--- /dev/null
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2010 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 General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * Chunk bitmap manipulations
+ */
+
+#ifndef __YAFFS_BITMAP_H__
+#define __YAFFS_BITMAP_H__
+
+#include "yaffs_guts.h"
+
+void yaffs_VerifyChunkBitId(yaffs_Device *dev, int blk, int chunk);
+void yaffs_ClearChunkBits(yaffs_Device *dev, int blk);
+void yaffs_ClearChunkBit(yaffs_Device *dev, int blk, int chunk);
+void yaffs_SetChunkBit(yaffs_Device *dev, int blk, int chunk);
+int yaffs_CheckChunkBit(yaffs_Device *dev, int blk, int chunk);
+int yaffs_StillSomeChunkBits(yaffs_Device *dev, int blk);
+int yaffs_CountChunkBits(yaffs_Device *dev, int blk);
+
+#endif