dm cache: add missing cache device name to DMERR in set_cache_mode()

Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 59b2c50562e4bc8e2a1ecc3ddf7f1ffaa0bce650..e04c61e0839e64192f7f6efdcef969dd449ca2d0 100644 (file)
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -989,7 +989,8 @@ static void set_cache_mode(struct cache *cache, enum cache_metadata_mode new_mod
        enum cache_metadata_mode old_mode = get_cache_mode(cache);
 
        if (dm_cache_metadata_needs_check(cache->cmd, &needs_check)) {
-               DMERR("unable to read needs_check flag, setting failure mode");
+               DMERR("%s: unable to read needs_check flag, setting failure mode.",
+                     cache_device_name(cache));
                new_mode = CM_FAIL;
        }