diff -r 2f92ad2dc5db -r 1df514389a47 userlibandfileserver/fileserver/shostmassstorage/msproxy/tmsmemmap.inl
--- a/userlibandfileserver/fileserver/shostmassstorage/msproxy/tmsmemmap.inl	Wed Mar 31 23:38:45 2010 +0300
+++ b/userlibandfileserver/fileserver/shostmassstorage/msproxy/tmsmemmap.inl	Wed Apr 14 17:22:59 2010 +0300
@@ -1,4 +1,4 @@
-// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// Copyright (c) 2008-2010 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"
@@ -26,9 +26,9 @@
     }
 
 
-inline TInt TMsDataMemMap::BlockLength() const
+inline TUint32 TMsDataMemMap::BlockLength() const
     {
-    return KSectorSize;
+    return iSectorSize;
     }
 
 
@@ -37,11 +37,20 @@
     return iSize - iDataOffset;
     }
 
-inline void TMsDataMemMap::InitDataArea(TUint32 aFirstDataSector, TUint32 aNumSectors)
-    {
-    iDataOffset = static_cast<TInt64>(aFirstDataSector) * KSectorSize;
-    iSize = static_cast<TInt64>(aNumSectors) * KSectorSize;
-    }
+inline void TMsDataMemMap::InitDataArea(TUint32 aFirstDataSector, TUint32 aNumSectors, TUint32 aSectorSize)
+	{
+	iSectorSize = aSectorSize;
+
+	iFormatSectorShift = 0;
+	while(aSectorSize)
+		{
+		++iFormatSectorShift;
+		aSectorSize >>= 1;
+		}
+
+	iDataOffset = static_cast<TInt64>(aFirstDataSector) * iSectorSize;
+	iSize = static_cast<TInt64>(aNumSectors) * iSectorSize;
+	}
 
 
 inline void TMsDataMemMap::InitDataArea(TUint64 aSize)
@@ -55,3 +64,8 @@
     return aPos + iDataOffset;
     }
 
+inline TInt TMsDataMemMap::FormatSectorShift() const
+	{
+	return iFormatSectorShift;
+	}
+