1 files changed, 1 insertions, 0 deletions
diff --git a/mdadm.h b/mdadm.h
index 7b75540..9cf15c4 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -149,6 +149,7 @@ struct mdinfo {
 	union {
 		unsigned long long resync_start; /* per-array resync position */
 		unsigned long long recovery_start; /* per-device rebuild position */
+		#define MaxSector  (~0ULL) /* resync/recovery complete position */
 	};
 	unsigned long		safe_mode_delay; /* ms delay to mark clean */
 	int			new_level, delta_disks, new_layout, new_chunk;