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win32-aio: Drop win32_aiocb_info.cancel

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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 13:41:25 +08:00 committed by Stefan Hajnoczi
parent 6d24b4df38
commit 5da91e4ef4
1 changed files with 0 additions and 14 deletions
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14
block/win32-aio.c
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@ -106,22 +106,8 @@ static void win32_aio_completion_cb(EventNotifier *e)
} }
} }
static void win32_aio_cancel(BlockDriverAIOCB *blockacb)
{
QEMUWin32AIOCB *waiocb = (QEMUWin32AIOCB *)blockacb;
/*
* CancelIoEx is only supported in Vista and newer. For now, just
* wait for completion.
*/
while (!HasOverlappedIoCompleted(&waiocb->ov)) {
aio_poll(bdrv_get_aio_context(blockacb->bs), true);
}
}
static const AIOCBInfo win32_aiocb_info = { static const AIOCBInfo win32_aiocb_info = {
.aiocb_size = sizeof(QEMUWin32AIOCB), .aiocb_size = sizeof(QEMUWin32AIOCB),
.cancel = win32_aio_cancel,
}; };
BlockDriverAIOCB *win32_aio_submit(BlockDriverState *bs, BlockDriverAIOCB *win32_aio_submit(BlockDriverState *bs,