From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S272765AbTHFJt1 (ORCPT ); Wed, 6 Aug 2003 05:49:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270697AbTHFJt1 (ORCPT ); Wed, 6 Aug 2003 05:49:27 -0400 Received: from [81.193.98.149] ([81.193.98.149]:12672 "HELO puma-vgertech.no-ip.com") by vger.kernel.org with SMTP id S272765AbTHFJt0 (ORCPT ); Wed, 6 Aug 2003 05:49:26 -0400 Message-ID: <3F30CFC1.1090205@toxyn.org> Date: Wed, 06 Aug 2003 10:52:01 +0100 From: RaTao User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030714 Debian/1.4-2 X-Accept-Language: en-us, pt MIME-Version: 1.0 To: Andrew Morton , linux-kernel@vger.kernel.org Subject: linux-2.6.0-linux-kernel@vger.kernel.orgtest2-mm4 O_DIRECT Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! While testing linux-2.6.0-test2-mm4 I noticed two things: - O_DIRECT doesn't work, at least in ext3, with block size different from filesystem's blocksize. (It doesn't work with 512 bs, at least). This works in 2.6.0-test2, from 512 to 4096. - vmstat doesn't show bi/bo for O_DIRECT's disk access. Tested with filesystem's bs alignment. This works in 2.6.0-test2. (This one can be a feature, not a bug. But I really don't know) Just to let you know! :) If I can help with something feel free to ask. I tried to review -mm4 but it's too big for me so I can't point where the "problem" is... Anyway, I suspect the AIO stuff ;) Have fun, RaTao