blob: 675e719460a839042be3fac805f826a58f979d06 [file] [log] [blame]
* 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 YAFFS2 tags, not YAFFS1tags. */
#include "yaffs_guts.h"
#include "yaffs_ecc.h"
struct yaffs_packed_tags2_tags_only {
unsigned seq_number;
unsigned obj_id;
unsigned chunk_id;
unsigned n_bytes;
struct yaffs_packed_tags2 {
struct yaffs_packed_tags2_tags_only t;
struct yaffs_ecc_other ecc;
/* Full packed tags with ECC, used for oob tags */
void yaffs_pack_tags2(struct yaffs_packed_tags2 *pt,
const struct yaffs_ext_tags *t, int tags_ecc);
void yaffs_unpack_tags2(struct yaffs_ext_tags *t, struct yaffs_packed_tags2 *pt,
int tags_ecc);
/* Only the tags part (no ECC for use with inband tags */
void yaffs_pack_tags2_tags_only(struct yaffs_packed_tags2_tags_only *pt,
const struct yaffs_ext_tags *t);
void yaffs_unpack_tags2_tags_only(struct yaffs_ext_tags *t,
struct yaffs_packed_tags2_tags_only *pt);