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* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
* Copyright (C) 2002-2010 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
* Created by Charles Manning <>
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1 as
* published by the Free Software Foundation.
* Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
/* This is used to pack YAFFS2 tags, not YAFFS1tags. */
#include "yaffs_guts.h"
#include "yaffs_ecc.h"
typedef struct {
unsigned seq_number;
unsigned obj_id;
unsigned chunk_id;
unsigned n_bytes;
} yaffs_PackedTags2TagsPart;
typedef struct {
yaffs_PackedTags2TagsPart t;
yaffs_ECCOther ecc;
} yaffs_PackedTags2;
/* Full packed tags with ECC, used for oob tags */
void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ext_tags *t, int tagsECC);
void yaffs_unpack_tags2(yaffs_ext_tags *t, yaffs_PackedTags2 *pt, int tagsECC);
/* Only the tags part (no ECC for use with inband tags */
void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ext_tags *t);
void yaffs_unpack_tags2tags_part(yaffs_ext_tags *t, yaffs_PackedTags2TagsPart *pt);