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Diffstat (limited to 'block/blkreplay.c')
-rw-r--r--block/blkreplay.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/block/blkreplay.c b/block/blkreplay.c
index 04f53eea41..792d980aa9 100644
--- a/block/blkreplay.c
+++ b/block/blkreplay.c
@@ -130,7 +130,13 @@ static int coroutine_fn GRAPH_RDLOCK blkreplay_co_flush(BlockDriverState *bs)
static int blkreplay_snapshot_goto(BlockDriverState *bs,
const char *snapshot_id)
{
- return bdrv_snapshot_goto(bs->file->bs, snapshot_id, NULL);
+ BlockDriverState *file_bs;
+
+ bdrv_graph_rdlock_main_loop();
+ file_bs = bs->file->bs;
+ bdrv_graph_rdunlock_main_loop();
+
+ return bdrv_snapshot_goto(file_bs, snapshot_id, NULL);
}
static BlockDriver bdrv_blkreplay = {