Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752848AbZJDWQY (ORCPT ); Sun, 4 Oct 2009 18:16:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751973AbZJDWQX (ORCPT ); Sun, 4 Oct 2009 18:16:23 -0400 Received: from mail.gmx.net ([213.165.64.20]:54012 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751815AbZJDWQX (ORCPT ); Sun, 4 Oct 2009 18:16:23 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX18PCTYJnSQPIYj97P8iIhEsbKroa13ndvfAoLNi7t H3nNGyhK9pfriy Subject: Re: Do not overload dispatch queue (Was: Re: IO scheduler based IO controller V10) From: Mike Galbraith To: Jens Axboe Cc: Vivek Goyal , Ingo Molnar , Linus Torvalds , Ulrich Lukas , linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org, dm-devel@redhat.com, nauman@google.com, dpshah@google.com, lizf@cn.fujitsu.com, mikew@google.com, fchecconi@gmail.com, paolo.valente@unimore.it, ryov@valinux.co.jp, fernando@oss.ntt.co.jp, jmoyer@redhat.com, dhaval@linux.vnet.ibm.com, balbir@linux.vnet.ibm.com, righi.andrea@gmail.com, m-ikeda@ds.jp.nec.com, agk@redhat.com, akpm@linux-foundation.org, peterz@infradead.org, jmarchan@redhat.com, riel@redhat.com In-Reply-To: <20091004201708.GJ26573@kernel.dk> References: <1254585420.7539.2.camel@marge.simson.net> <20091003173532.GG31616@kernel.dk> <1254596864.7153.9.camel@marge.simson.net> <20091003192321.GA26573@kernel.dk> <1254599386.7153.46.camel@marge.simson.net> <1254653434.7237.18.camel@marge.simson.net> <20091004173901.GD26573@kernel.dk> <1254680622.27889.2.camel@marge.simson.net> <20091004183822.GF26573@kernel.dk> <1254685638.7637.6.camel@marge.simson.net> <20091004201708.GJ26573@kernel.dk> Content-Type: text/plain Date: Mon, 05 Oct 2009 00:15:27 +0200 Message-Id: <1254694527.7175.14.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-FuHaFi: 0.62 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1107 Lines: 29 On Sun, 2009-10-04 at 22:17 +0200, Jens Axboe wrote: > On Sun, Oct 04 2009, Mike Galbraith wrote: > > On Sun, 2009-10-04 at 20:38 +0200, Jens Axboe wrote: > > > On Sun, Oct 04 2009, Mike Galbraith wrote: > > > > On Sun, 2009-10-04 at 19:39 +0200, Jens Axboe wrote: > > > > > > > > > So I'll commit a change that doesn't do the delay at all, basically it > > > > > just offset the current code by one slice. > > > > > > > > Ok, when it hits block-for-linus, I'll take it out for a spin. > > > > > > It's committed: > > > > > > http://git.kernel.dk/?p=linux-2.6-block.git;a=commit;h=e00c54c36ac2024c3a8a37432e2e2698ff849594 > > > > Looks like a keeper to me :) > > Wonderful, so I take it this passes your 'gut feel' test too? :-) Heh, yeah. Box feels good, disk sounds happy.. none of those little indescribables that make you suddenly go alert. -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/