From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753582AbZDQU0S (ORCPT ); Fri, 17 Apr 2009 16:26:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752033AbZDQU0E (ORCPT ); Fri, 17 Apr 2009 16:26:04 -0400 Received: from one.firstfloor.org ([213.235.205.2]:49898 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751666AbZDQU0E (ORCPT ); Fri, 17 Apr 2009 16:26:04 -0400 Date: Fri, 17 Apr 2009 22:29:08 +0200 From: Andi Kleen To: Folkert van Heusden Cc: Mark Lord , Andi Kleen , Anton Ertl , linux-kernel@vger.kernel.org Subject: Re: Out-of-order writing by disk drives Message-ID: <20090417202908.GR14687@one.firstfloor.org> References: <87r5zv72cl.fsf@basil.nowhere.org> <20090414172406.GX14687@one.firstfloor.org> <49E4CA75.902@rtr.ca> <20090417194646.GC10554@vanheusden.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090417194646.GC10554@vanheusden.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > What about iSCSI? Does it support barriers? iSCSI uses just SCSI as the high level protocol as the name implies and that supports barriers. But it of course always depends on the backend storage device and the particular driver. -Andi -- ak@linux.intel.com -- Speaking for myself only.