diff -r 466a0df5c15a -r ea2434cf3670 userlibandfileserver/fileserver/inc/f32file.h
--- a/userlibandfileserver/fileserver/inc/f32file.h	Tue May 04 16:57:20 2010 +0100
+++ b/userlibandfileserver/fileserver/inc/f32file.h	Tue May 04 18:23:12 2010 +0100
@@ -680,6 +680,15 @@
     ETrue value means that the drive is finalised
     */
     EIsDriveFinalised,
+    
+    /**
+    Query the volume to ascertain whether File system extensions
+    are supported on this volume.
+    A boolean value is returned within the buffer defined as TPckgBuf<TBool>. 
+    ETrue value means that extensions are supported.
+    EFalse means they are not supported.
+     */
+    EFSysExtensionsSupported,
 	};
 
 /**