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 BEA5DC4320E for ; Fri, 30 Jul 2021 06:01:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A6E9A60F00 for ; Fri, 30 Jul 2021 06:01:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237244AbhG3GBJ (ORCPT ); Fri, 30 Jul 2021 02:01:09 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:34982 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229999AbhG3GBJ (ORCPT ); Fri, 30 Jul 2021 02:01:09 -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 867761FDB1; Fri, 30 Jul 2021 06:01:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1627624863; 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=1xHOP8ZRZex6z6cQJzGtenvi+uTP2BbtR83yGHCWjxk=; b=XWYkUrlCx11IaPtjvIhwa4sC9iIzgCm6D0QPPFd8XWiw93pacsxM9c5opDnYUaxBDU6uFm AMErkFZd2aqqfFBcQ5l1vt8nosGRwct3AFJ1iHxjMQZWkg/A0HiuCa8nWAZDUhg2fRinKV pDwkYrRQFzU0bsHOdOPAJFOU0CueHzo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1627624863; 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=1xHOP8ZRZex6z6cQJzGtenvi+uTP2BbtR83yGHCWjxk=; b=ZGJWj+0Y2iDQNAaAVBGvjSNO5ccFMjcmROL4vNWbobPjmB2zXp0IadgO9h/6aZv/7oNnN9 ROP98cwA2ZPbuwBQ== 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 974A113BF9; Fri, 30 Jul 2021 06:00:59 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id JKVLFZuVA2GvAQAAMHmgww (envelope-from ); Fri, 30 Jul 2021 06:00:59 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 From: "NeilBrown" To: "Qu Wenruo" Cc: "Zygo Blaxell" , "Neal Gompa" , "Wang Yugui" , "Christoph Hellwig" , "Josef Bacik" , "J. Bruce Fields" , "Chuck Lever" , "Chris Mason" , "David Sterba" , "Alexander Viro" , "linux-fsdevel" , linux-nfs@vger.kernel.org, "Btrfs BTRFS" Subject: Re: [PATCH/RFC 00/11] expose btrfs subvols in mount table correctly In-reply-to: <046c96cd-f2a5-be04-e7b5-012e896c5816@gmx.com> References: <162742539595.32498.13687924366155737575.stgit@noble.brown>, <20210728125819.6E52.409509F4@e16-tech.com>, <20210728140431.D704.409509F4@e16-tech.com>, <162745567084.21659.16797059962461187633@noble.neil.brown.name>, , <162751265073.21659.11050133384025400064@noble.neil.brown.name>, <20210729023751.GL10170@hungrycats.org>, <162752976632.21659.9573422052804077340@noble.neil.brown.name>, <20210729232017.GE10106@hungrycats.org>, <162761259105.21659.4838403432058511846@noble.neil.brown.name>, <341403c0-a7a7-f6c8-5ef6-2d966b1907a8@gmx.com>, <046c96cd-f2a5-be04-e7b5-012e896c5816@gmx.com> Date: Fri, 30 Jul 2021 16:00:54 +1000 Message-id: <162762485406.21659.16909119511605460065@noble.neil.brown.name> Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org T24gRnJpLCAzMCBKdWwgMjAyMSwgUXUgV2VucnVvIHdyb3RlOgo+IAo+IE9uIDIwMjEvNy8zMCDk uIvljYgxOjI1LCBRdSBXZW5ydW8gd3JvdGU6Cj4gPgo+ID4KPiA+IE9uIDIwMjEvNy8zMCDkuIrl jYgxMDozNiwgTmVpbEJyb3duIHdyb3RlOgo+ID4+Cj4gPj4gSSd2ZSBiZWVuIHBvbmRlcmluZyBh bGwgdGhlIGV4Y2VsbGVudCBmZWVkYmFjaywgYW5kIHdoYXQgSSBoYXZlIGxlYXJudAo+ID4+IGZy b20gZXhhbWluaW5nIHRoZSBjb2RlIGluIGJ0cmZzLCBhbmQgSSBoYXZlIGRldmVsb3BlZCBhIGRp ZmZlcmVudAo+ID4+IHBlcnNwZWN0aXZlLgo+ID4KPiA+IEdyZWF0ISBTb21lIG5ldyBkZXZlbG9w ZXJzIGludG8gdGhlIGJ0cmZzIHJlYWxtIQo+ID4KPiA+Pgo+ID4+IE1heWJlICJzdWJ2b2wiIGlz IGEgcG9vciBjaG9pY2Ugb2YgbmFtZSBiZWNhdXNlIGl0IGNvbmp1cmVzIHVwCj4gPj4gY29ubmVj dGlvbnMgd2l0aCB0aGUgVm9sdW1lcyBpbiBMVk0sIGFuZCBidHJmcyBzdWJ2b2xzIGFyZSB2ZXJ5 IGRpZmZlcmVudAo+ID4+IHRoaW5ncy7CoCBCdHJmcyBzdWJ2b2xzIGFyZSByZWFsbHkganVzdCBz dWJ0cmVlcyB0aGF0IGNhbiBiZSB0cmVhdGVkIGFzIGEKPiA+PiB1bml0IGZvciBvcGVyYXRpb25z IGxpa2UgImNsb25lIiBvciAiZGVzdHJveSIuCj4gPj4KPiA+PiBBcyBzdWNoLCB0aGV5IGRvbid0 IHJlYWxseSBkZXNlcnZlIHNlcGFyYXRlIHN0X2RldiBudW1iZXJzLgo+ID4+Cj4gPj4gTWF5YmUg dGhlIGRpZmZlcmVudCBzdF9kZXYgbnVtYmVycyB3ZXJlIGludHJvZHVjZWQgYXMgYSAiY2hlYXAi IHdheSB0bwo+ID4+IGV4dGVuZCB0byBzaXplIG9mIHRoZSBpbm9kZS1udW1iZXIgc3BhY2UuwqAg TGlrZSBtYW55ICJjaGVhcCIgdGhpbmdzLCBpdAo+ID4+IGhhcyBoaWRkZW4gY29zdHMuCj4gCj4g Rm9yZ290IGFub3RoZXIgcHJvYmxlbSBhbHJlYWR5IGNhdXNlZCBieSB0aGlzIHN0X2RldiBtZXRo b2QuCj4gCj4gU2luY2UgYnRyZnMgdXNlcyBzdF9kZXYgdG8gZGlzdGluZ3Vpc2ggdGhlbSBpdHMg aW5vZGUgbmFtZSBzcGFjZSwgYW5kCj4gc3RfZGV2IGlzIGFsbG9jYXRlZCB1c2luZyBhbm9ueW1v dXMgYmRldiwgYW5kIHRoZSBhbm9ueW1vdXMgYmRldiBwb29yCj4gaGFzIGxpbWl0ZWQgc2l6ZSAo bXVjaCBzbWFsbGVyIHRoYW4gYnRyZnMgc3Vidm9sdW1lIGlkIG5hbWUgc3BhY2UpLCBpdCdzCj4g YWxyZWFkeSBjYXVzaW5nIHByb2JsZW1zIGxpa2Ugd2UgY2FuJ3QgYWxsb2NhdGUgZW5vdWdoIGFu b255bW91cyBiZGV2Cj4gZm9yIGVhY2ggc3Vidm9sdW1lLCBhbmQgZmFpbGVkIHRvIGNyZWF0ZSBz dWJ2b2x1bWUvc25hcHNob3QuCgpXaGF0IHNvcnQgb2YgbnVtYmVycyBkbyB5b3Ugc2VlIGluIHBy YWN0aWNlPyBIb3cgbWFueSBzdWJ2b2x1bWVzIGFuZCBob3cKbWFueSBpbm9kZXMgcGVyIHN1YnZv bHVtZT8KSWYgd2UgYWxsb2NhdGVkIHNvbWUgbnVtYmVyIG9mIGJpdHMgdG8gZWFjaCwgd2l0aCBv dmVyLWFsbG9jYXRpb24gdG8KYWxsb3cgZm9yIGdyb3d0aCwgY291bGQgd2UgZml0IGJvdGggaW50 byA2NCBiaXRzPwoKTmVpbEJyb3duCgoKPiAKPiBUaHVzIGl0J3MgcmVhbGx5IGEgdGltZSB0byBy ZS1jb25zaWRlciBob3cgd2Ugc2hvdWxkIGV4cG9ydCB0aGlzIGluZm8gdG8KPiB1c2VyIHNwYWNl Lgo+IAo+IFRoYW5rcywKPiBRdQo+IAo=