[net-next-2.6.git] / fs / squashfs / squashfs_fs_sb.h

#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;
	__le64					*xattr_id_table;
	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;
	u64					xattr_table;
	unsigned int				block_size;
	unsigned short				block_log;
	long long				bytes_used;
	unsigned int				inodes;
	int					xattr_ids;
};
#endif
Commit	Line	Data
ffae2cd7 PL	1	#ifndef SQUASHFS_FS_SB
	2	#define SQUASHFS_FS_SB
	3	/*
	4	* Squashfs
	5	*
	6	* Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
	7	* Phillip Lougher <phillip@lougher.demon.co.uk>
	8	*
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU General Public License
	11	* as published by the Free Software Foundation; either version 2,
	12	* or (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	22	*
	23	* squashfs_fs_sb.h
	24	*/
	25
	26	#include "squashfs_fs.h"
	27
	28	struct squashfs_cache {
	29	char *name;
	30	int entries;
	31	int next_blk;
	32	int num_waiters;
	33	int unused;
	34	int block_size;
	35	int pages;
	36	spinlock_t lock;
	37	wait_queue_head_t wait_queue;
	38	struct squashfs_cache_entry *entry;
	39	};
	40
	41	struct squashfs_cache_entry {
	42	u64 block;
	43	int length;
	44	int refcount;
	45	u64 next_index;
	46	int pending;
	47	int error;
	48	int num_waiters;
	49	wait_queue_head_t wait_queue;
	50	struct squashfs_cache *cache;
	51	void **data;
	52	};
	53
	54	struct squashfs_sb_info {
4c0f0bb2 PL	55	const struct squashfs_decompressor *decompressor;
	56	int devblksize;
	57	int devblksize_log2;
	58	struct squashfs_cache *block_cache;
	59	struct squashfs_cache *fragment_cache;
	60	struct squashfs_cache *read_page;
	61	int next_meta_index;
	62	__le64 *id_table;
	63	__le64 *fragment_index;
4b5397dc	64	__le64 *xattr_id_table;
4c0f0bb2 PL	65	struct mutex read_data_mutex;
	66	struct mutex meta_index_mutex;
	67	struct meta_index *meta_index;
	68	void *stream;
	69	__le64 *inode_lookup_table;
	70	u64 inode_table;
	71	u64 directory_table;
4b5397dc	72	u64 xattr_table;
4c0f0bb2 PL	73	unsigned int block_size;
	74	unsigned short block_log;
	75	long long bytes_used;
	76	unsigned int inodes;
4b5397dc	77	int xattr_ids;
ffae2cd7 PL	78	};
ffae2cd7 PL	79	#endif