anchor.diff:          include_docs = IncludeDocs,
           direction = Dir,
           inclusive_end = Inclusive,
  -        extra = Options
  +        extra = Extra
       } = QueryArgs,
  -    set_io_priority(DbName, Options),
  +    set_io_priority(DbName, Extra),
       {ok, Total} = couch_db:get_doc_count(Db),
       Acc0 = #view_acc{
           db = Db,
  
positive.code:         skip = Skip,
          keys = Keys,
          stale = Stale,
          extra = Options
      } = QueryArgs,
      set_io_priority(DbName, Options),
      GroupFun = group_rows_fun(GroupLevel),
      MinSeq = if Stale == ok -> 0; true -> couch_db:get_update_seq(Db) end,
      {ok, Pid} = gen_server:call(couch_view, {get_group_server, DbName, Group0}),
  
negative.code:         include_docs = IncludeDocs,
          stale = Stale,
          view_type = ViewType,
          extra = Extra
      } = QueryArgs,
      set_io_priority(DbName, Extra),
      MinSeq = if Stale == ok -> 0; true -> couch_db:get_update_seq(Db) end,
      Group0 = couch_view_group:design_doc_to_view_group(DDoc),
      {ok, Pid} = gen_server:call(couch_view, {get_group_server, DbName, Group0}),
  