yaffs Chacing a bug in yaffs

[yaffs2.git] / yaffs_packedtags2.h

diff --git a/yaffs_packedtags2.h b/yaffs_packedtags2.h
index 659e2f62161ecd2570c5b8cb465f8740898410ee..c132a98cdc2043bbad5133e38dbcf4887e9318b5 100644 (file)
--- a/yaffs_packedtags2.h
+++ b/yaffs_packedtags2.h
@@ -1,31 +1,43 @@
-// This is used to pack YAFFS2 tags, not YAFFS1tags.
+/*
+ * 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 <charles@aleph1.co.uk>
+ *
+ * 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. */
 
 #ifndef __YAFFS_PACKEDTAGS2_H__
 #define __YAFFS_PACKEDTAGS2_H__
 
-
 #include "yaffs_guts.h"
 #include "yaffs_ecc.h"
 
-typedef struct
-{   
-    unsigned sequenceNumber;
-    unsigned chunkId;
-    unsigned objectId;
-    unsigned byteCount;
-    unsigned nandTagsEcc;
-    
+typedef struct {
+       unsigned sequenceNumber;
+       unsigned objectId;
+       unsigned chunkId;
+       unsigned byteCount;
 } yaffs_PackedTags2TagsPart;
 
-typedef struct
-{
-    yaffs_PackedTags2TagsPart t;
-    yaffs_ECCOther ecc;
+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_ExtendedTags *t, int tagsECC);
+void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt, int tagsECC);
 
-void yaffs_PackTags2(yaffs_PackedTags2 *pt, yaffs_ExtendedTags *t);
-void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt);
+/* Only the tags part (no ECC for use with inband tags */
+void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ExtendedTags *t);
+void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t, yaffs_PackedTags2TagsPart *pt);
 #endif
-
-