diff options
| author | Fam Zheng | 2014-09-23 09:49:29 +0200 |
|---|---|---|
| committer | Paolo Bonzini | 2014-09-30 11:11:20 +0200 |
| commit | 5170f40b102bcabed54e8fa8ec86957e35c41d41 (patch) | |
| tree | fafe8cc72d6e779b7aafdf5df46c2ff6c388a623 | |
| parent | virtio-scsi: Batched prepare for cmd reqs (diff) | |
| download | qemu-5170f40b102bcabed54e8fa8ec86957e35c41d41.tar.gz qemu-5170f40b102bcabed54e8fa8ec86957e35c41d41.tar.xz qemu-5170f40b102bcabed54e8fa8ec86957e35c41d41.zip | |
virtio-scsi: Call bdrv_io_plug/bdrv_io_unplug in cmd request handling
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | hw/scsi/virtio-scsi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c index 395178e949..09a39cb991 100644 --- a/hw/scsi/virtio-scsi.c +++ b/hw/scsi/virtio-scsi.c @@ -488,6 +488,8 @@ bool virtio_scsi_handle_cmd_req_prepare(VirtIOSCSI *s, VirtIOSCSIReq *req) virtio_scsi_complete_cmd_req(req); return false; } + scsi_req_ref(req->sreq); + bdrv_io_plug(d->conf.bs); return true; } @@ -496,6 +498,8 @@ void virtio_scsi_handle_cmd_req_submit(VirtIOSCSI *s, VirtIOSCSIReq *req) if (scsi_req_enqueue(req->sreq)) { scsi_req_continue(req->sreq); } + bdrv_io_unplug(req->sreq->dev->conf.bs); + scsi_req_unref(req->sreq); } static void virtio_scsi_handle_cmd(VirtIODevice *vdev, VirtQueue *vq) |