From patchwork Thu Sep 1 15:44:44 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Adamson X-Patchwork-Id: 9309351 X-Patchwork-Delegate: Trond.Myklebust@netapp.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 19D4760756 for ; Thu, 1 Sep 2016 15:46:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C00E129480 for ; Thu, 1 Sep 2016 15:46:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B4E0029487; Thu, 1 Sep 2016 15:46:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 618D329480 for ; Thu, 1 Sep 2016 15:46:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933138AbcIAPqm (ORCPT ); Thu, 1 Sep 2016 11:46:42 -0400 Received: from mx141.netapp.com ([216.240.21.12]:3489 "EHLO mx141.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932973AbcIAPql (ORCPT ); Thu, 1 Sep 2016 11:46:41 -0400 X-IronPort-AV: E=Sophos;i="5.30,268,1470726000"; d="scan'208";a="143978172" Received: from vmwexchts03-prd.hq.netapp.com ([10.122.105.31]) by mx141-out.netapp.com with ESMTP; 01 Sep 2016 08:46:40 -0700 Received: from smtp2.corp.netapp.com (10.57.159.114) by VMWEXCHTS03-PRD.hq.netapp.com (10.122.105.31) with Microsoft SMTP Server id 15.0.1210.3; Thu, 1 Sep 2016 08:46:37 -0700 Received: from rhel7-2-ga-2.androsad.fake (andros-new.vpn.netapp.com [10.55.76.232]) by smtp2.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id u81FkbhK021773; Thu, 1 Sep 2016 08:46:39 -0700 (PDT) From: To: CC: , , Andy Adamson Subject: [PATCH Version 9 RESEND 03/12] NFS refactor nfs4_check_serverowner_major_id Date: Thu, 1 Sep 2016 11:44:44 -0400 Message-ID: <1472744693-124241-4-git-send-email-andros@netapp.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1472744693-124241-1-git-send-email-andros@netapp.com> References: <1472744693-124241-1-git-send-email-andros@netapp.com> MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Andy Adamson For session trunking, to compare nfs41_exchange_id_res with existing nfs_client Signed-off-by: Andy Adamson --- fs/nfs/nfs4client.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index d77a1ad..f356d50 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -578,17 +578,15 @@ static bool nfs4_match_clientids(u64 a, u64 b) * Returns true if the server major ids match */ static bool -nfs4_check_clientid_trunking(struct nfs_client *a, struct nfs_client *b) +nfs4_check_serverowner_major_id(struct nfs41_server_owner *o1, + struct nfs41_server_owner *o2) { - struct nfs41_server_owner *o1 = a->cl_serverowner; - struct nfs41_server_owner *o2 = b->cl_serverowner; - if (o1->major_id_sz != o2->major_id_sz) goto out_major_mismatch; if (memcmp(o1->major_id, o2->major_id, o1->major_id_sz) != 0) goto out_major_mismatch; - dprintk("NFS: --> %s server owners match\n", __func__); + dprintk("NFS: --> %s server owner major IDs match\n", __func__); return true; out_major_mismatch: @@ -658,7 +656,8 @@ int nfs41_walk_client_list(struct nfs_client *new, * client id trunking. In either case, we want to fall back * to using the existing nfs_client. */ - if (!nfs4_check_clientid_trunking(pos, new)) + if (!nfs4_check_serverowner_major_id(pos->cl_serverowner, + new->cl_serverowner)) continue; /* Unlike NFSv4.0, we know that NFSv4.1 always uses the