5981 Deadlock in dmu_objset_find_dp

*** 1044,1053 ****
--- 1044,1060 ----
          ASSERT(!rrw_held(&dp->dp_config_rwlock, RW_READER));
          rrw_enter(&dp->dp_config_rwlock, RW_READER, tag);
  }
  
  void
+ dsl_pool_config_enter_prio(dsl_pool_t *dp, void *tag)
+ {
+         ASSERT(!rrw_held(&dp->dp_config_rwlock, RW_READER));
+         rrw_enter_read_prio(&dp->dp_config_rwlock, tag);
+ }
+ 
+ void
  dsl_pool_config_exit(dsl_pool_t *dp, void *tag)
  {
          rrw_exit(&dp->dp_config_rwlock, tag);
  }