From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fw7a-meaghan.wadns.net ([41.185.62.72]:56090 "EHLO fw7a.wadns.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752250AbaJBSjE (ORCPT ); Thu, 2 Oct 2014 14:39:04 -0400 Received: from lnxwebr01.cpt.wa.co.za ([41.185.8.51]) by fw7a.wadns.net with esmtp (Exim 4.80) (envelope-from ) id 1XZlH9-0000rf-5q for linux-btrfs@vger.kernel.org; Thu, 02 Oct 2014 20:38:58 +0200 Received: from [196.215.171.153] (port=49526 helo=[192.168.88.35]) by lnxwebr01.cpt.wa.co.za with esmtpsa (TLSv1:DHE-RSA-CAMELLIA256-SHA:256) (Exim 4.82) (envelope-from ) id 1XZlH8-0041TA-0f for linux-btrfs@vger.kernel.org; Thu, 02 Oct 2014 20:38:50 +0200 Message-ID: <542D9BB9.40507@swiftspirit.co.za> Date: Thu, 02 Oct 2014 20:38:49 +0200 From: Brendan Hide MIME-Version: 1.0 To: linux-btrfs@vger.kernel.org Subject: Re: btrfs check segfaults after flipping 2 Bytes References: <542C6443.1010809@niklasfi.de> <542CE7CC.4020904@swiftspirit.co.za> In-Reply-To: <542CE7CC.4020904@swiftspirit.co.za> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 2014/10/02 07:51, Brendan Hide wrote: > On 2014/10/02 01:31, Duncan wrote: > [snip] > > I'm not sure if there is a mount option for this use case however. The > option descriptions for "nodatasum" and "nodatacow" imply that *new* > checksums are not generated. In this case the checksums already exist. > Looks like btrfsck has a relevant option, albeit likely more destructive than absolutely necessary: --init-csum-tree create a new CRC tree. ^ Also, mail was sent as HTML 12 hours ago thus was never delivered. Thunderbird has been disciplined. -- __________ Brendan Hide http://swiftspirit.co.za/ http://www.webafrica.co.za/?AFF1E97