From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 8 Nov 2002 02:59:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 8 Nov 2002 02:59:40 -0500 Received: from ns.virtualhost.dk ([195.184.98.160]:40112 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id ; Fri, 8 Nov 2002 02:59:40 -0500 Date: Fri, 8 Nov 2002 09:05:58 +0100 From: Jens Axboe To: Adam Kropelin Cc: Andrew Morton , MdkDev , linux-kernel@vger.kernel.org Subject: Re: 2.5.46: ide-cd cdrecord success report Message-ID: <20021108080558.GR32005@suse.de> References: <32851.62.65.205.175.1036691341.squirrel@webmail.starman.ee> <20021107180709.GB18866@www.kroptech.com> <32894.62.65.205.175.1036692849.squirrel@webmail.starman.ee> <20021108015316.GA1041@www.kroptech.com> <3DCB1D09.EE25507D@digeo.com> <20021108024905.GA10246@www.kroptech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20021108024905.GA10246@www.kroptech.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 07 2002, Adam Kropelin wrote: > > Try changing drivers/block/deadline-iosched.c:fifo_batch to 16. > > Works! A 12x burn succeeded with a parallell dd *and* and make -j20. > Overall disk throughput suffered by a couple MB/s but there was a solid > 2 MB/s left for the recorder. Ok I'm just about convinced now, I'll make 16 the default batch count. I'm very happy to hear that the deadline scheduler gets the job done there. -- Jens Axboe