From patchwork Sun Feb 27 23:12:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Trond Myklebust X-Patchwork-Id: 12762213 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 AA692C433EF for ; Sun, 27 Feb 2022 23:18:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232208AbiB0XTX (ORCPT ); Sun, 27 Feb 2022 18:19:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42908 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232209AbiB0XTV (ORCPT ); Sun, 27 Feb 2022 18:19:21 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9065322501 for ; Sun, 27 Feb 2022 15:18:44 -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 3F62BB80B9D for ; Sun, 27 Feb 2022 23:18:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AE49DC340F0 for ; Sun, 27 Feb 2022 23:18:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1646003921; bh=84VHW+MjK2MciFRF+fkIQr8sxCTgy6uTxEIxU/lNyJE=; h=From:To:Subject:Date:In-Reply-To:References:From; b=N4RrRIWXAruSmtoR5NAM6Qz9ril7NRAfg1r0hnjhWDxP2bbNygHsiLpYWE/2d6zIn IwxmoDDbuYeCxzmf5PH9ZxCLiZ5LTUer1F+1iiN0bgyUqyTka4kYR0B5SOhaEQ9Z6j Txl9SGsnY/dImBTFykm4Dtu0Hp1UPaEeZh1MpdNkx47sbPM2SZ4HxdsqfE6cbL8zX9 lLh3/3HpMuCRzfjTGcsmt9iSg2ZmBSojVt6igBOkDuiAl0KEjvaUqII9AzB90WQbn0 z3RSq27wBTrF1ydLvrK8SfnoMsK9Jxn163G3E2d8Jr5P3NzwEkHpvIslCbyFriUz8r lCjRi/QwCAW4w== From: trondmy@kernel.org To: linux-nfs@vger.kernel.org Subject: [PATCH v9 20/27] NFS: Trace effects of readdirplus on the dcache Date: Sun, 27 Feb 2022 18:12:20 -0500 Message-Id: <20220227231227.9038-21-trondmy@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220227231227.9038-20-trondmy@kernel.org> References: <20220227231227.9038-1-trondmy@kernel.org> <20220227231227.9038-2-trondmy@kernel.org> <20220227231227.9038-3-trondmy@kernel.org> <20220227231227.9038-4-trondmy@kernel.org> <20220227231227.9038-5-trondmy@kernel.org> <20220227231227.9038-6-trondmy@kernel.org> <20220227231227.9038-7-trondmy@kernel.org> <20220227231227.9038-8-trondmy@kernel.org> <20220227231227.9038-9-trondmy@kernel.org> <20220227231227.9038-10-trondmy@kernel.org> <20220227231227.9038-11-trondmy@kernel.org> <20220227231227.9038-12-trondmy@kernel.org> <20220227231227.9038-13-trondmy@kernel.org> <20220227231227.9038-14-trondmy@kernel.org> <20220227231227.9038-15-trondmy@kernel.org> <20220227231227.9038-16-trondmy@kernel.org> <20220227231227.9038-17-trondmy@kernel.org> <20220227231227.9038-18-trondmy@kernel.org> <20220227231227.9038-19-trondmy@kernel.org> <20220227231227.9038-20-trondmy@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Trond Myklebust Trace the effects of readdirplus on attribute and dentry revalidation. Signed-off-by: Trond Myklebust --- fs/nfs/dir.c | 5 +++++ fs/nfs/nfstrace.h | 3 +++ 2 files changed, 8 insertions(+) diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 0dda082610cc..9a2415b5be73 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -752,8 +752,12 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry, status = nfs_refresh_inode(d_inode(dentry), entry->fattr); if (!status) nfs_setsecurity(d_inode(dentry), entry->fattr); + trace_nfs_readdir_lookup_revalidate(d_inode(parent), + dentry, 0, status); goto out; } else { + trace_nfs_readdir_lookup_revalidate_failed( + d_inode(parent), dentry, 0); d_invalidate(dentry); dput(dentry); dentry = NULL; @@ -775,6 +779,7 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry, dentry = alias; } nfs_set_verifier(dentry, dir_verifier); + trace_nfs_readdir_lookup(d_inode(parent), dentry, 0); out: dput(dentry); } diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h index c2d0543ecb2d..7c1102b991d0 100644 --- a/fs/nfs/nfstrace.h +++ b/fs/nfs/nfstrace.h @@ -432,6 +432,9 @@ DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_enter); DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_exit); DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_revalidate_enter); DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_revalidate_exit); +DEFINE_NFS_LOOKUP_EVENT(nfs_readdir_lookup); +DEFINE_NFS_LOOKUP_EVENT(nfs_readdir_lookup_revalidate_failed); +DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_readdir_lookup_revalidate); TRACE_EVENT(nfs_atomic_open_enter, TP_PROTO(