2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
4 * Copyright (C) 2002-2010 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
7 * Created by Charles Manning <charles@aleph1.co.uk>
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.
13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
16 #ifndef __YAFFS_YAFFS2_H__
17 #define __YAFFS_YAFFS2_H__
19 #include "yaffs_guts.h"
21 void yaffs2_CalcOldestDirtySequence(yaffs_Device *dev);
22 void yaffs2_FindOldestDirtySequence(yaffs_Device *dev);
23 void yaffs2_ClearOldestDirtySequence(yaffs_Device *dev, yaffs_BlockInfo *bi);
24 void yaffs2_UpdateOldestDirtySequence(yaffs_Device *dev, unsigned blockNo, yaffs_BlockInfo *bi);
25 int yaffs2_BlockNotDisqualifiedFromGC(yaffs_Device *dev, yaffs_BlockInfo *bi);
26 __u32 yaffs2_FindRefreshBlock(yaffs_Device *dev);
27 int yaffs2_CheckpointRequired(yaffs_Device *dev);
28 int yaffs2_CalcCheckpointBlocksRequired(yaffs_Device *dev);
31 void yaffs2_InvalidateCheckpoint(yaffs_Device *dev);
32 int yaffs2_CheckpointSave(yaffs_Device *dev);
33 int yaffs2_CheckpointRestore(yaffs_Device *dev);
35 int yaffs2_HandleHole(yaffs_Object *obj, loff_t newSize);
36 int yaffs2_ScanBackwards(yaffs_Device *dev);