From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35165) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XYwVo-0008Hr-7Q for qemu-devel@nongnu.org; Tue, 30 Sep 2014 08:26:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XYwVe-0003Cx-Mf for qemu-devel@nongnu.org; Tue, 30 Sep 2014 08:26:36 -0400 Received: from mail-wg0-x22d.google.com ([2a00:1450:400c:c00::22d]:50418) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XYwVe-0003Ah-Eb for qemu-devel@nongnu.org; Tue, 30 Sep 2014 08:26:26 -0400 Received: by mail-wg0-f45.google.com with SMTP id m15so2225736wgh.4 for ; Tue, 30 Sep 2014 05:26:20 -0700 (PDT) Sender: Paolo Bonzini From: Paolo Bonzini Date: Tue, 30 Sep 2014 14:25:09 +0200 Message-Id: <1412079919-18857-30-git-send-email-pbonzini@redhat.com> In-Reply-To: <1412079919-18857-1-git-send-email-pbonzini@redhat.com> References: <1412079919-18857-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PULL 29/39] virtio-scsi: Call bdrv_io_plug/bdrv_io_unplug in cmd request handling List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Fam Zheng From: Fam Zheng Signed-off-by: Fam Zheng Signed-off-by: Paolo Bonzini --- 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