From patchwork Tue Jul 10 16:16:09 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan Schumaker X-Patchwork-Id: 1178361 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 5CC18DFF34 for ; Tue, 10 Jul 2012 16:16:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751869Ab2GJQQY (ORCPT ); Tue, 10 Jul 2012 12:16:24 -0400 Received: from mx2.netapp.com ([216.240.18.37]:20498 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751475Ab2GJQQV (ORCPT ); Tue, 10 Jul 2012 12:16:21 -0400 X-IronPort-AV: E=Sophos;i="4.77,560,1336374000"; d="scan'208";a="661169802" Received: from smtp2.corp.netapp.com ([10.57.159.114]) by mx2-out.netapp.com with ESMTP; 10 Jul 2012 09:16:21 -0700 Received: from davros.hq.netapp.com (davros.hq.netapp.com [10.63.232.143]) by smtp2.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id q6AGGHbk006585; Tue, 10 Jul 2012 09:16:21 -0700 (PDT) From: bjschuma@netapp.com To: Trond.Myklebust@netapp.com Cc: linux-nfs@vger.kernel.org Subject: [PATCH 04/12] NFS: Create an init_nfs_v4() function Date: Tue, 10 Jul 2012 12:16:09 -0400 Message-Id: <1341936977-21186-5-git-send-email-bjschuma@netapp.com> X-Mailer: git-send-email 1.7.11.1 In-Reply-To: <1341936977-21186-1-git-send-email-bjschuma@netapp.com> References: <1341936977-21186-1-git-send-email-bjschuma@netapp.com> Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Bryan Schumaker I want to initialize all of NFS v4 in a single function that will eventually be used as the v4 module init function. Signed-off-by: Bryan Schumaker --- fs/nfs/Makefile | 2 +- fs/nfs/inode.c | 67 ++++++++++++++++++++++++++++++------------------------ fs/nfs/nfs4_fs.h | 4 ++++ fs/nfs/nfs4super.c | 23 +++++++++++++++++++ 4 files changed, 65 insertions(+), 31 deletions(-) create mode 100644 fs/nfs/nfs4super.c diff --git a/fs/nfs/Makefile b/fs/nfs/Makefile index 7ddd45d..162a699 100644 --- a/fs/nfs/Makefile +++ b/fs/nfs/Makefile @@ -13,7 +13,7 @@ nfs-$(CONFIG_NFS_V2) += proc.o nfs2xdr.o nfs-$(CONFIG_NFS_V3) += nfs3proc.o nfs3xdr.o nfs-$(CONFIG_NFS_V3_ACL) += nfs3acl.o nfs-$(CONFIG_NFS_V4) += nfs4proc.o nfs4xdr.o nfs4state.o nfs4renewd.o \ - delegation.o idmap.o \ + nfs4super.o delegation.o idmap.o \ callback.o callback_xdr.o callback_proc.o \ nfs4namespace.o nfs-$(CONFIG_NFS_V4_1) += pnfs.o pnfs_dev.o diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 28c9ebb..35f7e4b 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -32,7 +32,6 @@ #include #include #include -#include #include #include #include @@ -1628,87 +1627,96 @@ static int __init init_nfs_fs(void) { int err; - err = nfs_idmap_init(); - if (err < 0) - goto out10; - err = nfs_dns_resolver_init(); if (err < 0) - goto out9; + goto out11; err = register_pernet_subsys(&nfs_net_ops); if (err < 0) - goto out8; + goto out10; err = nfs_fscache_register(); if (err < 0) - goto out7; + goto out9; err = nfsiod_start(); if (err) - goto out6; + goto out8; err = nfs_fs_proc_init(); if (err) - goto out5; + goto out7; err = nfs_init_nfspagecache(); if (err) - goto out4; + goto out6; err = nfs_init_inodecache(); if (err) - goto out3; + goto out5; err = nfs_init_readpagecache(); if (err) - goto out2; + goto out4; err = nfs_init_writepagecache(); if (err) - goto out1; + goto out3; err = nfs_init_directcache(); if (err) - goto out0; + goto out2; #ifdef CONFIG_PROC_FS rpc_proc_register(&init_net, &nfs_rpcstat); #endif + +#ifdef CONFIG_NFS_V4 + err = init_nfs_v4(); + if (err) + goto out1; +#endif + if ((err = register_nfs_fs()) != 0) - goto out; + goto out0; + return 0; -out: +out0: +#ifdef CONFIG_NFS_V4 + exit_nfs_v4(); +out1: +#endif #ifdef CONFIG_PROC_FS rpc_proc_unregister(&init_net, "nfs"); #endif nfs_destroy_directcache(); -out0: - nfs_destroy_writepagecache(); -out1: - nfs_destroy_readpagecache(); out2: - nfs_destroy_inodecache(); + nfs_destroy_writepagecache(); out3: - nfs_destroy_nfspagecache(); + nfs_destroy_readpagecache(); out4: - nfs_fs_proc_exit(); + nfs_destroy_inodecache(); out5: - nfsiod_stop(); + nfs_destroy_nfspagecache(); out6: - nfs_fscache_unregister(); + nfs_fs_proc_exit(); out7: - unregister_pernet_subsys(&nfs_net_ops); + nfsiod_stop(); out8: - nfs_dns_resolver_destroy(); + nfs_fscache_unregister(); out9: - nfs_idmap_quit(); + unregister_pernet_subsys(&nfs_net_ops); out10: + nfs_dns_resolver_destroy(); +out11: return err; } static void __exit exit_nfs_fs(void) { +#ifdef CONFIG_NFS_V4 + exit_nfs_v4(); +#endif nfs_destroy_directcache(); nfs_destroy_writepagecache(); nfs_destroy_readpagecache(); @@ -1717,7 +1725,6 @@ static void __exit exit_nfs_fs(void) nfs_fscache_unregister(); unregister_pernet_subsys(&nfs_net_ops); nfs_dns_resolver_destroy(); - nfs_idmap_quit(); #ifdef CONFIG_PROC_FS rpc_proc_unregister(&init_net, "nfs"); #endif diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index b610c7e..a42278f 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -364,6 +364,10 @@ extern void nfs4_free_lock_state(struct nfs_server *server, struct nfs4_lock_sta extern const nfs4_stateid zero_stateid; +/* nfs4super.c */ +int init_nfs_v4(void); +void exit_nfs_v4(void); + /* nfs4xdr.c */ extern struct rpc_procinfo nfs4_procedures[]; diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c new file mode 100644 index 0000000..366e414 --- /dev/null +++ b/fs/nfs/nfs4super.c @@ -0,0 +1,23 @@ +/* + * Copyright (c) 2012 Bryan Schumaker + */ +#include +#include + +int __init init_nfs_v4(void) +{ + int err; + + err = nfs_idmap_init(); + if (err) + goto out; + + return 0; +out: + return err; +} + +void __exit exit_nfs_v4(void) +{ + nfs_idmap_quit(); +}