Commit d0d444c7 authored by Jonathan Brassow's avatar Jonathan Brassow Committed by Linus Torvalds
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dm: add ratelimit logging macros 



Add ratelimit extension to dm logging macros.

Signed-off-by: default avatarJonathan Brassow <jbrassow@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 07a83c47

drivers/md/dm.h

+36 −4
Original line number Diff line number Diff line
@@ -18,13 +18,45 @@ 


#define DM_NAME "device-mapper"



#define DMERR(f, arg...) printk(KERN_ERR DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)

#define DMWARN(f, arg...) printk(KERN_WARNING DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)

#define DMINFO(f, arg...) printk(KERN_INFO DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)

#define DMERR(f, arg...) \

	printk(KERN_ERR DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)

#define DMERR_LIMIT(f, arg...) \

	do { \

		if (printk_ratelimit())	\

			printk(KERN_ERR DM_NAME ": " DM_MSG_PREFIX ": " \

			       f "\n", ## arg); \

	} while (0)



#define DMWARN(f, arg...) \

	printk(KERN_WARNING DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)

#define DMWARN_LIMIT(f, arg...) \

	do { \

		if (printk_ratelimit())	\

			printk(KERN_WARNING DM_NAME ": " DM_MSG_PREFIX ": " \

			       f "\n", ## arg); \

	} while (0)



#define DMINFO(f, arg...) \

	printk(KERN_INFO DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)

#define DMINFO_LIMIT(f, arg...) \

	do { \

		if (printk_ratelimit())	\

			printk(KERN_INFO DM_NAME ": " DM_MSG_PREFIX ": " f \

			       "\n", ## arg); \

	} while (0)



#ifdef CONFIG_DM_DEBUG

#  define DMDEBUG(f, arg...) printk(KERN_DEBUG DM_NAME ": " DM_MSG_PREFIX " DEBUG: " f "\n", ## arg)

#  define DMDEBUG(f, arg...) \

	printk(KERN_DEBUG DM_NAME ": " DM_MSG_PREFIX " DEBUG: " f "\n", ## arg)

#  define DMDEBUG_LIMIT(f, arg...) \

	do { \

		if (printk_ratelimit())	\

			printk(KERN_DEBUG DM_NAME ": " DM_MSG_PREFIX ": " f \

			       "\n", ## arg); \

	} while (0)

#else

#  define DMDEBUG(f, arg...) do {} while (0)

#  define DMDEBUG_LIMIT(f, arg...) do {} while (0)

#endif



#define DMEMIT(x...) sz += ((sz >= maxlen) ? \