8115 parallel zfs mount

@@ -21,10 +21,13 @@
 
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
+/*
+ * Copyright (c) 2017 by Delphix. All rights reserved.
+ */
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/kmem.h>
 #include <sys/user.h>

@@ -154,11 +157,11 @@
 
 static vfsdef_t vfw = {
         VFSDEF_VERSION,
         "pcfs",
         pcfsinit,
-        VSW_HASPROTO|VSW_CANREMOUNT|VSW_STATS|VSW_CANLOFI,
+        VSW_HASPROTO|VSW_CANREMOUNT|VSW_STATS|VSW_CANLOFI|VSW_MOUNTDEV,
         &pcfs_mntopts
 };
 
 extern struct mod_ops mod_fsops;