| /* |
| * Squashfs - a compressed read only filesystem for Linux |
| * |
| * Copyright (c) 2002, 2003, 2004, 2005, 2006 |
| * 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| * |
| * squashfs.h |
| */ |
| |
| #ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY |
| #undef CONFIG_SQUASHFS_1_0_COMPATIBILITY |
| #endif |
| #ifdef SQUASHFS_TRACE |
| #define TRACE(s, args...) printk(KERN_NOTICE "SQUASHFS: "s, ## args) |
| #else |
| #define TRACE(s, args...) {} |
| #endif |
| |
| #define ERROR(s, args...) printk(KERN_ERR "SQUASHFS error: "s, ## args) |
| |
| #define SERROR(s, args...) do { \ |
| if (!silent) \ |
| printk(KERN_ERR "SQUASHFS error: "s, ## args);\ |
| } while(0) |
| |
| #define WARNING(s, args...) printk(KERN_WARNING "SQUASHFS: "s, ## args) |
| |
| #define SQUASHFS_I(INO) (&INO->u.squashfs_i) |
| |
| #define i_size_read(INO) (INO->i_size) |
| |
| #if defined(CONFIG_SQUASHFS_1_0_COMPATIBILITY ) || defined(CONFIG_SQUASHFS_2_0_COMPATIBILITY) |
| #define SQSH_EXTERN |
| extern unsigned int squashfs_read_data(struct super_block *s, char *buffer, |
| long long index, unsigned int length, |
| long long *next_index); |
| extern int squashfs_get_cached_block(struct super_block *s, char *buffer, |
| long long block, unsigned int offset, |
| int length, long long *next_block, |
| unsigned int *next_offset); |
| extern void release_cached_fragment(struct squashfs_sb_info *msblk, struct |
| squashfs_fragment_cache *fragment); |
| extern struct squashfs_fragment_cache *get_cached_fragment(struct super_block |
| *s, long long start_block, |
| int length); |
| extern struct address_space_operations squashfs_symlink_aops; |
| extern struct address_space_operations squashfs_aops; |
| extern struct address_space_operations squashfs_aops_4K; |
| extern struct file_operations squashfs_dir_ops; |
| extern struct inode_operations squashfs_dir_inode_ops; |
| #else |
| #define SQSH_EXTERN static |
| #endif |
| |
| #ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY |
| extern int squashfs_1_0_supported(struct squashfs_sb_info *msblk); |
| #else |
| static inline int squashfs_1_0_supported(struct squashfs_sb_info *msblk) |
| { |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_SQUASHFS_2_0_COMPATIBILITY |
| extern int squashfs_2_0_supported(struct squashfs_sb_info *msblk); |
| #else |
| static inline int squashfs_2_0_supported(struct squashfs_sb_info *msblk) |
| { |
| return 0; |
| } |
| #endif |
