1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/raid/md_p.h b/include/linux/raid/md_p.h
index 4f047f84fb1f..c100fa5d4bfa 100644
--- a/include/linux/raid/md_p.h
+++ b/include/linux/raid/md_p.h
@@ -238,5 +238,10 @@ struct mdp_superblock_1 {
         __u16   dev_roles[0];   /* role in array, or 0xffff for a spare, or 0xfffe for faulty */
 };
 
+/* feature_map bits */
+#define MD_FEATURE_BITMAP_OFFSET        1
+
+#define MD_FEATURE_ALL                  1
+
 #endif