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 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(yaffs_dev_t *dev,
23 const yaffs_ext_tags *tags);
24 int yaffs_tags_compat_rd(yaffs_dev_t *dev,
27 yaffs_ext_tags *tags);
28 int yaffs_tags_compat_mark_bad(struct yaffs_dev_s *dev,
30 int yaffs_tags_compat_query_block(struct yaffs_dev_s *dev,
32 yaffs_block_state_t *state,
35 void yaffs_calc_tags_ecc(yaffs_tags_t *tags);
36 int yaffs_check_tags_ecc(yaffs_tags_t *tags);
37 int yaffs_count_bits(u8 byte);