| /* SPDX-License-Identifier: GPL-2.0-or-later */ | |
| #ifndef SQUASHFS_FS_SB | |
| #define SQUASHFS_FS_SB | |
| /* | |
| * Squashfs | |
| * | |
| * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008 | |
| * Phillip Lougher <phillip@squashfs.org.uk> | |
| * | |
| * 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_page_actor *actor; | |
| }; | |
| 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; | |
| struct address_space *cache_mapping; | |
| int next_meta_index; | |
| __le64 *id_table; | |
| __le64 *fragment_index; | |
| __le64 *xattr_id_table; | |
| 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; | |
| unsigned int fragments; | |
| unsigned int xattr_ids; | |
| unsigned int ids; | |
| bool panic_on_errors; | |
| const struct squashfs_decompressor_thread_ops *thread_ops; | |
| int max_thread_num; | |
| }; | |
| #endif |