From: Jonathan Brassow Add ratelimit extension to dm logging macros. Signed-off-by: Jonathan Brassow Signed-off-by: Alasdair G Kergon --- drivers/md/dm.h | 40 ++++++++++++++++++++++++++++++++++++---- 1 files changed, 36 insertions(+), 4 deletions(-) Index: linux-2.6.21/drivers/md/dm.h =================================================================== --- linux-2.6.21.orig/drivers/md/dm.h 2007-05-11 15:57:45.000000000 +0100 +++ linux-2.6.21/drivers/md/dm.h 2007-05-11 15:57:46.000000000 +0100 @@ -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) ? \