linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.

 * All Rights Reserved.

 */

#ifndef __XFS_DIR2_H__

#define __XFS_DIR2_H__

​

#include "xfs_da_format.h"

#include "xfs_da_btree.h"

​

struct xfs_da_args;

struct xfs_inode;

struct xfs_mount;

struct xfs_trans;

struct xfs_dir2_sf_hdr;

struct xfs_dir2_sf_entry;

struct xfs_dir2_data_hdr;

struct xfs_dir2_data_entry;

struct xfs_dir2_data_unused;

​

extern struct xfs_name  xfs_name_dotdot;

​

/*

 * Convert inode mode to directory entry filetype

 */

extern unsigned char xfs_mode_to_ftype(int mode);

​

/*

 * directory operations vector for encode/decode routines

 */

struct xfs_dir_ops {

    int (*sf_entsize)(struct xfs_dir2_sf_hdr *hdr, int len);

    struct xfs_dir2_sf_entry *

        (*sf_nextentry)(struct xfs_dir2_sf_hdr *hdr,

                struct xfs_dir2_sf_entry *sfep);

    uint8_t (*sf_get_ftype)(struct xfs_dir2_sf_entry *sfep);

    void    (*sf_put_ftype)(struct xfs_dir2_sf_entry *sfep,

                uint8_t ftype);

    xfs_ino_t (*sf_get_ino)(struct xfs_dir2_sf_hdr *hdr,

                struct xfs_dir2_sf_entry *sfep);

    void    (*sf_put_ino)(struct xfs_dir2_sf_hdr *hdr,

                  struct xfs_dir2_sf_entry *sfep,

                  xfs_ino_t ino);

    xfs_ino_t (*sf_get_parent_ino)(struct xfs_dir2_sf_hdr *hdr);

    void    (*sf_put_parent_ino)(struct xfs_dir2_sf_hdr *hdr,

                     xfs_ino_t ino);

​

    int (*data_entsize)(int len);

    uint8_t (*data_get_ftype)(struct xfs_dir2_data_entry *dep);

    void    (*data_put_ftype)(struct xfs_dir2_data_entry *dep,

                uint8_t ftype);

    __be16 * (*data_entry_tag_p)(struct xfs_dir2_data_entry *dep);

    struct xfs_dir2_data_free *

        (*data_bestfree_p)(struct xfs_dir2_data_hdr *hdr);

​

    xfs_dir2_data_aoff_t data_dot_offset;

    xfs_dir2_data_aoff_t data_dotdot_offset;

    xfs_dir2_data_aoff_t data_first_offset;

    size_t  data_entry_offset;

​

    struct xfs_dir2_data_entry *

        (*data_dot_entry_p)(struct xfs_dir2_data_hdr *hdr);