| Phillip Lougher | ffae2cd | 2009-01-05 08:46:27 +0000 | [diff] [blame] | 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); |
| 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; |