From patchwork Fri Aug 5 18:35:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 12937621 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 EFE5FC2BB43 for ; Fri, 5 Aug 2022 18:35:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241467AbiHESfv (ORCPT ); Fri, 5 Aug 2022 14:35:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241368AbiHESfu (ORCPT ); Fri, 5 Aug 2022 14:35:50 -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 A128125CB; Fri, 5 Aug 2022 11:35:49 -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 23761619B9; Fri, 5 Aug 2022 18:35:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 944AFC433B5; Fri, 5 Aug 2022 18:35:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659724548; bh=CXhOaBQbPFYiQTY/SMRa/9kU9DcUByI7xcnrlvCh3Z0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hbv0DjQP9ER5DxNx6k3QSNQvAG1dC0pXEiWkUZpPHqewQW1+ykAp5DIo5PYWHqz7l J3WJSgD6wA6Hh1Rui3FzLzKLmJHX5NIpkZNHV63mpySM/GSq4+LqUa9mQnqCrgcSdB tF7SWLckJxh095ZF8IieD9k/PFUH9DbBNBs6eJ2baWF1WRkt/Xo6CsAJMsJtB4NIC1 H1diaZcDxasE5uYBfRy+p5Y7yffr01EkymCvqHk/Ej2RgJbuBzFbB/Ohbq15jkSmS/ OqLk/42/XDXkBldd+XiWLiMb+TYpf9V4z3PHB/l0kq/fTpUqc+RWLroQmjlcwA5f8u Dl5Qh/hixeiTQ== From: Jeff Layton To: linux-fsdevel@vger.kernel.org Cc: dhowells@redhat.com, lczerner@redhat.com, bxue@redhat.com, ceph-devel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-afs@lists.infradead.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-btrfs@vger.kernel.org Subject: [RFC PATCH 2/4] nfs: report the change attribute if requested Date: Fri, 5 Aug 2022 14:35:41 -0400 Message-Id: <20220805183543.274352-3-jlayton@kernel.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220805183543.274352-1-jlayton@kernel.org> References: <20220805183543.274352-1-jlayton@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Allow NFS to report the i_version in statx. Since the cost to fetch it is relatively cheap, do it unconditionally and just set the flag if it looks like it's valid. Signed-off-by: Jeff Layton --- fs/nfs/inode.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index b4e46b0ffa2d..8e0e7ecf6429 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -829,6 +829,8 @@ static u32 nfs_get_valid_attrmask(struct inode *inode) reply_mask |= STATX_UID | STATX_GID; if (!(cache_validity & NFS_INO_INVALID_BLOCKS)) reply_mask |= STATX_BLOCKS; + if (!(cache_validity & NFS_INO_INVALID_CHANGE)) + reply_mask |= STATX_CHGATTR; return reply_mask; } @@ -914,6 +916,7 @@ int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path, generic_fillattr(&init_user_ns, inode, stat); stat->ino = nfs_compat_user_ino64(NFS_FILEID(inode)); + stat->chgattr = inode_peek_iversion_raw(inode); if (S_ISDIR(inode->i_mode)) stat->blksize = NFS_SERVER(inode)->dtsize; out: