scsi: sr: Convert to scsi_execute_cmd()

scsi_execute*() is going to be removed. Convert sr 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/sr.c

@@ -170,10 +170,13 @@ static unsigned int sr_get_events(struct scsi_device *sdev)
 	struct event_header *eh = (void *)buf;
 	struct media_event_desc *med = (void *)(buf + 4);
 	struct scsi_sense_hdr sshdr;
+	const struct scsi_exec_args exec_args = {
+		.sshdr = &sshdr,
+	};
 	int result;
 
-	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, sizeof(buf),
-				  &sshdr, SR_TIMEOUT, MAX_RETRIES, NULL);
+	result = scsi_execute_cmd(sdev, cmd, REQ_OP_DRV_IN, buf, sizeof(buf),
+				  SR_TIMEOUT, MAX_RETRIES, &exec_args);
 	if (scsi_sense_valid(&sshdr) && sshdr.sense_key == UNIT_ATTENTION)
 		return DISK_EVENT_MEDIA_CHANGE;
 
@@ -730,8 +733,8 @@ static void get_sectorsize(struct scsi_cd *cd)
 		memset(buffer, 0, sizeof(buffer));
 
 		/* Do the command and wait.. */
-		the_result = scsi_execute_req(cd->device, cmd, DMA_FROM_DEVICE,
-					      buffer, sizeof(buffer), NULL,
+		the_result = scsi_execute_cmd(cd->device, cmd, REQ_OP_DRV_IN,
+					      buffer, sizeof(buffer),
 					      SR_TIMEOUT, MAX_RETRIES, NULL);
 
 		retries--;

drivers/scsi/sr_ioctl.c

@@ -188,13 +188,15 @@ static int sr_play_trkind(struct cdrom_device_info *cdi,
 int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
 {
 	struct scsi_device *SDev;
-	struct scsi_sense_hdr local_sshdr, *sshdr = &local_sshdr;
+	struct scsi_sense_hdr local_sshdr, *sshdr;
 	int result, err = 0, retries = 0;
+	const struct scsi_exec_args exec_args = {
+		.sshdr = cgc->sshdr ? : &local_sshdr,
+	};
 
 	SDev = cd->device;
 
-	if (cgc->sshdr)
-		sshdr = cgc->sshdr;
+	sshdr = exec_args.sshdr;
 
       retry:
 	if (!scsi_block_when_processing_errors(SDev)) {
@@ -202,10 +204,11 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
 		goto out;
 	}
 
-	result = scsi_execute(SDev, cgc->cmd, cgc->data_direction,
-			      cgc->buffer, cgc->buflen, NULL, sshdr,
-			      cgc->timeout, IOCTL_RETRIES, 0, 0, NULL);
-
+	result = scsi_execute_cmd(SDev, cgc->cmd,
+				  cgc->data_direction == DMA_TO_DEVICE ?
+				  REQ_OP_DRV_OUT : REQ_OP_DRV_IN, cgc->buffer,
+				  cgc->buflen, cgc->timeout, IOCTL_RETRIES,
+				  &exec_args);
 	/* Minimal error checking.  Ignore cases we know about, and report the rest. */
 	if (result < 0) {
 		err = result;