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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>

@@ -18,11 +18,11 @@
  *
  * CDDL HEADER END
  */
 
 /*
- * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2013 by Delphix. All rights reserved.
  * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
  * Copyright (c) 2013, Joyent, Inc. All rights reserved.
  */
 
 #ifndef _ZFEATURE_COMMON_H

@@ -54,10 +54,11 @@
 enum spa_feature {
         SPA_FEATURE_ASYNC_DESTROY,
         SPA_FEATURE_EMPTY_BPOBJ,
         SPA_FEATURE_LZ4_COMPRESS,
         SPA_FEATURE_MULTI_VDEV_CRASH_DUMP,
+        SPA_FEATURE_SPACEMAP_HISTOGRAM,
         SPA_FEATURES
 } spa_feature_t;
 
 extern zfeature_info_t spa_feature_table[SPA_FEATURES];