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 2F134C433E5 for ; Fri, 24 Jul 2020 07:33:39 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E7144206F0 for ; Fri, 24 Jul 2020 07:33:38 +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="ErKFkM8+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E7144206F0 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 69AAE8D000F; Fri, 24 Jul 2020 03:33:38 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 68B3D8D0013; Fri, 24 Jul 2020 03:33:38 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 467778D000F; Fri, 24 Jul 2020 03:33:38 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0047.hostedemail.com [216.40.44.47]) by kanga.kvack.org (Postfix) with ESMTP id 2780A8D0002 for ; Fri, 24 Jul 2020 03:33:38 -0400 (EDT) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id CA4F4824934B for ; Fri, 24 Jul 2020 07:33:37 +0000 (UTC) X-FDA: 77072154474.06.cause93_2e00b3026f45 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin06.hostedemail.com (Postfix) with ESMTP id 7DC36100534C1 for ; Fri, 24 Jul 2020 07:33:37 +0000 (UTC) X-HE-Tag: cause93_2e00b3026f45 X-Filterd-Recvd-Size: 3616 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf28.hostedemail.com (Postfix) with ESMTP for ; Fri, 24 Jul 2020 07:33:37 +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=SQdEEUbS15XfNOnvBJj0vCvV6+m0XV9g2xcYAZ+hMD4=; b=ErKFkM8+xAnLv8ghTc+z7TppRW abrdhTbmPqT088dPE9QHEv+tkzQgkzlQ5OviRYvKUAPCbc6omEDkMVWYL4eZliCWI3xctXhpxqeRl kx8mj55GmotbGGH7Rqs//hrAzITvZutCtAAipQWLdaqsP3pldNSNY00YlwxtRbslD6FLsk8sOIdAz vQIfAA0rgJFNY1gRlJyFvA2t4ut/pUAy0MZG+nfpd3VP5UsyMcp+wqCLC69GIGD6idOoV9KKs5SGu GDdHld2l4iDEB/5utcirB/gBep8NUa6iAKiWdsJPp2xS0HeDRjgcakvGHaXExKc1yC0W/yFvXZKIS ADJovoVA==; Received: from [2001:4bb8:18c:2acc:8dfe:be3c:592c:efc5] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jysCj-0006BX-VV; Fri, 24 Jul 2020 07:33:19 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Song Liu , Hans de Goede , Richard Weinberger , Minchan Kim , 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, Johannes Thumshirn Subject: [PATCH 01/14] fs: remove the unused SB_I_MULTIROOT flag Date: Fri, 24 Jul 2020 09:33:00 +0200 Message-Id: <20200724073313.138789-2-hch@lst.de> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200724073313.138789-1-hch@lst.de> References: <20200724073313.138789-1-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: 7DC36100534C1 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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: The last user of SB_I_MULTIROOT is disappeared with commit f2aedb713c28 ("NFS: Add fs_context support.") Signed-off-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn --- 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 41cd993ec0f686..236543605dd118 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1366,7 +1366,6 @@ 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