Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270452AbTGMXsw (ORCPT ); Sun, 13 Jul 2003 19:48:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270457AbTGMXsw (ORCPT ); Sun, 13 Jul 2003 19:48:52 -0400 Received: from verdi.et.tudelft.nl ([130.161.38.158]:22144 "EHLO verdi.et.tudelft.nl") by vger.kernel.org with ESMTP id S270452AbTGMXss (ORCPT ); Sun, 13 Jul 2003 19:48:48 -0400 Date: Mon, 14 Jul 2003 02:03:24 +0200 From: Rob van Nieuwkerk To: Jamie Lokier , Jeff Garzik , Andrew Morton , davej@codemonkey.org.uk, linux-kernel@vger.kernel.org Cc: Rob van Nieuwkerk Subject: Re: 2.5 'what to expect' Message-ID: <20030714000324.GA29094@verdi.et.tudelft.nl> References: <20030711140219.GB16433@suse.de> <20030712152406.GA9521@mail.jlokier.co.uk> <3F103018.6020008@pobox.com> <20030712112722.55f80b60.akpm@osdl.org> <20030712183929.GA10450@mail.jlokier.co.uk> <3F105B9A.7070803@pobox.com> <20030712193401.GD10450@mail.jlokier.co.uk> <3F1063AD.40206@pobox.com> <20030712194624.GF10450@mail.jlokier.co.uk> <20030713085118.V4482@schatzie.adilger.int> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030713085118.V4482@schatzie.adilger.int> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 720 Lines: 18 On Sun, Jul 13, 2003 at 08:51:18AM -0700, Andreas Dilger wrote: > ext3 in 2.4 kernels does not support O_DIRECT. To confuse matters, > recent RH kernels silently ignore O_DIRECT if you are not root, so > you may think O_DIRECT is being used, but it isn't. Modern RH kernels also ignore O_DIRECT if you are root: O_DIRECT is completely disabled/ignored. I suspect it is because gcc-3.2.2-5 (in RH9) does not compile 2.4 O_DIRECT correctly .. greetings, Rob van Nieuwkerk - 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/