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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 D68F8C388F7 for ; Sun, 25 Oct 2020 03:42:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9A04E207E8 for ; Sun, 25 Oct 2020 03:42:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mykernel.net header.i=cgxu519@mykernel.net header.b="KA22zK2S" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1766977AbgJYDmd (ORCPT ); Sat, 24 Oct 2020 23:42:33 -0400 Received: from sender2-op-o12.zoho.com.cn ([163.53.93.243]:17127 "EHLO sender2-op-o12.zoho.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1766958AbgJYDmb (ORCPT ); Sat, 24 Oct 2020 23:42:31 -0400 ARC-Seal: i=1; a=rsa-sha256; t=1603597311; cv=none; d=zoho.com.cn; s=zohoarc; b=P5FB1fGosSPBooNc5Z7gtdILnFBZuaoKzlgz9ERuwlZXyHjW51AtCp6eFTBxj0O/IEZ7AqM7Uigt8Pm2CdF9RK6McCv6HDmmUIRzhjXKFq13riNeToXPMiBvkJ+dm5B/8XqNZYwVBVT8eBXFeOt0JCYxOkAtuUqwGLQFms+1ids= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com.cn; s=zohoarc; t=1603597311; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:To; bh=NlKEQcKE+RNemWdOzA+NXWjXnwiavlahEmjugedQVBk=; b=HvoD7FRT2uE/R+I6zUodUReNKmPu/CtKQfytoW+0+Vmn90hlpF5Wtpr6KS4fR7ERj1Svt0k66MO7qSLQeAFKnks0rkBOsw8lQhXpkH6e+PR/2LM2EKNno9mjtK4Ht9FIioAAS7eW74lesei9XvryR1spl82NwB8KsgDiLxgOg+c= ARC-Authentication-Results: i=1; mx.zoho.com.cn; dkim=pass header.i=mykernel.net; spf=pass smtp.mailfrom=cgxu519@mykernel.net; dmarc=pass header.from= header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1603597311; s=zohomail; d=mykernel.net; i=cgxu519@mykernel.net; h=From:To:Cc:Message-ID:Subject:Date:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Content-Type; bh=NlKEQcKE+RNemWdOzA+NXWjXnwiavlahEmjugedQVBk=; b=KA22zK2S82JYVtJhkR1DJ6StAdF74aMgG5qm8l5R/KgtxkzB5m5TQkIwVa3Vl8gd fJEQJuk4hLPwoHUsSh66msUDrQc7gVy2CkV4nEUQjJdNFyquxPXkElvLkrnXx7vKFpu JcTuz1P5HDcFxmtk83ChEWuiSoc3t5M+/5sSZpNk= Received: from localhost.localdomain (113.88.132.7 [113.88.132.7]) by mx.zoho.com.cn with SMTPS id 1603597309263981.7178667108379; Sun, 25 Oct 2020 11:41:49 +0800 (CST) From: Chengguang Xu To: miklos@szeredi.hu, amir73il@gmail.com, jack@suse.cz Cc: linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, Chengguang Xu Message-ID: <20201025034117.4918-2-cgxu519@mykernel.net> Subject: [RFC PATCH v2 1/8] ovl: setup overlayfs' private bdi Date: Sun, 25 Oct 2020 11:41:10 +0800 X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201025034117.4918-1-cgxu519@mykernel.net> References: <20201025034117.4918-1-cgxu519@mykernel.net> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoCNMailClient: External Content-Type: text/plain; charset=utf8 Precedence: bulk List-ID: X-Mailing-List: linux-unionfs@vger.kernel.org Setup overlayfs' private bdi so that we can collect overlayfs' own dirty inodes. Signed-off-by: Chengguang Xu --- fs/overlayfs/super.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 290983bcfbb3..d1e546abce87 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -1869,6 +1869,10 @@ static int ovl_fill_super(struct super_block *sb, vo= id *data, int silent) =09if (!ofs) =09=09goto out; =20 +=09err =3D super_setup_bdi(sb); +=09if (err) +=09=09goto out_err; + =09ofs->creator_cred =3D cred =3D prepare_creds(); =09if (!cred) =09=09goto out_err; --=20 2.26.2