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#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 { char *name; int entries; 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 { 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; unsigned int *fragment_index_2; struct mutex read_data_mutex; struct mutex meta_index_mutex; struct meta_index *meta_index; z_stream stream; __le64 *inode_lookup_table; u64 inode_table; u64 directory_table; unsigned int block_size; unsigned short block_log; long long bytes_used; unsigned int inodes; }; #endif |