From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:36440 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752070AbbBVSFE (ORCPT ); Sun, 22 Feb 2015 13:05:04 -0500 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1YPatq-0000jX-Hk for linux-btrfs@vger.kernel.org; Sun, 22 Feb 2015 19:05:02 +0100 Received: from pd953e69f.dip0.t-ipconnect.de ([217.83.230.159]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 22 Feb 2015 19:05:02 +0100 Received: from holger.hoffstaette by pd953e69f.dip0.t-ipconnect.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 22 Feb 2015 19:05:02 +0100 To: linux-btrfs@vger.kernel.org From: Holger =?iso-8859-1?q?Hoffst=E4tte?= Subject: Re: Suddenly cannot change metadata profile any longer (BISECTED) Date: Sun, 22 Feb 2015 18:01:07 +0000 (UTC) Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: 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). -h