diff options
| author | Bryn Reeves <breeves@redhat.com> | 2006-10-03 01:15:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-03 08:04:15 -0700 |
| commit | cc1092019ce3d9b3e85a285b41e852ff94a6b590 (patch) | |
| tree | c9ca9dca870249b66671335a2152fac7b4ed0cc5 /drivers/md/dm.h | |
| parent | 8560ed6fa8d43537af558514fa48f670b3349f08 (diff) | |
| download | lwn-cc1092019ce3d9b3e85a285b41e852ff94a6b590.tar.gz lwn-cc1092019ce3d9b3e85a285b41e852ff94a6b590.zip | |
[PATCH] dm: add debug macro
Add CONFIG_DM_DEBUG and DMDEBUG() macro.
Signed-off-by: Bryn Reeves <breeves@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md/dm.h')
| -rw-r--r-- | drivers/md/dm.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 3c03c0ecab7e..fe701c4834fe 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -21,6 +21,11 @@ #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) +#ifdef CONFIG_DM_DEBUG +# define DMDEBUG(f, arg...) printk(KERN_DEBUG DM_NAME ": " DM_MSG_PREFIX " DEBUG: " f "\n", ## arg) +#else +# define DMDEBUG(f, arg...) do {} while (0) +#endif #define DMEMIT(x...) sz += ((sz >= maxlen) ? \ 0 : scnprintf(result + sz, maxlen - sz, x)) |