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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 51135C432BE for ; Wed, 28 Jul 2021 07:06:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 327B760F0F for ; Wed, 28 Jul 2021 07:06:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233514AbhG1HGt (ORCPT ); Wed, 28 Jul 2021 03:06:49 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:42440 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233182AbhG1HGs (ORCPT ); Wed, 28 Jul 2021 03:06:48 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id A4C0D20184; Wed, 28 Jul 2021 07:06:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1627456006; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AfT1RNigMB0X8lNElLJC52DFJE8CZLB1bbjI9jWvyrE=; b=ppUYBNGdBKxOuntHL4e7tIFcFojxVgLKKOAo1un/XFpAk9RVMGiBwSVpgjXOn1Cl6jwuU7 e06lNuLOCC4hT1/Y3TBOfDtvK7aUihpcvreAvsVomKzBaIgGcQpV6L3ml5wWMiOoJtWupw XmFMFEKpbutupWr1J1IprhJFUTr5iMs= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1627456006; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AfT1RNigMB0X8lNElLJC52DFJE8CZLB1bbjI9jWvyrE=; b=NGQILfQ9RzmQm4xmwiR3jccC3Kg+aFC+LBztvbWmprJY+7W9aw13two/AVXbC2wYydy3Bb YX9gfDrCecLGjgDw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 70FC413B1B; Wed, 28 Jul 2021 07:06:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 6/5fCwMCAWF+TwAAMHmgww (envelope-from ); Wed, 28 Jul 2021 07:06:43 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 From: "NeilBrown" To: "Wang Yugui" Cc: "Christoph Hellwig" , "Josef Bacik" , "J. Bruce Fields" , "Chuck Lever" , "Chris Mason" , "David Sterba" , "Alexander Viro" , linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-btrfs@vger.kernel.org Subject: Re: [PATCH/RFC 00/11] expose btrfs subvols in mount table correctly In-reply-to: <20210728125819.6E52.409509F4@e16-tech.com> References: <162742539595.32498.13687924366155737575.stgit@noble.brown>, <20210728125819.6E52.409509F4@e16-tech.com> Date: Wed, 28 Jul 2021 17:06:40 +1000 Message-id: <162745600062.21659.13334440659372332769@noble.neil.brown.name> Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Wed, 28 Jul 2021, Wang Yugui wrote: > Hi, > > We no longer need the dummy inode(BTRFS_FIRST_FREE_OBJECTID - 1) in this > patch serials? No. > > I tried to backport it to 5.10.x, but it failed to work. > No big modification in this 5.10.x backporting, and all modified pathes > are attached. I'm not surprised, but I doubt there would be a major barrier to making it work. I'm unlikely to try until I have more positive reviews. Thanks, NeilBrown