77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
#ifndef SQUASHFS_FS_SB
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#define SQUASHFS_FS_SB
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/*
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* Squashfs
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*
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* Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007
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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_fs_sb.h
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*/
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#include <linux/squashfs_fs.h>
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struct squashfs_cache {
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long long block;
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int length;
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long long next_index;
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char *data;
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};
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struct squashfs_fragment_cache {
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long long block;
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int length;
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unsigned int locked;
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char *data;
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};
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struct squashfs_sb_info {
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struct squashfs_super_block sblk;
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int devblksize;
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int devblksize_log2;
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int swap;
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struct squashfs_cache *block_cache;
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struct squashfs_fragment_cache *fragment;
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int next_cache;
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int next_fragment;
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int next_meta_index;
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unsigned int *uid;
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unsigned int *guid;
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long long *fragment_index;
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unsigned int *fragment_index_2;
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char *read_page;
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struct mutex read_data_mutex;
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struct mutex read_page_mutex;
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struct mutex block_cache_mutex;
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struct mutex fragment_mutex;
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struct mutex meta_index_mutex;
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wait_queue_head_t waitq;
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wait_queue_head_t fragment_wait_queue;
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struct meta_index *meta_index;
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z_stream stream;
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long long *inode_lookup_table;
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int unused_cache_blks;
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int unused_frag_blks;
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int (*read_inode)(struct inode *i, squashfs_inode_t \
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inode);
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long long (*read_blocklist)(struct inode *inode, int \
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index, int readahead_blks, char *block_list, \
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unsigned short **block_p, unsigned int *bsize);
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int (*read_fragment_index_table)(struct super_block *s);
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};
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#endif
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