From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36073) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XWKrM-0005Iz-Br for qemu-devel@nongnu.org; Tue, 23 Sep 2014 03:50:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XWKrG-00084I-8A for qemu-devel@nongnu.org; Tue, 23 Sep 2014 03:50:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:8569) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XWKrG-00083K-1r for qemu-devel@nongnu.org; Tue, 23 Sep 2014 03:49:58 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s8N7nqig018261 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Tue, 23 Sep 2014 03:49:52 -0400 From: Fam Zheng Date: Tue, 23 Sep 2014 15:49:29 +0800 Message-Id: <1411458570-7299-7-git-send-email-famz@redhat.com> In-Reply-To: <1411458570-7299-1-git-send-email-famz@redhat.com> References: <1411458570-7299-1-git-send-email-famz@redhat.com> Subject: [Qemu-devel] [PATCH v3 6/7] 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: kwolf@redhat.com, pbonzini@redhat.com, stefanha@redhat.com Signed-off-by: Fam Zheng --- 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) -- 1.9.3