[PATCH V4 08/12] vhost-scsi: convert to vq helpers

[Mike Christie <michael.christie@xxxxxxxxxx>]

Convert from vhost dev based helpers to vq ones.

Signed-off-by: Mike Christie <michael.christie@xxxxxxxxxx>
---
 drivers/vhost/scsi.c | 27 +++++++++++++--------------
 1 file changed, 13 insertions(+), 14 deletions(-)

diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 0d85ddb68420..08beba73ada4 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -361,8 +361,9 @@ static void vhost_scsi_release_cmd(struct se_cmd *se_cmd)
 	if (se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB) {
 		struct vhost_scsi_tmf *tmf = container_of(se_cmd,
 					struct vhost_scsi_tmf, se_cmd);
+		struct vhost_virtqueue *vq = &tmf->svq->vq;
 
-		vhost_work_queue(&tmf->vhost->dev, &tmf->vwork);
+		vhost_vq_work_queue(vq, &tmf->vwork);
 	} else {
 		struct vhost_scsi_cmd *cmd = container_of(se_cmd,
 					struct vhost_scsi_cmd, tvc_se_cmd);
@@ -1360,11 +1361,9 @@ static void vhost_scsi_ctl_handle_kick(struct vhost_work *work)
 }
 
 static void
-vhost_scsi_send_evt(struct vhost_scsi *vs,
-		   struct vhost_scsi_tpg *tpg,
-		   struct se_lun *lun,
-		   u32 event,
-		   u32 reason)
+vhost_scsi_send_evt(struct vhost_scsi *vs, struct vhost_virtqueue *vq,
+		    struct vhost_scsi_tpg *tpg, struct se_lun *lun,
+		    u32 event, u32 reason)
 {
 	struct vhost_scsi_evt *evt;
 
@@ -1386,7 +1385,7 @@ vhost_scsi_send_evt(struct vhost_scsi *vs,
 	}
 
 	llist_add(&evt->list, &vs->vs_event_list);
-	vhost_work_queue(&vs->dev, &vs->vs_event_work);
+	vhost_vq_work_queue(vq, &vs->vs_event_work);
 }
 
 static void vhost_scsi_evt_handle_kick(struct vhost_work *work)
@@ -1400,7 +1399,8 @@ static void vhost_scsi_evt_handle_kick(struct vhost_work *work)
 		goto out;
 
 	if (vs->vs_events_missed)
-		vhost_scsi_send_evt(vs, NULL, NULL, VIRTIO_SCSI_T_NO_EVENT, 0);
+		vhost_scsi_send_evt(vs, vq, NULL, NULL, VIRTIO_SCSI_T_NO_EVENT,
+				    0);
 out:
 	mutex_unlock(&vq->mutex);
 }
@@ -1428,11 +1428,10 @@ static void vhost_scsi_flush(struct vhost_scsi *vs)
 	 * indicate the start of the flush operation so that it will reach 0
 	 * when all the reqs are finished.
 	 */
-	for (i = 0; i < VHOST_SCSI_MAX_VQ; i++)
+	for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) {
 		kref_put(&old_inflight[i]->kref, vhost_scsi_done_inflight);
-
-	/* Flush both the vhost poll and vhost work */
-	vhost_work_dev_flush(&vs->dev);
+		vhost_vq_work_flush(&vs->vqs[i].vq);
+	}
 
 	/* Wait for all reqs issued before the flush to be finished */
 	for (i = 0; i < VHOST_SCSI_MAX_VQ; i++)
@@ -1967,8 +1966,8 @@ vhost_scsi_do_plug(struct vhost_scsi_tpg *tpg,
 	vq = &vs->vqs[VHOST_SCSI_VQ_EVT].vq;
 	mutex_lock(&vq->mutex);
 	if (vhost_has_feature(vq, VIRTIO_SCSI_F_HOTPLUG))
-		vhost_scsi_send_evt(vs, tpg, lun,
-				   VIRTIO_SCSI_T_TRANSPORT_RESET, reason);
+		vhost_scsi_send_evt(vs, vq, tpg, lun,
+				    VIRTIO_SCSI_T_TRANSPORT_RESET, reason);
 	mutex_unlock(&vq->mutex);
 	mutex_unlock(&vs->dev.mutex);
 }
-- 
2.25.1