From patchwork Wed Jul 25 12:56:43 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislav Kinsbursky X-Patchwork-Id: 1237611 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 9AA333FD4F for ; Wed, 25 Jul 2012 13:00:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756797Ab2GYM6J (ORCPT ); Wed, 25 Jul 2012 08:58:09 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:5037 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756366Ab2GYM6H (ORCPT ); Wed, 25 Jul 2012 08:58:07 -0400 Received: from localhost.localdomain ([10.30.21.131]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id q6PCvu7c014940; Wed, 25 Jul 2012 16:57:57 +0400 (MSK) Subject: [PATCH v2 07/15] LockD: manage grace period per network namespace To: bfields@fieldses.org From: Stanislav Kinsbursky Cc: linux-nfs@vger.kernel.org, Trond.Myklebust@netapp.com, linux-kernel@vger.kernel.org, devel@openvz.org Date: Wed, 25 Jul 2012 16:56:43 +0400 Message-ID: <20120725125643.24376.68151.stgit@localhost.localdomain> In-Reply-To: <20120725125258.24376.82525.stgit@localhost.localdomain> References: <20120725125258.24376.82525.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 Signed-off-by: Stanislav Kinsbursky --- fs/lockd/netns.h | 2 ++ fs/lockd/svc.c | 17 +++++++++++------ 2 files changed, 13 insertions(+), 6 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/lockd/netns.h b/fs/lockd/netns.h index 44c8f0b..94653ae 100644 --- a/fs/lockd/netns.h +++ b/fs/lockd/netns.h @@ -7,6 +7,8 @@ struct lockd_net { unsigned int nlmsvc_users; unsigned long next_gc; unsigned long nrhosts; + + struct delayed_work grace_period_end; }; extern int lockd_net_id; diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 80938fd..70c4177 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -95,21 +95,22 @@ static void grace_ender(struct work_struct *not_used) locks_end_grace(&lockd_manager); } -static DECLARE_DELAYED_WORK(grace_period_end, grace_ender); - static void set_grace_period(void) { unsigned long grace_period = get_lockd_grace_period(); + struct lockd_net *ln = net_generic(&init_net, lockd_net_id); locks_start_grace(&lockd_manager); - cancel_delayed_work_sync(&grace_period_end); - schedule_delayed_work(&grace_period_end, grace_period); + cancel_delayed_work_sync(&ln->grace_period_end); + schedule_delayed_work(&ln->grace_period_end, grace_period); } static void restart_grace(void) { if (nlmsvc_ops) { - cancel_delayed_work_sync(&grace_period_end); + struct lockd_net *ln = net_generic(&init_net, lockd_net_id); + + cancel_delayed_work_sync(&ln->grace_period_end); locks_end_grace(&lockd_manager); nlmsvc_invalidate_all(); set_grace_period(); @@ -124,6 +125,7 @@ lockd(void *vrqstp) { int err = 0, preverr = 0; struct svc_rqst *rqstp = vrqstp; + struct lockd_net *ln = net_generic(&init_net, lockd_net_id); /* try_to_freeze() is called from svc_recv() */ set_freezable(); @@ -184,7 +186,7 @@ lockd(void *vrqstp) svc_process(rqstp); } flush_signals(current); - cancel_delayed_work_sync(&grace_period_end); + cancel_delayed_work_sync(&ln->grace_period_end); locks_end_grace(&lockd_manager); if (nlmsvc_ops) nlmsvc_invalidate_all(); @@ -589,6 +591,9 @@ module_param(nlm_max_connections, uint, 0644); static int lockd_init_net(struct net *net) { + struct lockd_net *ln = net_generic(net, lockd_net_id); + + INIT_DELAYED_WORK(&ln->grace_period_end, grace_ender); return 0; }