From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261263AbTIXMGU (ORCPT ); Wed, 24 Sep 2003 08:06:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261276AbTIXMGU (ORCPT ); Wed, 24 Sep 2003 08:06:20 -0400 Received: from dyn-ctb-203-221-73-21.webone.com.au ([203.221.73.21]:50446 "EHLO chimp.local.net") by vger.kernel.org with ESMTP id S261263AbTIXMGT (ORCPT ); Wed, 24 Sep 2003 08:06:19 -0400 Message-ID: <3F7188B9.2080209@cyberone.com.au> Date: Wed, 24 Sep 2003 22:06:17 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030827 Debian/1.4-3 X-Accept-Language: en MIME-Version: 1.0 To: linux-kernel Subject: Re: [PATCH][RFC] runtime selectable IO schedulers References: <3F717E62.5020404@cyberone.com.au> In-Reply-To: <3F717E62.5020404@cyberone.com.au> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Nick Piggin wrote: Err, alloc _outside_ spinlock... make that http://www.kerneltrap.org/~npiggin/elv-select.patch-030924-2 > > Against test5-mm4. This is commented a bit better than the previous > version I sent to Al and Jens. > > sysfs interface is /sys/block/*/queue/io_scheduler. Valid values are > as, deadline, noop, cfq. Switching schedulers under disk load works fine > in my tests. sysfs stuff seems to be working nicely and handles lingering > userspace references properly. > > Review of the kobject / sysfs stuff would be especially helpful. Thanks. > >