From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:8734 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752028AbbBWTkB convert rfc822-to-8bit (ORCPT ); Mon, 23 Feb 2015 14:40:01 -0500 Date: Mon, 23 Feb 2015 14:39:54 -0500 From: Chris Mason Subject: Re: Suddenly cannot change metadata profile any longer (BISECTED) To: Holger =?iso-8859-1?q?Hoffst=E4tte?= CC: Message-ID: <1424720394.23448.1@mail.thefacebook.com> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Sun, Feb 22, 2015 at 1:01 PM, Holger Hoffstätte wrote: > On Mon, 16 Feb 2015 15:18:40 +0000, Holger Hoffstätte wrote: > >>> What works is the very first balance after the mkfs - it >>> successfully >>> changes from the initial default dup to single, but subsequent >>> balances >>> don't work. They also don't really fail. >> >> Bisection found that commit >> 2f0810880f082fa8ba66ab2c33b02e4ff9770a5e [1] >> in the integration tree is the cause: >> >> btrfs: delete chunk allocation attemp when setting block group ro >> >> Reverting/omitting this patch lets me rebalance/convert at will. > > Just for the list archives: Chris mailed me privately that they could > reproduce the problem and will provide a fix post-3.20-rc1 > (since that commit already went in with the merge window). Apparently reply-to-all is harder than it looks. Thanks for forwarding this along. -chris