linux/fs/squashfs/squashfs_fs_sb.h
<<
>>
Prefs
   1#ifndef SQUASHFS_FS_SB
   2#define SQUASHFS_FS_SB
   3/*
   4 * Squashfs
   5 *
   6 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
   7 * Phillip Lougher <phillip@squashfs.org.uk>
   8 *
   9 * This program is free software; you can redistribute it and/or
  10 * modify it under the terms of the GNU General Public License
  11 * as published by the Free Software Foundation; either version 2,
  12 * or (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, write to the Free Software
  21 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22 *
  23 * squashfs_fs_sb.h
  24 */
  25
  26#include "squashfs_fs.h"
  27
  28struct squashfs_cache {
  29        char                    *name;
  30        int                     entries;
  31        int                     curr_blk;
  32        int                     next_blk;
  33        int                     num_waiters;
  34        int                     unused;
  35        int                     block_size;
  36        int                     pages;
  37        spinlock_t              lock;
  38        wait_queue_head_t       wait_queue;
  39        struct squashfs_cache_entry *entry;
  40};
  41
  42struct squashfs_cache_entry {
  43        u64                     block;
  44        int                     length;
  45        int                     refcount;
  46        u64                     next_index;
  47        int                     pending;
  48        int                     error;
  49        int                     num_waiters;
  50        wait_queue_head_t       wait_queue;
  51        struct squashfs_cache   *cache;
  52        void                    **data;
  53};
  54
  55struct squashfs_sb_info {
  56        const struct squashfs_decompressor      *decompressor;
  57        int                                     devblksize;
  58        int                                     devblksize_log2;
  59        struct squashfs_cache                   *block_cache;
  60        struct squashfs_cache                   *fragment_cache;
  61        struct squashfs_cache                   *read_page;
  62        int                                     next_meta_index;
  63        __le64                                  *id_table;
  64        __le64                                  *fragment_index;
  65        __le64                                  *xattr_id_table;
  66        struct mutex                            read_data_mutex;
  67        struct mutex                            meta_index_mutex;
  68        struct meta_index                       *meta_index;
  69        void                                    *stream;
  70        __le64                                  *inode_lookup_table;
  71        u64                                     inode_table;
  72        u64                                     directory_table;
  73        u64                                     xattr_table;
  74        unsigned int                            block_size;
  75        unsigned short                          block_log;
  76        long long                               bytes_used;
  77        unsigned int                            inodes;
  78        int                                     xattr_ids;
  79};
  80#endif
  81
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.