extern const struct inode_operations gfs2_file_iops;
extern const struct inode_operations gfs2_dir_iops;
extern const struct inode_operations gfs2_symlink_iops;
-extern const struct inode_operations gfs2_dev_iops;
extern const struct file_operations gfs2_file_fops;
extern const struct file_operations gfs2_dir_fops;
extern const struct file_operations gfs2_file_fops_nolock;