cdrom: remove the unused mode argument to cdrom_ioctl

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Phillip Potter <phil@philpotter.co.uk>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Christian Brauner <brauner@kernel.org>
Link: https://lore.kernel.org/r/20230608110258.189493-4-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

drivers/cdrom/cdrom.c

@@ -3336,7 +3336,7 @@ static int mmc_ioctl(struct cdrom_device_info *cdi, unsigned int cmd,
  * ATAPI / SCSI specific code now mainly resides in mmc_ioctl().
  */
 int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
-		fmode_t mode, unsigned int cmd, unsigned long arg)
+		unsigned int cmd, unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
 	int ret;

drivers/cdrom/gdrom.c

@@ -505,7 +505,7 @@ static int gdrom_bdops_ioctl(struct block_device *bdev, fmode_t mode,
 	int ret;
 
 	mutex_lock(&gdrom_mutex);
-	ret = cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg);
+	ret = cdrom_ioctl(gd.cd_info, bdev, cmd, arg);
 	mutex_unlock(&gdrom_mutex);
 
 	return ret;

drivers/scsi/sr.c

@@ -539,7 +539,7 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
 	scsi_autopm_get_device(sdev);
 
 	if (cmd != CDROMCLOSETRAY && cmd != CDROMEJECT) {
-		ret = cdrom_ioctl(&cd->cdi, bdev, mode, cmd, arg);
+		ret = cdrom_ioctl(&cd->cdi, bdev, cmd, arg);
 		if (ret != -ENOSYS)
 			goto put;
 	}

include/linux/cdrom.h

@@ -103,8 +103,8 @@ int cdrom_read_tocentry(struct cdrom_device_info *cdi,
 /* the general block_device operations structure: */
 int cdrom_open(struct cdrom_device_info *cdi, fmode_t mode);
 extern void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode);
-extern int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
-		       fmode_t mode, unsigned int cmd, unsigned long arg);
+int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
+		unsigned int cmd, unsigned long arg);
 extern unsigned int cdrom_check_events(struct cdrom_device_info *cdi,
 				       unsigned int clearing);