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ffae2cd7 PL |
1 | #ifndef SQUASHFS_FS_SB |
2 | #define SQUASHFS_FS_SB | |
3 | /* | |
4 | * Squashfs | |
5 | * | |
6 | * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008 | |
d7f2ff67 | 7 | * Phillip Lougher <phillip@squashfs.org.uk> |
ffae2cd7 PL |
8 | * |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * as published by the Free Software Foundation; either version 2, | |
12 | * or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
22 | * | |
23 | * squashfs_fs_sb.h | |
24 | */ | |
25 | ||
26 | #include "squashfs_fs.h" | |
27 | ||
28 | struct squashfs_cache { | |
29 | char *name; | |
30 | int entries; | |
d7fbd893 | 31 | int curr_blk; |
ffae2cd7 PL |
32 | int next_blk; |
33 | int num_waiters; | |
34 | int unused; | |
35 | int block_size; | |
36 | int pages; | |
37 | spinlock_t lock; | |
38 | wait_queue_head_t wait_queue; | |
39 | struct squashfs_cache_entry *entry; | |
40 | }; | |
41 | ||
42 | struct squashfs_cache_entry { | |
43 | u64 block; | |
44 | int length; | |
45 | int refcount; | |
46 | u64 next_index; | |
47 | int pending; | |
48 | int error; | |
49 | int num_waiters; | |
50 | wait_queue_head_t wait_queue; | |
51 | struct squashfs_cache *cache; | |
52 | void **data; | |
846b730e | 53 | struct squashfs_page_actor *actor; |
ffae2cd7 PL |
54 | }; |
55 | ||
56 | struct squashfs_sb_info { | |
4c0f0bb2 PL |
57 | const struct squashfs_decompressor *decompressor; |
58 | int devblksize; | |
59 | int devblksize_log2; | |
60 | struct squashfs_cache *block_cache; | |
61 | struct squashfs_cache *fragment_cache; | |
62 | struct squashfs_cache *read_page; | |
63 | int next_meta_index; | |
64 | __le64 *id_table; | |
65 | __le64 *fragment_index; | |
4b5397dc | 66 | __le64 *xattr_id_table; |
4c0f0bb2 PL |
67 | struct mutex meta_index_mutex; |
68 | struct meta_index *meta_index; | |
9508c6b9 | 69 | struct squashfs_stream *stream; |
4c0f0bb2 PL |
70 | __le64 *inode_lookup_table; |
71 | u64 inode_table; | |
72 | u64 directory_table; | |
4b5397dc | 73 | u64 xattr_table; |
4c0f0bb2 PL |
74 | unsigned int block_size; |
75 | unsigned short block_log; | |
76 | long long bytes_used; | |
77 | unsigned int inodes; | |
4b5397dc | 78 | int xattr_ids; |
ffae2cd7 PL |
79 | }; |
80 | #endif |