static int mcdx_block_release(struct inode *inode, struct file *file)
{
struct s_drive_stuff *p = inode->i_bdev->bd_disk->private_data;
return cdrom_release(&p->info, file);
}
static int mcd_block_release(struct inode *inode, struct file *file)
{
return cdrom_release(&mcd_info, file);
}