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86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
/*
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* Squashfs - a compressed read only filesystem for Linux
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*
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* Copyright (c) 2002, 2003, 2004, 2005, 2006
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* Phillip Lougher <phillip@lougher.demon.co.uk>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2,
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* or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* squashfs.h
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*/
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#ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY
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#undef CONFIG_SQUASHFS_1_0_COMPATIBILITY
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#endif
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#ifdef SQUASHFS_TRACE
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#define TRACE(s, args...) printk(KERN_NOTICE "SQUASHFS: "s, ## args)
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#else
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#define TRACE(s, args...) {}
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#endif
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#define ERROR(s, args...) printk(KERN_ERR "SQUASHFS error: "s, ## args)
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#define SERROR(s, args...) do { \
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if (!silent) \
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printk(KERN_ERR "SQUASHFS error: "s, ## args);\
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} while(0)
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#define WARNING(s, args...) printk(KERN_WARNING "SQUASHFS: "s, ## args)
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#define SQUASHFS_I(INO) (&INO->u.squashfs_i)
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#define i_size_read(INO) (INO->i_size)
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#if defined(CONFIG_SQUASHFS_1_0_COMPATIBILITY ) || defined(CONFIG_SQUASHFS_2_0_COMPATIBILITY)
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#define SQSH_EXTERN
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extern unsigned int squashfs_read_data(struct super_block *s, char *buffer,
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long long index, unsigned int length,
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long long *next_index);
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extern int squashfs_get_cached_block(struct super_block *s, char *buffer,
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long long block, unsigned int offset,
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int length, long long *next_block,
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unsigned int *next_offset);
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extern void release_cached_fragment(struct squashfs_sb_info *msblk, struct
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squashfs_fragment_cache *fragment);
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extern struct squashfs_fragment_cache *get_cached_fragment(struct super_block
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*s, long long start_block,
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int length);
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extern struct address_space_operations squashfs_symlink_aops;
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extern struct address_space_operations squashfs_aops;
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extern struct address_space_operations squashfs_aops_4K;
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extern struct file_operations squashfs_dir_ops;
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extern struct inode_operations squashfs_dir_inode_ops;
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#else
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#define SQSH_EXTERN static
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#endif
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#ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY
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extern int squashfs_1_0_supported(struct squashfs_sb_info *msblk);
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#else
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static inline int squashfs_1_0_supported(struct squashfs_sb_info *msblk)
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{
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return 0;
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}
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#endif
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#ifdef CONFIG_SQUASHFS_2_0_COMPATIBILITY
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extern int squashfs_2_0_supported(struct squashfs_sb_info *msblk);
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#else
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static inline int squashfs_2_0_supported(struct squashfs_sb_info *msblk)
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{
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return 0;
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}
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#endif
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