[dm-devel] [PATCH 1/2] device-mapper: use dynamic debug instead of compile-time config option

[Hannes Reinecke]

Switch to use dynamic debug to avoid having recompile the kernel
just to enable debugging messages.

Signed-off-by: Hannes Reinecke <hare at suse.de>
---
 include/linux/device-mapper.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index af48d9da3916..4694e1bb4196 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -557,12 +557,11 @@ void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size);
 #define DMINFO(fmt, ...) pr_info(DM_FMT(fmt), ##__VA_ARGS__)
 #define DMINFO_LIMIT(fmt, ...) pr_info_ratelimited(DM_FMT(fmt), ##__VA_ARGS__)
 
+#define DMDEBUG_LIMIT(fmt, ...) pr_debug_ratelimited(DM_FMT(fmt), ##__VA_ARGS__)
 #ifdef CONFIG_DM_DEBUG
 #define DMDEBUG(fmt, ...) printk(KERN_DEBUG DM_FMT(fmt), ##__VA_ARGS__)
-#define DMDEBUG_LIMIT(fmt, ...) pr_debug_ratelimited(DM_FMT(fmt), ##__VA_ARGS__)
 #else
-#define DMDEBUG(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
-#define DMDEBUG_LIMIT(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
+#define DMDEBUG(fmt, ...) pr_debug(DM_FMT(fmt), ##__VA_ARGS__)
 #endif
 
 #define DMEMIT(x...) sz += ((sz >= maxlen) ? \
-- 
2.16.4