From patchwork Thu Nov 1 12:00:02 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tlinder X-Patchwork-Id: 1684561 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id D1689E00E7 for ; Thu, 1 Nov 2012 12:00:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935298Ab2KAMAS (ORCPT ); Thu, 1 Nov 2012 08:00:18 -0400 Received: from wolverine02.qualcomm.com ([199.106.114.251]:31343 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753725Ab2KAMAM (ORCPT ); Thu, 1 Nov 2012 08:00:12 -0400 X-IronPort-AV: E=McAfee;i="5400,1158,6882"; a="3450450" Received: from pdmz-ns-snip_115_219.qualcomm.com (HELO mostmsg01.qualcomm.com) ([199.106.115.219]) by wolverine02.qualcomm.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 01 Nov 2012 05:00:11 -0700 Received: from lx-tlinder2.qi.qualcomm.com (pdmz-ns-snip_218_1.qualcomm.com [192.168.218.1]) by mostmsg01.qualcomm.com (Postfix) with ESMTPA id 46C8210004BF; Thu, 1 Nov 2012 05:00:09 -0700 (PDT) From: tlinder To: linux-mmc@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, philippedeswert@gmail.com, jengelh@inai.de, jh80.chung@samsung.com, tgih.jun@samsung.com, arnd.bergmann@linaro.org, Tatyana Brokhman , linux-kernel@vger.kernel.org (open list) Subject: [RFC/PATCH v3 2/2] block: compile ROW statically into the kernel Date: Thu, 1 Nov 2012 14:00:02 +0200 Message-Id: <1351771203-31200-1-git-send-email-tlinder@codeaurora.org> X-Mailer: git-send-email 1.7.6 Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org From: Tatyana Brokhman ROW is a new scheduling algorithm. Similar to the existing scheduling algorithms it should be compiled to the kernel statically giving the user the ability to switch to it without kernel recompilation. Signed-off-by: Tatyana Brokhman diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched index 5a747e2..401f42d 100644 --- a/block/Kconfig.iosched +++ b/block/Kconfig.iosched @@ -23,6 +23,7 @@ config IOSCHED_DEADLINE config IOSCHED_ROW tristate "ROW I/O scheduler" + default y ---help--- The ROW I/O scheduler gives priority to READ requests over the WRITE requests when dispatching, without starving WRITE requests.