From: Frank Mayhar Subject: Re: [PATCH 1/1] Allow ext4 to run without a journal. Date: Mon, 15 Dec 2008 09:35:55 -0800 Message-ID: <1229362555.19828.2.camel@bobble.smo.corp.google.com> References: <1228953270.14314.15.camel@bobble.smo.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit To: linux-ext4@vger.kernel.org Return-path: Received: from smtp-out.google.com ([216.239.45.13]:58197 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751745AbYLORf7 (ORCPT ); Mon, 15 Dec 2008 12:35:59 -0500 Received: from zps77.corp.google.com (zps77.corp.google.com [172.25.146.77]) by smtp-out.google.com with ESMTP id mBFHZw4V024369 for ; Mon, 15 Dec 2008 09:35:58 -0800 In-Reply-To: <1228953270.14314.15.camel@bobble.smo.corp.google.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Wed, 2008-12-10 at 15:54 -0800, Frank Mayhar wrote: > A few weeks ago I posted a patch for discussion that allowed ext4 to run > without a journal. Since that time I've integrated the excellent > comments from Andreas and fixed several serious bugs. We're currently > running with this patch and generating some performance numbers against > both ext2 (with backported reservations code) and ext4 with and without > a journal. It just so happens that running without a journal is > slightly faster for most everything. Has anyone had a chance to take a look at this? Andreas? Ted? Anyone? -- Frank Mayhar Google, Inc.