2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
4 * Copyright (C) 2002-2018 Aleph One Ltd.
6 * Created by Charles Manning <charles@aleph1.co.uk>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU Lesser General Public License version 2.1 as
10 * published by the Free Software Foundation.
12 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
15 #ifndef __YAFFS_YAFFS2_H__
16 #define __YAFFS_YAFFS2_H__
18 #include "yaffs_guts.h"
20 void yaffs_calc_oldest_dirty_seq(struct yaffs_dev *dev);
21 void yaffs2_find_oldest_dirty_seq(struct yaffs_dev *dev);
22 void yaffs2_clear_oldest_dirty_seq(struct yaffs_dev *dev,
23 struct yaffs_block_info *bi);
24 void yaffs2_update_oldest_dirty_seq(struct yaffs_dev *dev, unsigned block_no,
25 struct yaffs_block_info *bi);
26 int yaffs_block_ok_for_gc(struct yaffs_dev *dev, struct yaffs_block_info *bi);
27 u32 yaffs2_find_refresh_block(struct yaffs_dev *dev);
28 int yaffs2_checkpt_required(struct yaffs_dev *dev);
29 int yaffs_calc_checkpt_blocks_required(struct yaffs_dev *dev);
31 void yaffs2_checkpt_invalidate(struct yaffs_dev *dev);
32 int yaffs2_checkpt_save(struct yaffs_dev *dev);
33 int yaffs2_checkpt_restore(struct yaffs_dev *dev);
35 int yaffs2_handle_hole(struct yaffs_obj *obj, loff_t new_size);
36 int yaffs2_scan_backwards(struct yaffs_dev *dev);