From patchwork Thu Mar 23 06:54:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiubo Li X-Patchwork-Id: 13185112 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 6015FC6FD1D for ; Thu, 23 Mar 2023 06:58:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230197AbjCWG6R (ORCPT ); Thu, 23 Mar 2023 02:58:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230305AbjCWG6Q (ORCPT ); Thu, 23 Mar 2023 02:58:16 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20AA9305EA for ; Wed, 22 Mar 2023 23:57:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1679554629; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Npb0jl875E/SYOJRjBJ/u8Wvo+5RGJOZUvusAZCaJIE=; b=UX/kd4m3NfyGd1CwiWyl5VvZf/5rkMcYYrLwoPtmi6+80XsgunLWcU7pG7rbO9CNvYxeqy N5wS8tq6JAuI0XD0ePMnfVIgfWcgC0Hfkf6tnIOgrv2s4pedhYkoB/HzylZtPTMwTWAQB0 guceCC3JSlL0VNFDbMcDZottrfln3ms= 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-457--eAWe1WjOWCx4STa_8jdag-1; Thu, 23 Mar 2023 02:57:05 -0400 X-MC-Unique: -eAWe1WjOWCx4STa_8jdag-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 5F6D38028B2; Thu, 23 Mar 2023 06:57:05 +0000 (UTC) Received: from lxbceph1.gsslab.pek2.redhat.com (unknown [10.72.47.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id 93C74492B01; Thu, 23 Mar 2023 06:57:02 +0000 (UTC) From: xiubli@redhat.com To: idryomov@gmail.com, ceph-devel@vger.kernel.org Cc: jlayton@kernel.org, vshankar@redhat.com, mchangir@redhat.com, lhenriques@suse.de, Xiubo Li Subject: [PATCH v17 25/71] ceph: make d_revalidate call fscrypt revalidator for encrypted dentries Date: Thu, 23 Mar 2023 14:54:39 +0800 Message-Id: <20230323065525.201322-26-xiubli@redhat.com> In-Reply-To: <20230323065525.201322-1-xiubli@redhat.com> References: <20230323065525.201322-1-xiubli@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org From: Jeff Layton If we have a dentry which represents a no-key name, then we need to test whether the parent directory's encryption key has since been added. Do that before we test anything else about the dentry. Reviewed-by: Xiubo Li Signed-off-by: Jeff Layton --- fs/ceph/dir.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index f5e04f63c8e6..ffdeccb699ae 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -1770,6 +1770,10 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags) struct inode *dir, *inode; struct ceph_mds_client *mdsc; + valid = fscrypt_d_revalidate(dentry, flags); + if (valid <= 0) + return valid; + if (flags & LOOKUP_RCU) { parent = READ_ONCE(dentry->d_parent); dir = d_inode_rcu(parent); @@ -1782,8 +1786,8 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags) inode = d_inode(dentry); } - dout("d_revalidate %p '%pd' inode %p offset 0x%llx\n", dentry, - dentry, inode, ceph_dentry(dentry)->offset); + dout("d_revalidate %p '%pd' inode %p offset 0x%llx nokey %d\n", dentry, + dentry, inode, ceph_dentry(dentry)->offset, !!(dentry->d_flags & DCACHE_NOKEY_NAME)); mdsc = ceph_sb_to_client(dir->i_sb)->mdsc;