scsi: libsas: Use scsi_cmd_to_rq() instead of scsi_cmnd.request

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

Link: https://lore.kernel.org/r/20210809230355.8186-27-bvanassche@acm.org
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/libsas/sas_ata.c

@@ -596,7 +596,7 @@ void sas_ata_task_abort(struct sas_task *task)
 
 	/* Bounce SCSI-initiated commands to the SCSI EH */
 	if (qc->scsicmd) {
-		blk_abort_request(qc->scsicmd->request);
+		blk_abort_request(scsi_cmd_to_rq(qc->scsicmd));
 		return;
 	}
 

drivers/scsi/libsas/sas_scsi_host.c

@@ -908,7 +908,7 @@ void sas_task_abort(struct sas_task *task)
 	if (dev_is_sata(task->dev))
 		sas_ata_task_abort(task);
 	else
-		blk_abort_request(sc->request);
+		blk_abort_request(scsi_cmd_to_rq(sc));
 }
 
 int sas_slave_alloc(struct scsi_device *sdev)