From patchwork Tue Jan 11 19:15:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 12710430 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 CD93EC4332F for ; Tue, 11 Jan 2022 19:17:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350796AbiAKTRO (ORCPT ); Tue, 11 Jan 2022 14:17:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346523AbiAKTQz (ORCPT ); Tue, 11 Jan 2022 14:16:55 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B814C033241; Tue, 11 Jan 2022 11:16:26 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id CEB2FB81D0E; Tue, 11 Jan 2022 19:16:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 37C37C36AE3; Tue, 11 Jan 2022 19:16:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1641928583; bh=IsYv2vTlaDVTS8PfYnvPFJmT533ELZeYPJkGgZEwP6o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DjIS63duKYURKWpQq4I8rxdSyVakKTo9y0kMLro4Q15jkMHpG6GRaUj+tlT3V8e4Z hCUB2HrSJ87zg/NbSDmTzLPeg627RZIIa1fz7Jo9Y4kywuvIEEHpwy87rBHougQyUr +PJo6DXZ9T2do7xhyNksL7KhMnEDzxert/czaPzZflskLw6ej+FYfeIJ5uJbfa7MeB TbvNMUYQGDCqkC1WE1FeEfbEPBnkwg30uA5Ha05c8EEJ21af6R0V9gYLQRu8SdtfMH wzW5wic+e08nNOFfFVag3btnuBhquZXWBExw+YWVE2pU1WZSm1ToyyOlkOqttVG5fW iySFalQxwmKeg== From: Jeff Layton To: ceph-devel@vger.kernel.org, linux-fscrypt@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, idryomov@gmail.com Subject: [RFC PATCH v10 18/48] ceph: make d_revalidate call fscrypt revalidator for encrypted dentries Date: Tue, 11 Jan 2022 14:15:38 -0500 Message-Id: <20220111191608.88762-19-jlayton@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220111191608.88762-1-jlayton@kernel.org> References: <20220111191608.88762-1-jlayton@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fscrypt@vger.kernel.org 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. 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 4fa776d8fa53..7977484d0317 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -1700,6 +1700,10 @@ 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); @@ -1712,8 +1716,8 @@ 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;