4171 clean up spa_feature_*() interfaces
4172 implement extensible_dataset feature for use by other zpool features
Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>

*** 296,305 ****
--- 296,307 ----
          boolean_t dsa_incremental;
          uint64_t dsa_last_data_object;
          uint64_t dsa_last_data_offset;
  } dmu_sendarg_t;
  
+ void dmu_object_zapify(objset_t *, uint64_t, dmu_object_type_t, dmu_tx_t *);
+ void dmu_object_free_zapified(objset_t *, uint64_t, dmu_tx_t *);
  
  #ifdef  __cplusplus
  }
  #endif