3525 Persistent L2ARC

*** 22,31 ****
--- 22,32 ----
  /*
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright (c) 2013 by Delphix. All rights reserved.
   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
   * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+  * Copyright (c) 2013, Saso Kiselkov. All rights reserved.
   */
  
  /* Portions Copyright 2010 Robert Milkowski */
  
  #ifndef _SYS_FS_ZFS_H
*** 509,518 ****
--- 510,520 ----
  #define ZPOOL_CONFIG_LOADED_TIME        "initial_load_time"
  #define ZPOOL_CONFIG_UNSPARE            "unspare"
  #define ZPOOL_CONFIG_PHYS_PATH          "phys_path"
  #define ZPOOL_CONFIG_IS_LOG             "is_log"
  #define ZPOOL_CONFIG_L2CACHE            "l2cache"
+ #define ZPOOL_CONFIG_L2CACHE_PERSISTENT "l2cache_persistent"
  #define ZPOOL_CONFIG_HOLE_ARRAY         "hole_array"
  #define ZPOOL_CONFIG_VDEV_CHILDREN      "vdev_children"
  #define ZPOOL_CONFIG_IS_HOLE            "is_hole"
  #define ZPOOL_CONFIG_DDT_HISTOGRAM      "ddt_histogram"
  #define ZPOOL_CONFIG_DDT_OBJ_STATS      "ddt_object_stats"