2 * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
4 * Copyright (C) 2002-2010 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
7 * Created by Charles Manning <charles@aleph1.co.uk>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
15 * Chunk bitmap manipulations
18 #ifndef __YAFFS_BITMAP_H__
19 #define __YAFFS_BITMAP_H__
21 #include "yaffs_guts.h"
23 void yaffs_verify_chunk_bit_id(yaffs_dev_t *dev, int blk, int chunk);
24 void yaffs_clear_chunk_bits(yaffs_dev_t *dev, int blk);
25 void yaffs_clear_chunk_bit(yaffs_dev_t *dev, int blk, int chunk);
26 void yaffs_set_chunk_bit(yaffs_dev_t *dev, int blk, int chunk);
27 int yaffs_check_chunk_bit(yaffs_dev_t *dev, int blk, int chunk);
28 int yaffs_still_some_chunks(yaffs_dev_t *dev, int blk);
29 int yaffs_count_chunk_bits(yaffs_dev_t *dev, int blk);