re #12585 rb4049 ZFS++ work port - refactoring to improve separation of open/closed code, bug fixes, performance improvements - open code
Bug 11205: add missing libzfs_closed_stubs.c to fix opensource-only build.
ZFS plus work: special vdevs, cos, cos/vdev properties

*** 18,27 ****
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
   */
  
  #ifndef ZPOOL_UTIL_H
  #define ZPOOL_UTIL_H
  
*** 36,45 ****
--- 37,47 ----
   * Basic utility functions
   */
  void *safe_malloc(size_t);
  void zpool_no_memory(void);
  uint_t num_logs(nvlist_t *nv);
+ uint_t num_special(nvlist_t *nv);
  
  /*
   * Virtual device functions
   */