[PATCH] FUSE: add padding
Add padding to structures to make sizes the same on 32bit and 64bit archs.
Initial testing and test machine generously provided by Franco Broi.
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index bf564ed..e9b814e 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -25,6 +25,9 @@
/** The minor number of the fuse character device */
#define FUSE_MINOR 229
+/* Make sure all structures are padded to 64bit boundary, so 32bit
+ userspace works under 64bit kernels */
+
struct fuse_attr {
__u64 ino;
__u64 size;
@@ -128,6 +131,7 @@
struct fuse_mkdir_in {
__u32 mode;
+ __u32 padding;
};
struct fuse_rename_in {
@@ -140,32 +144,38 @@
struct fuse_setattr_in {
__u32 valid;
+ __u32 padding;
struct fuse_attr attr;
};
struct fuse_open_in {
__u32 flags;
+ __u32 padding;
};
struct fuse_open_out {
__u64 fh;
__u32 open_flags;
+ __u32 padding;
};
struct fuse_release_in {
__u64 fh;
__u32 flags;
+ __u32 padding;
};
struct fuse_flush_in {
__u64 fh;
__u32 flush_flags;
+ __u32 padding;
};
struct fuse_read_in {
__u64 fh;
__u64 offset;
__u32 size;
+ __u32 padding;
};
struct fuse_write_in {
@@ -177,6 +187,7 @@
struct fuse_write_out {
__u32 size;
+ __u32 padding;
};
struct fuse_statfs_out {
@@ -186,6 +197,7 @@
struct fuse_fsync_in {
__u64 fh;
__u32 fsync_flags;
+ __u32 padding;
};
struct fuse_setxattr_in {
@@ -195,10 +207,12 @@
struct fuse_getxattr_in {
__u32 size;
+ __u32 padding;
};
struct fuse_getxattr_out {
__u32 size;
+ __u32 padding;
};
struct fuse_init_in_out {
@@ -214,6 +228,7 @@
__u32 uid;
__u32 gid;
__u32 pid;
+ __u32 padding;
};
struct fuse_out_header {
