diff -r 73ea206103e6 -r 43365a9b78a3 userlibandfileserver/fileserver/sfile/sf_cache_client.h
--- a/userlibandfileserver/fileserver/sfile/sf_cache_client.h	Wed Jun 23 19:44:53 2010 +0300
+++ b/userlibandfileserver/fileserver/sfile/sf_cache_client.h	Tue Jul 06 15:50:07 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));}