1 files changed, 6 insertions, 1 deletions

diff --git a/include/linux/raid/md_p.h b/include/linux/raid/md_p.h
index 8c0a3adc5df5..07e05f92d050 100644
--- a/include/linux/raid/md_p.h
+++ b/include/linux/raid/md_p.h
@@ -281,10 +281,15 @@ struct mdp_superblock_1 {
                                             * active device with same 'role'.
                                             * 'recovery_offset' is also set.
                                             */
+#define MD_FEATURE_RESHAPE_BACKWARDS    32 /* Reshape doesn't change number
+                                            * of devices, but is going
+                                            * backwards anyway.
+                                            */
 #define MD_FEATURE_ALL                  (MD_FEATURE_BITMAP_OFFSET       \
                                         |MD_FEATURE_RECOVERY_OFFSET     \
                                         |MD_FEATURE_RESHAPE_ACTIVE      \
                                         |MD_FEATURE_BAD_BLOCKS          \
-                                        |MD_FEATURE_REPLACEMENT)
+                                        |MD_FEATURE_REPLACEMENT         \
+                                        |MD_FEATURE_RESHAPE_BACKWARDS)
 
 #endif