From patchwork Tue Apr 2 21:45:56 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steve Dickson X-Patchwork-Id: 2380521 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 42463DF2A1 for ; Tue, 2 Apr 2013 21:46:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932743Ab3DBVqV (ORCPT ); Tue, 2 Apr 2013 17:46:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:64406 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932593Ab3DBVqS (ORCPT ); Tue, 2 Apr 2013 17:46:18 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r32LkGMc015542 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 2 Apr 2013 17:46:16 -0400 Received: from bighat.boston.devel.redhat.com ([10.16.60.55]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id r32Lk15U011003; Tue, 2 Apr 2013 17:46:15 -0400 From: Steve Dickson To: Trond Myklebust , "J. Bruce Fields" , "David P. Quigley" Cc: Linux NFS list , Linux FS devel list , Linux Security List , SELinux List Subject: [PATCH 15/19] NFSv4.2: Added NFS v4.2 support to the NFS client Date: Tue, 2 Apr 2013 17:45:56 -0400 Message-Id: <1364939160-20874-16-git-send-email-SteveD@redhat.com> In-Reply-To: <1364939160-20874-1-git-send-email-SteveD@redhat.com> References: <1364939160-20874-1-git-send-email-SteveD@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Steve Dickson This enable NFSv4.2 support. To enable this code the CONFIG_NFS_V4_2 Kconfig define needs to be set and the -o v4.2 mount option need to be used. Signed-off-by: Steve Dickson --- fs/nfs/Kconfig | 12 +++++++++++- fs/nfs/callback.c | 1 + fs/nfs/nfs4client.c | 5 +++++ fs/nfs/nfs4proc.c | 15 +++++++++++++++ fs/nfs/super.c | 7 ++++++- include/linux/nfs4.h | 4 ++++ 6 files changed, 42 insertions(+), 2 deletions(-) diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig index 3861a1f..b80754b 100644 --- a/fs/nfs/Kconfig +++ b/fs/nfs/Kconfig @@ -104,6 +104,16 @@ config NFS_V4_1 If unsure, say N. +config NFS_V4_2 + bool "NFS client support for NFSv4.2" + depends on NFS_V4_1 + select NFS_V4_SECURITY_LABEL + help + This option enables support for minor version 1 of the NFSv4 protocol + in the kernel's NFS client. + + If unsure, say N. + config PNFS_FILE_LAYOUT tristate depends on NFS_V4_1 @@ -133,7 +143,7 @@ config NFS_V4_1_IMPLEMENTATION_ID_DOMAIN config NFS_V4_SECURITY_LABEL bool "Provide Security Label support for NFSv4 client" - depends on NFS_V4 && SECURITY + depends on NFS_V4_2 && SECURITY help Say Y here if you want enable fine-grained security label attribute diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index 5088b57..cb35747 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -279,6 +279,7 @@ static int nfs_callback_up_net(int minorversion, struct svc_serv *serv, struct n ret = nfs4_callback_up_net(serv, net); break; case 1: + case 2: ret = nfs41_callback_up_net(serv, net); break; default: diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index ac4fc9a..30c70a4 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -66,6 +66,11 @@ struct nfs_client *nfs4_alloc_client(const struct nfs_client_initdata *cl_init) if (err) goto error; + if (cl_init->minorversion > NFS4_MAX_MINOR_VERSION) { + err = -EINVAL; + goto error; + } + spin_lock_init(&clp->cl_lock); INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state); rpc_init_wait_queue(&clp->cl_rpcwaitq, "NFS client"); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index cd3b02e..b7eae1e 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -7185,11 +7185,26 @@ static const struct nfs4_minor_version_ops nfs_v4_1_minor_ops = { }; #endif +#if defined(CONFIG_NFS_V4_2) +static const struct nfs4_minor_version_ops nfs_v4_2_minor_ops = { + .minor_version = 2, + .call_sync = nfs4_call_sync_sequence, + .match_stateid = nfs41_match_stateid, + .find_root_sec = nfs41_find_root_sec, + .reboot_recovery_ops = &nfs41_reboot_recovery_ops, + .nograce_recovery_ops = &nfs41_nograce_recovery_ops, + .state_renewal_ops = &nfs41_state_renewal_ops, +}; +#endif + const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] = { [0] = &nfs_v4_0_minor_ops, #if defined(CONFIG_NFS_V4_1) [1] = &nfs_v4_1_minor_ops, #endif +#if defined(CONFIG_NFS_V4_2) + [2] = &nfs_v4_2_minor_ops, +#endif }; const struct inode_operations nfs4_dir_inode_operations = { diff --git a/fs/nfs/super.c b/fs/nfs/super.c index d08a783..68c42be 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -269,7 +269,7 @@ static match_table_t nfs_local_lock_tokens = { enum { Opt_vers_2, Opt_vers_3, Opt_vers_4, Opt_vers_4_0, - Opt_vers_4_1, + Opt_vers_4_1, Opt_vers_4_2, Opt_vers_err }; @@ -280,6 +280,7 @@ static match_table_t nfs_vers_tokens = { { Opt_vers_4, "4" }, { Opt_vers_4_0, "4.0" }, { Opt_vers_4_1, "4.1" }, + { Opt_vers_4_2, "4.2" }, { Opt_vers_err, NULL } }; @@ -1098,6 +1099,10 @@ static int nfs_parse_version_string(char *string, mnt->version = 4; mnt->minorversion = 1; break; + case Opt_vers_4_2: + mnt->version = 4; + mnt->minorversion = 2; + break; default: return 0; } diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index 650a678..445792a 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -398,11 +398,15 @@ enum lock_type4 { #define NFS4_VERSION 4 #define NFS4_MINOR_VERSION 0 +#if defined(CONFIG_NFS_V4_2) +#define NFS4_MAX_MINOR_VERSION 2 +#else #if defined(CONFIG_NFS_V4_1) #define NFS4_MAX_MINOR_VERSION 1 #else #define NFS4_MAX_MINOR_VERSION 0 #endif /* CONFIG_NFS_V4_1 */ +#endif /* CONFIG_NFS_V4_2 */ #define NFS4_DEBUG 1