1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef SQUASHFS_FS_SB 2 #ifndef SQUASHFS_FS_SB
3 #define SQUASHFS_FS_SB 3 #define SQUASHFS_FS_SB
4 /* 4 /*
5 * Squashfs 5 * Squashfs
6 * 6 *
7 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 7 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
8 * Phillip Lougher <phillip@squashfs.org.uk> 8 * Phillip Lougher <phillip@squashfs.org.uk>
9 * 9 *
10 * squashfs_fs_sb.h 10 * squashfs_fs_sb.h
11 */ 11 */
12 12
13 #include "squashfs_fs.h" 13 #include "squashfs_fs.h"
14 14
15 struct squashfs_cache { 15 struct squashfs_cache {
16 char *name; 16 char *name;
17 int entries; 17 int entries;
18 int curr_blk; 18 int curr_blk;
19 int next_blk; 19 int next_blk;
20 int num_waiters; 20 int num_waiters;
21 int unused; 21 int unused;
22 int block_size; 22 int block_size;
23 int pages; 23 int pages;
24 spinlock_t lock; 24 spinlock_t lock;
25 wait_queue_head_t wait_queue; 25 wait_queue_head_t wait_queue;
26 struct squashfs_cache_entry *entry; 26 struct squashfs_cache_entry *entry;
27 }; 27 };
28 28
29 struct squashfs_cache_entry { 29 struct squashfs_cache_entry {
30 u64 block; 30 u64 block;
31 int length; 31 int length;
32 int refcount; 32 int refcount;
33 u64 next_index; 33 u64 next_index;
34 int pending; 34 int pending;
35 int error; 35 int error;
36 int num_waiters; 36 int num_waiters;
37 wait_queue_head_t wait_queue; 37 wait_queue_head_t wait_queue;
38 struct squashfs_cache *cache; 38 struct squashfs_cache *cache;
39 void **data; 39 void **data;
40 struct squashfs_page_actor *actor 40 struct squashfs_page_actor *actor;
41 }; 41 };
42 42
43 struct squashfs_sb_info { 43 struct squashfs_sb_info {
44 const struct squashfs_decompressor 44 const struct squashfs_decompressor *decompressor;
45 int 45 int devblksize;
46 int 46 int devblksize_log2;
47 struct squashfs_cache 47 struct squashfs_cache *block_cache;
48 struct squashfs_cache 48 struct squashfs_cache *fragment_cache;
49 struct squashfs_cache 49 struct squashfs_cache *read_page;
50 struct address_space 50 struct address_space *cache_mapping;
51 int 51 int next_meta_index;
52 __le64 52 __le64 *id_table;
53 __le64 53 __le64 *fragment_index;
54 __le64 54 __le64 *xattr_id_table;
55 struct mutex 55 struct mutex meta_index_mutex;
56 struct meta_index 56 struct meta_index *meta_index;
57 void 57 void *stream;
58 __le64 58 __le64 *inode_lookup_table;
59 u64 59 u64 inode_table;
60 u64 60 u64 directory_table;
61 u64 61 u64 xattr_table;
62 unsigned int 62 unsigned int block_size;
63 unsigned short 63 unsigned short block_log;
64 long long 64 long long bytes_used;
65 unsigned int 65 unsigned int inodes;
66 unsigned int 66 unsigned int fragments;
67 unsigned int 67 unsigned int xattr_ids;
68 unsigned int 68 unsigned int ids;
69 bool 69 bool panic_on_errors;
70 const struct squashfs_decompressor_thr 70 const struct squashfs_decompressor_thread_ops *thread_ops;
71 int 71 int max_thread_num;
72 }; 72 };
73 #endif 73 #endif
74 74
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