From patchwork Thu Sep 8 17:24:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 12970415 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 F2538C6FA86 for ; Thu, 8 Sep 2022 17:25:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232068AbiIHRZa (ORCPT ); Thu, 8 Sep 2022 13:25:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231782AbiIHRZK (ORCPT ); Thu, 8 Sep 2022 13:25:10 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BABEBEE0A; Thu, 8 Sep 2022 10:25:06 -0700 (PDT) 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 dfw.source.kernel.org (Postfix) with ESMTPS id 5325C61C61; Thu, 8 Sep 2022 17:25:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BC65CC433C1; Thu, 8 Sep 2022 17:25:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662657905; bh=vWkxrq3+6QZGR7RqrSOelQqMIu/ocn/ySt9Y7jOOYsM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bmfyY12qPbAMHTjCjjyIlg6NNgg6kJJfuXMKEzViAxgUtK0I80ihSCFRs7wYzTe8k nYbd0Pepp7CYrF88rvCj6igW0B3icNenGy2iY7qARPpwdzWmo01FK6yT2VrBDXgIml dFGbK6+aBUmlBtEeucT82ooxPwW1TgsS89fb5430VGaq+ucDSlp3Yoe2ksG0ygyqd3 u+tS/RZ/9M45/EGXBRQ2ORAoPbQdsQIRMNwg0fvLWcACf3pcPFwg8tNjNe5KpZw8wQ gqb928Vrw8eSmf9LRr18KytshfvDPdn7QrIo8r7w2sQ6uWLXljfwpX4pydzkzd18aA D6XVMWAYBgelg== From: Jeff Layton To: tytso@mit.edu, adilger.kernel@dilger.ca, djwong@kernel.org, david@fromorbit.com, trondmy@hammerspace.com, neilb@suse.de, viro@zeniv.linux.org.uk, zohar@linux.ibm.com, xiubli@redhat.com, chuck.lever@oracle.com, lczerner@redhat.com, jack@suse.cz, bfields@fieldses.org, brauner@kernel.org, fweimer@redhat.com Cc: linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-nfs@vger.kernel.org, linux-xfs@vger.kernel.org Subject: [PATCH v5 6/8] ceph: report the inode version in getattr if requested Date: Thu, 8 Sep 2022 13:24:46 -0400 Message-Id: <20220908172448.208585-7-jlayton@kernel.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220908172448.208585-1-jlayton@kernel.org> References: <20220908172448.208585-1-jlayton@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org When getattr requests the STX_INO_VERSION, request the full gamut of caps (similarly to how ctime is handled). When the change attribute seems to be valid, return it in the ino_version field and set the flag in the reply mask. Reviewed-by: Xiubo Li Signed-off-by: Jeff Layton --- fs/ceph/inode.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 42351d7a0dd6..ccc926a7dcb0 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -2415,10 +2415,10 @@ static int statx_to_caps(u32 want, umode_t mode) { int mask = 0; - if (want & (STATX_MODE|STATX_UID|STATX_GID|STATX_CTIME|STATX_BTIME)) + if (want & (STATX_MODE|STATX_UID|STATX_GID|STATX_CTIME|STATX_BTIME|STATX_INO_VERSION)) mask |= CEPH_CAP_AUTH_SHARED; - if (want & (STATX_NLINK|STATX_CTIME)) { + if (want & (STATX_NLINK|STATX_CTIME|STATX_INO_VERSION)) { /* * The link count for directories depends on inode->i_subdirs, * and that is only updated when Fs caps are held. @@ -2429,11 +2429,10 @@ static int statx_to_caps(u32 want, umode_t mode) mask |= CEPH_CAP_LINK_SHARED; } - if (want & (STATX_ATIME|STATX_MTIME|STATX_CTIME|STATX_SIZE| - STATX_BLOCKS)) + if (want & (STATX_ATIME|STATX_MTIME|STATX_CTIME|STATX_SIZE|STATX_BLOCKS|STATX_INO_VERSION)) mask |= CEPH_CAP_FILE_SHARED; - if (want & (STATX_CTIME)) + if (want & (STATX_CTIME|STATX_INO_VERSION)) mask |= CEPH_CAP_XATTR_SHARED; return mask; @@ -2475,6 +2474,11 @@ int ceph_getattr(struct user_namespace *mnt_userns, const struct path *path, valid_mask |= STATX_BTIME; } + if (request_mask & STATX_INO_VERSION) { + stat->ino_version = inode_peek_iversion_raw(inode); + valid_mask |= STATX_INO_VERSION; + } + if (ceph_snap(inode) == CEPH_NOSNAP) stat->dev = inode->i_sb->s_dev; else