text: /*
   * 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_CHECKPTRW_H__
  #define __YAFFS_CHECKPTRW_H__
  
  #include "yaffs_guts.h"
  
  int yaffs2_checkpt_open(struct yaffs_dev *dev, int writing);
  
  int yaffs2_checkpt_wr(struct yaffs_dev *dev, const void *data, int n_bytes);
  
  int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes);
  
  int yaffs2_get_checkpt_sum(struct yaffs_dev *dev, u32 * sum);
  
  int yaffs_checkpt_close(struct yaffs_dev *dev);
  
  int yaffs2_checkpt_invalidate_stream(struct yaffs_dev *dev);
  
  #endif
  