4101 metaslab_debug should allow for fine-grained control
4102 space_maps should store more information about themselves
4103 space map object blocksize should be increased
4104 ::spa_space no longer works
4105 removing a mirrored log device results in a leaked object
4106 asynchronously load metaslab
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Sebastien Roy <seb@delphix.com>

*** 20,30 ****
  #
  
  #
  # Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
  # Copyright (c) 2012 Nexenta Systems, Inc. All rights reserved.
! # Copyright (c) 2012 by Delphix. All rights reserved.
  # Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
  #
  
  #
  # This Makefile defines all file modules for the directory uts/common
--- 20,30 ----
  #
  
  #
  # Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
  # Copyright (c) 2012 Nexenta Systems, Inc. All rights reserved.
! # Copyright (c) 2013 by Delphix. All rights reserved.
  # Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
  #
  
  #
  # This Makefile defines all file modules for the directory uts/common
*** 1357,1366 ****
--- 1357,1367 ----
          zfeature.o              \
          gzip.o                  \
          lz4.o                   \
          lzjb.o                  \
          metaslab.o              \
+         range_tree.o            \
          refcount.o              \
          rrwlock.o               \
          sa.o                    \
          sha256.o                \
          spa.o                   \
*** 1367,1376 ****
--- 1368,1378 ----
          spa_config.o            \
          spa_errlog.o            \
          spa_history.o           \
          spa_misc.o              \
          space_map.o             \
+         space_reftree.o         \
          txg.o                   \
          uberblock.o             \
          unique.o                \
          vdev.o                  \
          vdev_cache.o            \