blob: e26b37d89ae4729ade0e8fba5dea9ae307913969 [file] [log] [blame]
Charles Manning753ac612012-05-09 16:55:17 +00001/*
2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
3 *
4 * Copyright (C) 2002-2011 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
6 *
7 * Created by Charles Manning <charles@aleph1.co.uk>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License version 2.1 as
11 * published by the Free Software Foundation.
12 *
13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
14 */
15
16/*
17 * Chunk bitmap manipulations
18 */
19
20#ifndef __YAFFS_BITMAP_H__
21#define __YAFFS_BITMAP_H__
22
23#include "yaffs_guts.h"
24
25void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, int blk, int chunk);
26void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk);
27void yaffs_clear_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
28void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
29int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
30int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk);
31int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk);
32
33#endif