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-rw-r--r--block/qcow2.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index f2fb54c..90a2dd4 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -516,12 +516,9 @@ int qcow2_mark_dirty(BlockDriverState *bs)
}
val = cpu_to_be64(s->incompatible_features | QCOW2_INCOMPAT_DIRTY);
- ret = bdrv_pwrite(bs->file, offsetof(QCowHeader, incompatible_features),
- sizeof(val), &val, 0);
- if (ret < 0) {
- return ret;
- }
- ret = bdrv_flush(bs->file->bs);
+ ret = bdrv_pwrite_sync(bs->file,
+ offsetof(QCowHeader, incompatible_features),
+ sizeof(val), &val, 0);
if (ret < 0) {
return ret;
}