diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index c5aa08474a35d6b00dc2146f1792961e41ce8e04..ce9f4ca55ce20f391951022d9402c3efa1ff60f6 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1229,6 +1229,9 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
 	}
 
 	mutex_unlock(&mdev->tconn->conf_update);
+
+	drbd_bump_write_ordering(mdev->tconn, WO_bdev_flush);
+
 	drbd_md_sync(mdev);
 
 	if (mdev->state.conn >= C_CONNECTED)
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 786a75510798426ccd142d1c27d2ffbff8035c15..e8cd4c4acc65df5b1d4501d8a643d73aa6b52f55 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1229,7 +1229,7 @@ void drbd_bump_write_ordering(struct drbd_tconn *tconn, enum write_ordering_e wo
 	wo = min(pwo, wo);
 	rcu_read_lock();
 	idr_for_each_entry(&tconn->volumes, mdev, vnr) {
-		if (!get_ldev(mdev))
+		if (!get_ldev_if_state(mdev, D_ATTACHING))
 			continue;
 		dc = rcu_dereference(mdev->ldev->disk_conf);