LXR uboot/fs/yaffs2/yaffs

   1/*
   2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
   3 *
   4 * Copyright (C) 2002-2011 Aleph One Ltd.
   5 *   for Toby Churchill Ltd and Brightstar Engineering
   6 *
   7 * Created by Charles Manning <charles@aleph1.co.uk>
   8 *
   9 * This program is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU Lesser General Public License version 2.1 as
  11 * published by the Free Software Foundation.
  12 *
  13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
  14 */
  15
  16#ifndef __YAFFS_YAFFS2_H__
  17#define __YAFFS_YAFFS2_H__
  18
  19#include "yaffs_guts.h"
  20
  21void yaffs_calc_oldest_dirty_seq(struct yaffs_dev *dev);
  22void yaffs2_find_oldest_dirty_seq(struct yaffs_dev *dev);
  23void yaffs2_clear_oldest_dirty_seq(struct yaffs_dev *dev,
  24                                   struct yaffs_block_info *bi);
  25void yaffs2_update_oldest_dirty_seq(struct yaffs_dev *dev, unsigned block_no,
  26                                    struct yaffs_block_info *bi);
  27int yaffs_block_ok_for_gc(struct yaffs_dev *dev, struct yaffs_block_info *bi);
  28u32 yaffs2_find_refresh_block(struct yaffs_dev *dev);
  29int yaffs2_checkpt_required(struct yaffs_dev *dev);
  30int yaffs_calc_checkpt_blocks_required(struct yaffs_dev *dev);
  31
  32void yaffs2_checkpt_invalidate(struct yaffs_dev *dev);
  33int yaffs2_checkpt_save(struct yaffs_dev *dev);
  34int yaffs2_checkpt_restore(struct yaffs_dev *dev);
  35
  36int yaffs2_handle_hole(struct yaffs_obj *obj, loff_t new_size);
  37int yaffs2_scan_backwards(struct yaffs_dev *dev);
  38
  39#endif
  40