diff -r 73ea206103e6 -r 43365a9b78a3 userlibandfileserver/fileserver/inc/f32dbg.h
--- a/userlibandfileserver/fileserver/inc/f32dbg.h	Wed Jun 23 19:44:53 2010 +0300
+++ b/userlibandfileserver/fileserver/inc/f32dbg.h	Tue Jul 06 15:50:07 2010 +0300
@@ -188,6 +188,12 @@
 const TInt KControlIoObjectCount=KMaxTInt-22;
 
 const TInt KControlIoIsFileSequential=KMaxTInt-23;
+const TInt KControlIoGlobalCacheConfig=KMaxTInt-24;
+const TInt KControlIoGlobalCacheInfo=KMaxTInt-25;
+const TInt KControlIoDirCacheConfig=KMaxTInt-26;
+const TInt KControlIoDirCacheInfo=KMaxTInt-27;
+const TInt KControlIoSimulateMemoryLow=KMaxTInt-28;
+const TInt KControlIoStopSimulateMemoryLow=KMaxTInt-29;
 
 const TInt KNCDebugNotifierValue=-500000;	// between 0 and 1 second
 
@@ -256,6 +262,88 @@
 
 extern TBool EnableFatUtilityFunctions;
 
+class TGlobalCacheConfig
+    {
+public:
+    TInt32 iGlobalCacheSizeInBytes;      		// in bytes 
+    TInt32 iGlobalLowMemoryThreshold;         	// in percentage
+    };
+
+class TGlobalCacheInfo
+    {
+public:
+    TInt32 iGlobalCacheSizeInBytes;     		// in bytes 
+    TInt32 iGlobalLowMemoryThreshold;   		// in percentage
+    };
+
+class TDirCacheConfig
+    {
+public:
+    TInt iDrive;
+
+    TInt32 iLeafDirCacheSize;           // in number of most recently visited leaf directories
+    TInt32 iDirCacheSizeMin;            // in bytes
+    TInt32 iDirCacheSizeMax;            // in bytes
+    };
+
+class TDirCacheInfo
+    {
+public:
+    TInt iDrive;
+
+    /**
+    Segment size in bytes. A memory segment is the smallest memory unit that Kernel manages through RChunk.
+    */
+    TInt32 iMemorySegmentSize;
+
+    /**
+    Size of memory a page occupies, in bytes.
+    Note: following restrictions may result a difference between page size in memory & page size in data:
+        1. page size can not be smaller than segment size
+        2. one page can not contain data from two different clusters
+    */
+    TInt32 iPageSizeInMemory;
+
+    /**
+    Size of actual data a page contains, in bytes.
+    Note: following restrictions may result a difference between page size in memory & page size in data:
+        1. page size can not be smaller than segment size
+        2. one page can not contain data from two different clusters
+    */
+    TInt32 iPageSizeInData;
+    
+    /**
+    The minimum number of pages that the cache can contain, even under low memory conditions.
+    */
+    TInt32 iMinCacheSizeInPages;
+
+    /**
+    The maximum number of pages that the cache can contain, when there is enough free memory in the system.
+    */
+    TInt32 iMaxCacheSizeInPages;
+    
+    /**
+    The minimum cache size in memory. In bytes.
+    */
+    TInt32 iMinCacheSizeInMemory;
+
+    /**
+    The maximum cache size in memroy. In bytes.
+    */
+    TInt32 iMaxCacheSizeInMemory;
+    
+    /**
+    Current count of the locked pages.
+    */
+    TInt32 iLockedPageNumber;
+
+    /**
+    Current count of the unlocked pages.
+    */
+    TInt32 iUnlockedPageNumber;
+    
+    };
+
 #endif
 
 enum TLoaderDebugFunction