From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from srv2.trombetti.net ([65.254.53.252]:4635 "EHLO srv2.trombetti.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750850AbaJDKwJ (ORCPT ); Sat, 4 Oct 2014 06:52:09 -0400 Received: from localhost (localhost [127.0.0.1]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: SASL) by srv2.trombetti.net (Postfix) with ESMTPSA id AC590313AF for ; Sat, 4 Oct 2014 07:04:14 -0400 (EDT) Message-ID: <542FD157.9040903@shiftmail.org> Date: Sat, 04 Oct 2014 12:52:07 +0200 From: Bob Marley MIME-Version: 1.0 To: linux-btrfs Subject: Re: Performance reduces with nodatasum References: <542FCB53.1070201@shiftmail.org> <542FCDBA.2020408@shiftmail.org> In-Reply-To: <542FCDBA.2020408@shiftmail.org> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 04/10/2014 12:36, Bob Marley wrote: > On 04/10/2014 12:26, Bob Marley wrote: >> Hello, >> apparently I have found an issue with btrfs > > Sorry I forgot to mention the kernel version: 3.14.19 > not tested with higher versions I just noticed that the page I have linked which also reports the problem http://www.linux-mag.com/id/7308/3/ is dated April 21st, 2009 , with kernel version 2.6.30-rc1 so this problem is not a recent regression but has been there probably since always. So it's likely that it's present also in latest 3.17-rc7 even if I can't check right now. Best regards BM