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scsi: use scsi_req_cancel_async when purging requests 

This avoids calls to aio_poll without having acquired the context first.

Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1450290827-30508-1-git-send-email-pbonzini@redhat.com>
master
Paolo Bonzini 2015-12-16 19:33:43 +01:00
parent 4cae9c9796
commit 8aad35f678
1 changed files with 4 additions and 2 deletions
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6
hw/scsi/scsi-bus.c
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@ -1841,11 +1841,13 @@ void scsi_device_purge_requests(SCSIDevice *sdev, SCSISense sense)
{
SCSIRequest *req;
aio_context_acquire(blk_get_aio_context(sdev->conf.blk));
while (!QTAILQ_EMPTY(&sdev->requests)) {
req = QTAILQ_FIRST(&sdev->requests);
scsi_req_cancel(req);
scsi_req_cancel_async(req, NULL);
}
blk_drain(sdev->conf.blk);
aio_context_release(blk_get_aio_context(sdev->conf.blk));
scsi_device_set_ua(sdev, sense);
}