scsi: ses: Convert to scsi_execute_cmd()

scsi_execute_req() is going to be removed. Convert ses to
scsi_execute_cmd().
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ses.c

@@ -89,10 +89,13 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code,
 	unsigned char recv_page_code;
 	unsigned int retries = SES_RETRIES;
 	struct scsi_sense_hdr sshdr;
+	const struct scsi_exec_args exec_args = {
+		.sshdr = &sshdr,
+	};
 
 	do {
-		ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
-				       &sshdr, SES_TIMEOUT, 1, NULL);
+		ret = scsi_execute_cmd(sdev, cmd, REQ_OP_DRV_IN, buf, bufflen,
+				       SES_TIMEOUT, 1, &exec_args);
 	} while (ret > 0 && --retries && scsi_sense_valid(&sshdr) &&
 		 (sshdr.sense_key == NOT_READY ||
 		  (sshdr.sense_key == UNIT_ATTENTION && sshdr.asc == 0x29)));
@@ -130,10 +133,13 @@ static int ses_send_diag(struct scsi_device *sdev, int page_code,
 	};
 	struct scsi_sense_hdr sshdr;
 	unsigned int retries = SES_RETRIES;
+	const struct scsi_exec_args exec_args = {
+		.sshdr = &sshdr,
+	};
 
 	do {
-		result = scsi_execute_req(sdev, cmd, DMA_TO_DEVICE, buf, bufflen,
-					  &sshdr, SES_TIMEOUT, 1, NULL);
+		result = scsi_execute_cmd(sdev, cmd, REQ_OP_DRV_OUT, buf,
+					  bufflen, SES_TIMEOUT, 1, &exec_args);
 	} while (result > 0 && --retries && scsi_sense_valid(&sshdr) &&
 		 (sshdr.sense_key == NOT_READY ||
 		  (sshdr.sense_key == UNIT_ATTENTION && sshdr.asc == 0x29)));