2009-01-05 09:46:27 +01:00
|
|
|
/*
|
|
|
|
|
* Squashfs - a compressed read only filesystem for Linux
|
|
|
|
|
*
|
|
|
|
|
* 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.h
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#define TRACE(s, args...) pr_debug("SQUASHFS: "s, ## args)
|
|
|
|
|
|
|
|
|
|
#define ERROR(s, args...) pr_err("SQUASHFS error: "s, ## args)
|
|
|
|
|
|
|
|
|
|
#define WARNING(s, args...) pr_warning("SQUASHFS: "s, ## args)
|
|
|
|
|
|
|
|
|
|
static inline struct squashfs_inode_info *squashfs_i(struct inode *inode)
|
|
|
|
|
{
|
|
|
|
|
return list_entry(inode, struct squashfs_inode_info, vfs_inode);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* block.c */
|
|
|
|
|
extern int squashfs_read_data(struct super_block *, void **, u64, int, u64 *,
|
2009-03-05 01:31:12 +01:00
|
|
|
int, int);
|
2009-01-05 09:46:27 +01:00
|
|
|
|
|
|
|
|
/* cache.c */
|
|
|
|
|
extern struct squashfs_cache *squashfs_cache_init(char *, int, int);
|
|
|
|
|
extern void squashfs_cache_delete(struct squashfs_cache *);
|
|
|
|
|
extern struct squashfs_cache_entry *squashfs_cache_get(struct super_block *,
|
|
|
|
|
struct squashfs_cache *, u64, int);
|
|
|
|
|
extern void squashfs_cache_put(struct squashfs_cache_entry *);
|
|
|
|
|
extern int squashfs_copy_data(void *, struct squashfs_cache_entry *, int, int);
|
|
|
|
|
extern int squashfs_read_metadata(struct super_block *, void *, u64 *,
|
|
|
|
|
int *, int);
|
|
|
|
|
extern struct squashfs_cache_entry *squashfs_get_fragment(struct super_block *,
|
|
|
|
|
u64, int);
|
|
|
|
|
extern struct squashfs_cache_entry *squashfs_get_datablock(struct super_block *,
|
|
|
|
|
u64, int);
|
|
|
|
|
extern int squashfs_read_table(struct super_block *, void *, u64, int);
|
|
|
|
|
|
|
|
|
|
/* export.c */
|
|
|
|
|
extern __le64 *squashfs_read_inode_lookup_table(struct super_block *, u64,
|
|
|
|
|
unsigned int);
|
|
|
|
|
|
|
|
|
|
/* fragment.c */
|
|
|
|
|
extern int squashfs_frag_lookup(struct super_block *, unsigned int, u64 *);
|
|
|
|
|
extern __le64 *squashfs_read_fragment_index_table(struct super_block *,
|
|
|
|
|
u64, unsigned int);
|
|
|
|
|
|
|
|
|
|
/* id.c */
|
|
|
|
|
extern int squashfs_get_id(struct super_block *, unsigned int, unsigned int *);
|
|
|
|
|
extern __le64 *squashfs_read_id_index_table(struct super_block *, u64,
|
|
|
|
|
unsigned short);
|
|
|
|
|
|
|
|
|
|
/* inode.c */
|
|
|
|
|
extern struct inode *squashfs_iget(struct super_block *, long long,
|
|
|
|
|
unsigned int);
|
|
|
|
|
extern int squashfs_read_inode(struct inode *, long long);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Inodes and files operations
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/* dir.c */
|
|
|
|
|
extern const struct file_operations squashfs_dir_ops;
|
|
|
|
|
|
|
|
|
|
/* export.c */
|
|
|
|
|
extern const struct export_operations squashfs_export_ops;
|
|
|
|
|
|
|
|
|
|
/* file.c */
|
|
|
|
|
extern const struct address_space_operations squashfs_aops;
|
|
|
|
|
|
|
|
|
|
/* namei.c */
|
|
|
|
|
extern const struct inode_operations squashfs_dir_inode_ops;
|
|
|
|
|
|
|
|
|
|
/* symlink.c */
|
|
|
|
|
extern const struct address_space_operations squashfs_symlink_aops;
|
