Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753932Ab3CKCnm (ORCPT ); Sun, 10 Mar 2013 22:43:42 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:7626 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753751Ab3CKCmg (ORCPT ); Sun, 10 Mar 2013 22:42:36 -0400 X-IronPort-AV: E=Sophos;i="4.84,820,1355068800"; d="scan'208";a="6847254" From: Wanlong Gao To: linux-kernel@vger.kernel.org Cc: rusty@rustcorp.com.au, mst@redhat.com, asias@redhat.com, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-scsi@vger.kernel.org, JBottomley@parallels.com, pbonzini@redhat.com, Wanlong Gao Subject: [PATCH V4 2/5] virtio-scsi: pass struct virtio_scsi to virtqueue completion function Date: Mon, 11 Mar 2013 10:43:59 +0800 Message-Id: <1362969842-9145-3-git-send-email-gaowanlong@cn.fujitsu.com> X-Mailer: git-send-email 1.8.2.rc2 In-Reply-To: <1362969842-9145-1-git-send-email-gaowanlong@cn.fujitsu.com> References: <1362969842-9145-1-git-send-email-gaowanlong@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/11 10:41:21, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/11 10:41:22, Serialize complete at 2013/03/11 10:41:22 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3126 Lines: 93 From: Paolo Bonzini This will be needed soon in order to retrieve the per-target struct. Cc: linux-scsi@vger.kernel.org Signed-off-by: Paolo Bonzini Signed-off-by: Wanlong Gao --- drivers/scsi/virtio_scsi.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 75ccde1..fdb0132 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -106,7 +106,7 @@ static void virtscsi_compute_resid(struct scsi_cmnd *sc, u32 resid) * * Called with vq_lock held. */ -static void virtscsi_complete_cmd(void *buf) +static void virtscsi_complete_cmd(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_cmd *cmd = buf; struct scsi_cmnd *sc = cmd->sc; @@ -167,7 +167,8 @@ static void virtscsi_complete_cmd(void *buf) sc->scsi_done(sc); } -static void virtscsi_vq_done(struct virtqueue *vq, void (*fn)(void *buf)) +static void virtscsi_vq_done(struct virtio_scsi *vscsi, struct virtqueue *vq, + void (*fn)(struct virtio_scsi *vscsi, void *buf)) { void *buf; unsigned int len; @@ -175,7 +176,7 @@ static void virtscsi_vq_done(struct virtqueue *vq, void (*fn)(void *buf)) do { virtqueue_disable_cb(vq); while ((buf = virtqueue_get_buf(vq, &len)) != NULL) - fn(buf); + fn(vscsi, buf); } while (!virtqueue_enable_cb(vq)); } @@ -186,11 +187,11 @@ static void virtscsi_req_done(struct virtqueue *vq) unsigned long flags; spin_lock_irqsave(&vscsi->req_vq.vq_lock, flags); - virtscsi_vq_done(vq, virtscsi_complete_cmd); + virtscsi_vq_done(vscsi, vq, virtscsi_complete_cmd); spin_unlock_irqrestore(&vscsi->req_vq.vq_lock, flags); }; -static void virtscsi_complete_free(void *buf) +static void virtscsi_complete_free(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_cmd *cmd = buf; @@ -207,7 +208,7 @@ static void virtscsi_ctrl_done(struct virtqueue *vq) unsigned long flags; spin_lock_irqsave(&vscsi->ctrl_vq.vq_lock, flags); - virtscsi_vq_done(vq, virtscsi_complete_free); + virtscsi_vq_done(vscsi, vq, virtscsi_complete_free); spin_unlock_irqrestore(&vscsi->ctrl_vq.vq_lock, flags); }; @@ -331,7 +332,7 @@ static void virtscsi_handle_event(struct work_struct *work) virtscsi_kick_event(vscsi, event_node); } -static void virtscsi_complete_event(void *buf) +static void virtscsi_complete_event(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_event_node *event_node = buf; @@ -346,7 +347,7 @@ static void virtscsi_event_done(struct virtqueue *vq) unsigned long flags; spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags); - virtscsi_vq_done(vq, virtscsi_complete_event); + virtscsi_vq_done(vscsi, vq, virtscsi_complete_event); spin_unlock_irqrestore(&vscsi->event_vq.vq_lock, flags); }; -- 1.8.2.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/