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=-2.0 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 77AC8C32771 for ; Thu, 16 Jan 2020 00:51:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 456422084D for ; Thu, 16 Jan 2020 00:51:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="bTwsPPXl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729663AbgAPAv6 (ORCPT ); Wed, 15 Jan 2020 19:51:58 -0500 Received: from mout.gmx.net ([212.227.17.22]:43929 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726513AbgAPAv6 (ORCPT ); Wed, 15 Jan 2020 19:51:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1579135913; bh=SvreGx5ZFd7+lfnSVmGEAbKUOM75nb0/Hc30yVRiet8=; h=X-UI-Sender-Class:Subject:To:References:From:Date:In-Reply-To; b=bTwsPPXlJwRzjfsK+xnryDLyigKTAuT4L1Vum+g070plX6tnMZwL8aqmIZMqVYyju ChZpr3+lrxPU/95J+mZ8548J1rIf+MTu3t+J/gZ3s5z+qZWnAz7uE48p/JsoV/yRt4 bbsdKUxgP7VGKC0EHy1zo5X0yAc7BxqS+IGzi1rs= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [0.0.0.0] ([149.28.201.231]) by mail.gmx.com (mrgmx104 [212.227.17.174]) with ESMTPSA (Nemesis) id 1MMGNC-1j7uda4C0s-00JHQb; Thu, 16 Jan 2020 01:51:53 +0100 Subject: Re: Linux swap file not activating after reboot To: Michael Ruiz , linux-btrfs@vger.kernel.org References: <5318295.DvuYhMxLoT@archlinux> From: Qu Wenruo Autocrypt: addr=quwenruo.btrfs@gmx.com; prefer-encrypt=mutual; keydata= mQENBFnVga8BCACyhFP3ExcTIuB73jDIBA/vSoYcTyysFQzPvez64TUSCv1SgXEByR7fju3o 8RfaWuHCnkkea5luuTZMqfgTXrun2dqNVYDNOV6RIVrc4YuG20yhC1epnV55fJCThqij0MRL 1NxPKXIlEdHvN0Kov3CtWA+R1iNN0RCeVun7rmOrrjBK573aWC5sgP7YsBOLK79H3tmUtz6b 9Imuj0ZyEsa76Xg9PX9Hn2myKj1hfWGS+5og9Va4hrwQC8ipjXik6NKR5GDV+hOZkktU81G5 gkQtGB9jOAYRs86QG/b7PtIlbd3+pppT0gaS+wvwMs8cuNG+Pu6KO1oC4jgdseFLu7NpABEB AAG0IlF1IFdlbnJ1byA8cXV3ZW5ydW8uYnRyZnNAZ214LmNvbT6JAU4EEwEIADgCGwMFCwkI BwIGFQgJCgsCBBYCAwECHgECF4AWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCXZw1oQAKCRDC PZHzoSX+qCY6CACd+mWu3okGwRKXju6bou+7VkqCaHTdyXwWFTsr+/0ly5nUdDtT3yEVggPJ 3VP70wjlrxUjNjFb6iIvGYxiPOrop1NGwGYvQktgRhaIhALG6rPoSSAhGNjwGVRw0km0PlIN D29BTj/lYEk+jVM1YL0QLgAE1AI3krihg/lp/fQT53wLhR8YZIF8ETXbClQG1vJ0cllPuEEv efKxRyiTSjB+PsozSvYWhXsPeJ+KKjFen7ebE5reQTPFzSHctCdPnoR/4jSPlnTlnEvLeqcD ZTuKfQe1gWrPeevQzgCtgBF/WjIOeJs41klnYzC3DymuQlmFubss0jShLOW8eSOOWhLRuQEN BFnVga8BCACqU+th4Esy/c8BnvliFAjAfpzhI1wH76FD1MJPmAhA3DnX5JDORcgaCbPEwhLj 1xlwTgpeT+QfDmGJ5B5BlrrQFZVE1fChEjiJvyiSAO4yQPkrPVYTI7Xj34FnscPj/IrRUUka 68MlHxPtFnAHr25VIuOS41lmYKYNwPNLRz9Ik6DmeTG3WJO2BQRNvXA0pXrJH1fNGSsRb+pK EKHKtL1803x71zQxCwLh+zLP1iXHVM5j8gX9zqupigQR/Cel2XPS44zWcDW8r7B0q1eW4Jrv 0x19p4P923voqn+joIAostyNTUjCeSrUdKth9jcdlam9X2DziA/DHDFfS5eq4fEvABEBAAGJ ATwEGAEIACYCGwwWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCXZw1rgUJCWpOfwAKCRDCPZHz oSX+qFcEB/95cs8cM1OQdE/GgOfCGxwgckMeWyzOR7bkAWW0lDVp2hpgJuxBW/gyfmtBnUai fnggx3EE3ev8HTysZU9q0h+TJwwJKGv6sUc8qcTGFDtavnnl+r6xDUY7A6GvXEsSoCEEynby 72byGeSovfq/4AWGNPBG1L61Exl+gbqfvbECP3ziXnob009+z9I4qXodHSYINfAkZkA523JG ap12LndJeLk3gfWNZfXEWyGnuciRGbqESkhIRav8ootsCIops/SqXm0/k+Kcl4gGUO/iD/T5 oagaDh0QtOd8RWSMwLxwn8uIhpH84Q4X1LadJ5NCgGa6xPP5qqRuiC+9gZqbq4Nj Message-ID: <98436ce6-63f4-d618-2c18-e460b16a3a14@gmx.com> Date: Thu, 16 Jan 2020 08:51:50 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <5318295.DvuYhMxLoT@archlinux> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ktH5MWKwpiK5UVUXStgX0VKxT33kyb0IR" X-Provags-ID: V03:K1:Hb5RgwMg60GFc2SXfzcIv7sX8UQiYDo2KQLnJqtj0g5MyP+Jgxl a1WW5yIY+/IYuh8u5pkTDS1oXJ+qnr8Vtl1wCfoIk395bzuH6XKTKPPm6S9mCRDENiarO1r EYlPLwOTt8XoEq0mNiw+9hXVksAAYA2wGpSDQNYccmuT3R/c7ObOPnwbUkIu7vxsFPEZYSp trsV3Pvqy/9K7FU2a2E7w== X-UI-Out-Filterresults: notjunk:1;V03:K0:itq21uZqOtg=:AkZ+HaAC+5BAwLH0PEKtnZ DGEaQXczVWzejx6ZhaMe7c1yZn7WUn9SC+BuVG2D42DzRoSf9pGdZ5Apa+V5sOy51wmQAme0f 3Ar+ZUQUAHQyMhflXeQ+d+H0Y0X6IKIAxVCncsTh29MZynElTz40ScWCBaYb1YjFrQHiKR7Es JIavLRHgN/Q9HNsFrG+AnQ/M3r6hKFXDmAINea9f+i3agOTh3VCNbzZlNROr7KAihJAyZzTMc jioEm2YSPX0HSOdP8ypW0VKvksbTe/UMXZDYkpT0ueaSEPPq7gcD4QDNouIVNmnozmpwtSt0r aoXl0xgeEl4CBtXhBn2FIyshnGuHM7JY4VX4ggKmq+QDW4CVQi2QM9tgKm1h8UHR9kRSMF+jY Ta+aAjsvTFHL/y15JUptGNRnS0bE8Q/Lbzg5oCQjgBTwp4Wlv8zYS/PwKHseZEF4YhdlewQt5 2q1gO7BX4QJ3A4cU23uDI8Le+XQtf1RZnq2cbdWKNsRGRaCyyerJrefOo5sGY3Kjj8Y29n9ZB BejXPyMAUm83OTu1dAujDFbLy83nPlM7y8FNzFzkW/DsL+b5oyZ2FLKuvX8c1f8Ef3THd7U2M o2vexKDhoyPFPkdZ1gXDC22mKozPce6LfAXCN8SmzaQtQpV6A9A3ETI8ulNvBTlLDlz4hKzUV xk64L2A0l2sfjB1mCqYcv9MuH6CWJXYcjb0POeDztlVkSsXtWNQmVPBZPOwBTAal1uR261Eao HjpyqT5c53GGpfvW77t50M/QJ0gG0wVFvCaVdMjkDgDGGoQDz4sobdi53MDnVGTqmvKcl0osu CID/NAMWum2C4jPVXMKRHu7UhjcfXtiDV8EQoUQIBmrUow39DczuS3XJFgSr0Crwkn0P9nR3s Jri53sTShZdq7Ub/QeITmmejLNWcXzQxCXH9fm2yDYVZxYA047pUsWv+M6qGKbHIJln9fpN3e jykWK0LyZEiK4zHmHCdORBw1C+Gj3fU4T3HXlwuNRxPV+tmFJBGaoMtuGk7a6t/Ug/tQe/lD9 d+mGR9usHjNiUtFwF0IdwrJbIlCz+YPhyNAVubT4/kSJ0rtxT/+RdwDWGDlL4fY7bABWo5NbT ZgBH+KX+ExYQXQeYNk+BsGTYelGTaUJh2abytfczscvYUHkGb1PFsdWm+Mq7J/AXU7mnPtI3c /uTenRSNLNA0GB3CKjpxxcmGxYM2tsgtjCyEvPojA1UKQwN6nndVnPf04m1qFR0L+WkWNjAtE mzby6QUBtHXnpNDR3Vkl6XxfbQv660enlSJBoKdJMr3dvhiRLkKhCMORYej8= 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) --ktH5MWKwpiK5UVUXStgX0VKxT33kyb0IR Content-Type: multipart/mixed; boundary="YnMj8mqvay7dB5A9NOrPqMGNDmhgDYpnG" --YnMj8mqvay7dB5A9NOrPqMGNDmhgDYpnG Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2020/1/16 =E4=B8=8A=E5=8D=888:34, Michael Ruiz wrote: > Hi, > I have a //@swap subvolume and i have a swapfile within it. I mount th= e=20 > subvolume like such in fstab: >=20 > `rw,ssd,nofail,noautodefrag,nodatacow,nodatasum,subvolid=3D1234,subvol=3D= /@swap` >=20 > It mounts correctly, but 1/15/20 4:20 PM kernel I get:=20 >=20 > `BTRFS warning (device dm-0): swapfile must not be copy-on-write` >=20 > I did chattr +C on the empty swapfile as per arch wiki instructions. Th= e only=20 > problem is that it does not work after reboot... Does btrfs allow subvo= lumes=20 > to have different mount options? If that file has nodatacow, then it may be possible that you had a snapshot of that subvolume, and caused problem. Thanks, Qu --YnMj8mqvay7dB5A9NOrPqMGNDmhgDYpnG-- --ktH5MWKwpiK5UVUXStgX0VKxT33kyb0IR Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEELd9y5aWlW6idqkLhwj2R86El/qgFAl4fs6YACgkQwj2R86El /qgYOAf9HkMKLD78lH2BZXi3jCbCQ0fpF17wJMUZCEw4HgIrcDIIPAQgvcMlwC78 hZ3Kon+tpXtx84Y6K2PTzaBFRpE7IYtegGgPlm4AuLQvo+WRakniTUWIUOCgLwVG iQQGWxfr5dpJzdzAArgnKirS04/SLIlAiZBZywI6h4V6JCLNRHumJ4EvZJrz/xpz nKLq3/jiTqhZ/RQxj91vXwIX1AqL91uzST4+hovQ1eqaL8W3SgXoqKuos6U7Gq8O LZflZZQWNK7lL6NPXSPwmLWbZMB100nmtstDfZE749Txok7QoAmAESkECLw4NH3x 6MOQP1IpMp7tAcY92QbiS3OgmI778w== =b0nf -----END PGP SIGNATURE----- --ktH5MWKwpiK5UVUXStgX0VKxT33kyb0IR--