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Diffstat (limited to 'block/mirror.c')
-rw-r--r--block/mirror.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/mirror.c b/block/mirror.c
index 8e3f5243f4..fc34a9c491 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -652,7 +652,7 @@ static void mirror_complete(BlockJob *job, Error **errp)
Error *local_err = NULL;
int ret;
- ret = bdrv_open_backing_file(s->target, NULL, &local_err);
+ ret = bdrv_open_backing_file(s->target, NULL, "backing", &local_err);
if (ret < 0) {
error_propagate(errp, local_err);
return;