/* 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