Root/target/linux/generic/files/fs/yaffs2/yaffs_packedtags2.h

1/*
2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
3 *
4 * Copyright (C) 2002-2007 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/* This is used to pack YAFFS2 tags, not YAFFS1tags. */
17
18#ifndef __YAFFS_PACKEDTAGS2_H__
19#define __YAFFS_PACKEDTAGS2_H__
20
21#include "yaffs_guts.h"
22#include "yaffs_ecc.h"
23
24typedef struct {
25    unsigned sequenceNumber;
26    unsigned objectId;
27    unsigned chunkId;
28    unsigned byteCount;
29} yaffs_PackedTags2TagsPart;
30
31typedef struct {
32    yaffs_PackedTags2TagsPart t;
33    yaffs_ECCOther ecc;
34} yaffs_PackedTags2;
35
36void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t);
37void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt);
38#endif
39

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