
+		&twl4030_dapm_earpiece_control, twl4030_enum_event,
 		SND_SOC_DAPM_PRE_REG),
 	/* PreDrivL/R */
 	SND_SOC_DAPM_MUX_E("PredriveL Mux", SND_SOC_NOPM, 0, 0,
-		&twl4030_dapm_predrivel_control, outmixer_event,
+		&twl4030_dapm_predrivel_control, twl4030_enum_event,
 		SND_SOC_DAPM_PRE_REG),
 	SND_SOC_DAPM_MUX_E("PredriveR Mux", SND_SOC_NOPM, 0, 0,
-		&twl4030_dapm_predriver_control, outmixer_event,
+		&twl4030_dapm_predriver_control, twl4030_enum_event,
 		SND_SOC_DAPM_PRE_REG),
 	/* HeadsetL/R */
 	SND_SOC_DAPM_MUX("HeadsetL Mux", SND_SOC_NOPM, 0, 0,
@@ -837,8 +765,50 @@
 		&twl4030_dapm_handsfreer_control, handsfree_event,
 		SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
 
-	SND_SOC_DAPM_ADC("ADCL", "Left Capture", SND_SOC_NOPM, 0, 0),
-	SND_SOC_DAPM_ADC("ADCR", "Right Capture", SND_SOC_NOPM, 0, 0),
+	/* Introducing four virtual ADC, since TWL4030 have four channel for
+	   capture */
+	SND_SOC_DAPM_ADC("ADC Virtual Left1", "Left Front Capture",
+		SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_ADC("ADC Virtual Right1", "Right Front Capture",
+		SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_ADC("ADC Virtual Left2", "Left Rear Capture",
+		SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_ADC("ADC Virtual Right2", "Right Rear Capture",
+		SND_SOC_NOPM, 0, 0),
+
+	/* Analog/Digital mic path selection.
+	   TX1 Left/Right: either analog Left/Right or Digimic0
+	   TX2 Left/Right: either analog Left/Right or Digimic1 */
+	SND_SOC_DAPM_MUX_E("TX1 Capture Route", SND_SOC_NOPM, 0, 0,
+		&twl4030_dapm_micpathtx1_control, micpath_event,
+		SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD|
+		SND_SOC_DAPM_POST_REG),
+	SND_SOC_DAPM_MUX_E("TX2 Capture Route", SND_SOC_NOPM, 0, 0,
+		&twl4030_dapm_micpathtx2_control, micpath_event,
+		SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD|
+		SND_SOC_DAPM_POST_REG),
+
+	/* Analog input muxes with power switch for the physical ADCL/R */
+	SND_SOC_DAPM_MUX_E("Analog Left Capture Route",
+		TWL4030_REG_AVADC_CTL, 3, 0, &twl4030_dapm_analoglmic_control,
+		twl4030_enum_event, SND_SOC_DAPM_PRE_REG),
+	SND_SOC_DAPM_MUX_E("Analog Right Capture Route",
+		TWL4030_REG_AVADC_CTL, 1, 0, &twl4030_dapm_analogrmic_control,
+		twl4030_enum_event, SND_SOC_DAPM_PRE_REG),
+
+	SND_SOC_DAPM_PGA("Analog Left Amplifier",
+		TWL4030_REG_ANAMICL, 4, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Analog Right Amplifier",
+		TWL4030_REG_ANAMICR, 4, 0, NULL, 0),
+
+	SND_SOC_DAPM_PGA("Digimic0 Enable",
+		TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Digimic1 Enable",
+		TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0),
+
+	SND_SOC_DAPM_MICBIAS("Mic Bias 1", TWL4030_REG_MICBIAS_CTL, 0, 0),
+	SND_SOC_DAPM_MICBIAS("Mic Bias 2", TWL4030_REG_MICBIAS_CTL, 1, 0),
+	SND_SOC_DAPM_MICBIAS("Headset Mic Bias", TWL4030_REG_MICBIAS_CTL, 2, 0),
 };
 
 static const struct snd_soc_dapm_route intercon[] = {
@@ -894,9 +864,39 @@
 	{"HFL", NULL, "HandsfreeL Mux"},
 	{"HFR", NULL, "HandsfreeR Mux"},
 
-	/* inputs */
-	{"ADCL", NULL, "INL"},
-	{"ADCR", NULL, "INR"},
+	/* Capture path */
+	{"Analog Left Capture Route", "Main mic", "MAINMIC"},
+	{"Analog Left Capture Route", "Headset mic", "HSMIC"},
+	{"Analog Left Capture Route", "AUXL", "AUXL"},
+	{"Analog Left Capture Route", "Carkit mic", "CARKITMIC"},
+
+	{"Analog Right Capture Route", "Sub mic", "SUBMIC"},
+	{"Analog Right Capture Route", "AUXR", "AUXR"},
+
+	{"Analog Left Amplifier", NULL, "Analog Left Capture Route"},
+	{"Analog Right Amplifier", NULL, "Analog Right Capture Route"},
+
+	{"Digimic0 Enable", NULL, "DIGIMIC0"},
+	{"Digimic1 Enable", NULL, "DIGIMIC1"},
+
+	/* TX1 Left capture path */
+	{"TX1 Capture Route", "Analog", "Analog Left Amplifier"},
+	{"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
+	/* TX1 Right capture path */
+	{"TX1 Capture Route", "Analog", "Analog Right Amplifier"},
+	{"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
+	/* TX2 Left capture path */
+	{"TX2 Capture Route", "Analog", "Analog Left Amplifier"},
+	{"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
+	/* TX2 Right capture path */
+	{"TX2 Capture Route", "Analog", "Analog Right Amplifier"},
+	{"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
+
+	{"ADC Virtual Left1", NULL, "TX1 Capture Route"},
+	{"ADC Virtual Right1", NULL, "TX1 Capture Route"},
+	{"ADC Virtual Left2", NULL, "TX2 Capture Route"},
+	{"ADC Virtual Right2", NULL, "TX2 Capture Route"},
+
 };
 
 static int twl4030_add_widgets(struct snd_soc_codec *codec)
@@ -923,6 +923,7 @@
 	twl4030_write(codec, TWL4030_REG_ANAMICL,
 		anamicl | TWL4030_CNCL_OFFSET_START);
 
+
 	/* wait for offset cancellation to complete */
 	do {
 		/* this takes a little while, so don't slam i2c */
diff --git a/sound/soc/codecs/twl4030.h b/sound/soc/codecs/twl4030.h
index 54615c7..442e5a8 100644
--- a/sound/soc/codecs/twl4030.h
+++ b/sound/soc/codecs/twl4030.h
@@ -147,6 +147,13 @@
 #define TWL4030_AVADC_CLK_PRIORITY	0x04
 #define TWL4030_ADCR_EN			0x02
 
+/* TWL4030_REG_ADCMICSEL (0x08) Fields */
+
+#define TWL4030_DIGMIC1_EN		0x08
+#define TWL4030_TX2IN_SEL		0x04
+#define TWL4030_DIGMIC0_EN		0x02
+#define TWL4030_TX1IN_SEL		0x01
+
 /* AUDIO_IF (0x0E) Fields */
 
 #define TWL4030_AIF_SLAVE_EN		0x80
diff --git a/sound/soc/davinci/davinci-sffsdr.c b/sound/soc/davinci/davinci-sffsdr.c
index f67579d..4935d1b 100644
--- a/sound/soc/davinci/davinci-sffsdr.c
+++ b/sound/soc/davinci/davinci-sffsdr.c
@@ -24,6 +24,7 @@
 #include <sound/soc-dapm.h>
 
 #include <asm/dma.h>
+#include <asm/mach-types.h>
 #include <asm/plat-sffsdr/sffsdr-fpga.h>
 
 #include <mach/mcbsp.h>
@@ -115,6 +116,9 @@
 {
 	int ret;
 
+	if (!machine_is_sffsdr())
+		return -EINVAL;
+
 	sffsdr_snd_device = platform_device_alloc("soc-audio", 0);
 	if (!sffsdr_snd_device) {
 		printk(KERN_ERR "platform device allocation failed\n");
diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c
index c670d08..53b9fb1 100644
--- a/sound/soc/pxa/pxa2xx-pcm.c
+++ b/sound/soc/pxa/pxa2xx-pcm.c
@@ -61,9 +61,9 @@
 
 	__pxa2xx_pcm_hw_free(substream);
 
-	if (prtd->dma_ch) {
+	if (prtd->dma_ch >= 0) {
 		pxa_free_dma(prtd->dma_ch);
-		prtd->dma_ch = 0;
+		prtd->dma_ch = -1;
 	}
 
 	return 0;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b098c0b..f73c134 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1300,6 +1300,8 @@
 /**
  * snd_soc_new_pcms - create new sound card and pcms
  * @socdev: the SoC audio device
+ * @idx: ALSA card index
+ * @xid: card identification
  *
  * Create a new sound card based upon the codec and interface pcms.
  *
@@ -1472,7 +1474,7 @@
  * snd_soc_cnew - create new control
  * @_template: control template
  * @data: control private data
- * @lnng_name: control long name
+ * @long_name: control long name
  *
  * Create a new mixer control from a template control.
  *
@@ -1522,7 +1524,7 @@
 /**
  * snd_soc_get_enum_double - enumerated double mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a double enumerated mixer.
  *
@@ -1551,7 +1553,7 @@
 /**
  * snd_soc_put_enum_double - enumerated double mixer put callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a double enumerated mixer.
  *
@@ -1668,7 +1670,7 @@
 /**
  * snd_soc_get_volsw - single mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a single mixer control.
  *
@@ -1707,7 +1709,7 @@
 /**
  * snd_soc_put_volsw - single mixer put callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a single mixer control.
  *
@@ -1775,7 +1777,7 @@
 /**
  * snd_soc_get_volsw_2r - double mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a double mixer control that spans 2 registers.
  *
@@ -1812,7 +1814,7 @@
 /**
  * snd_soc_put_volsw_2r - double mixer set callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a double mixer control that spans 2 registers.
  *
@@ -1882,7 +1884,7 @@
 /**
  * snd_soc_get_volsw_s8 - signed mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a signed mixer control.
  *
@@ -1909,7 +1911,7 @@
 /**
  * snd_soc_put_volsw_sgn - signed mixer put callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a signed mixer control.
  *
@@ -1954,7 +1956,7 @@
 /**
  * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
  * @dai: DAI
- * @clk_id: DAI specific clock divider ID
+ * @div_id: DAI specific clock divider ID
  * @div: new clock divisor.
  *
  * Configures the clock dividers. This is used to derive the best DAI bit and
@@ -2060,7 +2062,7 @@
 /**
  * snd_soc_register_card - Register a card with the ASoC core
  *
- * @param card Card to register
+ * @card: Card to register
  *
  * Note that currently this is an internal only function: it will be
  * exposed to machine drivers after further backporting of ASoC v2
@@ -2087,7 +2089,7 @@
 /**
  * snd_soc_unregister_card - Unregister a card with the ASoC core
  *
- * @param card Card to unregister
+ * @card: Card to unregister
  *
  * Note that currently this is an internal only function: it will be
  * exposed to machine drivers after further backporting of ASoC v2
@@ -2107,7 +2109,7 @@
 /**
  * snd_soc_register_dai - Register a DAI with the ASoC core
  *
- * @param dai DAI to register
+ * @dai: DAI to register
  */
 int snd_soc_register_dai(struct snd_soc_dai *dai)
 {
@@ -2134,7 +2136,7 @@
 /**
  * snd_soc_unregister_dai - Unregister a DAI from the ASoC core
  *
- * @param dai DAI to unregister
+ * @dai: DAI to unregister
  */
 void snd_soc_unregister_dai(struct snd_soc_dai *dai)
 {
@@ -2149,8 +2151,8 @@
 /**
  * snd_soc_register_dais - Register multiple DAIs with the ASoC core
  *
- * @param dai Array of DAIs to register
- * @param count Number of DAIs
+ * @dai: Array of DAIs to register
+ * @count: Number of DAIs
  */
 int snd_soc_register_dais(struct snd_soc_dai *dai, size_t count)
 {
@@ -2175,8 +2177,8 @@
 /**
  * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core
  *
- * @param dai Array of DAIs to unregister
- * @param count Number of DAIs
+ * @dai: Array of DAIs to unregister
+ * @count: Number of DAIs
  */
 void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count)
 {
@@ -2190,7 +2192,7 @@
 /**
  * snd_soc_register_platform - Register a platform with the ASoC core
  *
- * @param platform platform to register
+ * @platform: platform to register
  */
 int snd_soc_register_platform(struct snd_soc_platform *platform)
 {
@@ -2213,7 +2215,7 @@
 /**
  * snd_soc_unregister_platform - Unregister a platform from the ASoC core
  *
- * @param platform platform to unregister
+ * @platform: platform to unregister
  */
 void snd_soc_unregister_platform(struct snd_soc_platform *platform)
 {
@@ -2228,7 +2230,7 @@
 /**
  * snd_soc_register_codec - Register a codec with the ASoC core
  *
- * @param codec codec to register
+ * @codec: codec to register
  */
 int snd_soc_register_codec(struct snd_soc_codec *codec)
 {
@@ -2255,7 +2257,7 @@
 /**
  * snd_soc_unregister_codec - Unregister a codec from the ASoC core
  *
- * @param codec codec to unregister
+ * @codec: codec to unregister
  */
 void snd_soc_unregister_codec(struct snd_soc_codec *codec)
 {
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 8863edd..6c79ca6 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1077,7 +1077,7 @@
 /**
  * snd_soc_dapm_get_volsw - dapm mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a dapm mixer control.
  *
@@ -1122,7 +1122,7 @@
 /**
  * snd_soc_dapm_put_volsw - dapm mixer set callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a dapm mixer control.
  *
@@ -1193,7 +1193,7 @@
 /**
  * snd_soc_dapm_get_enum_double - dapm enumerated double mixer get callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to get the value of a dapm enumerated double mixer control.
  *
@@ -1221,7 +1221,7 @@
 /**
  * snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback
  * @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
  *
  * Callback to set the value of a dapm enumerated double mixer control.
  *
@@ -1419,7 +1419,7 @@
 
 /**
  * snd_soc_dapm_enable_pin - enable pin.
- * @snd_soc_codec: SoC codec
+ * @codec: SoC codec
  * @pin: pin name
  *
  * Enables input/output pin and it's parents or children widgets iff there is
diff --git a/sound/usb/caiaq/caiaq-device.c b/sound/usb/caiaq/caiaq-device.c
index b143ef7..a62500e 100644
--- a/sound/usb/caiaq/caiaq-device.c
+++ b/sound/usb/caiaq/caiaq-device.c
@@ -446,7 +446,7 @@
 	if (!card)
 		return -ENOMEM;
 			
-	dev_set_drvdata(&intf->dev, card);
+	usb_set_intfdata(intf, card);
 	ret = init_card(caiaqdev(card));
 	if (ret < 0) {
 		log("unable to init card! (ret=%d)\n", ret);
@@ -460,7 +460,7 @@
 static void snd_disconnect(struct usb_interface *intf)
 {
 	struct snd_usb_caiaqdev *dev;
-	struct snd_card *card = dev_get_drvdata(&intf->dev);
+	struct snd_card *card = usb_get_intfdata(intf);
 
 	debug("%s(%p)\n", __func__, intf);
 
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index bbd70d5..c709b95 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -3709,7 +3709,7 @@
 	void *chip;
 	chip = snd_usb_audio_probe(interface_to_usbdev(intf), intf, id);
 	if (chip) {
-		dev_set_drvdata(&intf->dev, chip);
+		usb_set_intfdata(intf, chip);
 		return 0;
 	} else
 		return -EIO;
@@ -3718,13 +3718,13 @@
 static void usb_audio_disconnect(struct usb_interface *intf)
 {
 	snd_usb_audio_disconnect(interface_to_usbdev(intf),
-				 dev_get_drvdata(&intf->dev));
+				 usb_get_intfdata(intf));
 }
 
 #ifdef CONFIG_PM
 static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message)
 {
-	struct snd_usb_audio *chip = dev_get_drvdata(&intf->dev);
+	struct snd_usb_audio *chip = usb_get_intfdata(intf);
 	struct list_head *p;
 	struct snd_usb_stream *as;
 
@@ -3744,7 +3744,7 @@
 
 static int usb_audio_resume(struct usb_interface *intf)
 {
-	struct snd_usb_audio *chip = dev_get_drvdata(&intf->dev);
+	struct snd_usb_audio *chip = usb_get_intfdata(intf);
 
 	if (chip == (void *)-1L)
 		return 0;
diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c
index 6d9f9b1..320641a 100644
--- a/sound/usb/usbmidi.c
+++ b/sound/usb/usbmidi.c
@@ -1392,8 +1392,7 @@
 	for (i = 0; i < intfd->bNumEndpoints; ++i) {
 		hostep = &hostif->endpoint[i];
 		ep = get_ep_desc(hostep);
-		if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK &&
-		    (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+		if (!usb_endpoint_xfer_bulk(ep) && !usb_endpoint_xfer_int(ep))
 			continue;
 		ms_ep = (struct usb_ms_endpoint_descriptor*)hostep->extra;
 		if (hostep->extralen < 4 ||
@@ -1401,15 +1400,15 @@
 		    ms_ep->bDescriptorType != USB_DT_CS_ENDPOINT ||
 		    ms_ep->bDescriptorSubtype != MS_GENERAL)
 			continue;
-		if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
+		if (usb_endpoint_dir_out(ep)) {
 			if (endpoints[epidx].out_ep) {
 				if (++epidx >= MIDI_MAX_ENDPOINTS) {
 					snd_printk(KERN_WARNING "too many endpoints\n");
 					break;
 				}
 			}
-			endpoints[epidx].out_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
-			if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+			endpoints[epidx].out_ep = usb_endpoint_num(ep);
+			if (usb_endpoint_xfer_int(ep))
 				endpoints[epidx].out_interval = ep->bInterval;
 			else if (snd_usb_get_speed(umidi->chip->dev) == USB_SPEED_LOW)
 				/*
@@ -1428,8 +1427,8 @@
 					break;
 				}
 			}
-			endpoints[epidx].in_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
-			if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+			endpoints[epidx].in_ep = usb_endpoint_num(ep);
+			if (usb_endpoint_xfer_int(ep))
 				endpoints[epidx].in_interval = ep->bInterval;
 			else if (snd_usb_get_speed(umidi->chip->dev) == USB_SPEED_LOW)
 				endpoints[epidx].in_interval = 1;
@@ -1495,20 +1494,20 @@
 
 	for (i = 0; i < intfd->bNumEndpoints; ++i) {
 		epd = get_endpoint(hostif, i);
-		if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK &&
-		    (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+		if (!usb_endpoint_xfer_bulk(epd) &&
+		    !usb_endpoint_xfer_int(epd))
 			continue;
 		if (out_eps < max_endpoints &&
-		    (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
-			endpoint[out_eps].out_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
-			if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+		    usb_endpoint_dir_out(epd)) {
+			endpoint[out_eps].out_ep = usb_endpoint_num(epd);
+			if (usb_endpoint_xfer_int(epd))
 				endpoint[out_eps].out_interval = epd->bInterval;
 			++out_eps;
 		}
 		if (in_eps < max_endpoints &&
-		    (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
-			endpoint[in_eps].in_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
-			if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+		    usb_endpoint_dir_in(epd)) {
+			endpoint[in_eps].in_ep = usb_endpoint_num(epd);
+			if (usb_endpoint_xfer_int(epd))
 				endpoint[in_eps].in_interval = epd->bInterval;
 			++in_eps;
 		}
@@ -1607,21 +1606,19 @@
 	}
 
 	epd = get_endpoint(hostif, 0);
-	if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN ||
-	    (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) {
+	if (!usb_endpoint_dir_in(epd) || !usb_endpoint_xfer_int(epd)) {
 		snd_printdd(KERN_ERR "endpoint[0] isn't interrupt\n");
 		return -ENXIO;
 	}
 	epd = get_endpoint(hostif, 2);
-	if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT ||
-	    (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) {
+	if (!usb_endpoint_dir_out(epd) || !usb_endpoint_xfer_bulk(epd)) {
 		snd_printdd(KERN_ERR "endpoint[2] isn't bulk output\n");
 		return -ENXIO;
 	}
 	if (endpoint->out_cables > 0x0001) {
 		epd = get_endpoint(hostif, 4);
-		if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT ||
-		    (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) {
+		if (!usb_endpoint_dir_out(epd) ||
+		    !usb_endpoint_xfer_bulk(epd)) {
 			snd_printdd(KERN_ERR "endpoint[4] isn't bulk output\n");
 			return -ENXIO;
 		}
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index a492461..00397c8 100644
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -1755,11 +1755,10 @@
 	if (get_iface_desc(hostif)->bNumEndpoints < 1)
 		return 0;
 	ep = get_endpoint(hostif, 0);
-	if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN ||
-	    (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+	if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep))
 		return 0;
 
-	epnum = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+	epnum = usb_endpoint_num(ep);
 	buffer_length = le16_to_cpu(ep->wMaxPacketSize);
 	transfer_buffer = kmalloc(buffer_length, GFP_KERNEL);
 	if (!transfer_buffer)
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c
index c2515b6..73e59f4 100644
--- a/sound/usb/usx2y/us122l.c
+++ b/sound/usb/usx2y/us122l.c
@@ -589,7 +589,7 @@
 	struct us122l *us122l;
 	struct list_head *p;
 
-	card = dev_get_drvdata(&intf->dev);
+	card = usb_get_intfdata(intf);
 	if (!card)
 		return 0;
 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
@@ -615,7 +615,7 @@
 	struct list_head *p;
 	int err;
 
-	card = dev_get_drvdata(&intf->dev);
+	card = usb_get_intfdata(intf);
 	if (!card)
 		return 0;
 
diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c
index e5981a6..ca26c53 100644
--- a/sound/usb/usx2y/usbusx2y.c
+++ b/sound/usb/usx2y/usbusx2y.c
@@ -392,7 +392,7 @@
 	void *chip;
 	chip = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id);
 	if (chip) {
-		dev_set_drvdata(&intf->dev, chip);
+		usb_set_intfdata(intf, chip);
 		return 0;
 	} else
 		return -EIO;
@@ -401,7 +401,7 @@
 static void snd_usX2Y_disconnect(struct usb_interface *intf)
 {
 	usX2Y_usb_disconnect(interface_to_usbdev(intf),
-				 dev_get_drvdata(&intf->dev));
+				 usb_get_intfdata(intf));
 }
 
 MODULE_DEVICE_TABLE(usb, snd_usX2Y_usb_id_table);