From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f47.google.com ([209.85.220.47]:33912 "EHLO mail-pa0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1034418AbcIVRuR (ORCPT ); Thu, 22 Sep 2016 13:50:17 -0400 Received: by mail-pa0-f47.google.com with SMTP id wk8so31392494pab.1 for ; Thu, 22 Sep 2016 10:50:16 -0700 (PDT) Date: Thu, 22 Sep 2016 10:50:14 -0700 From: Omar Sandoval To: ojab Cc: Hans van Kranenburg , dsterba@suse.cz, "Austin S. Hemmelgarn" , Holger =?iso-8859-1?Q?Hoffst=E4tte?= , linux-btrfs@vger.kernel.org, quwenruo@cn.fujitsu.com, osandov@fb.com Subject: Re: Status of free-space-tree feature Message-ID: <20160922175014.GC4705@vader.DHCP.thefacebook.com> References: <20160921092406.GD16983@twin.jikos.cz> <57E2602C.7050703@applied-asynchrony.com> <85fb7ee0-7f6a-e8a0-46c6-dac12c3e69d2@gmail.com> <20160921203152.GA7694@vader.DHCP.thefacebook.com> <20160922085205.GM16983@suse.cz> <058a4346-16f5-850e-2974-d783a132547b@mendix.com> <20160922172651.GB4705@vader.DHCP.thefacebook.com> <45b54ff1-f226-3994-441c-22003f9dfb95@ojab.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <45b54ff1-f226-3994-441c-22003f9dfb95@ojab.ru> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Thu, Sep 22, 2016 at 05:47:59PM +0000, ojab wrote: > On 2016/09/22 17:26, Omar Sandoval wrote: > > As far as I know, space_cache=v2 isn't documented in the man page, so > > hopefully anyone who managed to find out about it follows the mailing > > list. If someone updates their kernel without updating btrfs-progs, the > > new compat_ro bit will prevent the old version from doing any damage. > > Actually it's documented in `man 5 btrfs`. > > //wbr ojab Ah, thanks. I'll be sure to update that page when I send the btrfs-progs patch. -- Omar