From patchwork Mon Feb 21 16:08:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Trond Myklebust X-Patchwork-Id: 12753873 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 C9E63C433F5 for ; Mon, 21 Feb 2022 16:18:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379997AbiBUQRv (ORCPT ); Mon, 21 Feb 2022 11:17:51 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:40132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379995AbiBUQPa (ORCPT ); Mon, 21 Feb 2022 11:15:30 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED85723BD4 for ; Mon, 21 Feb 2022 08:15:06 -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 990FAB81258 for ; Mon, 21 Feb 2022 16:15:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25984C340E9 for ; Mon, 21 Feb 2022 16:15:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1645460104; bh=XisaS5QIWRCnazYmX0T0WSJZm3m52nEkL8Rx78emNwc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=am5UT+4/nwGLKcIe4bW5QFN3ctAhNW7XZK7I3KxtknFxpFbZYV/9Qbtz7avRqtWGu NxHWXEgxVCteZ4Zi9psjo879218BDwd9dkl/7s3fjq7gL5HJW63hvmfnZn06lJGp2S tiO6hmPDj3hs5CnMuZbXse3+1JHVWKSn/ijUsq5knhF3dEBUYXLW70WYcU1WYHdQmv 0Hkxi+saQ4E0CMBWm5wwilIEupRiUc4jwDpbGHyYAoKGd8xSqRFw33xSw8J5pQHRbK L2W/HUb+6rdKRvY4UkSNl/GGcKVvZfNMCG82LXAQ6fmV0fGhGv7QiphWXFzHnaSH/b cHlpmSY9I012g== From: trondmy@kernel.org To: linux-nfs@vger.kernel.org Subject: [PATCH v6 12/13] NFS: Trace effects of readdirplus on the dcache Date: Mon, 21 Feb 2022 11:08:50 -0500 Message-Id: <20220221160851.15508-13-trondmy@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220221160851.15508-12-trondmy@kernel.org> References: <20220221160851.15508-1-trondmy@kernel.org> <20220221160851.15508-2-trondmy@kernel.org> <20220221160851.15508-3-trondmy@kernel.org> <20220221160851.15508-4-trondmy@kernel.org> <20220221160851.15508-5-trondmy@kernel.org> <20220221160851.15508-6-trondmy@kernel.org> <20220221160851.15508-7-trondmy@kernel.org> <20220221160851.15508-8-trondmy@kernel.org> <20220221160851.15508-9-trondmy@kernel.org> <20220221160851.15508-10-trondmy@kernel.org> <20220221160851.15508-11-trondmy@kernel.org> <20220221160851.15508-12-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 273a35851e42..bcbfe03e3835 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -725,8 +725,12 @@ 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; @@ -748,6 +752,7 @@ 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(