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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 | static inline struct squashfs_inode_info *squashfs_i(struct inode *inode) |
31 | { |
32 | return list_entry(inode, struct squashfs_inode_info, vfs_inode); |
33 | } |
34 | |
35 | /* block.c */ |
36 | extern int squashfs_read_data(struct super_block *, void **, u64, int, u64 *, |
37 | int, int); |
38 | |
39 | /* cache.c */ |
40 | extern struct squashfs_cache *squashfs_cache_init(char *, int, int); |
41 | extern void squashfs_cache_delete(struct squashfs_cache *); |
42 | extern struct squashfs_cache_entry *squashfs_cache_get(struct super_block *, |
43 | struct squashfs_cache *, u64, int); |
44 | extern void squashfs_cache_put(struct squashfs_cache_entry *); |
45 | extern int squashfs_copy_data(void *, struct squashfs_cache_entry *, int, int); |
46 | extern int squashfs_read_metadata(struct super_block *, void *, u64 *, |
47 | int *, int); |
48 | extern struct squashfs_cache_entry *squashfs_get_fragment(struct super_block *, |
49 | u64, int); |
50 | extern struct squashfs_cache_entry *squashfs_get_datablock(struct super_block *, |
51 | u64, int); |
52 | extern int squashfs_read_table(struct super_block *, void *, u64, int); |
53 | |
54 | /* decompressor.c */ |
55 | extern const struct squashfs_decompressor *squashfs_lookup_decompressor(int); |
56 | |
57 | /* export.c */ |
58 | extern __le64 *squashfs_read_inode_lookup_table(struct super_block *, u64, |
59 | unsigned int); |
60 | |
61 | /* fragment.c */ |
62 | extern int squashfs_frag_lookup(struct super_block *, unsigned int, u64 *); |
63 | extern __le64 *squashfs_read_fragment_index_table(struct super_block *, |
64 | u64, unsigned int); |
65 | |
66 | /* id.c */ |
67 | extern int squashfs_get_id(struct super_block *, unsigned int, unsigned int *); |
68 | extern __le64 *squashfs_read_id_index_table(struct super_block *, u64, |
69 | unsigned short); |
70 | |
71 | /* inode.c */ |
72 | extern struct inode *squashfs_iget(struct super_block *, long long, |
73 | unsigned int); |
74 | extern int squashfs_read_inode(struct inode *, long long); |
75 | |
76 | /* |
77 | * Inodes, files and decompressor operations |
78 | */ |
79 | |
80 | /* dir.c */ |
81 | extern const struct file_operations squashfs_dir_ops; |
82 | |
83 | /* export.c */ |
84 | extern const struct export_operations squashfs_export_ops; |
85 | |
86 | /* file.c */ |
87 | extern const struct address_space_operations squashfs_aops; |
88 | |
89 | /* namei.c */ |
90 | extern const struct inode_operations squashfs_dir_inode_ops; |
91 | |
92 | /* symlink.c */ |
93 | extern const struct address_space_operations squashfs_symlink_aops; |
94 | |
95 | /* zlib_wrapper.c */ |
96 | extern const struct squashfs_decompressor squashfs_zlib_comp_ops; |
97 |
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