/* 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;
  	int					next_meta_index;
  	__le64					*id_table;
  	__le64					*fragment_index;

  	__le64					*xattr_id_table;

  	struct mutex				meta_index_mutex;
  	struct meta_index			*meta_index;

  	struct squashfs_stream			*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;

  	int					xattr_ids;

  };
  #endif