diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/virtio_scsi.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index c23560c6a32e..dc2daec9a10d 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -165,28 +165,30 @@ static void virtscsi_complete_cmd(struct virtio_scsi *vscsi, void *buf) sc->scsi_done(sc); } -static void virtscsi_vq_done(struct virtio_scsi *vscsi, struct virtqueue *vq, +static void virtscsi_vq_done(struct virtio_scsi *vscsi, + struct virtio_scsi_vq *virtscsi_vq, void (*fn)(struct virtio_scsi *vscsi, void *buf)) { void *buf; unsigned int len; + unsigned long flags; + struct virtqueue *vq = virtscsi_vq->vq; + spin_lock_irqsave(&virtscsi_vq->vq_lock, flags); do { virtqueue_disable_cb(vq); while ((buf = virtqueue_get_buf(vq, &len)) != NULL) fn(vscsi, buf); } while (!virtqueue_enable_cb(vq)); + spin_unlock_irqrestore(&virtscsi_vq->vq_lock, flags); } static void virtscsi_req_done(struct virtqueue *vq) { struct Scsi_Host *sh = virtio_scsi_host(vq->vdev); struct virtio_scsi *vscsi = shost_priv(sh); - unsigned long flags; - spin_lock_irqsave(&vscsi->req_vq.vq_lock, flags); - virtscsi_vq_done(vscsi, vq, virtscsi_complete_cmd); - spin_unlock_irqrestore(&vscsi->req_vq.vq_lock, flags); + virtscsi_vq_done(vscsi, &vscsi->req_vq, virtscsi_complete_cmd); }; static void virtscsi_complete_free(struct virtio_scsi *vscsi, void *buf) @@ -203,11 +205,8 @@ static void virtscsi_ctrl_done(struct virtqueue *vq) { struct Scsi_Host *sh = virtio_scsi_host(vq->vdev); struct virtio_scsi *vscsi = shost_priv(sh); - unsigned long flags; - spin_lock_irqsave(&vscsi->ctrl_vq.vq_lock, flags); - virtscsi_vq_done(vscsi, vq, virtscsi_complete_free); - spin_unlock_irqrestore(&vscsi->ctrl_vq.vq_lock, flags); + virtscsi_vq_done(vscsi, &vscsi->ctrl_vq, virtscsi_complete_free); }; static int virtscsi_kick_event(struct virtio_scsi *vscsi, @@ -342,11 +341,8 @@ static void virtscsi_event_done(struct virtqueue *vq) { struct Scsi_Host *sh = virtio_scsi_host(vq->vdev); struct virtio_scsi *vscsi = shost_priv(sh); - unsigned long flags; - spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags); - virtscsi_vq_done(vscsi, vq, virtscsi_complete_event); - spin_unlock_irqrestore(&vscsi->event_vq.vq_lock, flags); + virtscsi_vq_done(vscsi, &vscsi->event_vq, virtscsi_complete_event); }; /** |