From patchwork Mon Apr 17 03:26:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Xiubo Li X-Patchwork-Id: 673877 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 747EFC77B61 for ; Mon, 17 Apr 2023 03:30:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230100AbjDQDar (ORCPT ); Sun, 16 Apr 2023 23:30:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229810AbjDQDaV (ORCPT ); Sun, 16 Apr 2023 23:30:21 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2CC13AA3 for ; Sun, 16 Apr 2023 20:29:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1681702155; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fCr55lnxv3+uNQZ8LrU2Iifc7NVoE3w6ELESFXdaVpM=; b=Opdxms/RgdsqVenPfOaCK1YE8ghsjv7PT8Ts9rcFc1WGr6Fj3Yqv1Hevm5eGwMtwQWm9RQ Np/HqSaLWMdi3Gv6VpIw9X4ZpJ5JZM9deKQbNQ6hCTpMrEyZqfYaajNJlZvp5cxDlspa4Y 6CbZVqeRbtdH7HDagt7ef0OpAlQabKU= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-368-Jll5PGorNceivC8dE7aa5A-1; Sun, 16 Apr 2023 23:29:13 -0400 X-MC-Unique: Jll5PGorNceivC8dE7aa5A-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 67E388996F3; Mon, 17 Apr 2023 03:29:13 +0000 (UTC) Received: from li-a71a4dcc-35d1-11b2-a85c-951838863c8d.ibm.com.com (ovpn-12-181.pek2.redhat.com [10.72.12.181]) by smtp.corp.redhat.com (Postfix) with ESMTP id 51DB62027044; Mon, 17 Apr 2023 03:29:08 +0000 (UTC) From: xiubli@redhat.com To: idryomov@gmail.com, ceph-devel@vger.kernel.org Cc: jlayton@kernel.org, vshankar@redhat.com, lhenriques@suse.de, mchangir@redhat.com, Xiubo Li Subject: [PATCH v19 23/70] ceph: properly set DCACHE_NOKEY_NAME flag in lookup Date: Mon, 17 Apr 2023 11:26:07 +0800 Message-Id: <20230417032654.32352-24-xiubli@redhat.com> In-Reply-To: <20230417032654.32352-1-xiubli@redhat.com> References: <20230417032654.32352-1-xiubli@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org From: Jeff Layton This is required so that we know to invalidate these dentries when the directory is unlocked. Tested-by: Luís Henriques Tested-by: Venky Shankar Reviewed-by: Luís Henriques Reviewed-by: Xiubo Li Signed-off-by: Jeff Layton --- fs/ceph/dir.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index ccbbd39a5eb9..f5e04f63c8e6 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -760,6 +760,17 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, if (dentry->d_name.len > NAME_MAX) return ERR_PTR(-ENAMETOOLONG); + if (IS_ENCRYPTED(dir)) { + err = __fscrypt_prepare_readdir(dir); + if (err) + return ERR_PTR(err); + if (!fscrypt_has_encryption_key(dir)) { + spin_lock(&dentry->d_lock); + dentry->d_flags |= DCACHE_NOKEY_NAME; + spin_unlock(&dentry->d_lock); + } + } + /* can we conclude ENOENT locally? */ if (d_really_is_negative(dentry)) { struct ceph_inode_info *ci = ceph_inode(dir);