Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752532Ab0AGNof (ORCPT ); Thu, 7 Jan 2010 08:44:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752365Ab0AGNoe (ORCPT ); Thu, 7 Jan 2010 08:44:34 -0500 Received: from ey-out-2122.google.com ([74.125.78.26]:25076 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752275Ab0AGNod convert rfc822-to-8bit (ORCPT ); Thu, 7 Jan 2010 08:44:33 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=d6QxPWj3kPMWnHsq2X1aa7dSiRqauMAlxqJeUb2ei1Yx/TrCX2z4ZPXseFuEgXhTYU BF0U5mjtnarKPCoLGBPVRw0O69nIZf9QFH7MiTg7+P3hStCgoOIm9ta5w+4umrbJaw6q qEg1nXfTH9CBGj/rzrR/ep5cQeVWAzVqyiZ1I= MIME-Version: 1.0 In-Reply-To: References: <20091224005506.GA7879@sli10-desk.sh.intel.com> <4e5e476b0912250216n2b4aceacyf22a0e73425efd3a@mail.gmail.com> <20091228020348.GB28115@sli10-desk.sh.intel.com> <4e5e476b0912280036r6e55587dj66952fcd6ff4d08b@mail.gmail.com> <20091228084659.GA31389@sli10-desk.sh.intel.com> <4e5e476b0912280111s6a977251m3416341b4bd2c272@mail.gmail.com> <20091228092844.GA9710@sli10-desk.sh.intel.com> Date: Thu, 7 Jan 2010 14:44:32 +0100 Message-ID: <4e5e476b1001070544w88a387dkfb48847f4f95a9b1@mail.gmail.com> Subject: Re: [PATCH]cfq-iosched: don't take requests with long distence as close From: Corrado Zoccolo To: Jeff Moyer Cc: Shaohua Li , "linux-kernel@vger.kernel.org" , "jens.axboe@oracle.com" , "Zhang, Yanmin" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 698 Lines: 17 On Tue, Jan 5, 2010 at 10:16 PM, Jeff Moyer wrote: > > For now, I'm leaning towards asking Jens to revert this.  It may still > be worth making sure that we don't merge a seeky queue with a non-seeky > queue.  I have a patch for that if folks are interested. Jeff, can you send this patch to Yanmin, that is investigating a regression apparently caused by excessive queue merge? http://lkml.org/lkml/2010/1/4/194 Cheers, Corrado -- 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/