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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef SQUASHFS_FS_SB
#define SQUASHFS_FS_SB
/*
* Squashfs
*
* Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
* Phillip Lougher <phillip@squashfs.org.uk>
*
* squashfs_fs_sb.h
*/
#include "squashfs_fs.h"
struct squashfs_cache {
char *name;
int entries;
int curr_blk;
int next_blk;
int num_waiters;
int unused;
int block_size;
int pages;
spinlock_t lock;
wait_queue_head_t wait_queue;
struct squashfs_cache_entry *entry;
};
struct squashfs_cache_entry {
u64 block;
int length;
int refcount;
u64 next_index;
int pending;
int error;
int num_waiters;
wait_queue_head_t wait_queue;
struct squashfs_cache *cache;
void **data;
struct squashfs_page_actor *actor;
};
struct squashfs_sb_info {
const struct squashfs_decompressor *decompressor;
int devblksize;
int devblksize_log2;
struct squashfs_cache *block_cache;
struct squashfs_cache *fragment_cache;
struct squashfs_cache *read_page;
struct address_space *cache_mapping;
int next_meta_index;
__le64 *id_table;
__le64 *fragment_index;
__le64 *xattr_id_table;
struct mutex meta_index_mutex;
struct meta_index *meta_index;
void *stream;
__le64 *inode_lookup_table;
u64 inode_table;
u64 directory_table;
u64 xattr_table;
unsigned int block_size;
unsigned short block_log;
long long bytes_used;
unsigned int inodes;
unsigned int fragments;
unsigned int xattr_ids;
unsigned int ids;
bool panic_on_errors;
const struct squashfs_decompressor_thread_ops *thread_ops;
int max_thread_num;
};
#endif
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