[PATCH v3 47/51] virtio_scsi: Use scsi_cmd_to_rq() instead of scsi_cmnd.request

[Bart Van Assche <bvanassche@acm.org>]

Prepare for removal of the request pointer by using scsi_cmd_to_rq()
instead. This patch does not change any functionality.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/scsi/virtio_scsi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index b9c86a7e3b97..8ae4b8441519 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -521,7 +521,7 @@ static void virtio_scsi_init_hdr_pi(struct virtio_device *vdev,
 				    struct virtio_scsi_cmd_req_pi *cmd_pi,
 				    struct scsi_cmnd *sc)
 {
-	struct request *rq = sc->request;
+	struct request *rq = scsi_cmd_to_rq(sc);
 	struct blk_integrity *bi;
 
 	virtio_scsi_init_hdr(vdev, (struct virtio_scsi_cmd_req *)cmd_pi, sc);
@@ -545,7 +545,7 @@ static void virtio_scsi_init_hdr_pi(struct virtio_device *vdev,
 static struct virtio_scsi_vq *virtscsi_pick_vq_mq(struct virtio_scsi *vscsi,
 						  struct scsi_cmnd *sc)
 {
-	u32 tag = blk_mq_unique_tag(sc->request);
+	u32 tag = blk_mq_unique_tag(scsi_cmd_to_rq(sc));
 	u16 hwq = blk_mq_unique_tag_to_hwq(tag);
 
 	return &vscsi->req_vqs[hwq];