/*

 * Squashfs - a compressed read only filesystem for Linux

 *

 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008

 * Phillip Lougher <phillip@squashfs.org.uk>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2,

 * or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * squashfs.h

 */

#include <linux/printk.h>

#include <fs.h>

#include <linux/fs.h>

#include <linux/kernel.h>

#define DEBUG

#define pgoff_t   unsigned long

/*

 * We "simulate" the Linux page struct much simpler here

 */

struct page {

  pgoff_t index;

  void *addr;

  struct inode *inode;

};

struct squashfs_page {

  struct page real_page;

  char **buf;

  int idx;

  int data_block;

};

static inline struct squashfs_page *squashfs_page(struct page *page)

{

  return container_of(page, struct squashfs_page, real_page);

}

Unexecuted instantiation: squashfs.c:squashfs_page

Unexecuted instantiation: block.c:squashfs_page

Unexecuted instantiation: cache.c:squashfs_page

Unexecuted instantiation: decompressor.c:squashfs_page

Unexecuted instantiation: decompressor_single.c:squashfs_page

Unexecuted instantiation: file.c:squashfs_page

Unexecuted instantiation: file_cache.c:squashfs_page

Unexecuted instantiation: fragment.c:squashfs_page

Unexecuted instantiation: id.c:squashfs_page

Unexecuted instantiation: inode.c:squashfs_page

Unexecuted instantiation: namei.c:squashfs_page

Unexecuted instantiation: super.c:squashfs_page

Unexecuted instantiation: symlink.c:squashfs_page

Unexecuted instantiation: dir.c:squashfs_page

Unexecuted instantiation: xz_wrapper.c:squashfs_page

Unexecuted instantiation: lzo_wrapper.c:squashfs_page

Unexecuted instantiation: lz4_wrapper.c:squashfs_page

Unexecuted instantiation: zlib_wrapper.c:squashfs_page

Unexecuted instantiation: zstd_wrapper.c:squashfs_page

#define TRACE(s, args...) pr_debug("SQUASHFS: "s, ## args)

#define ERROR(s, args...) pr_err("SQUASHFS error: "s, ## args)

#define WARNING(s, args...) pr_warn("SQUASHFS: "s, ## args)

char *squashfs_devread(struct squashfs_sb_info *fs, int byte_offset,

    int byte_len);

extern int squashfs_mount(struct fs_device *fsdev,

        int silent);

extern void squashfs_put_super(struct super_block *sb);

/* squashfs.c */

extern const struct file_operations squashfs_file_operations;

/* block.c */

extern int squashfs_read_data(struct super_block *, u64, int, u64 *,

        struct squashfs_page_actor *);

/* cache.c */

extern struct squashfs_cache *squashfs_cache_init(char *, int, int);

extern void squashfs_cache_delete(struct squashfs_cache *);

extern struct squashfs_cache_entry *squashfs_cache_get(struct super_block *,

        struct squashfs_cache *, u64, int);

extern void squashfs_cache_put(struct squashfs_cache_entry *);

extern int squashfs_copy_data(void *, struct squashfs_cache_entry *, int, int);

extern int squashfs_read_metadata(struct super_block *, void *, u64 *,

        int *, int);

extern struct squashfs_cache_entry *squashfs_get_fragment(struct super_block *,

        u64, int);

extern struct squashfs_cache_entry *squashfs_get_datablock(struct super_block *,

        u64, int);

extern void *squashfs_read_table(struct super_block *, u64, int);

/* decompressor.c */

extern const struct squashfs_decompressor *squashfs_lookup_decompressor(int);

extern void *squashfs_decompressor_setup(struct super_block *, unsigned short);

/* decompressor_xxx.c */

extern void *squashfs_decompressor_create(struct squashfs_sb_info *, void *);

extern void squashfs_decompressor_destroy(struct squashfs_sb_info *);

extern int squashfs_decompress(struct squashfs_sb_info *, char **,

  int, int, int, struct squashfs_page_actor *);

extern int squashfs_max_decompressors(void);

/* fragment.c */

extern int squashfs_frag_lookup(struct super_block *, unsigned int, u64 *);

extern __le64 *squashfs_read_fragment_index_table(struct super_block *,

        u64, u64, unsigned int);

/* file.c */

int squashfs_copy_cache(struct page *, struct squashfs_cache_entry *, int,

        int);

extern int squashfs_readpage(struct file *file, struct page *page);

/* file_xxx.c */

extern int squashfs_readpage_block(struct page *, u64, int, int);

/* id.c */

extern int squashfs_get_id(struct super_block *, unsigned int, unsigned int *);

extern __le64 *squashfs_read_id_index_table(struct super_block *, u64, u64,

        unsigned short);

/* inode.c */

extern struct inode *squashfs_iget(struct super_block *, long long,

        unsigned int);

extern int squashfs_read_inode(struct inode *, long long);

/*

 * Inodes, files,  decompressor and xattr operations

 */

/* dir.c */

extern const struct file_operations squashfs_dir_ops;

/* export.c */

extern const struct export_operations squashfs_export_ops;

/* file.c */

extern const struct address_space_operations squashfs_aops;

/* inode.c */

extern const struct inode_operations squashfs_inode_ops;

/* namei.c */

extern const struct inode_operations squashfs_dir_inode_ops;

/* symlink.c */

extern const struct address_space_operations squashfs_symlink_aops;

extern const struct inode_operations squashfs_symlink_inode_ops;