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Fam Zheng authored
The .cancel_async shares the same the first half with .cancel: try to steal the request if not submitted yet. In this case set the elem to THREAD_DONE status and ret to -ECANCELED, which means thread_pool_completion_bh will call the cb with -ECANCELED. If the request is already submitted, do nothing, as we know the normal completion will happen in the future. Testing code update: Before, done_cb is only called if the request is already submitted by thread pool. Now done_cb is always called, even before it is submitted, because we emulate bdrv_aio_cancel with bdrv_aio_cancel_async. So also update the test criteria accordingly. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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