From patchwork Thu Dec 6 11:23:34 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislav Kinsbursky X-Patchwork-Id: 1844601 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 0B6F13FCA5 for ; Thu, 6 Dec 2012 11:23:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423209Ab2LFLXG (ORCPT ); Thu, 6 Dec 2012 06:23:06 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:20237 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423191Ab2LFLXB (ORCPT ); Thu, 6 Dec 2012 06:23:01 -0500 Received: from localhost.localdomain ([10.30.21.131]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id qB6BMtWQ006101; Thu, 6 Dec 2012 15:22:55 +0400 (MSK) Subject: [PATCH 6/8] nfsd: simplify NFSv4 state init and shutdown To: bfields@fieldses.org From: Stanislav Kinsbursky Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, devel@openvz.org Date: Thu, 06 Dec 2012 14:23:34 +0300 Message-ID: <20121206112334.29559.58420.stgit@localhost.localdomain> In-Reply-To: <20121206111903.29559.4853.stgit@localhost.localdomain> References: <20121206111903.29559.4853.stgit@localhost.localdomain> User-Agent: StGit/0.16 MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org This patch moves nfsd_startup_generic() and nfsd_shutdown_generic() calls to nfsd_startup_net() and nfsd_shutdown_net() respectively, which allow to call nfsd_startup_net() instead of nfsd_startup() and makes code looks clearer. It alos modifies nfsd_svc() and nfsd_shutdown() to check for nn->nfsd_net_up variable instead of global nfsd_up. Last one is now used only generic resources shutdown and currently useless. But it will replaced by NFSd users counter later in this series. Signed-off-by: Stanislav Kinsbursky --- fs/nfsd/nfssvc.c | 44 +++++++++++++++----------------------------- 1 files changed, 15 insertions(+), 29 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index f9d147f..0c87b4e 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -235,9 +235,10 @@ static void nfsd_shutdown_generic(void) { nfs4_state_shutdown(); nfsd_racache_shutdown(); + nfsd_up = false; } -static int nfsd_startup_net(struct net *net) +static int nfsd_startup_net(int nrservs, struct net *net) { struct nfsd_net *nn = net_generic(net, nfsd_net_id); int ret; @@ -245,39 +246,26 @@ static int nfsd_startup_net(struct net *net) if (nn->nfsd_net_up) return 0; - ret = nfsd_init_socks(net); + ret = nfsd_startup_generic(nrservs); if (ret) return ret; + ret = nfsd_init_socks(net); + if (ret) + goto out_socks; ret = lockd_up(net); if (ret) - return ret; + goto out_socks; ret = nfs4_state_start_net(net); if (ret) goto out_lockd; nn->nfsd_net_up = true; + nfsd_up = true; return 0; out_lockd: lockd_down(net); - return ret; -} - -static int nfsd_startup(int nrservs, struct net *net) -{ - int ret; - - ret = nfsd_startup_generic(nrservs); - if (ret) - return ret; - ret = nfsd_startup_net(net); - if (ret) - goto out_net; - - nfsd_up = true; - return 0; - -out_net: +out_socks: nfsd_shutdown_generic(); return ret; } @@ -286,27 +274,25 @@ static void nfsd_shutdown_net(struct net *net) { struct nfsd_net *nn = net_generic(net, nfsd_net_id); - if (!nn->nfsd_net_up) - return; - nfs4_state_shutdown_net(net); lockd_down(net); nn->nfsd_net_up = false; + nfsd_shutdown_generic(); } static void nfsd_shutdown(struct net *net) { + struct nfsd_net *nn = net_generic(net, nfsd_net_id); + /* * write_ports can create the server without actually starting * any threads--if we get shut down before any threads are * started, then nfsd_last_thread will be run before any of this * other initialization has been done. */ - if (!nfsd_up) + if (!nn->nfsd_net_up) return; nfsd_shutdown_net(net); - nfsd_shutdown_generic(); - nfsd_up = false; } static void nfsd_last_thread(struct svc_serv *serv, struct net *net) @@ -528,9 +514,9 @@ nfsd_svc(int nrservs, struct net *net) if (error) goto out; - nfsd_up_before = nfsd_up; + nfsd_up_before = nn->nfsd_net_up; - error = nfsd_startup(nrservs, net); + error = nfsd_startup_net(nrservs, net); if (error) goto out_destroy; error = svc_set_num_threads(nn->nfsd_serv, NULL, nrservs);