Before, we cancel all the child requests with bdrv_aio_cancel, then free the acb..
Now we just kick off asynchronous cancellation of child requests and return, we know quorum_aio_cb will be called later, so in the end quorum_aio_finalize will take care of calling the caller's cb. Signed-off-by: Fam Zheng <f...@redhat.com> --- block/quorum.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/block/quorum.c b/block/quorum.c index 093382e..0951d52 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -138,16 +138,13 @@ static void quorum_aio_cancel(BlockDriverAIOCB *blockacb) /* cancel all callbacks */ for (i = 0; i < s->num_children; i++) { - bdrv_aio_cancel(acb->qcrs[i].aiocb); + bdrv_aio_cancel_async(acb->qcrs[i].aiocb); } - - g_free(acb->qcrs); - qemu_aio_release(acb); } static AIOCBInfo quorum_aiocb_info = { .aiocb_size = sizeof(QuorumAIOCB), - .cancel = quorum_aio_cancel, + .cancel_async = quorum_aio_cancel, }; static void quorum_aio_finalize(QuorumAIOCB *acb) -- 2.1.0.27.g96db324