tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Squashfs - a compressed read only filesystem for Linux
3 *
4 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
5 * Phillip Lougher <phillip@lougher.demon.co.uk>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2,
10 * or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 *
21 * squashfs.h
22 */
23
24#define TRACE(s, args...) pr_debug("SQUASHFS: "s, ## args)
25
26#define ERROR(s, args...) pr_err("SQUASHFS error: "s, ## args)
27
28#define WARNING(s, args...) pr_warning("SQUASHFS: "s, ## args)
29
30/* block.c */
31extern int squashfs_read_data(struct super_block *, void **, u64, int, u64 *,
32 int, int);
33
34/* cache.c */
35extern struct squashfs_cache *squashfs_cache_init(char *, int, int);
36extern void squashfs_cache_delete(struct squashfs_cache *);
37extern struct squashfs_cache_entry *squashfs_cache_get(struct super_block *,
38 struct squashfs_cache *, u64, int);
39extern void squashfs_cache_put(struct squashfs_cache_entry *);
40extern int squashfs_copy_data(void *, struct squashfs_cache_entry *, int, int);
41extern int squashfs_read_metadata(struct super_block *, void *, u64 *,
42 int *, int);
43extern struct squashfs_cache_entry *squashfs_get_fragment(struct super_block *,
44 u64, int);
45extern struct squashfs_cache_entry *squashfs_get_datablock(struct super_block *,
46 u64, int);
47extern int squashfs_read_table(struct super_block *, void *, u64, int);
48
49/* decompressor.c */
50extern const struct squashfs_decompressor *squashfs_lookup_decompressor(int);
51
52/* export.c */
53extern __le64 *squashfs_read_inode_lookup_table(struct super_block *, u64,
54 unsigned int);
55
56/* fragment.c */
57extern int squashfs_frag_lookup(struct super_block *, unsigned int, u64 *);
58extern __le64 *squashfs_read_fragment_index_table(struct super_block *,
59 u64, unsigned int);
60
61/* id.c */
62extern int squashfs_get_id(struct super_block *, unsigned int, unsigned int *);
63extern __le64 *squashfs_read_id_index_table(struct super_block *, u64,
64 unsigned short);
65
66/* inode.c */
67extern struct inode *squashfs_iget(struct super_block *, long long,
68 unsigned int);
69extern int squashfs_read_inode(struct inode *, long long);
70
71/* xattr.c */
72extern ssize_t squashfs_listxattr(struct dentry *, char *, size_t);
73
74/*
75 * Inodes, files, decompressor and xattr operations
76 */
77
78/* dir.c */
79extern const struct file_operations squashfs_dir_ops;
80
81/* export.c */
82extern const struct export_operations squashfs_export_ops;
83
84/* file.c */
85extern const struct address_space_operations squashfs_aops;
86
87/* inode.c */
88extern const struct inode_operations squashfs_inode_ops;
89
90/* namei.c */
91extern const struct inode_operations squashfs_dir_inode_ops;
92
93/* symlink.c */
94extern const struct address_space_operations squashfs_symlink_aops;
95extern const struct inode_operations squashfs_symlink_inode_ops;
96
97/* xattr.c */
98extern const struct xattr_handler *squashfs_xattr_handlers[];
99
100/* zlib_wrapper.c */
101extern const struct squashfs_decompressor squashfs_zlib_comp_ops;