From: Rich Johnston Subject: Re: [PATCH 07/10] xfstest: add fallocate/truncate vs AIO/DIO stress test Date: Fri, 1 Mar 2013 11:49:35 -0600 Message-ID: <5130EA2F.9080209@sgi.com> References: <1361356935-29153-1-git-send-email-dmonakhov@openvz.org> <1361356935-29153-8-git-send-email-dmonakhov@openvz.org> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Cc: , , , To: Dmitry Monakhov Return-path: Received: from relay3.sgi.com ([192.48.152.1]:40012 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751202Ab3CARte (ORCPT ); Fri, 1 Mar 2013 12:49:34 -0500 In-Reply-To: <1361356935-29153-8-git-send-email-dmonakhov@openvz.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 02/20/2013 04:42 AM, Dmitry Monakhov wrote: > Run DIO, fallocate and truncate threads on a common file in parallel. > If race exist old dio request may rewrite blocks after it was allocated > to another file, we will catch that by verifying blocks content. > > this patch known to catch deadlock for ext4 > http://lists.openwall.net/linux-ext4/2012/09/06/3 > > Signed-off-by: Dmitry Monakhov Looks good. Reviewed-by: Rich Johnston