2019-05-21 01:08:00 +08:00
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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2009-01-05 16:46:27 +08:00
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#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, 2008
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2011-05-26 17:39:56 +08:00
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* Phillip Lougher <phillip@squashfs.org.uk>
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2009-01-05 16:46:27 +08:00
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*
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* squashfs_fs_sb.h
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*/
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#include "squashfs_fs.h"
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struct squashfs_cache {
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char *name;
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int entries;
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2011-12-27 17:40:04 +08:00
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int curr_blk;
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2009-01-05 16:46:27 +08:00
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int next_blk;
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int num_waiters;
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int unused;
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int block_size;
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int pages;
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spinlock_t lock;
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wait_queue_head_t wait_queue;
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struct squashfs_cache_entry *entry;
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};
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struct squashfs_cache_entry {
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u64 block;
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int length;
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int refcount;
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u64 next_index;
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int pending;
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int error;
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int num_waiters;
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wait_queue_head_t wait_queue;
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struct squashfs_cache *cache;
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void **data;
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2013-11-18 10:59:12 +08:00
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struct squashfs_page_actor *actor;
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2009-01-05 16:46:27 +08:00
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};
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struct squashfs_sb_info {
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2009-10-06 11:04:15 +08:00
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const struct squashfs_decompressor *decompressor;
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int devblksize;
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int devblksize_log2;
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struct squashfs_cache *block_cache;
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struct squashfs_cache *fragment_cache;
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struct squashfs_cache *read_page;
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int next_meta_index;
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__le64 *id_table;
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__le64 *fragment_index;
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2010-05-15 03:48:47 +08:00
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__le64 *xattr_id_table;
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2009-10-06 11:04:15 +08:00
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struct mutex meta_index_mutex;
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struct meta_index *meta_index;
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2022-10-19 11:09:29 +08:00
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void *stream;
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2009-10-06 11:04:15 +08:00
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__le64 *inode_lookup_table;
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u64 inode_table;
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u64 directory_table;
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2010-05-15 03:48:47 +08:00
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u64 xattr_table;
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2009-10-06 11:04:15 +08:00
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unsigned int block_size;
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unsigned short block_log;
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long long bytes_used;
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unsigned int inodes;
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2018-08-02 23:43:35 +08:00
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unsigned int fragments;
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2010-05-15 03:48:47 +08:00
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int xattr_ids;
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2021-02-10 05:41:53 +08:00
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unsigned int ids;
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2021-06-29 10:33:55 +08:00
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bool panic_on_errors;
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2022-10-19 11:09:29 +08:00
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const struct squashfs_decompressor_thread_ops *thread_ops;
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2022-10-19 11:09:30 +08:00
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int max_thread_num;
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2009-01-05 16:46:27 +08:00
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};
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#endif
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