diff -r a179b74831c9 -r c1f20ce4abcf userlibandfileserver/fileserver/sfile/sf_cache_client.h
--- a/userlibandfileserver/fileserver/sfile/sf_cache_client.h	Thu Aug 19 11:14:22 2010 +0300
+++ b/userlibandfileserver/fileserver/sfile/sf_cache_client.h	Tue Aug 31 16:34:26 2010 +0300
@@ -57,6 +57,7 @@
 	TBool SegmentEmpty(TInt64 aPos);
 	TBool SegmentDirty(TInt64 aPos);
 	TBool TooManyLockedSegments();
+	TBool LockedSegmentsHalfUsed();
 
 	inline TInt CacheOffset(TInt64 aLinAddr) const \
 		{return(I64LOW(aLinAddr)& ((1 << iManager.SegmentSizeLog2())-1));}