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 General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include "yaffs_tagsvalidity.h"
16 #define VALID0 0xaaaaaaaa
17 #define VALID1 0x55555555
19 void yaffs_init_tags(struct yaffs_ext_tags *tags)
21 memset(tags, 0, sizeof(struct yaffs_ext_tags));
22 tags->validity0 = VALID0;
23 tags->validity1 = VALID1;
26 int yaffs_validate_tags(struct yaffs_ext_tags *tags)
28 return (tags->validity0 == VALID0 && tags->validity1 == VALID1);