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ffae2cd7 PL |
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 *, | |
118e1ef6 | 37 | int, int); |
ffae2cd7 PL |
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 | /* export.c */ | |
55 | extern __le64 *squashfs_read_inode_lookup_table(struct super_block *, u64, | |
56 | unsigned int); | |
57 | ||
58 | /* fragment.c */ | |
59 | extern int squashfs_frag_lookup(struct super_block *, unsigned int, u64 *); | |
60 | extern __le64 *squashfs_read_fragment_index_table(struct super_block *, | |
61 | u64, unsigned int); | |
62 | ||
63 | /* id.c */ | |
64 | extern int squashfs_get_id(struct super_block *, unsigned int, unsigned int *); | |
65 | extern __le64 *squashfs_read_id_index_table(struct super_block *, u64, | |
66 | unsigned short); | |
67 | ||
68 | /* inode.c */ | |
69 | extern struct inode *squashfs_iget(struct super_block *, long long, | |
70 | unsigned int); | |
71 | extern int squashfs_read_inode(struct inode *, long long); | |
72 | ||
73 | /* | |
74 | * Inodes and files operations | |
75 | */ | |
76 | ||
77 | /* dir.c */ | |
78 | extern const struct file_operations squashfs_dir_ops; | |
79 | ||
80 | /* export.c */ | |
81 | extern const struct export_operations squashfs_export_ops; | |
82 | ||
83 | /* file.c */ | |
84 | extern const struct address_space_operations squashfs_aops; | |
85 | ||
86 | /* namei.c */ | |
87 | extern const struct inode_operations squashfs_dir_inode_ops; | |
88 | ||
89 | /* symlink.c */ | |
90 | extern const struct address_space_operations squashfs_symlink_aops; |