1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 53283beda21..608050c43f1 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -211,6 +211,9 @@ struct mddev {
 #define MD_CHANGE_PENDING 2	/* switch from 'clean' to 'active' in progress */
 #define MD_UPDATE_SB_FLAGS (1 | 2 | 4)	/* If these are set, md_update_sb needed */
 #define MD_ARRAY_FIRST_USE 3    /* First use of array, needs initialization */
+#define MD_STILL_CLOSED	4	/* If set, then array has not been opened since
+				 * md_ioctl checked on it.
+				 */
 
 	int				suspended;
 	atomic_t			active_io;