1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 6dd31a291d84..949c71fbfbb5 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -201,6 +201,14 @@ config BLK_DEV_DM
 
           If unsure, say N.
 
+config DM_DEBUG
+        boolean "Device mapper debugging support"
+        depends on BLK_DEV_DM && EXPERIMENTAL
+        ---help---
+          Enable this for messages that may help debug device-mapper problems.
+
+          If unsure, say N.
+
 config DM_CRYPT
         tristate "Crypt target support"
         depends on BLK_DEV_DM && EXPERIMENTAL