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 General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include "yaffs_packedtags1.h"
17 void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ext_tags *t)
19 pt->chunk_id = t->chunk_id;
20 pt->serial_number = t->serial_number;
21 pt->n_bytes = t->n_bytes;
22 pt->obj_id = t->obj_id;
24 pt->deleted = (t->is_deleted) ? 0 : 1;
26 pt->shouldBeFF = 0xFFFFFFFF;
30 void yaffs_unpack_tags1(yaffs_ext_tags *t, const yaffs_PackedTags1 *pt)
32 static const __u8 allFF[] =
33 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
36 if (memcmp(allFF, pt, sizeof(yaffs_PackedTags1))) {
38 if (pt->shouldBeFF != 0xFFFFFFFF)
41 t->obj_id = pt->obj_id;
42 t->chunk_id = pt->chunk_id;
43 t->n_bytes = pt->n_bytes;
44 t->ecc_result = YAFFS_ECC_RESULT_NO_ERROR;
45 t->is_deleted = (pt->deleted) ? 0 : 1;
46 t->serial_number = pt->serial_number;
48 memset(t, 0, sizeof(yaffs_ext_tags));