Merge tag 'md/3.14' of git://neil.brown.name/md

Pull md updates from Neil Brown:
 "All bug fixes, two tagged for -stable"

* tag 'md/3.14' of git://neil.brown.name/md:
  md/raid5: close recently introduced race in stripe_head management.
  md/raid5: fix long-standing problem with bitmap handling on write failure.
  md: check command validity early in md_ioctl().
  md: ensure metadata is writen after raid level change.
  md/raid10: avoid fullsync when not necessary.
  md: allow a partially recovered device to be hot-added to an array.
  md: Change handling of save_raid_disk and metadata update during recovery.

1 files changed, 5 insertions, 1 deletions

diff --git a/include/uapi/linux/raid/md_p.h b/include/uapi/linux/raid/md_p.h
index f7cf7f351144..49f4210d4394 100644
--- a/include/uapi/linux/raid/md_p.h
+++ b/include/uapi/linux/raid/md_p.h
@@ -292,6 +292,9 @@ struct mdp_superblock_1 {
                                             * backwards anyway.
                                             */
 #define MD_FEATURE_NEW_OFFSET           64 /* new_offset must be honoured */
+#define MD_FEATURE_RECOVERY_BITMAP      128 /* recovery that is happening
+                                             * is guided by bitmap.
+                                             */
 #define MD_FEATURE_ALL                  (MD_FEATURE_BITMAP_OFFSET       \
                                         |MD_FEATURE_RECOVERY_OFFSET     \
                                         |MD_FEATURE_RESHAPE_ACTIVE      \
@@ -299,6 +302,7 @@ struct mdp_superblock_1 {
                                         |MD_FEATURE_REPLACEMENT         \
                                         |MD_FEATURE_RESHAPE_BACKWARDS   \
                                         |MD_FEATURE_NEW_OFFSET          \
+                                        |MD_FEATURE_RECOVERY_BITMAP     \
                                         )
 
-#endif 
+#endif