1 files changed, 1 insertions, 3 deletions
diff --git a/block/snapshot.c b/block/snapshot.c
index 28c9c43..bd9d759 100644
--- a/block/snapshot.c
+++ b/block/snapshot.c
@@ -291,11 +291,9 @@ int bdrv_snapshot_goto(BlockDriverState *bs,
         }
 
         /* .bdrv_open() will re-attach it */
-        bdrv_drain_all_begin();
-        bdrv_graph_wrlock();
+        bdrv_graph_wrlock_drained();
         bdrv_unref_child(bs, fallback);
         bdrv_graph_wrunlock();
-        bdrv_drain_all_end();
 
         ret = bdrv_snapshot_goto(fallback_bs, snapshot_id, errp);
         memset(bs->opaque, 0, drv->instance_size);