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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 97749C76186 for ; Wed, 24 Jul 2019 22:55:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6B4142190F for ; Wed, 24 Jul 2019 22:55:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="BpRWEQrk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729653AbfGXWzu (ORCPT ); Wed, 24 Jul 2019 18:55:50 -0400 Received: from mout.gmx.net ([212.227.17.22]:59065 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728208AbfGXWzu (ORCPT ); Wed, 24 Jul 2019 18:55:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1564008943; bh=InN4d7jUtO/yIaovxbP3RKWWy2zVYfYgWq0LQ3QVKSk=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=BpRWEQrkpTCCe9zzav6Tdh77YbVkBwXywNKvFdIcluYV5fPa1rLUkB5NfujJ3BXrk Fttclw7iSUQOAMZHGbZHQsCQryeLNf9n8HCUHObMn3crP+8gpjIMw5UM6oWs4ImniX qxd52dIeLWghjYPvVrMzVZRYa85hSY5WMetEgAbE= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [0.0.0.0] ([54.250.245.166]) by mail.gmx.com (mrgmx104 [212.227.17.174]) with ESMTPSA (Nemesis) id 1M6DWi-1hjqb810PI-006eDL; Thu, 25 Jul 2019 00:55:43 +0200 Subject: Re: [PATCH] btrfs: extent-tree: Add comment for walk_control to explain how btrfs drops a subvolume. To: Diego Calleja , Qu Wenruo Cc: linux-btrfs@vger.kernel.org References: <20190723075721.9383-1-wqu@suse.com> <3769531.JR3RUOJnLt@archlinux> From: Qu Wenruo Openpgp: preference=signencrypt Autocrypt: addr=quwenruo.btrfs@gmx.com; prefer-encrypt=mutual; keydata= mQENBFnVga8BCACyhFP3ExcTIuB73jDIBA/vSoYcTyysFQzPvez64TUSCv1SgXEByR7fju3o 8RfaWuHCnkkea5luuTZMqfgTXrun2dqNVYDNOV6RIVrc4YuG20yhC1epnV55fJCThqij0MRL 1NxPKXIlEdHvN0Kov3CtWA+R1iNN0RCeVun7rmOrrjBK573aWC5sgP7YsBOLK79H3tmUtz6b 9Imuj0ZyEsa76Xg9PX9Hn2myKj1hfWGS+5og9Va4hrwQC8ipjXik6NKR5GDV+hOZkktU81G5 gkQtGB9jOAYRs86QG/b7PtIlbd3+pppT0gaS+wvwMs8cuNG+Pu6KO1oC4jgdseFLu7NpABEB AAG0IlF1IFdlbnJ1byA8cXV3ZW5ydW8uYnRyZnNAZ214LmNvbT6JAVQEEwEIAD4CGwMFCwkI BwIGFQgJCgsCBBYCAwECHgECF4AWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCWdWCnQUJCWYC bgAKCRDCPZHzoSX+qAR8B/94VAsSNygx1C6dhb1u1Wp1Jr/lfO7QIOK/nf1PF0VpYjTQ2au8 ihf/RApTna31sVjBx3jzlmpy+lDoPdXwbI3Czx1PwDbdhAAjdRbvBmwM6cUWyqD+zjVm4RTG rFTPi3E7828YJ71Vpda2qghOYdnC45xCcjmHh8FwReLzsV2A6FtXsvd87bq6Iw2axOHVUax2 FGSbardMsHrya1dC2jF2R6n0uxaIc1bWGweYsq0LXvLcvjWH+zDgzYCUB0cfb+6Ib/ipSCYp 3i8BevMsTs62MOBmKz7til6Zdz0kkqDdSNOq8LgWGLOwUTqBh71+lqN2XBpTDu1eLZaNbxSI ilaVuQENBFnVga8BCACqU+th4Esy/c8BnvliFAjAfpzhI1wH76FD1MJPmAhA3DnX5JDORcga CbPEwhLj1xlwTgpeT+QfDmGJ5B5BlrrQFZVE1fChEjiJvyiSAO4yQPkrPVYTI7Xj34FnscPj /IrRUUka68MlHxPtFnAHr25VIuOS41lmYKYNwPNLRz9Ik6DmeTG3WJO2BQRNvXA0pXrJH1fN GSsRb+pKEKHKtL1803x71zQxCwLh+zLP1iXHVM5j8gX9zqupigQR/Cel2XPS44zWcDW8r7B0 q1eW4Jrv0x19p4P923voqn+joIAostyNTUjCeSrUdKth9jcdlam9X2DziA/DHDFfS5eq4fEv ABEBAAGJATwEGAEIACYWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCWdWBrwIbDAUJA8JnAAAK CRDCPZHzoSX+qA3xB/4zS8zYh3Cbm3FllKz7+RKBw/ETBibFSKedQkbJzRlZhBc+XRwF61mi f0SXSdqKMbM1a98fEg8H5kV6GTo62BzvynVrf/FyT+zWbIVEuuZttMk2gWLIvbmWNyrQnzPl mnjK4AEvZGIt1pk+3+N/CMEfAZH5Aqnp0PaoytRZ/1vtMXNgMxlfNnb96giC3KMR6U0E+siA 4V7biIoyNoaN33t8m5FwEwd2FQDG9dAXWhG13zcm9gnk63BN3wyCQR+X5+jsfBaS4dvNzvQv h8Uq/YGjCoV1ofKYh3WKMY8avjq25nlrhzD/Nto9jHp8niwr21K//pXVA81R2qaXqGbql+zo Message-ID: Date: Thu, 25 Jul 2019 06:55:38 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <3769531.JR3RUOJnLt@archlinux> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Btz6ce8M9h2pnT38V7UoFblrMV9zMtjAY" X-Provags-ID: V03:K1:785iVbeNl57sXlaS902NHs6yJbbZZlaX+PshrU72+zgRux+4hJY rOme6wzADIx0nOS1MRQ+BzA02Z19cWkAzY+F+RghDJttvZgPzX16IhrKBe4EcT3kgDS2aKJ r5AElv3bk+s0xSB3eRWwBsaci+Uk/vI1C3Tgm2s3hxAiif68v/Uk4Iah7kCBZpk6xK+pR/i owcl+93tJbqFcfE304XZQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:MWPA2rh2QVM=:URQ6B4Wts36BkJtrWtY5Vf tmG9j2oGKHFXO1oLC12zfszSGW9zZm2pccvV4Er1sO7tj277U0i+Blrop9fMwU6EBVzZcCuNy 0WXQY0qXUM16kVBYZRTr0dIKN4+ZR+eFx3atxLYEAGt30LfKozxGP14aD+qQ4P1M7pWW0+MU6 Q+I7jC5m/k2HOoJjnuiiXfBdZ/4PnJrWGVnuFBNRiXVAsK01V5pN5iZzSHDURf3U9/4+IpUrJ 5YgYBJ8UakhpV/YyNdAsv+XILu/QnLIFXIAOdnCQ08lgY3QHCqjpDrJeAdxxGXPt2JwZZ2at6 yVu3kunoqwdiO/MZby5BVsHdEgryabwL/YMY4s2ua5Or8vohTVCcFHKLR/jNhnaI9wd4E7mZi YKXUEHR03oyFF8+9CLOgxOpfWYuxlHXWhkEAAbk2CwEYEzYqerEaE1kMrnmo+FeLE5dJrLxnA 5eo/yQA2B695Fu3KTepbP91Pek0455afTZXnzYxkF/jBzww1nOsf0Tgb1OZ7U3E6QYUkGNnYZ KP9zzdTs2ErwiXUw0s/mLp/N5AqDbS439wfzSWWcjai0pJ9hOEKOe3jqi4GMxdGI8M1YQk1bM Sifqz/+pY+0aWwmPRlNRIwty3CJeW4TlVcHIRIjFChovME32VfzGBJcfcBzCsChx1DnfmlWmN Kt3o0mtt4LK2J0nxXVxLjfnlUy6OR9uyQXUv3hD/ghXn4J9fFAjaruHyXuB2xPk9S56ictxGA 8vbqBNBxSjjmv9Y1iGE8WkPA0ruUVI4OdoWUQF4blDTCbI3xZpYvb9UhT1fYmqwhsGbYQo4xC TAbOFWxVZ/DgnJPTNus2x6MOwyGScQfYq33sQdX0mfKExdLxiRwX4LCh04wRqjpf/xjCbY2xf 70wIaMFKQXYmEWvV90wQdwPpV/CcCvUPhMIQY3N8/MxfqCKi8VfdwbzLdEaEGa2fZueOOuzjR oWY5102QQbJqtdX600fqXlf58EqAJ9BFU/ufzMBDgUuNrKoYQRM2jL6QNMOtKD7piGskEHjsf APrpdQ9XbanFQdfVM/UM0E4Pnocg4dRXVaCP+/nu2DG1o6rPG47c5uvD5hMvTgh/nGHxO11Lz JOmLPrgDwWDwTA= Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --Btz6ce8M9h2pnT38V7UoFblrMV9zMtjAY Content-Type: multipart/mixed; boundary="9o5qTsqPLWvdm8s3JqEZnyKVe2TsGCkkm"; protected-headers="v1" From: Qu Wenruo To: Diego Calleja , Qu Wenruo Cc: linux-btrfs@vger.kernel.org Message-ID: Subject: Re: [PATCH] btrfs: extent-tree: Add comment for walk_control to explain how btrfs drops a subvolume. References: <20190723075721.9383-1-wqu@suse.com> <3769531.JR3RUOJnLt@archlinux> In-Reply-To: <3769531.JR3RUOJnLt@archlinux> --9o5qTsqPLWvdm8s3JqEZnyKVe2TsGCkkm Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2019/7/25 =E4=B8=8A=E5=8D=886:25, Diego Calleja wrote: > El martes, 23 de julio de 2019 9:57:21 (CEST) Qu Wenruo escribi=C3=B3: >> + * A <- tree root, level 2 >> + * / \ >> + * B C <- tree nodes, level 1 >> + * / \ / \ >> + * D E F G <- tree leaves, level 0 >> + * >> + * 1) Basic dropping. >> + * All above tree blocks are owned exclusively. >> + * Drop tree blocks using LRN iteration. >> + * Tree drop sequence is: D E B F C G A. >=20 > Excuse me if I am wrong, but there seems to be a small typo, shouldn't > it be "F G C"? My bad, nice catch! Thanks, Qu --9o5qTsqPLWvdm8s3JqEZnyKVe2TsGCkkm-- --Btz6ce8M9h2pnT38V7UoFblrMV9zMtjAY Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEELd9y5aWlW6idqkLhwj2R86El/qgFAl044eoACgkQwj2R86El /qg2JQgAkEveKLYYs5dhSzzY6Gibp0kwAsQTQxXNTWDKAUiZhu4nq/Fz/SFGytBI bBuvdg3eikZsFyLUoZtU5K5Kr1J50q7d0OybX09qTxUHZCUsaTqNgsnOmp76Jrw5 7HyxyJu3owDLg9eaTjFwuK/tjvV2YSrFFKiCbZblDhkUOy4+WWFrRwUtE055xUSV isvA/xs8AOrKfWVmjB86AsP5D7j4WxXKwfGGAiEi7pvI1g/AcD/oEUD9tPvLnAbq 5QL+xZSxhUdLnRIwL3JoJ5eCzjGKY8falGrVe044aMPJqyED2tTJ+CA2fb5PKA/A ZQKn3azpdiizmiFig5q0pcWYoSrOBg== =2NhI -----END PGP SIGNATURE----- --Btz6ce8M9h2pnT38V7UoFblrMV9zMtjAY--