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=-14.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 DE2F2C433EF for ; Tue, 14 Sep 2021 09:24:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B5A3260E76 for ; Tue, 14 Sep 2021 09:24:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229816AbhINJZT (ORCPT ); Tue, 14 Sep 2021 05:25:19 -0400 Received: from mout.gmx.net ([212.227.17.20]:48419 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229649AbhINJZS (ORCPT ); Tue, 14 Sep 2021 05:25:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1631611439; bh=tLQjPgKudA4UmZj37h4My90h9ETFaCt4QYomMlwTNFk=; h=X-UI-Sender-Class:Subject:To:References:From:Date:In-Reply-To; b=hJI/l3T7F6Koex/a1IT+T5VtRnRH4YqRbZp24Zp0HgsMu+2JwaAveTMqgw3uyf/Fs KkiRderf08U4Y4gM3urmAs/R7eO0jWHnJSiBIPaw68yZ+kpjnI8CRBZz78FgH5h0mC yYUhOpNw4yadGb9gRHNTbV6ibA6XQTjMPLuNdhr4= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [0.0.0.0] ([149.28.201.231]) by mail.gmx.net (mrgmx104 [212.227.17.174]) with ESMTPSA (Nemesis) id 1N1wpt-1msyVb4B7h-012F6K; Tue, 14 Sep 2021 11:23:59 +0200 Subject: Re: [PATCH v2 6/8] btrfs-progs: Implement helper to remove received information of RW subvol To: Nikolay Borisov , linux-btrfs@vger.kernel.org References: <20210914090558.79411-1-nborisov@suse.com> <20210914090558.79411-7-nborisov@suse.com> From: Qu Wenruo Message-ID: Date: Tue, 14 Sep 2021 17:23:56 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20210914090558.79411-7-nborisov@suse.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:Lgr0H/rIQkeHngan57Ss2lvVqajCSJcld/DefryHudnxU4YV9dK fR7wqiJAqfTjtAJtMrcSq/qiGEta0nTnZpilaCmAxdHiJzCzGhlvK3oHVPvCAoHEpjabZf7 Q5wM12t3GJGoh+an3y7AGWZL9poCmUTFD9d3XfoyHCKqXn6VZB+msWaJGCwpiJoDw7cKUQH 5vqtYwgONzvtcSm8+daSQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:RN7SvvKnBfY=:FT1iZedTczTXoVKjE28Coz 3SEJ7Byjm5BmJ+hlRQNpalq1hln5EsZmIh7BnyKnDTYdcbpadvQIPGLTrQSekKD4AwiNhY3MK ONhGzoTRTCy5ze74lXbHF8Crc7bfYvAP1OJr7NX99ZhBGsaCDdFNFwo6jkMjx9O0XZO++Ndsz BmAdHi2JoUIDFS8S7lnEuPMuuiCmwtVoDoH/M7eoZaMNQs8704MR+X6uiaccVY91/zqbxqIsM xvxvjLmgFBylN4TVf888Z/qB9Q77TobHlAdKlXjWm8aehoM6wWRRRQHpr0RdXmHShOWUU4uK4 ZFqWqkiG8wQr8I/N9ndP8WJ/Td4WaLvTzQeSQx5595eybyMWOSD1gWyac4gj6Z7XdE/dPuB5R mmUvAYz2mD3yOg0/ceUcubjtCMFaJmVOpnjEntPha4kkT1j0D9eVI1jvJiXq/zS1lxYHhOwVj CbJZJ+Xpf6Ru99adINMmp5fvDa4TqsDrWwXBgP7GCXJjo2R20wN7ns7pSkcq4tgc65kmM6lvQ dBUVo0w2F/AvZNmt0PAGh7wvLuYI7lW8H+ia6ZH1Y/q8Tie4AF2AXuKNYtcFMRkrgEpi+s0fE tcVrR6WEzNOH7Xh+3Exv2myNEq8M9zIGumMLeRpTHFYZRwZcaNREjnVezyek3q1/tt0kYDkBN xokhF9A5KUxDs1ex0EziUWHutY04EXjhk5SwYbZspmWLU5vfFL0NEerHpKvUnqkMBqSAW+Z5m cRDmagrBjpb2hDByqfeUmjfh7afjsT7SZVrForLVm4eyAg2xwS61eFuJycKOv603/fy/DvZ63 bfM17e0TtwwyxXRzd+gbTho/YSv1rder8X5hoeNW1jnYlvBC+vtoiexhBC5AStTDAUa1CaNUZ rxQnaFzE5t0+OnVE1dpVJvbUpK03Khk82iB40zrx+jU3KQeGTGUzaNJHIp5hxRfKfgN6WThpZ zRtq4wFMvi8pI22iXP1iFzKnBanOWcdF2lLo0PDhx2SGIoB72jNd1Ty7W4eNSejcfBhVSbp+p mjn0pWmitYkR71+y52ZeCdEQH5t9Lm2Nilvhbndb8Z7lkMmFcsU6yPD9+5v/zB2jWd87m1lx2 UwZd6Kdvvm2D0s= Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 2021/9/14 =E4=B8=8B=E5=8D=885:05, Nikolay Borisov wrote: > Signed-off-by: Nikolay Borisov Reviewed-by: Qu Wenruo Thanks, Qu > --- > check/mode-common.c | 40 ++++++++++++++++++++++++++++++++++++++++ > check/mode-common.h | 1 + > 2 files changed, 41 insertions(+) > > diff --git a/check/mode-common.c b/check/mode-common.c > index 0059672c6402..7a5313280f3f 100644 > --- a/check/mode-common.c > +++ b/check/mode-common.c > @@ -1301,3 +1301,43 @@ int repair_dev_item_bytes_used(struct btrfs_fs_in= fo *fs_info, > btrfs_abort_transaction(trans, ret); > return ret; > } > + > +int repair_received_subvol(struct btrfs_root *root) > +{ > + struct btrfs_root_item *root_item =3D &root->root_item; > + struct btrfs_trans_handle *trans; > + int ret; > + > + trans =3D btrfs_start_transaction(root, 2); > + if (IS_ERR(trans)) > + return PTR_ERR(trans); > + > + ret =3D btrfs_uuid_tree_remove(trans, root_item->received_uuid, > + BTRFS_UUID_KEY_RECEIVED_SUBVOL, root->root_key.objectid); > + > + if (ret && ret !=3D -ENOENT) { > + btrfs_abort_transaction(trans, ret); > + return ret; > + } > + > + memset(root_item->received_uuid, 0, BTRFS_UUID_SIZE); > + btrfs_set_root_stransid(root_item, 0); > + btrfs_set_root_rtransid(root_item, 0); > + btrfs_set_stack_timespec_sec(&root_item->stime, 0); > + btrfs_set_stack_timespec_nsec(&root_item->stime, 0); > + btrfs_set_stack_timespec_sec(&root_item->rtime, 0); > + btrfs_set_stack_timespec_nsec(&root_item->rtime, 0); > + > + ret =3D btrfs_update_root(trans, gfs_info->tree_root, &root->root_key, > + root_item); > + if (ret < 0) { > + btrfs_abort_transaction(trans, ret); > + return ret; > + } > + > + ret =3D btrfs_commit_transaction(trans, gfs_info->tree_root); > + if (!ret) > + printf("Cleared received information for subvol: %llu\n", > + root->root_key.objectid); > + return ret; > +} > diff --git a/check/mode-common.h b/check/mode-common.h > index cdfb10d58cde..f1ec5dca0199 100644 > --- a/check/mode-common.h > +++ b/check/mode-common.h > @@ -130,6 +130,7 @@ int reset_imode(struct btrfs_trans_handle *trans, st= ruct btrfs_root *root, > struct btrfs_path *path, u64 ino, u32 mode); > int repair_imode_common(struct btrfs_root *root, struct btrfs_path *pa= th); > int check_repair_free_space_inode(struct btrfs_path *path); > +int repair_received_subvol(struct btrfs_root *root); > > /* > * Check if the inode mode @imode is valid >