scsi: scsi_ioctl: Remove scsi_cmd_blk_ioctl()

Open code scsi_cmd_blk_ioctl() in its two callers.

Link: https://lore.kernel.org/r/20210724072033.1284840-10-hch@lst.deSigned-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

block/scsi_ioctl.c

@@ -854,19 +854,6 @@ int scsi_verify_blk_ioctl(struct block_device *bd, unsigned int cmd)
 }
 EXPORT_SYMBOL(scsi_verify_blk_ioctl);
 
-int scsi_cmd_blk_ioctl(struct block_device *bd, fmode_t mode,
-		       unsigned int cmd, void __user *arg)
-{
-	int ret;
-
-	ret = scsi_verify_blk_ioctl(bd, cmd);
-	if (ret < 0)
-		return ret;
-
-	return scsi_cmd_ioctl(bd->bd_disk->queue, bd->bd_disk, mode, cmd, arg);
-}
-EXPORT_SYMBOL(scsi_cmd_blk_ioctl);
-
 /**
  * scsi_req_init - initialize certain fields of a scsi_request structure
  * @req: Pointer to a scsi_request structure.

drivers/scsi/sd.c

@@ -1583,7 +1583,10 @@ static int sd_ioctl(struct block_device *bdev, fmode_t mode,
 	case SCSI_IOCTL_GET_BUS_NUMBER:
 		break;
 	default:
-		error = scsi_cmd_blk_ioctl(bdev, mode, cmd, p);
+		error = scsi_verify_blk_ioctl(bdev, cmd);
+		if (error < 0)
+			return error;
+		error = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, p);
 		if (error != -ENOTTY)
 			return error;
 	}

drivers/scsi/sr.c

@@ -556,7 +556,8 @@ static void sr_block_release(struct gendisk *disk, fmode_t mode)
 static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
 			  unsigned long arg)
 {
-	struct scsi_cd *cd = scsi_cd(bdev->bd_disk);
+	struct gendisk *disk = bdev->bd_disk;
+	struct scsi_cd *cd = scsi_cd(disk);
 	struct scsi_device *sdev = cd->device;
 	void __user *argp = (void __user *)arg;
 	int ret;
@@ -579,7 +580,10 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
 	case SCSI_IOCTL_GET_BUS_NUMBER:
 		break;
 	default:
-		ret = scsi_cmd_blk_ioctl(bdev, mode, cmd, argp);
+		ret = scsi_verify_blk_ioctl(bdev, cmd);
+		if (ret < 0)
+			goto put;
+		ret = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, argp);
 		if (ret != -ENOTTY)
 			goto put;
 		ret = cdrom_ioctl(&cd->cdi, bdev, mode, cmd, arg);

include/linux/blkdev.h

@@ -889,8 +889,6 @@ extern blk_status_t blk_insert_cloned_request(struct request_queue *q,
 int blk_rq_append_bio(struct request *rq, struct bio *bio);
 extern void blk_queue_split(struct bio **);
 extern int scsi_verify_blk_ioctl(struct block_device *, unsigned int);
-extern int scsi_cmd_blk_ioctl(struct block_device *, fmode_t,
-			      unsigned int, void __user *);
 extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t,
 			  unsigned int, void __user *);
 extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,