1 files changed, 10 insertions, 4 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index ff9fef389608..32b2ad88a2f9 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2594,15 +2594,20 @@ array_state_store(mddev_t *mddev, const char *buf, size_t len)
                         err = do_md_stop(mddev, 1);
                 else {
                         mddev->ro = 1;
+                        set_disk_ro(mddev->gendisk, 1);
                         err = do_md_run(mddev);
                 }
                 break;
         case read_auto:
-                /* stopping an active array */
                 if (mddev->pers) {
-                        err = do_md_stop(mddev, 1);
-                        if (err == 0)
-                                mddev->ro = 2; /* FIXME mark devices writable */
+                        if (mddev->ro != 1)
+                                err = do_md_stop(mddev, 1);
+                        else
+                                err = restart_array(mddev);
+                        if (err == 0) {
+                                mddev->ro = 2;
+                                set_disk_ro(mddev->gendisk, 0);
+                        }
                 } else {
                         mddev->ro = 2;
                         err = do_md_run(mddev);
@@ -2640,6 +2645,7 @@ array_state_store(mddev_t *mddev, const char *buf, size_t len)
                         err = 0;
                 } else {
                         mddev->ro = 0;
+                        set_disk_ro(mddev->gendisk, 0);
                         err = do_md_run(mddev);
                 }
                 break;