2619 asynchronous destruction of ZFS file systems
2747 SPA versioning with zfs feature flags
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <gwilson@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>
Approved by: Dan McDonald <danmcd@nexenta.com>

*** 22,33 ****
--- 22,38 ----
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
   * Use is subject to license terms.
   */
  
+  /*
+   * Copyright (c) 2012 by Delphix. All rights reserved.
+   */
+ 
  /*LINTLIBRARY*/
  /*PROTOLIB1*/
  
  #include <libzfs.h>
  #include "../../../common/zfs/zfs_comutil.h"
  #include "../../../common/zfs/zfs_fletcher.h"
  #include "../../../common/zfs/zfs_prop.h"
+ #include "../../../common/zfs/zfeature_common.h"