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753ac610 CM |
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 |