linux/fs/hfs/dir.c

/*
 *  linux/fs/hfs/dir.c
 *
 * Copyright (C) 1995-1997  Paul H. Hargrove
 * (C) 2003 Ardis Technologies <[email protected]>
 * This file may be distributed under the terms of the GNU General Public License.
 *
 * This file contains directory-related functions independent of which
 * scheme is being used to represent forks.
 *
 * Based on the minix file system code, (C) 1991, 1992 by Linus Torvalds
 */

#include "hfs_fs.h"
#include "btree.h"

/*
 * hfs_lookup()
 */
static struct dentry *hfs_lookup(struct inode *dir, struct dentry *dentry,
				 unsigned int flags)
{ … }

/*
 * hfs_readdir
 */
static int hfs_readdir(struct file *file, struct dir_context *ctx)
{ … }

static int hfs_dir_release(struct inode *inode, struct file *file)
{ … }

/*
 * hfs_create()
 *
 * This is the create() entry in the inode_operations structure for
 * regular HFS directories.  The purpose is to create a new file in
 * a directory and return a corresponding inode, given the inode for
 * the directory and the name (and its length) of the new file.
 */
static int hfs_create(struct mnt_idmap *idmap, struct inode *dir,
		      struct dentry *dentry, umode_t mode, bool excl)
{ … }

/*
 * hfs_mkdir()
 *
 * This is the mkdir() entry in the inode_operations structure for
 * regular HFS directories.  The purpose is to create a new directory
 * in a directory, given the inode for the parent directory and the
 * name (and its length) of the new directory.
 */
static int hfs_mkdir(struct mnt_idmap *idmap, struct inode *dir,
		     struct dentry *dentry, umode_t mode)
{ … }

/*
 * hfs_remove()
 *
 * This serves as both unlink() and rmdir() in the inode_operations
 * structure for regular HFS directories.  The purpose is to delete
 * an existing child, given the inode for the parent directory and
 * the name (and its length) of the existing directory.
 *
 * HFS does not have hardlinks, so both rmdir and unlink set the
 * link count to 0.  The only difference is the emptiness check.
 */
static int hfs_remove(struct inode *dir, struct dentry *dentry)
{ … }

/*
 * hfs_rename()
 *
 * This is the rename() entry in the inode_operations structure for
 * regular HFS directories.  The purpose is to rename an existing
 * file or directory, given the inode for the current directory and
 * the name (and its length) of the existing file/directory and the
 * inode for the new directory and the name (and its length) of the
 * new file/directory.
 * XXX: how do you handle must_be dir?
 */
static int hfs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
		      struct dentry *old_dentry, struct inode *new_dir,
		      struct dentry *new_dentry, unsigned int flags)
{ … }

const struct file_operations hfs_dir_operations = …;

const struct inode_operations hfs_dir_inode_operations = …;