From patchwork Thu Sep 8 17:24:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 1675726 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org (client-ip=150.107.74.76; helo=gandalf.ozlabs.org; envelope-from=srs0=t0df=zl=vger.kernel.org=linux-ext4-owner@ozlabs.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=PoXh84IJ; dkim-atps=neutral Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4MNmH51dB2z1ynD for ; Fri, 9 Sep 2022 03:25:37 +1000 (AEST) Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4MNmH51VdMz4xYH for ; Fri, 9 Sep 2022 03:25:37 +1000 (AEST) Received: by gandalf.ozlabs.org (Postfix) id 4MNmH51SvCz4xYJ; Fri, 9 Sep 2022 03:25:37 +1000 (AEST) Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: gandalf.ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: gandalf.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: gandalf.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=PoXh84IJ; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4MNmH51QTMz4xYH for ; Fri, 9 Sep 2022 03:25:37 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232154AbiIHRZf (ORCPT ); Thu, 8 Sep 2022 13:25:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231727AbiIHRZJ (ORCPT ); Thu, 8 Sep 2022 13:25:09 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B33EEE09; 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 ams.source.kernel.org (Postfix) with ESMTPS id CFC7FB821DB; Thu, 8 Sep 2022 17:25:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7FFFFC433D7; Thu, 8 Sep 2022 17:25:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662657903; bh=/YNPcN4rxFONundBtrDqmkeT83g0yGiQLxW6cbtCzZs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PoXh84IJy2h+PNMrM5x9Knf84XPB0xhoBe5WwW1p0waOAbkwhaFzWLuk+tV8dFiKq /mHeSchZSF+vFafsXNnXHc64od8sRT1goGnykUFJPq+lshswdYAqzSwyxvAhhwUjCl avqBhRiL908xOsnuPDU5cXkFMZM4niUktu1g37OtvrTJPYXsmQ9IbDfD00XZCXCN2S mgHxHvJT3mA3+gbtwRFfhf6hnhnsdOmuX9nK1SnS+xRFKe/RgWDK2UBhuJAHQO3AAf gzkYcaSkRlckHLWt+ahQAj7l1jq62SyeQmQbjpUvLfDPyt29PBj3IPAlVmI7GSglg6 B8DOBxLBiHlAQ== 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 5/8] nfs: report the inode version in getattr if requested Date: Thu, 8 Sep 2022 13:24:45 -0400 Message-Id: <20220908172448.208585-6-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 X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Allow NFS to report the i_version in getattr requests. 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: