From patchwork Thu Nov 17 19:11:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Weinberger X-Patchwork-Id: 13047214 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABD1CC433FE for ; Thu, 17 Nov 2022 19:12:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239843AbiKQTMR (ORCPT ); Thu, 17 Nov 2022 14:12:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240555AbiKQTMM (ORCPT ); Thu, 17 Nov 2022 14:12:12 -0500 Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61D0287567; Thu, 17 Nov 2022 11:12:10 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id 953E963E516C; Thu, 17 Nov 2022 20:12:08 +0100 (CET) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 2d-a3it2RGeZ; Thu, 17 Nov 2022 20:12:08 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id 4A76063E516F; Thu, 17 Nov 2022 20:12:08 +0100 (CET) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id uDGT4ROq8FZk; Thu, 17 Nov 2022 20:12:08 +0100 (CET) Received: from blindfold.corp.sigma-star.at (213-47-184-186.cable.dynamic.surfer.at [213.47.184.186]) by lithops.sigma-star.at (Postfix) with ESMTPSA id C32F463E516B; Thu, 17 Nov 2022 20:12:07 +0100 (CET) From: Richard Weinberger To: linux-nfs@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, jlayton@kernel.org, chuck.lever@oracle.com, anna@kernel.org, trond.myklebust@hammerspace.com, viro@zeniv.linux.org.uk, raven@themaw.net, chris.chilvers@appsbroker.com, david.young@appsbroker.com, luis.turcitu@appsbroker.com, david@sigma-star.at, Richard Weinberger Subject: [PATCH 2/3] fs: namei: Allow follow_down() to uncover auto mounts Date: Thu, 17 Nov 2022 20:11:50 +0100 Message-Id: <20221117191151.14262-3-richard@nod.at> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20221117191151.14262-1-richard@nod.at> References: <20221117191151.14262-1-richard@nod.at> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org This function is only used by NFSD to cross mount points. If a mount point is of type auto mount, follow_down() will not uncover it. Add LOOKUP_AUTOMOUNT to the lookup flags to have ->d_automount() called when NFSD walks down the mount tree. Signed-off-by: Richard Weinberger --- fs/namei.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/namei.c b/fs/namei.c index 578c2110df02..000c4b84e6be 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1462,7 +1462,7 @@ int follow_down(struct path *path) { struct vfsmount *mnt = path->mnt; bool jumped; - int ret = traverse_mounts(path, &jumped, NULL, 0); + int ret = traverse_mounts(path, &jumped, NULL, LOOKUP_AUTOMOUNT); if (path->mnt != mnt) mntput(mnt);