blob: 30bbd3bbb1e012b4a9eab797ae4c6814b260d678 [file] [log] [blame]
xjb04a4022021-11-25 15:01:52 +08001/*
2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
3 *
4 * Copyright (C) 2002-2018 Aleph One Ltd.
5 *
6 * Created by Charles Manning <charles@aleph1.co.uk>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU Lesser General Public License version 2.1 as
10 * published by the Free Software Foundation.
11 *
12 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
13 */
14
15/*
16 * Chunk bitmap manipulations
17 */
18
19#ifndef __YAFFS_BITMAP_H__
20#define __YAFFS_BITMAP_H__
21
22#include "yaffs_guts.h"
23
24void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, int blk, int chunk);
25void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk);
26void yaffs_clear_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
27void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
28int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
29int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk);
30int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk);
31
32#endif