| #ifndef SQUASHFS_FS_SB |
| #define SQUASHFS_FS_SB |
| /* |
| * Squashfs |
| * |
| * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
| * 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| * |
| * squashfs_fs_sb.h |
| */ |
| |
| #include "squashfs_fs.h" |
| |
| struct squashfs_cache_entry { |
| long long block; |
| int length; |
| int locked; |
| long long next_index; |
| char pending; |
| char error; |
| int waiting; |
| wait_queue_head_t wait_queue; |
| char *data; |
| }; |
| |
| struct squashfs_cache { |
| char *name; |
| int entries; |
| int block_size; |
| int next_blk; |
| int waiting; |
| int unused; |
| int use_vmalloc; |
| spinlock_t lock; |
| wait_queue_head_t wait_queue; |
| struct squashfs_cache_entry entry[0]; |
| }; |
| |
| struct squashfs_sb_info { |
| int devblksize; |
| int devblksize_log2; |
| struct squashfs_cache *block_cache; |
| struct squashfs_cache *fragment_cache; |
| int next_meta_index; |
| __le64 *id_table; |
| __le64 *fragment_index; |
| unsigned int *fragment_index_2; |
| char *read_page; |
| struct mutex read_data_mutex; |
| struct mutex read_page_mutex; |
| struct mutex meta_index_mutex; |
| struct meta_index *meta_index; |
| z_stream stream; |
| __le64 *inode_lookup_table; |
| long long inode_table; |
| long long directory_table; |
| unsigned int block_size; |
| unsigned short block_log; |
| long long bytes_used; |
| unsigned int inodes; |
| }; |
| #endif |