summary refs log tree commit diff stats
path: root/tests/unit/test-bdrv-drain.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/unit/test-bdrv-drain.c')
-rw-r--r--tests/unit/test-bdrv-drain.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/unit/test-bdrv-drain.c b/tests/unit/test-bdrv-drain.c
index 892f7f47d8..ce071b5fc5 100644
--- a/tests/unit/test-bdrv-drain.c
+++ b/tests/unit/test-bdrv-drain.c
@@ -95,6 +95,7 @@ static int bdrv_test_change_backing_file(BlockDriverState *bs,
 static BlockDriver bdrv_test = {
     .format_name            = "test",
     .instance_size          = sizeof(BDRVTestState),
+    .supports_backing       = true,
 
     .bdrv_close             = bdrv_test_close,
     .bdrv_co_preadv         = bdrv_test_co_preadv,