1 /* 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 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); 32 33 #endif 34