From patchwork Wed Sep 7 11:33:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 603870 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 417C0C54EE9 for ; Wed, 7 Sep 2022 11:33:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230089AbiIGLd4 (ORCPT ); Wed, 7 Sep 2022 07:33:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230125AbiIGLdh (ORCPT ); Wed, 7 Sep 2022 07:33:37 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20049B6D1E; Wed, 7 Sep 2022 04:33:36 -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 ams.source.kernel.org (Postfix) with ESMTPS id B39AAB81C59; Wed, 7 Sep 2022 11:33:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 689E9C433D7; Wed, 7 Sep 2022 11:33:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662550413; bh=1162YHqQOXHMdxaWiIckiDPTZi/TKUxuxhQhhNkMobE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pohJqq09Kn9ApI2WZGb1NP/4TZdPvpJgeFDh1l6eiXnKGOr/l1U3WeAmnmiRCLetw 6xVqC4EEmZTyqgk7ONac4OLtcoLIVqhosRiTLuralL3+2AbruyZBbmAHZ3Jb2JZDvG 4sUMyKl6c6hDdaBs4ZXoNL0QcwEIG/LMBzICJL2zeOnc3pgrwTjPOLauRWi+P8c0+w jr+b/P1a313VrbxzBTHARDTHszvlvlu9ycZA/xf8pvYep6XkpkAoqc45XOIRA+2LPF R4WaoCvHYwLRrKygWuIkmEK7btXl6BlwoeHbveW24INOaWs750zo7hubjCcvkyq0xf QEHC00b1qf3gg== 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-api@vger.kernel.org, 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 v4 5/6] nfs: report the inode version in statx if requested Date: Wed, 7 Sep 2022 07:33:17 -0400 Message-Id: <20220907113318.21810-6-jlayton@kernel.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220907113318.21810-1-jlayton@kernel.org> References: <20220907113318.21810-1-jlayton@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@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 | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index bea7c005119c..88c732a5c821 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -830,6 +830,8 @@ 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_INO_VERSION; return reply_mask; } @@ -848,7 +850,7 @@ int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path, request_mask &= STATX_TYPE | STATX_MODE | STATX_NLINK | STATX_UID | STATX_GID | STATX_ATIME | STATX_MTIME | STATX_CTIME | - STATX_INO | STATX_SIZE | STATX_BLOCKS; + STATX_INO | STATX_SIZE | STATX_BLOCKS | STATX_INO_VERSION; if ((query_flags & AT_STATX_DONT_SYNC) && !force_sync) { if (readdirplus_enabled) @@ -877,7 +879,7 @@ int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path, /* Is the user requesting attributes that might need revalidation? */ if (!(request_mask & (STATX_MODE|STATX_NLINK|STATX_ATIME|STATX_CTIME| STATX_MTIME|STATX_UID|STATX_GID| - STATX_SIZE|STATX_BLOCKS))) + STATX_SIZE|STATX_BLOCKS|STATX_INO_VERSION))) goto out_no_revalidate; /* Check whether the cached attributes are stale */ @@ -915,6 +917,7 @@ 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->ino_version = inode_peek_iversion_raw(inode); if (S_ISDIR(inode->i_mode)) stat->blksize = NFS_SERVER(inode)->dtsize; out: