blob: 2363bfd8bcab6b07d02c4b50c1394546dd349d10 [file] [log] [blame]
Charles Manning753ac612012-05-09 16:55:17 +00001/*
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