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* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
* Copyright (C) 2002-2011 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
* Created by Charles Manning <>
* 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 YAFFS1 tags, not YAFFS2 tags. */
#include "yaffs_guts.h"
struct yaffs_packed_tags1 {
unsigned chunk_id:20;
unsigned serial_number:2;
unsigned n_bytes:10;
unsigned obj_id:18;
unsigned ecc:12;
unsigned deleted:1;
unsigned unused_stuff:1;
unsigned should_be_ff;
void yaffs_pack_tags1(struct yaffs_packed_tags1 *pt,
const struct yaffs_ext_tags *t);
void yaffs_unpack_tags1(struct yaffs_ext_tags *t,
const struct yaffs_packed_tags1 *pt);