4374 dn_free_ranges should use range_tree_t
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>

*** 18,28 ****
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2013 by Delphix. All rights reserved.
   * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
   * Copyright (c) 2013 Joyent, Inc.  All rights reserved.
   */
  
  #include <sys/zfs_context.h>
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
   * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
   * Copyright (c) 2013 Joyent, Inc.  All rights reserved.
   */
  
  #include <sys/zfs_context.h>
*** 546,556 ****
                      "both DKIOCGMEDIAINFO{,EXT} calls failed, %d\n",
                      vd->vdev_path, error);
                  pbsize = DEV_BSIZE;
          }
  
!         *ashift = highbit(MAX(pbsize, SPA_MINBLOCKSIZE)) - 1;
  
          if (vd->vdev_wholedisk == 1) {
                  int wce = 1;
  
                  if (error == 0) {
--- 546,556 ----
                      "both DKIOCGMEDIAINFO{,EXT} calls failed, %d\n",
                      vd->vdev_path, error);
                  pbsize = DEV_BSIZE;
          }
  
!         *ashift = highbit64(MAX(pbsize, SPA_MINBLOCKSIZE)) - 1;
  
          if (vd->vdev_wholedisk == 1) {
                  int wce = 1;
  
                  if (error == 0) {