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