1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index 34a75939a0ca..d12379b5cdb5 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.