Message ID | 20181219155912.11602.87201.stgit@manet.1015granger.net (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-nfs-owner@kernel.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 39D3614E2 for <patchwork-linux-nfs@patchwork.kernel.org>; Wed, 19 Dec 2018 15:59:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2A7732B434 for <patchwork-linux-nfs@patchwork.kernel.org>; Wed, 19 Dec 2018 15:59:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1ED682B437; Wed, 19 Dec 2018 15:59:16 +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=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable 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 C927F2B4BE for <patchwork-linux-nfs@patchwork.kernel.org>; Wed, 19 Dec 2018 15:59:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729408AbeLSP7P (ORCPT <rfc822;patchwork-linux-nfs@patchwork.kernel.org>); Wed, 19 Dec 2018 10:59:15 -0500 Received: from mail-it1-f170.google.com ([209.85.166.170]:55496 "EHLO mail-it1-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727829AbeLSP7P (ORCPT <rfc822;linux-nfs@vger.kernel.org>); Wed, 19 Dec 2018 10:59:15 -0500 Received: by mail-it1-f170.google.com with SMTP id m62so10359383ith.5; Wed, 19 Dec 2018 07:59:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:from:to:cc:date:message-id:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=Tke2KOJ89T4vcbDVIGt35hCRU2JIcQsMOR9LJ34omWk=; b=Y9D1iII7K9ZCQYP8u3f00lqVSzYiJV0UIO6OK3NRq5pTULlG7ALDKudtKKHjMzzn4b USDULsDnMlDV364nksli2oqMYL/7uqWnSRyywychrPiOwr1gA3lHl190/Ytb4isd3Dnw atUPEEqXkIHbSqKJNWRIViaLh2ILhHFwHZO6I62R3gEcaQKf5H6pMG9vZ7bZ7PCi2H28 uVOM2n1xQR2IiOJFQyMhqWHg8D4PoGHsEIr/bkZBR7L3rJ6MZv3To9vGcfWCzlp0YgDC JjTnQdowVBgXnV3DmZu+0KYxpe0/1CkuOyQkulCYNBIGrtyDRa6Ho+bgZKCPSiZ3UQ9c gWFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:from:to:cc:date:message-id :in-reply-to:references:user-agent:mime-version :content-transfer-encoding; bh=Tke2KOJ89T4vcbDVIGt35hCRU2JIcQsMOR9LJ34omWk=; b=jken/hNiMtfRCzk8K1/WP7Lwwgp/lmZ8xu3RY1m9krEvHIcP3dZZp3SADfuNSfs3V5 uBsh3plEZRdCJkLQPreLcuG35CkCpl/Kp+9IPclihDJiUms0l1zHtd++8ShPplrQB8yh HIlgqJ5o+0a0wdQPkRSd6Q0Hjd2ZBfjcdNVZlhZhFnUzbIKhiKwgXDZHX13dJk6leCfA pF3wWWTMWq5Y1yZubbdy4IE0nrh/hy/6lN6FCwTN5BvHcj0zSAxO3Rynza22Xd+DP+a3 XFDEF/LmA+Jdc31GDTqDsXp/fQjDz0e3MWBSEViRD0NOtiMS7EZBMNpkaV8duyUksxF0 TlAQ== X-Gm-Message-State: AA+aEWbr1lznSUBwJzb3Rm+PbQA7GQimTSoxT8IlXakIoyZbziQjtda1 1NqhXRpD/Baj4KCSRchLyBcD371T X-Google-Smtp-Source: AFSGD/UMtlVH7RDjEi4niC6BnMIIKpG2u0q4pHswQ7vKRTWFJ3Gu/kxsg9DWBdbjtwWuf+IiYgqO3w== X-Received: by 2002:a05:660c:74b:: with SMTP id a11mr6885696itl.27.1545235153930; Wed, 19 Dec 2018 07:59:13 -0800 (PST) Received: from gateway.1015granger.net (c-68-61-232-219.hsd1.mi.comcast.net. [68.61.232.219]) by smtp.gmail.com with ESMTPSA id j8sm3320894itb.30.2018.12.19.07.59.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 19 Dec 2018 07:59:13 -0800 (PST) Received: from manet.1015granger.net (manet.1015granger.net [192.168.1.51]) by gateway.1015granger.net (8.14.7/8.14.7) with ESMTP id wBJFxCmH025792; Wed, 19 Dec 2018 15:59:12 GMT Subject: [PATCH v5 12/30] NFS: Make "port=" mount option optional for RDMA mounts From: Chuck Lever <chuck.lever@oracle.com> To: anna.schumaker@netapp.com Cc: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org Date: Wed, 19 Dec 2018 10:59:12 -0500 Message-ID: <20181219155912.11602.87201.stgit@manet.1015granger.net> In-Reply-To: <20181219155152.11602.18605.stgit@manet.1015granger.net> References: <20181219155152.11602.18605.stgit@manet.1015granger.net> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: <linux-nfs.vger.kernel.org> X-Mailing-List: linux-nfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
NFS/RDMA client for next (4.21)
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expand
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diff --git a/fs/nfs/super.c b/fs/nfs/super.c index ac4b2f0..22247c2 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2168,7 +2168,10 @@ static int nfs_validate_text_mount_data(void *options, if (args->version == 4) { #if IS_ENABLED(CONFIG_NFS_V4) - port = NFS_PORT; + if (args->nfs_server.protocol == XPRT_TRANSPORT_RDMA) + port = NFS_RDMA_PORT; + else + port = NFS_PORT; max_namelen = NFS4_MAXNAMLEN; max_pathlen = NFS4_MAXPATHLEN; nfs_validate_transport_protocol(args); @@ -2178,8 +2181,11 @@ static int nfs_validate_text_mount_data(void *options, #else goto out_v4_not_compiled; #endif /* CONFIG_NFS_V4 */ - } else + } else { nfs_set_mount_transport_protocol(args); + if (args->nfs_server.protocol == XPRT_TRANSPORT_RDMA) + port = NFS_RDMA_PORT; + } nfs_set_port(sap, &args->nfs_server.port, port);
Having to specify "proto=rdma,port=20049" is cumbersome. RFC 8267 Section 6.3 requires NFSv4 clients to use "the alternative well-known port number", which is 20049. Make the use of the well- known port number automatic, just as it is for NFS/TCP and port 2049. For NFSv2/3, Section 4.2 allows clients to simply choose 20049 as the default or use rpcbind. I don't know of an NFS/RDMA server implementation that registers it's NFS/RDMA service with rpcbind, so automatically choosing 20049 seems like the better choice. The other widely-deployed NFS/RDMA client, Solaris, also uses 20049 as the default port. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> --- fs/nfs/super.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)