diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/userlibandfileserver/fileserver/shostmassstorage/client/rusbhostmslogicalunit.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/userlibandfileserver/fileserver/shostmassstorage/client/rusbhostmslogicalunit.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,51 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#ifndef RUSBHOSTMSLOGICALUNIT_H
+#define RUSBHOSTMSLOGICALUNIT_H
+
+
+/**
+Provides a subsession to the USB Mass Storage Host server. This class is used to
+create a channel to interface to a single logical unit supported by the attached
+device.
+*/
+class RUsbHostMsLogicalUnit : public RSubSessionBase
+	{
+public:
+	/* Constructor */
+	IMPORT_C RUsbHostMsLogicalUnit();
+	IMPORT_C TInt Initialise(const RMessage2& aMsg, TInt aDevHandleIndex, TUint32 aLun);
+	IMPORT_C TInt Read(TInt64 aPos, TInt aLength, TDes8& aTrg);
+	IMPORT_C TInt Write(TInt64 aPos, TInt aLength, const TDesC8& aTrg);
+	IMPORT_C TInt Erase(TInt64 aPos, TInt aLength);
+	IMPORT_C TInt Caps(TCapsInfo& aCapsInfo);
+	IMPORT_C void NotifyChange(TDes8& aChanged, TRequestStatus& aStatus);
+	IMPORT_C void SuspendLun();
+    IMPORT_C TInt UnInitialise();
+    IMPORT_C TInt ForceRemount(TUint aFlags);
+	IMPORT_C void NotifyChangeCancel();
+
+private:
+	TVersion Version() const;
+	RUsbHostMsDevice dev;
+	};
+
+#endif // RUSBHOSTMSLOGICALUNIT_H