diff -r 3da531bb4329 -r 28839de615b4 persistentstorage/sql/OsLayer/FileBuf64.h
--- a/persistentstorage/sql/OsLayer/FileBuf64.h	Mon Jun 21 17:37:53 2010 +0300
+++ b/persistentstorage/sql/OsLayer/FileBuf64.h	Thu Aug 19 11:36:21 2010 +0300
@@ -180,7 +180,8 @@
 	TInt		iLength;				//The length of the data currently held in the buffer.
 	//File related
 	TInt64		iFilePos;				//The file position associated with the beginning of the buffer.
-	TInt64		iFileSize;				//The file size.
+	TInt64		iFileSize;				//The file size which is the logical end of file from the buffer's point of view.
+    TInt64      iRealFileSize;          //The real file size on disk.
 	RFile64		iFile;					//The file object.
 	//Read-ahead related
 	TBool		iDirty;					//The buffer contains pending data to be written to the file