blob: cc9fd5df43129a10f7114a97778c1934229496de [file] [log] [blame]
#ifndef SQUASHFS_FS_SB
#define SQUASHFS_FS_SB
/*
* Squashfs
*
* Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
* Phillip Lougher <phillip@lougher.demon.co.uk>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2,
* or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* squashfs_fs_sb.h
*/
#include "squashfs_fs.h"
struct squashfs_cache_entry {
long long block;
int length;
int locked;
long long next_index;
char pending;
char error;
int waiting;
wait_queue_head_t wait_queue;
char *data;
};
struct squashfs_cache {
char *name;
int entries;
int block_size;
int next_blk;
int waiting;
int unused;
int use_vmalloc;
spinlock_t lock;
wait_queue_head_t wait_queue;
struct squashfs_cache_entry entry[0];
};
struct squashfs_sb_info {
int devblksize;
int devblksize_log2;
struct squashfs_cache *block_cache;
struct squashfs_cache *fragment_cache;
int next_meta_index;
__le64 *id_table;
__le64 *fragment_index;
unsigned int *fragment_index_2;
char *read_page;
struct mutex read_data_mutex;
struct mutex read_page_mutex;
struct mutex meta_index_mutex;
struct meta_index *meta_index;
z_stream stream;
__le64 *inode_lookup_table;
long long inode_table;
long long directory_table;
unsigned int block_size;
unsigned short block_log;
long long bytes_used;
unsigned int inodes;
};
#endif