Commit 5ce6bfe2 authored by sochin.jiang's avatar sochin.jiang Committed by Max Reitz
Browse files

mirror: Fix inconsistent backing AioContext for after mirroring 



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: default avatarsochin.jiang <sochin.jiang@huawei.com>
Message-id: 1498475064-39816-1-git-send-email-sochin.jiang@huawei.com
[mreitz: Reworded commit message]
Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
parent a9ed6a91

block.c

+1 −0
Original line number Diff line number Diff line
@@ -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 */