1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 48afe4f7ad4c..8d11cd1a0d8b 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6237,7 +6237,11 @@ static int md_notify_reboot(struct notifier_block *this,
 
                 for_each_mddev(mddev, tmp)
                         if (mddev_trylock(mddev)) {
-                                do_md_stop (mddev, 1, 0);
+                                /* Force a switch to readonly even array
+                                 * appears to still be in use.  Hence
+                                 * the '100'.
+                                 */
+                                do_md_stop (mddev, 1, 100);
                                 mddev_unlock(mddev);
                         }
                 /*