From patchwork Fri May 20 14:43:50 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Adamson X-Patchwork-Id: 9129725 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 ED16B60467 for ; Fri, 20 May 2016 14:44:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E09461FF6C for ; Fri, 20 May 2016 14:44:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D57AE27B90; Fri, 20 May 2016 14:44:25 +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 8E2731FF6C for ; Fri, 20 May 2016 14:44:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754989AbcETOoY (ORCPT ); Fri, 20 May 2016 10:44:24 -0400 Received: from mx142.netapp.com ([216.240.21.19]:41109 "EHLO mx142.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752645AbcETOoX (ORCPT ); Fri, 20 May 2016 10:44:23 -0400 X-IronPort-AV: E=Sophos;i="5.26,339,1459839600"; d="scan'208";a="112144433" Received: from vmwexchts03-prd.hq.netapp.com ([10.122.105.31]) by mx142-out.netapp.com with ESMTP; 20 May 2016 07:44:23 -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 15.0.1156.6; Fri, 20 May 2016 07:44:18 -0700 Received: from localhost.localdomain (andros-new.vpn.netapp.com [10.55.78.52]) by smtp2.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id u4KEiIkW025979; Fri, 20 May 2016 07:44:22 -0700 (PDT) From: To: CC: , , , , Andy Adamson Subject: [PATCH Version 5 03/10] NFS refactor nfs4_check_serverowner_major_id Date: Fri, 20 May 2016 10:43:50 -0400 Message-ID: <1463755437-17649-4-git-send-email-andros@netapp.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1463755437-17649-1-git-send-email-andros@netapp.com> References: <1463755437-17649-1-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 c9177a4..98342fc 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