1 files changed, 2 insertions, 0 deletions
diff --git a/block/vmdk.c b/block/vmdk.c
index 171c9272ca..3fcb75319f 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -2130,6 +2130,8 @@ static int coroutine_fn
 vmdk_co_pwritev_compressed(BlockDriverState *bs, int64_t offset, int64_t bytes,
                            QEMUIOVector *qiov)
 {
+    assume_graph_lock(); /* FIXME */
+
     if (bytes == 0) {
         /* The caller will write bytes 0 to signal EOF.
          * When receive it, we align EOF to a sector boundary. */