From: "sochin.jiang" <sochin.ji...@huawei.com>
mirror_complete opens the backing chain, which should have the same
AioContext as the top when using iothreads. Make the code guarantee
this, which fixes a failed assertion in bdrv_attach_child.
Signed-off-by: sochin.jiang <sochin.ji...@huawei.com>
Message-id: 1498475064-39816-1-git-send-email-sochin.ji...@huawei.com
[mreitz: Reworded commit message]
Signed-off-by: Max Reitz <mre...@redhat.com>
---
block.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block.c b/block.c
index edfa6b7..b9e5114 100644
--- a/block.c
+++ b/block.c
@@ -2185,6 +2185,7 @@ int bdrv_open_backing_file(BlockDriverState *bs, QDict
*parent_options,
ret = -EINVAL;
goto free_exit;
}
+ bdrv_set_aio_context(backing_hd, bdrv_get_aio_context(bs));
/* Hook up the backing file link; drop our reference, bs owns the
* backing_hd reference now */
--
2.9.4
