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>

          --- old/usr/src/uts/common/fs/zfs/sys/zfeature.h
          +++ new/usr/src/uts/common/fs/zfs/sys/zfeature.h

   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *

  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END
  20   20   */
  21   21  
  22   22  /*
  23      - * Copyright (c) 2012 by Delphix. All rights reserved.
       23 + * Copyright (c) 2013 by Delphix. All rights reserved.
  24   24   */
  25   25  
  26   26  #ifndef _SYS_ZFEATURE_H
  27   27  #define _SYS_ZFEATURE_H
  28   28  
  29   29  #include <sys/nvpair.h>
  30   30  #include "zfeature_common.h"
  31   31  
  32   32  #ifdef  __cplusplus
  33   33  extern "C" {

  34   34  #endif
  35   35  
  36   36  struct spa;
  37   37  struct dmu_tx;
  38   38  struct objset;
  39   39  

  40   40  extern boolean_t feature_is_supported(struct objset *os, uint64_t obj,
  41   41      uint64_t desc_obj, nvlist_t *unsup_feat, nvlist_t *enabled_feat);
  42   42  
  43   43  extern void spa_feature_create_zap_objects(struct spa *, struct dmu_tx *);
  44   44  extern void spa_feature_enable(struct spa *, zfeature_info_t *,
  45   45      struct dmu_tx *);
  46   46  extern void spa_feature_incr(struct spa *, zfeature_info_t *, struct dmu_tx *);
  47   47  extern void spa_feature_decr(struct spa *, zfeature_info_t *, struct dmu_tx *);
  48   48  extern boolean_t spa_feature_is_enabled(struct spa *, zfeature_info_t *);
  49   49  extern boolean_t spa_feature_is_active(struct spa *, zfeature_info_t *);
       50 +extern int spa_feature_get_refcount(struct spa *, zfeature_info_t *);
  50   51  
  51   52  #ifdef  __cplusplus
  52   53  }
  53   54  #endif
  54   55  
  55   56  #endif /* _SYS_ZFEATURE_H */
    

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX