1 files changed, 28 insertions, 0 deletions
diff --git a/fs/yaffs2/yaffs_tagsvalidity.c b/fs/yaffs2/yaffs_tagsvalidity.c
new file mode 100644
index 0000000000..9e0bd1cf56
--- /dev/null
+++ b/fs/yaffs2/yaffs_tagsvalidity.c
@@ -0,0 +1,28 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2007 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "yaffs_tagsvalidity.h"
+
+void yaffs_InitialiseTags(yaffs_ExtendedTags * tags)
+{
+	memset(tags, 0, sizeof(yaffs_ExtendedTags));
+	tags->validMarker0 = 0xAAAAAAAA;
+	tags->validMarker1 = 0x55555555;
+}
+
+int yaffs_ValidateTags(yaffs_ExtendedTags * tags)
+{
+	return (tags->validMarker0 == 0xAAAAAAAA &&
+		tags->validMarker1 == 0x55555555);
+
+}