extern int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip,
struct file *fp);
extern int cdrom_release(struct cdrom_device_info *cdi, struct file *fp);
-extern int cdrom_ioctl(struct cdrom_device_info *cdi, struct inode *ip,
- unsigned int cmd, unsigned long arg);
+extern int cdrom_ioctl(struct file *file, struct cdrom_device_info *cdi,
+ struct inode *ip, unsigned int cmd, unsigned long arg);
extern int cdrom_media_changed(struct cdrom_device_info *);
extern int register_cdrom(struct cdrom_device_info *cdi);