openwrt_archive/target/linux/generic/files/fs/yaffs2/yaffs_yaffs2.h
Gabor Juhos bdff9fcc24 kernel: update yaffs code
Use the latest version of the yaffs code. Fetched from the
yaffs2 git tree and it is based on the following commit:

  commit bc76682d93955cfb33051beb503ad9f8a5450578
  Merge: 3a8580e ffa781d
  Author: Charles Manning <cdhmanning@gmail.com>
  Date:   Thu Jul 11 17:46:25 2013 +1200

      Merge branch 'master' of ssh://www.aleph1.co.uk/home/aleph1/git/yaffs2

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39084
2013-12-16 07:51:19 +00:00

40 lines
1.4 KiB
C

/*
* 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 <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.
*/
#ifndef __YAFFS_YAFFS2_H__
#define __YAFFS_YAFFS2_H__
#include "yaffs_guts.h"
void yaffs_calc_oldest_dirty_seq(struct yaffs_dev *dev);
void yaffs2_find_oldest_dirty_seq(struct yaffs_dev *dev);
void yaffs2_clear_oldest_dirty_seq(struct yaffs_dev *dev,
struct yaffs_block_info *bi);
void yaffs2_update_oldest_dirty_seq(struct yaffs_dev *dev, unsigned block_no,
struct yaffs_block_info *bi);
int yaffs_block_ok_for_gc(struct yaffs_dev *dev, struct yaffs_block_info *bi);
u32 yaffs2_find_refresh_block(struct yaffs_dev *dev);
int yaffs2_checkpt_required(struct yaffs_dev *dev);
int yaffs_calc_checkpt_blocks_required(struct yaffs_dev *dev);
void yaffs2_checkpt_invalidate(struct yaffs_dev *dev);
int yaffs2_checkpt_save(struct yaffs_dev *dev);
int yaffs2_checkpt_restore(struct yaffs_dev *dev);
int yaffs2_handle_hole(struct yaffs_obj *obj, loff_t new_size);
int yaffs2_scan_backwards(struct yaffs_dev *dev);
#endif