1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h
index 9f2549ac0e2d..c200b9a34aff 100644
--- a/include/linux/raid/md_k.h
+++ b/include/linux/raid/md_k.h
@@ -128,6 +128,7 @@ struct mddev_s
 #define MD_CHANGE_DEVS  0       /* Some device status has changed */
 #define MD_CHANGE_CLEAN 1       /* transition to or from 'clean' */
 #define MD_CHANGE_PENDING 2     /* superblock update in progress */
+#define MD_NOTIFY_ARRAY_STATE 3 /* atomic context wants to notify userspace */
 
         int                             ro;