From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932288AbWDYSd4 (ORCPT ); Tue, 25 Apr 2006 14:33:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932285AbWDYSd4 (ORCPT ); Tue, 25 Apr 2006 14:33:56 -0400 Received: from mail.linicks.net ([217.204.244.146]:8617 "EHLO linux233.linicks.net") by vger.kernel.org with ESMTP id S932288AbWDYSdz (ORCPT ); Tue, 25 Apr 2006 14:33:55 -0400 From: Nick Warne To: Jens Axboe Subject: Re: scheduler question 2.6.16.x Date: Tue, 25 Apr 2006 19:33:48 +0100 User-Agent: KMail/1.9.1 Cc: linux-kernel@vger.kernel.org References: <200604251905.19004.nick@linicks.net> <20060425181530.GQ4102@suse.de> In-Reply-To: <20060425181530.GQ4102@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200604251933.48363.nick@linicks.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 25 April 2006 19:15, Jens Axboe wrote: > > But I can build both in... so I guess then the kernel decides what is > > the best to use? Or should it be so I am only allowed to select one > > or the other and allowing both is an oversight? > > See the option no more than two lines down from that, default io > scheduler. Also see Documentation/block/switching-sched.txt and/or > Documentation/kernel-parameters.txt (elevator=) section. Hi Jens, I haven't got the switching-sched.txt, although I found a sched-design.txt... but what I meant was if I select whatever default, do/can I still need to select either/or scheduler? i.e. why doesn't 'default selection option' only allow that scheduler to be selected? Nick -- "Person who say it cannot be done should not interrupt person doing it." -Chinese Proverb