squashfs_fs_sb.h

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#ifndef SQUASHFS_FS_SB
#define SQUASHFS_FS_SB
/*
 * Squashfs
 *
 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
 * Phillip Lougher <[email protected]>
 *
 * 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_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_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                read_data_mutex;
    struct mutex                meta_index_mutex;
    struct meta_index           *meta_index;
    void                    *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;
    int                 xattr_ids;
};
#endif