From: Ric Wheeler Subject: Re: ext3 default journal mode Date: Mon, 20 Jul 2009 10:32:48 -0400 Message-ID: <4A648010.5070006@redhat.com> References: <4A63DB89.2060306@redhat.com> <20090720141853.GE25193@think> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Ric Wheeler , "linux-ext4@vger.kernel.org" , Theodore Tso , Valerie Aurora , "Stephen C. Tweedie" , Eric Sandeen , Andreas Dilger , Josef Bacik , Mingming Cao To: Chris Mason Return-path: Received: from mx2.redhat.com ([66.187.237.31]:40206 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750780AbZGTOdo (ORCPT ); Mon, 20 Jul 2009 10:33:44 -0400 In-Reply-To: <20090720141853.GE25193@think> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 07/20/2009 10:18 AM, Chris Mason wrote: > On Sun, Jul 19, 2009 at 10:50:49PM -0400, Ric Wheeler wrote: > >> Now that we have put some some distance between us and the mega-thread, I >> think that it is time to put some sanity back into the ext3 journal mode >> options. >> >> My preference is to revert the default back to ordered mode or (if Chris >> is ready) back to guarded mode. >> > > My plan was to get guarded into .30, but that clearly didn't happen. > So, I'll resend this week and try to have it ready for .31, unless > people would rather avoid the changes to the tried and true ext3. > > -chris > I have been thinking that guarded mode might make for a full replacement for writeback mode over time - the more I think about writeback mode, the less I like letting casual users hurt themselves with it. I would be very happy to see guarded mode get resent :-) Any idea how many distros actually ship today with writeback mode as their default? ric