From patchwork Fri Jul 8 18:25:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever X-Patchwork-Id: 12911690 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 B7D73C433EF for ; Fri, 8 Jul 2022 18:26:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239574AbiGHS0i (ORCPT ); Fri, 8 Jul 2022 14:26:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239569AbiGHS00 (ORCPT ); Fri, 8 Jul 2022 14:26:26 -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 35ED2951F2; Fri, 8 Jul 2022 11:26:06 -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 5B96EB82925; Fri, 8 Jul 2022 18:25:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A6964C341C0; Fri, 8 Jul 2022 18:25:51 +0000 (UTC) Subject: [PATCH v3 20/32] NFSD: nfsd_file_unhash can compute hashval from nf->nf_inode From: Chuck Lever To: linux-nfs@vger.kernel.org, netdev@vger.kernel.org Cc: david@fromorbit.com, jlayton@redhat.com, tgraf@suug.ch Date: Fri, 08 Jul 2022 14:25:50 -0400 Message-ID: <165730475060.28142.14726346523030574955.stgit@klimt.1015granger.net> In-Reply-To: <165730437087.28142.6731645688073512500.stgit@klimt.1015granger.net> References: <165730437087.28142.6731645688073512500.stgit@klimt.1015granger.net> User-Agent: StGit/1.5.dev3+g9561319 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Remove an unnecessary usage of nf_hashval. Signed-off-by: Chuck Lever --- fs/nfsd/filecache.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 278a13d85e8f..4143898fff37 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -279,13 +279,17 @@ static void nfsd_file_lru_remove(struct nfsd_file *nf) static void nfsd_file_do_unhash(struct nfsd_file *nf) { - lockdep_assert_held(&nfsd_file_hashtbl[nf->nf_hashval].nfb_lock); + struct inode *inode = nf->nf_inode; + unsigned int hashval = (unsigned int)hash_long(inode->i_ino, + NFSD_FILE_HASH_BITS); + + lockdep_assert_held(&nfsd_file_hashtbl[hashval].nfb_lock); trace_nfsd_file_unhash(nf); if (nfsd_file_check_write_error(nf)) nfsd_reset_write_verifier(net_generic(nf->nf_net, nfsd_net_id)); - --nfsd_file_hashtbl[nf->nf_hashval].nfb_count; + --nfsd_file_hashtbl[hashval].nfb_count; hlist_del_rcu(&nf->nf_node); atomic_long_dec(&nfsd_filecache_count); }