From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265572AbUEZM7b (ORCPT ); Wed, 26 May 2004 08:59:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265576AbUEZM7b (ORCPT ); Wed, 26 May 2004 08:59:31 -0400 Received: from 0x63.nu ([62.65.122.157]:53219 "EHLO gagarin.0x63.nu") by vger.kernel.org with ESMTP id S265572AbUEZM72 (ORCPT ); Wed, 26 May 2004 08:59:28 -0400 Date: Wed, 26 May 2004 14:59:14 +0200 From: Anders Gustafsson To: Jens Axboe Cc: Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: 2.6.6-mm5 Message-ID: <20040526125914.GB2629@chernushka> References: <20040522013636.61efef73.akpm@osdl.org> <20040526124158.GA3679@h55p111.delphi.afb.lu.se> <20040526124944.GQ5322@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040526124944.GQ5322@suse.de> User-Agent: Mutt/1.5.6i X-Scanner: exiscan *1BSy04-0001Os-00*PugezGjeIoA*0x63.nu Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 26, 2004 at 02:49:44PM +0200, Jens Axboe wrote: > But they need to be bisabled, since -o barrier doesn't work on SCSI yet. > Only non-data tagged flushes are supported, those from > blkdev_issue_flush(). :( Is the problem in the scsi drivers or at a higher level? Would really like to have them unbisabled, got a huge speed improvement in a logging-application with barriers when tested on IDE. anders