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: 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>
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block.c
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block.c
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@ -2185,6 +2185,7 @@ int bdrv_open_backing_file(BlockDriverState *bs, QDict *parent_options,
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ret = -EINVAL;
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ret = -EINVAL;
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goto free_exit;
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goto free_exit;
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}
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}
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bdrv_set_aio_context(backing_hd, bdrv_get_aio_context(bs));
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/* Hook up the backing file link; drop our reference, bs owns the
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/* Hook up the backing file link; drop our reference, bs owns the
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* backing_hd reference now */
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* backing_hd reference now */
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