From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S275267AbTHGKBX (ORCPT ); Thu, 7 Aug 2003 06:01:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S275271AbTHGKBX (ORCPT ); Thu, 7 Aug 2003 06:01:23 -0400 Received: from smtp-out1.iol.cz ([194.228.2.86]:54711 "EHLO smtp-out1.iol.cz") by vger.kernel.org with ESMTP id S275267AbTHGKBW (ORCPT ); Thu, 7 Aug 2003 06:01:22 -0400 Date: Thu, 7 Aug 2003 12:01:05 +0200 From: Pavel Machek To: Jens Axboe Cc: cb-lkml@fish.zetnet.co.uk, kernel list Subject: Re: Disk priority dependend on nice level... Message-ID: <20030807100104.GA166@elf.ucw.cz> References: <20030806232810.GA1623@elf.ucw.cz> <20030807055754.GP7982@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030807055754.GP7982@suse.de> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.3i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > I ported `subj` to 2.6.0-test2. I do not yet have idea if it works, > > but it compiles ;-). > > This wont do much, you might as well forget it. Disk priorities is far > more work than you appear to think :) This was not my patch, I only ported it. I'm not heading for "perfect" disk priorities (not now :-), but having something with at least measurable effect would be nice. For a start "niced processes get starved during I/O" should do the trick. (And it would help my lingvistics workloads). Pavel -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?]