2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
4 * Copyright (C) 2002-2011 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 Lesser General Public License version 2.1 as
11 * published by the Free Software Foundation.
13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
17 * Chunk bitmap manipulations
20 #ifndef __YAFFS_BITMAP_H__
21 #define __YAFFS_BITMAP_H__
23 #include "yaffs_guts.h"
25 void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, int blk, int chunk);
26 void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk);
27 void yaffs_clear_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
28 void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
29 int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk);
30 int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk);
31 int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk);