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[PULL,062/100] mirror: Fix inconsistent backing AioContext for after mirroring

Message ID 1499447335-6125-63-git-send-email-kwolf@redhat.com
State New
Headers show

Commit Message

Kevin Wolf July 7, 2017, 5:08 p.m. UTC 
From: "sochin.jiang" <sochin.jiang@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.jiang@huawei.com>
Message-id: 1498475064-39816-1-git-send-email-sochin.jiang@huawei.com
[mreitz: Reworded commit message]
Signed-off-by: Max Reitz <mreitz@redhat.com>
---
 block.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox

Patch

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 */