diff -r 43365a9b78a3 -r d8d70de2bd36 userlibandfileserver/fileserver/sfat32/sl_mnt32.cpp
--- a/userlibandfileserver/fileserver/sfat32/sl_mnt32.cpp	Tue Jul 06 15:50:07 2010 +0300
+++ b/userlibandfileserver/fileserver/sfat32/sl_mnt32.cpp	Wed Aug 18 11:08:29 2010 +0300
@@ -218,8 +218,8 @@
 void CFatMountCB::SetVolumeCleanL(TBool aClean) 
     {
 
-	//-- The volume can't be set clean if there are objects opened on it. This precondition must be checked before calling this function
-    if(aClean && LockStatus()!=0)
+	//-- The volume can't be set clean if there are disk access objects opened on it. This precondition must be checked before calling this function
+    if(aClean && Locked())
         {
         __PRINT1(_L("#- CFatMountCB::SetVolumeCleanL drive:%d isn't free!"),DriveNumber());
         ASSERT(0);
@@ -935,12 +935,7 @@
             case ESQ_MountedVolumeSize:
                 {
                 TUint64* pVal = (TUint64*)aParam; 
-		*pVal = iSize; //-- physical drive size
-
-                //-- take into account space occupied by FAT table, etc.
-                *pVal -= ClusterBasePosition(); 
-                *pVal=(*pVal >> ClusterSizeLog2()) << ClusterSizeLog2();  //-- round down to cluster size
-
+                *pVal = VolumeSizeInBytes();
                 __PRINT1(_L("MountControl() MountedVolumeSize:%LU"), *pVal);
                 return KErrNone;
                 }