Index: src/xm_internal.c
===================================================================
RCS file: /data/cvs/libxen/src/xm_internal.c,v
retrieving revision 1.46
diff -u -r1.46 xm_internal.c
--- src/xm_internal.c	20 Nov 2007 18:57:41 -0000	1.46
+++ src/xm_internal.c	21 Nov 2007 15:53:32 -0000
@@ -810,6 +810,8 @@
             if (!strcmp(head, "r") ||
                 !strcmp(head, "ro"))
                 virBufferAdd(buf, "      <readonly/>\n", -1);
+	    else if (!strcmp(head, "w!"))
+	        virBufferAdd(buf, "      <shareable/>\n", -1);
             virBufferAdd(buf, "    </disk>\n", -1);
 
         skipdisk: