Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754842Ab1C1RAB (ORCPT ); Mon, 28 Mar 2011 13:00:01 -0400 Received: from smtp-out.google.com ([74.125.121.67]:4194 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753491Ab1C1Q76 convert rfc822-to-8bit (ORCPT ); Mon, 28 Mar 2011 12:59:58 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=google.com; s=beta; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=xDQ8lZRzDJNG4ge/TuzjqJjijvM6ALauZH7C6Q7xO3OwC82RCEyTQnD6eG9WN3DiqV oyr9at9+ZNLz55JlRntg== MIME-Version: 1.0 In-Reply-To: <20110328131503.GA7226@redhat.com> References: <1300756245-12380-1-git-send-email-ctalbott@google.com> <20110322150905.GD3757@redhat.com> <20110322181231.GJ3757@redhat.com> <20110323204146.GK13315@redhat.com> <20110325213202.GB21593@redhat.com> <20110328131503.GA7226@redhat.com> Date: Mon, 28 Mar 2011 09:59:54 -0700 Message-ID: Subject: Re: [PATCH 0/3] cfq-iosched: Fair cross-group preemption From: Chad Talbott To: Vivek Goyal Cc: Gui Jianfeng , jaxboe@fusionio.com, linux-kernel@vger.kernel.org, mrubin@google.com, teravest@google.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 932 Lines: 20 On Mon, Mar 28, 2011 at 6:15 AM, Vivek Goyal wrote: > On Fri, Mar 25, 2011 at 04:53:13PM -0700, Chad Talbott wrote: >> Also, we'll soon be working to adopt the hierarchy series, and we'll >> likely revisit using an RT service tree there. ?It's difficult to >> justify introducing RT service tree before those patches arrive. > > So once you move to hierachicy series, will be you using RT class and > use throttling and abandon this functionality? I'll certainly investigate using RT class and throttling, but it's too early to know. It's a known change in behavior, so it will need testing (as well as the user-space work to handle the different interface). Chad -- 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/