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quorum: Convert quorum_aiocb_info.cancel to .cancel_async 

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 <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Fam Zheng 2014-09-11 13:41:22 +08:00 committed by Stefan Hajnoczi
parent 997dd8df3e
commit 7940e5056b
1 changed files with 2 additions and 5 deletions
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7
block/quorum.c
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@ -139,17 +139,14 @@ static void quorum_aio_cancel(BlockDriverAIOCB *blockacb)
/* cancel all callbacks */
for (i = 0; i < s->num_children; i++) {
if (acb->qcrs[i].aiocb) {
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)