From patchwork Sun Mar 1 21:52:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Al Viro X-Patchwork-Id: 11414431 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 559F9138D for ; Sun, 1 Mar 2020 21:53:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3EC24246C0 for ; Sun, 1 Mar 2020 21:53:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727331AbgCAVxK (ORCPT ); Sun, 1 Mar 2020 16:53:10 -0500 Received: from zeniv.linux.org.uk ([195.92.253.2]:41760 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727210AbgCAVwv (ORCPT ); Sun, 1 Mar 2020 16:52:51 -0500 Received: from viro by ZenIV.linux.org.uk with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1j8WW1-003fR5-VM; Sun, 01 Mar 2020 21:52:50 +0000 From: Al Viro To: linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Linus Torvalds Subject: [RFC][PATCH v3 55/55] fs/namei.c: kill follow_mount() Date: Sun, 1 Mar 2020 21:52:40 +0000 Message-Id: <20200301215240.873899-55-viro@ZenIV.linux.org.uk> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200301215240.873899-1-viro@ZenIV.linux.org.uk> References: <20200301215125.GA873525@ZenIV.linux.org.uk> <20200301215240.873899-1-viro@ZenIV.linux.org.uk> MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org From: Al Viro the only remaining caller should be using follow_down() anyway Signed-off-by: Al Viro --- fs/namei.c | 18 +----------------- 1 file changed, 1 insertion(+), 17 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index f247eca119f1..d9fd5fd43ca1 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1414,22 +1414,6 @@ static bool choose_mountpoint(struct mount *m, const struct path *root, } /* - * Skip to top of mountpoint pile in refwalk mode for follow_dotdot() - */ -static void follow_mount(struct path *path) -{ - while (d_mountpoint(path->dentry)) { - struct vfsmount *mounted = lookup_mnt(path); - if (!mounted) - break; - dput(path->dentry); - mntput(path->mnt); - path->mnt = mounted; - path->dentry = dget(mounted->mnt_root); - } -} - -/* * This looks up the name in dcache and possibly revalidates the found dentry. * NULL is returned if the dentry does not exist in the cache. */ @@ -2668,7 +2652,7 @@ int path_pts(struct path *path) path->dentry = child; dput(parent); - follow_mount(path); + follow_down(path); return 0; } #endif