[PATCH] dm: improve error message consistency
Tidy device-mapper error messages to include context information
automatically.
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>
diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index 34a7593..d12379b 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -16,6 +16,8 @@
#include <linux/vmalloc.h>
#include <linux/slab.h>
+#define DM_MSG_PREFIX "snapshots"
+
/*-----------------------------------------------------------------
* Persistent snapshots, by persistent we mean that the snapshot
* will survive a reboot.