[linux-2.6-block.git] / fs / squashfs / squashfs_fs_sb.h

/* 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
Commit	Line	Data
68252eb5	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
ffae2cd7 PL	2	#ifndef SQUASHFS_FS_SB
	3	#define SQUASHFS_FS_SB
	4	/*
	5	* Squashfs
	6	*
	7	* Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
d7f2ff67	8	* Phillip Lougher <phillip@squashfs.org.uk>
ffae2cd7	9	*
ffae2cd7 PL	10	* squashfs_fs_sb.h
	11	*/
	12
	13	#include "squashfs_fs.h"
	14
	15	struct squashfs_cache {
	16	char *name;
	17	int entries;
d7fbd893	18	int curr_blk;
ffae2cd7 PL	19	int next_blk;
	20	int num_waiters;
	21	int unused;
	22	int block_size;
	23	int pages;
	24	spinlock_t lock;
	25	wait_queue_head_t wait_queue;
	26	struct squashfs_cache_entry *entry;
	27	};
	28
	29	struct squashfs_cache_entry {
	30	u64 block;
	31	int length;
	32	int refcount;
	33	u64 next_index;
	34	int pending;
	35	int error;
	36	int num_waiters;
	37	wait_queue_head_t wait_queue;
	38	struct squashfs_cache *cache;
	39	void **data;
846b730e	40	struct squashfs_page_actor *actor;
ffae2cd7 PL	41	};
	42
	43	struct squashfs_sb_info {
4c0f0bb2 PL	44	const struct squashfs_decompressor *decompressor;
	45	int devblksize;
	46	int devblksize_log2;
	47	struct squashfs_cache *block_cache;
	48	struct squashfs_cache *fragment_cache;
	49	struct squashfs_cache *read_page;
	50	int next_meta_index;
	51	__le64 *id_table;
	52	__le64 *fragment_index;
4b5397dc	53	__le64 *xattr_id_table;
4c0f0bb2 PL	54	struct mutex meta_index_mutex;
4c0f0bb2 PL	55	struct meta_index *meta_index;
9508c6b9	56	struct squashfs_stream *stream;
4c0f0bb2 PL	57	__le64 *inode_lookup_table;
	58	u64 inode_table;
	59	u64 directory_table;
4b5397dc	60	u64 xattr_table;
4c0f0bb2 PL	61	unsigned int block_size;
	62	unsigned short block_log;
	63	long long bytes_used;
	64	unsigned int inodes;
71755ee5	65	unsigned int fragments;
4b5397dc	66	int xattr_ids;
ffae2cd7 PL	67	};
ffae2cd7 PL	68	#endif