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[Qemu-devel] [PULL 29/39] virtio-scsi: Call bdrv_io_plug/bdrv_io_unplug
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 29/39] virtio-scsi: Call bdrv_io_plug/bdrv_io_unplug in cmd request handling |
Date: |
Tue, 30 Sep 2014 14:25:09 +0200 |
From: Fam Zheng <address@hidden>
Signed-off-by: Fam Zheng <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/scsi/virtio-scsi.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 395178e..09a39cb 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)
--
1.8.3.1
- [Qemu-devel] [PULL 19/39] virtio-9p: use aliases instead of duplicate qdev properties, (continued)
- [Qemu-devel] [PULL 19/39] virtio-9p: use aliases instead of duplicate qdev properties, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 20/39] virtio-9p: fix virtio-9p child refcount in transports, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 21/39] virtio: add a wrapper for virtio-backend initialization, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 23/39] virtio-scsi: Add VirtIOSCSIVring in VirtIOSCSIReq, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 22/39] virtio-scsi: Add 'iothread' property to virtio-scsi, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 24/39] virtio-scsi-dataplane: Code to run virtio-scsi on iothread, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 25/39] virtio-scsi: Hook up with dataplane, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 26/39] virtio-scsi: Add migration state notifier for dataplane code, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 27/39] virtio-scsi: Two stages processing of cmd request, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 28/39] virtio-scsi: Batched prepare for cmd reqs, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 29/39] virtio-scsi: Call bdrv_io_plug/bdrv_io_unplug in cmd request handling,
Paolo Bonzini <=
- [Qemu-devel] [PULL 30/39] virtio-scsi: Process ".iothread" property, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 31/39] scsi: Drop scsi_req_abort, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 33/39] scsi: Unify request unref in scsi_req_cancel, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 32/39] scsi-generic: Handle canceled request in scsi_command_complete, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 34/39] scsi: Drop SCSIReqOps.cancel_io, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 35/39] scsi: Introduce scsi_req_cancel_complete, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 38/39] util: introduce bitmap_try_new, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 39/39] block/iscsi: handle failure on malloc of the allocationmap, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 36/39] scsi: Introduce scsi_req_cancel_async, Paolo Bonzini, 2014/09/30
- [Qemu-devel] [PULL 37/39] virtio-scsi: Handle TMF request cancellation asynchronously, Paolo Bonzini, 2014/09/30