From: Eric Sandeen Subject: Re: [PATCH] Documentation/filesystems/ext3.txt Date: Tue, 19 May 2009 09:35:16 -0500 Message-ID: <4A12C3A4.90202@redhat.com> References: <20090518212209.17c46cee@digital-domain.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: linux-ext4@vger.kernel.org To: Andrew Clayton Return-path: Received: from mx2.redhat.com ([66.187.237.31]:40777 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752781AbZESOfS (ORCPT ); Tue, 19 May 2009 10:35:18 -0400 In-Reply-To: <20090518212209.17c46cee@digital-domain.net> Sender: linux-ext4-owner@vger.kernel.org List-ID: Andrew Clayton wrote: > Update the ext3 document with the fact that data=writeback is now the > default journaling mode. > > > Signed-off-by: Andrew Clayton > > --- linux-2.6/Documentation/filesystems/ext3.txt.orig 2009-05-18 20:48:27.084220753 +0100 > +++ linux-2.6/Documentation/filesystems/ext3.txt 2009-05-18 20:49:01.023225288 +0100 > @@ -39,11 +39,11 @@ > data=journal All data are committed into the journal prior to being > written into the main file system. > > -data=ordered (*) All data are forced directly out to the main file > +data=ordered All data are forced directly out to the main file > system prior to its metadata being committed to the > journal. > > -data=writeback Data ordering is not preserved, data may be written > +data=writeback (*) Data ordering is not preserved, data may be written > into the main file system after its metadata has been > committed to the journal. If we're updating this documentation, while we're at it we should add that the default is actually controlled by a new kernel config option, and also something along the lines of "this mode will produce file corruption on a power loss or unclean shutdown, and may lead to unintentional information disclosure." -Eric