1 files changed, 11 insertions, 0 deletions
diff --git a/block/block-backend.c b/block/block-backend.c
index a5c58c5fd8..19fdaaec1a 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -334,6 +334,17 @@ void blk_hide_on_behalf_of_hmp_drive_del(BlockBackend *blk)
 }
 
 /*
+ * Associates a new BlockDriverState with @blk.
+ */
+void blk_insert_bs(BlockBackend *blk, BlockDriverState *bs)
+{
+    assert(!blk->bs && !bs->blk);
+    bdrv_ref(bs);
+    blk->bs = bs;
+    bs->blk = blk;
+}
+
+/*
  * Attach device model @dev to @blk.
  * Return 0 on success, -EBUSY when a device model is attached already.
  */