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.
16 #ifndef __YAFFS_TAGSCOMPAT_H__
17 #define __YAFFS_TAGSCOMPAT_H__
19 #include "yaffs_guts.h"
20 int yaffs_tags_compat_wr(struct yaffs_dev *dev,
22 const u8 *data, const struct yaffs_ext_tags *tags);
23 int yaffs_tags_compat_rd(struct yaffs_dev *dev,
25 u8 *data, struct yaffs_ext_tags *tags);
26 int yaffs_tags_compat_mark_bad(struct yaffs_dev *dev, int block_no);
27 int yaffs_tags_compat_query_block(struct yaffs_dev *dev,
29 enum yaffs_block_state *state,
32 void yaffs_calc_tags_ecc(struct yaffs_tags *tags);
33 int yaffs_check_tags_ecc(struct yaffs_tags *tags);
34 int yaffs_count_bits(u8 byte);