--- ZFSPlugin-5.0-33.pm	2018-12-15 09:29:56.586101170 -0500
+++ ZFSPlugin.pm	2018-12-15 09:24:08.393984276 -0500
@@ -27,6 +27,7 @@
     modify_lu   => 1,
     add_view    => 1,
     list_view   => 1,
+    list_extent => 1,
     list_lu     => 1,
 };