Improve shutdown for container-based arrays.

1/ close a race where multiple arrays disappear at once
   and monitor isn't woken up to find out that the last one
   has gone.
2/ "mdadm -Ss" needs to pause briefly for mdmon to exit.

1 files changed, 1 insertions, 1 deletions

diff --git a/managemon.c b/managemon.c
index 03de9a8..9b93ce4 100644
--- a/managemon.c
+++ b/managemon.c
@@ -159,6 +159,7 @@ static void remove_old(void)
 		if (pending_discard == discard_this)
 			pending_discard = NULL;
 		discard_this = NULL;
+		wakeup_monitor();
 	}
 }
 
@@ -174,7 +175,6 @@ static void replace_array(struct supertype *container,
 	 */
 	remove_old();
 	while (pending_discard) {
-		wakeup_monitor();
 		while (discard_this == NULL)
 			sleep(1);
 		remove_old();