[PATCH v3 46/51] ufs: 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/ufs/ufshcd.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index c382260e0cf7..1fecba9eeb77 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -379,6 +379,8 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
 	}
 
 	if (cmd) { /* data phase exists */
+		struct request *rq = scsi_cmd_to_rq(cmd);
+
 		/* trace UPIU also */
 		ufshcd_add_cmd_upiu_trace(hba, tag, str_t);
 		opcode = cmd->cmnd[0];
@@ -387,17 +389,15 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
 			 * Currently we only fully trace read(10) and write(10)
 			 * commands
 			 */
-			if (cmd->request && cmd->request->bio)
-				lba = cmd->request->bio->bi_iter.bi_sector;
+			if (rq->bio)
+				lba = rq->bio->bi_iter.bi_sector;
 			transfer_len = be32_to_cpu(
 				lrbp->ucd_req_ptr->sc.exp_data_transfer_len);
 			if (opcode == WRITE_10)
 				group_id = lrbp->cmd->cmnd[6];
 		} else if (opcode == UNMAP) {
-			if (cmd->request) {
-				lba = scsi_get_lba(cmd);
-				transfer_len = blk_rq_bytes(cmd->request);
-			}
+			lba = scsi_get_lba(cmd);
+			transfer_len = blk_rq_bytes(rq);
 		}
 	}
 
@@ -2058,7 +2058,7 @@ static void ufshcd_update_monitor(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
 	int dir = ufshcd_monitor_opcode2dir(*lrbp->cmd->cmnd);
 
 	if (dir >= 0 && hba->monitor.nr_queued[dir] > 0) {
-		struct request *req = lrbp->cmd->request;
+		struct request *req = scsi_cmd_to_rq(lrbp->cmd);
 		struct ufs_hba_monitor *m = &hba->monitor;
 		ktime_t now, inc, lat;
 
@@ -2677,11 +2677,11 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 
 	hba = shost_priv(host);
 
-	tag = cmd->request->tag;
+	tag = scsi_cmd_to_rq(cmd)->tag;
 	if (!ufshcd_valid_tag(hba, tag)) {
 		dev_err(hba->dev,
-			"%s: invalid command tag %d: cmd=0x%p, cmd->request=0x%p",
-			__func__, tag, cmd, cmd->request);
+			"%s: invalid command tag %d: cmd=0x%p, scsi_cmd_to_rq=0x%p",
+			__func__, tag, cmd, scsi_cmd_to_rq(cmd));
 		BUG();
 	}
 
@@ -2716,7 +2716,7 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 	lrbp->lun = ufshcd_scsi_to_upiu_lun(cmd->device->lun);
 	lrbp->intr_cmd = !ufshcd_is_intr_aggr_allowed(hba) ? true : false;
 
-	ufshcd_prepare_lrbp_crypto(cmd->request, lrbp);
+	ufshcd_prepare_lrbp_crypto(scsi_cmd_to_rq(cmd), lrbp);
 
 	lrbp->req_abort_skip = false;
 
@@ -6965,12 +6965,12 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
 
 	host = cmd->device->host;
 	hba = shost_priv(host);
-	tag = cmd->request->tag;
+	tag = scsi_cmd_to_rq(cmd)->tag;
 	lrbp = &hba->lrb[tag];
 	if (!ufshcd_valid_tag(hba, tag)) {
 		dev_err(hba->dev,
-			"%s: invalid command tag %d: cmd=0x%p, cmd->request=0x%p",
-			__func__, tag, cmd, cmd->request);
+			"%s: invalid command tag %d: cmd=0x%p, scsi_cmd_to_rq=0x%p",
+			__func__, tag, cmd, scsi_cmd_to_rq(cmd));
 		BUG();
 	}