Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753723AbYJBG5j (ORCPT ); Thu, 2 Oct 2008 02:57:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752294AbYJBG5a (ORCPT ); Thu, 2 Oct 2008 02:57:30 -0400 Received: from one.firstfloor.org ([213.235.205.2]:60802 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752251AbYJBG53 (ORCPT ); Thu, 2 Oct 2008 02:57:29 -0400 To: Andrew Morton Cc: Arjan van de Ven , Jens Axboe , linux-kernel@vger.kernel.org, Alan Cox Subject: Re: [PATCH] Give kjournald a IOPRIO_CLASS_RT io priority From: Andi Kleen References: <20081001200034.65eb67d6@infradead.org> <20081001215638.3a65134c.akpm@linux-foundation.org> Date: Thu, 02 Oct 2008 08:57:24 +0200 In-Reply-To: <20081001215638.3a65134c.akpm@linux-foundation.org> (Andrew Morton's message of "Wed, 1 Oct 2008 21:56:38 -0700") Message-ID: <87fxnfpjqj.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 827 Lines: 25 Andrew Morton writes: > On Wed, 1 Oct 2008 20:00:34 -0700 Arjan van de Ven wrote: > >> Subject: [PATCH] Give kjournald a IOPRIO_CLASS_RT io priority > > You proposed this a while back and it didn't happen and I forget > why and the changelog doesn't mention any of that? XFS tried this some time ago too. I think the issue was that real user supplied RT applications don't want to compete with a "pseudo RT" kjournald. So it would really need a new priority class between RT and normal priority. -Andi -- ak@linux.intel.com -- 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/