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 5970FC43603 for ; Mon, 9 Dec 2019 02:05:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1E2B2206F4 for ; Mon, 9 Dec 2019 02:05:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="bzN222eX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726801AbfLICFK (ORCPT ); Sun, 8 Dec 2019 21:05:10 -0500 Received: from mout.gmx.net ([212.227.17.22]:59663 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726659AbfLICFK (ORCPT ); Sun, 8 Dec 2019 21:05:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1575857107; bh=ENCWD72KUBehrYLuBEAtxZNoUpM8A/RvUO8KtvDFaDg=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=bzN222eXGjm8Pggr+2n3OivG3AHxZRbPdT4vaP9pQf91/qvLn4tN5fROdOpYaxLRd jk+1HFkYu7JlDmtMUKKtk/z5ZCtzviXsmYv6B+Y+QkF5jLOY/8QQO6BXdmkwkMeFf6 uCujdPITl/AMJQupLnFGQLqnv04TLx58Av0L8IPA= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [0.0.0.0] ([13.231.109.76]) by mail.gmx.com (mrgmx105 [212.227.17.174]) with ESMTPSA (Nemesis) id 1M4JmT-1idrIx1fI9-000LTC; Mon, 09 Dec 2019 03:05:07 +0100 Subject: Re: Unable to remove directory entry To: Mike Gilbert Cc: linux-btrfs@vger.kernel.org References: <5eae7d6d-a462-53f4-df0c-3b273426e2b2@gmx.com> <6c3454b9-cc23-d22b-c3a7-59697add9b88@gmx.com> 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: Date: Mon, 9 Dec 2019 10:05:02 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="UOScAeOCldPYSjbIdAi5TNfpsbQJ9Zuvy" X-Provags-ID: V03:K1:XRncw1H9ya5adeq7DhzbH2YybdnDFGQLXhWEZB7lxfcaHxVKjVA Cyv2lLK8zn1Zjahm1MuDtkFgW4AusFe34ZWr8O9xFukjH9aB/S8T0Q4Ut/u+0CfNiBx7A3Q 4eBsL1o7AHjYOoHH+wcLDblJ0igaIXvOzKlCrlYOQ5kX4uQ/f30M53ICsSCLIdHyh/aro/f I+bvjaWPYc9iK7s0l7OaA== X-UI-Out-Filterresults: notjunk:1;V03:K0:EJM2jdJwbrA=:Fep5thsM0NuL7RRr428Ous rC9+I1jtUMuRIq2ZASqh5dAFTbCo9KUP94xnLnheLsduVaHlom74RM7nCG8TUbq9oF2DbNbqa 2U/jgUQCI8qwzJzHAMIvbdMItIaQ5fFx8yzptqDL74rsB3ZZcTLNK3fupM4TCIPYkrpClzito I6gd4oSn4mgxA8XnGsoTjD2gFbhqmcYv1XRbg/qlxsnDYuWdNPoV6G+DVLLceDtMMkGlYry7r +J3dwnM8Sc8yTgUANDDSjclfaoHTsq+FScvgnpeoqeD99VnMVe/CuW3Qvm3RmnRVJvjI3QmXc UAVuQVuutJg/bQFLZVTrElCl1m3RJZm+oSONEhXOuK1hBoXASLH34TAs3GFAuLxasQcWjDxCc 8iUEd/P+17fO5uE8Xx/GaJNBFPy81rBfRzMmEg0NB6dlL7OUcXUY67/zpHOPd2cDkRjG8ouhN tb0TWR32CiQc1ar2I1g/GQU3IGWCW0icX9aEJzQ4wgu/pc39JsvprAI0sfCFsEKt7AdAVo9Q5 cAqfR4ElARz2QXe4tEn7P0sZ2x49LppV3QDRlDoJRHFL9VLAbfGj8QemRD6CM1YXr4V4c2EVc BckNjDI2rF33ZPEbG5UYjNxvO9tXBO1RCw+KEk1whW17YIHjNvn2fizZl28nqY6n1cbkWUvXD FWQJrpRIqFXC5jxVZiMllxzjX3+AY5QRx6ry6DwauZkr1RhLlsWADMXr44tVSmU+4E/tv0vmn +mVDLb2hcR5tmf/JuovNkTKZMe6LrwQBAVvXi6EXGhoW7hsYVz6JVO5rb3ZRH3LAimt73UsxM H4RtRbSJCbJNrqvoVfMEp6KEL5XLfYX0LxAt0FK+g8HcIG/f8rzyFNN01jk90UKs2pIKwXesz CZkuNJwRDEMsl2HCzdzeQu/QIHn2VD34/sqLk0PMq49PdR3MmzWx8RV0WRIUhKfHPCSH2gJlS 1czQtnQqeIRbcpDicvw0Ux8r/lAvjZMUdf4067V9OuiJGaJ3/SjeeyBsofxi/x7mev9dJwDvS oU2sge3kiBfxYKytUH6D9roKDprfZoyTi8ge18BNeeIULTPYvqAjrZY9Aoi/zWm2X8MppVLGq RL+H+Sv5xm4KA5pXGkDpXmPvSCIj5zGh0u+dZNPeN9cuLDMJqKmAnAVXqFiLHqFccLSwOoMqt ZXTneHxHksdznU0eUCoxxtUbSXJ8Y/q6XOcSsALHJuQRJ+tksitc7QDh7Unp9UQY7wZjM8EkZ /fIXJXpAdwDQ2kT425B/5Na5/aSYxIAYarmjtZ5APJnuhWf/gvT26pfrHv6A= 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) --UOScAeOCldPYSjbIdAi5TNfpsbQJ9Zuvy Content-Type: multipart/mixed; boundary="9HL2giu0joMXuTxjqp4uD5jN7SOfX7lA7" --9HL2giu0joMXuTxjqp4uD5jN7SOfX7lA7 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2019/12/9 =E4=B8=8A=E5=8D=889:51, Mike Gilbert wrote: [...] >=20 > Here you go. >=20 > I ran this while the filesystem was mounted; if you need it to be run > while offline, I'll have to fire up a livecd. The info is good enough, no need to go livecd. > -- > item 6 key (4065004 INODE_ITEM 0) itemoff 15158 itemsize 160 > generation 21397 transid 21397 size 12261 nbytes 12288 > block group 0 mode 100644 links 1 uid 250 gid 250 rdev 0= > sequence 23 flags 0x0(none) > atime 1565546668.383680243 (2019-08-11 14:04:28) > ctime 1565546668.383680243 (2019-08-11 14:04:28) > mtime 1565546668.383680243 (2019-08-11 14:04:28) > otime 1565546668.336681213 (2019-08-11 14:04:28) > item 7 key (4065004 INODE_REF 486836) itemoff 15104 itemsize 54 > index 13905 namelen 44 name: > 0390cb341d248c589c419007da68b2-7351.manifest That inode exists and is good. > item 8 key (4065004 EXTENT_DATA 0) itemoff 15051 itemsize 53 > generation 21397 type 1 (regular) > extent data disk byte 6288928768 nr 12288 > extent data offset 0 nr 12288 ram 12288 > extent compression 0 (none) > item 9 key (4210974 INODE_ITEM 0) itemoff 14891 itemsize 160 > item 63 key (486836 DIR_INDEX 13905) itemoff 6199 itemsize 74 > location key (4065004 INODE_ITEM 0) type FILE > transid 21397 data_len 0 name_len 44 > name: 0390cb341d248c589c419007da68b2-7351.manifest Good parent dir index. > leaf 533498265600 items 128 free space 6682 generation 176439 owner FS_= TREE > leaf 533498265600 flags 0x1(WRITTEN) backref revision 1 > fs uuid 5e9dcab6-036d-40f1-8b40-24ab4c062bf6 > chunk uuid 0be705de-5d3b-4c23-979e-d7aaad224cfb > item 62 key (486836 DIR_ITEM 2543451757) itemoff 6273 itemsize 7= 4 > location key (4065004 INODE_ITEM 1073741824) type FILE > transid 21397 data_len 0 name_len 44 > name: 0390cb341d248c589c419007da68b2-7351.manifest This is the problem, bad parent dir hash. The key should be (4065004 INODE_ITEM 0). The 1073741824 (0x40000000) is completely garbage. That garbage looks like a bit flip at runtime. It's recommended to check your memory. I'll add extra tree-check checks, so that such runtime problem can be detected before corrupted data reach disk. For repair, I'll craft a special btrfs-progs for you to handle it, as that should be the safest way. Please wait for another 15min for that tool. Thanks, Qu > item 63 key (486836 DIR_INDEX 13905) itemoff 6199 itemsize 74 > location key (4065004 INODE_ITEM 0) type FILE > transid 21397 data_len 0 name_len 44 > name: 0390cb341d248c589c419007da68b2-7351.manifest > parent transid verify failed on 629293056 wanted 177041 found 177044 > parent transid verify failed on 629293056 wanted 177041 found 177044 > Ignoring transid failure >=20 --9HL2giu0joMXuTxjqp4uD5jN7SOfX7lA7-- --UOScAeOCldPYSjbIdAi5TNfpsbQJ9Zuvy Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEELd9y5aWlW6idqkLhwj2R86El/qgFAl3tq84ACgkQwj2R86El /qi8pgf7Bx6e2mNknrxRjncSGzJfPsiF4fqEIbG0K2XexJSrjqjMJcPHMQ4v8ttQ HooXtObwjTChcXM4DaC7QloLxP5MudZfv5Tlv5O+mYtxbnzMZeevwmnfDSRPJUnS SK/b0l4UHUrceoaxagHGs1j5K8zmIIU5xWTsXUVG3YhOMXQY+BP1d9uVZsF6jnYW YOh3RIkYYIJ2L7vb2J8ECnKP0bdAaQBHUMIQ6UAWsw0FtuVMKM677xU1mMun4c2q lryrdzaempP6leWTNwACtPIovpY89XHn11BKrpW9IJg1fhHlAV14HkxZbxdZ91zE iCi7XtDRROn3UdXZ/REvgJQ1bG9Efg== =Agu3 -----END PGP SIGNATURE----- --UOScAeOCldPYSjbIdAi5TNfpsbQJ9Zuvy--