[DLM] add config entry to enable log_debug
Add a new dlm_config_info field to enable log_debug output and change
log_debug() to use it.
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/dlm/config.c b/fs/dlm/config.c
index 958021f..7cf2020 100644
--- a/fs/dlm/config.c
+++ b/fs/dlm/config.c
@@ -775,6 +775,7 @@
#define DEFAULT_RECOVER_TIMER 5
#define DEFAULT_TOSS_SECS 10
#define DEFAULT_SCAN_SECS 5
+#define DEFAULT_LOG_DEBUG 0
struct dlm_config_info dlm_config = {
.ci_tcp_port = DEFAULT_TCP_PORT,
@@ -784,6 +785,7 @@
.ci_dirtbl_size = DEFAULT_DIRTBL_SIZE,
.ci_recover_timer = DEFAULT_RECOVER_TIMER,
.ci_toss_secs = DEFAULT_TOSS_SECS,
- .ci_scan_secs = DEFAULT_SCAN_SECS
+ .ci_scan_secs = DEFAULT_SCAN_SECS,
+ .ci_log_debug = DEFAULT_LOG_DEBUG
};
diff --git a/fs/dlm/config.h b/fs/dlm/config.h
index ce603e1..1e97861 100644
--- a/fs/dlm/config.h
+++ b/fs/dlm/config.h
@@ -25,6 +25,7 @@
int ci_recover_timer;
int ci_toss_secs;
int ci_scan_secs;
+ int ci_log_debug;
};
extern struct dlm_config_info dlm_config;
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index 7185a13..ee993c5c 100644
--- a/fs/dlm/dlm_internal.h
+++ b/fs/dlm/dlm_internal.h
@@ -41,6 +41,7 @@
#include <asm/uaccess.h>
#include <linux/dlm.h>
+#include "config.h"
#define DLM_LOCKSPACE_LEN 64
@@ -69,12 +70,12 @@
#define log_error(ls, fmt, args...) \
printk(KERN_ERR "dlm: %s: " fmt "\n", (ls)->ls_name , ##args)
-#define DLM_LOG_DEBUG
-#ifdef DLM_LOG_DEBUG
-#define log_debug(ls, fmt, args...) log_error(ls, fmt, ##args)
-#else
-#define log_debug(ls, fmt, args...)
-#endif
+#define log_debug(ls, fmt, args...) \
+do { \
+ if (dlm_config.ci_log_debug) \
+ printk(KERN_DEBUG "dlm: %s: " fmt "\n", \
+ (ls)->ls_name , ##args); \
+} while (0)
#define DLM_ASSERT(x, do) \
{ \
