forked from Minki/linux
77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
#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 {
|
|
char *name;
|
|
int entries;
|
|
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_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;
|
|
struct mutex read_data_mutex;
|
|
struct mutex meta_index_mutex;
|
|
struct meta_index *meta_index;
|
|
void *stream;
|
|
__le64 *inode_lookup_table;
|
|
u64 inode_table;
|
|
u64 directory_table;
|
|
unsigned int block_size;
|
|
unsigned short block_log;
|
|
long long bytes_used;
|
|
unsigned int inodes;
|
|
};
|
|
#endif
|