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_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 21CD0C433EB for ; Mon, 20 Jul 2020 07:52:06 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D989F20674 for ; Mon, 20 Jul 2020 07:52:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="flVROLQu" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D989F20674 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 6691A6B0003; Mon, 20 Jul 2020 03:52:05 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 61A236B0005; Mon, 20 Jul 2020 03:52:05 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 508336B0006; Mon, 20 Jul 2020 03:52:05 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0250.hostedemail.com [216.40.44.250]) by kanga.kvack.org (Postfix) with ESMTP id 379EE6B0003 for ; Mon, 20 Jul 2020 03:52:05 -0400 (EDT) Received: from smtpin27.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id D44961807B31D for ; Mon, 20 Jul 2020 07:52:04 +0000 (UTC) X-FDA: 77057685768.27.note64_4407e8526f23 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin27.hostedemail.com (Postfix) with ESMTP id A682C178D28 for ; Mon, 20 Jul 2020 07:52:04 +0000 (UTC) X-HE-Tag: note64_4407e8526f23 X-Filterd-Recvd-Size: 3358 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf35.hostedemail.com (Postfix) with ESMTP for ; Mon, 20 Jul 2020 07:52:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=CuUaZG9Qhitrr+iOhUhgyWHM76MKMZjl3OX8RO552bE=; b=flVROLQubR6uF1pCvEN9P45yX8 5OLapfMKCH0fY2r35ViO2jMD0d4StlwWmgHdCrsXL7HSL44gfNJRb2hVc1XqgP4UwA7wccIEHL3o7 LxyAjWM5UEjl3VtB5ooa5L5xa8pASt6teZcxkL6m5Y0NO5F75MnjygFOIleuz9LwqjYbVsd+Ic722 BMaSQMfg9fPWIjfJs3NP+wah/dr3BLa8zbN8rg33h9tju4hfj61KvRciKJOnAIMoAW7W7oQ9zLeu+ dzMDoZv+isOyqu3IqtuWZrIeVd/D56WGbsd9+Tj+a8wrPCO4FD2P9xsKH32tkikbg9cegkxdWwvXq e/kaZwKQ==; Received: from [2001:4bb8:105:4a81:5185:88fc:94bb:f8bf] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jxQaU-0003zM-Ln; Mon, 20 Jul 2020 07:51:51 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Song Liu , Hans de Goede , Richard Weinberger , linux-mtd@lists.infradead.org, dm-devel@redhat.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, drbd-dev@lists.linbit.com, linux-raid@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org Subject: [PATCH 01/14] fs: remove the unused SB_I_MULTIROOT flag Date: Mon, 20 Jul 2020 09:51:35 +0200 Message-Id: <20200720075148.172156-2-hch@lst.de> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200720075148.172156-1-hch@lst.de> References: <20200720075148.172156-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Queue-Id: A682C178D28 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Signed-off-by: Christoph Hellwig --- fs/namei.c | 4 ++-- include/linux/fs.h | 1 - 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 72d4219c93acb7..e9ff0d54a110a7 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -568,8 +568,8 @@ static bool path_connected(struct vfsmount *mnt, stru= ct dentry *dentry) { struct super_block *sb =3D mnt->mnt_sb; =20 - /* Bind mounts and multi-root filesystems can have disconnected paths *= / - if (!(sb->s_iflags & SB_I_MULTIROOT) && (mnt->mnt_root =3D=3D sb->s_roo= t)) + /* Bind mounts can have disconnected paths */ + if (mnt->mnt_root =3D=3D sb->s_root) return true; =20 return is_subdir(dentry, mnt->mnt_root); diff --git a/include/linux/fs.h b/include/linux/fs.h index 1d7c4f7465d24c..613323008519ca 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1365,7 +1365,6 @@ extern int send_sigurg(struct fown_struct *fown); #define SB_I_CGROUPWB 0x00000001 /* cgroup-aware writeback enabled */ #define SB_I_NOEXEC 0x00000002 /* Ignore executables on this fs */ #define SB_I_NODEV 0x00000004 /* Ignore devices on this fs */ -#define SB_I_MULTIROOT 0x00000008 /* Multiple roots to the dentry tree *= / =20 /* sb->s_iflags to limit user namespace mounts */ #define SB_I_USERNS_VISIBLE 0x00000010 /* fstype already mounted */ --=20 2.27.0