/*
* Inodes and files operations
*/
-extern struct file_operations nilfs_dir_operations;
+extern const struct file_operations nilfs_dir_operations;
extern const struct inode_operations nilfs_file_inode_operations;
-extern struct file_operations nilfs_file_operations;
+extern const struct file_operations nilfs_file_operations;
extern const struct address_space_operations nilfs_aops;
extern const struct inode_operations nilfs_dir_inode_operations;
extern const struct inode_operations nilfs_special_inode_operations;