From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 560B3C63777 for ; Thu, 19 Nov 2020 21:33:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E0F322226 for ; Thu, 19 Nov 2020 21:33:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726463AbgKSVdQ (ORCPT ); Thu, 19 Nov 2020 16:33:16 -0500 Received: from mx2.suse.de ([195.135.220.15]:49644 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725877AbgKSVdQ (ORCPT ); Thu, 19 Nov 2020 16:33:16 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 05156AD4A; Thu, 19 Nov 2020 21:33:14 +0000 (UTC) Received: by ds.suse.cz (Postfix, from userid 10065) id 7F3E2DA701; Thu, 19 Nov 2020 22:31:27 +0100 (CET) Date: Thu, 19 Nov 2020 22:31:27 +0100 From: David Sterba To: Naohiro Aota Cc: linux-btrfs@vger.kernel.org, dsterba@suse.com, hare@suse.com, linux-fsdevel@vger.kernel.org, Jens Axboe , Christoph Hellwig , "Darrick J. Wong" , Damien Le Moal , Anand Jain , Johannes Thumshirn Subject: Re: [PATCH v10 03/41] btrfs: introduce ZONED feature flag Message-ID: <20201119213127.GS20563@twin.jikos.cz> Reply-To: dsterba@suse.cz Mail-Followup-To: dsterba@suse.cz, Naohiro Aota , linux-btrfs@vger.kernel.org, dsterba@suse.com, hare@suse.com, linux-fsdevel@vger.kernel.org, Jens Axboe , Christoph Hellwig , "Darrick J. Wong" , Damien Le Moal , Anand Jain , Johannes Thumshirn References: <5abeb08ecb3fe5776b359d318641ef5078467070.1605007036.git.naohiro.aota@wdc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5abeb08ecb3fe5776b359d318641ef5078467070.1605007036.git.naohiro.aota@wdc.com> User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Tue, Nov 10, 2020 at 08:26:06PM +0900, Naohiro Aota wrote: > This patch introduces the ZONED incompat flag. The flag indicates that the > volume management will satisfy the constraints imposed by host-managed > zoned block devices. > > Signed-off-by: Damien Le Moal > Signed-off-by: Naohiro Aota > Reviewed-by: Anand Jain > Reviewed-by: Johannes Thumshirn > --- > fs/btrfs/sysfs.c | 2 ++ > include/uapi/linux/btrfs.h | 1 + > 2 files changed, 3 insertions(+) > > diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c > index 279d9262b676..828006020bbd 100644 > --- a/fs/btrfs/sysfs.c > +++ b/fs/btrfs/sysfs.c > @@ -263,6 +263,7 @@ BTRFS_FEAT_ATTR_INCOMPAT(no_holes, NO_HOLES); > BTRFS_FEAT_ATTR_INCOMPAT(metadata_uuid, METADATA_UUID); > BTRFS_FEAT_ATTR_COMPAT_RO(free_space_tree, FREE_SPACE_TREE); > BTRFS_FEAT_ATTR_INCOMPAT(raid1c34, RAID1C34); > +BTRFS_FEAT_ATTR_INCOMPAT(zoned, ZONED); > + BTRFS_FEAT_ATTR_PTR(zoned), As we're going to add zoned support incrementally, we can't advertise the support in sysfs until it's feature complete. Until then it's going to be under CONFIG_BTRFS_DEBUG. This has been folded to this patch and changelog updated.