From: Matt Subject: Re: ext4: Fix data corruption with multi-block writepages support Date: Fri, 4 Feb 2011 22:40:47 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: Linux Kernel , linux-ext4 To: "Ted Ts'o" Return-path: Received: from mail-fx0-f46.google.com ([209.85.161.46]:37495 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751911Ab1BDWkt (ORCPT ); Fri, 4 Feb 2011 17:40:49 -0500 Sender: linux-ext4-owner@vger.kernel.org List-ID: >Thanks, added to the ext4 patch queue. >I modified the commit description slightly to give credit to Jon >Nelson, who reported the bug and really helped by devising a >reproduceable test case. Many thanks, Jon!! > - Ted So that means that the file-corruption which existed until 2.6.37-rc6 and got triggered (for me) more easily via "dm crypt: scale to multiple CPUs" is fixed now ? That should give ext4 a nice speedup for >=2.6.38 :) Could you also please add an ? Reported-by: Matthias Bayer gmail com > I mainly found it through testing with the mentioned dm-crypt scaling patch and >=2.6.36-git* Thanks & Regards ! Matt