From patchwork Mon Nov 6 13:23:24 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasily Averin X-Patchwork-Id: 10043443 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BC885602BF for ; Mon, 6 Nov 2017 13:23:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B459B29C84 for ; Mon, 6 Nov 2017 13:23:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A95C829C89; Mon, 6 Nov 2017 13:23:30 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham 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 31B4D29C84 for ; Mon, 6 Nov 2017 13:23:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752793AbdKFNX2 (ORCPT ); Mon, 6 Nov 2017 08:23:28 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:17921 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752591AbdKFNX2 (ORCPT ); Mon, 6 Nov 2017 08:23:28 -0500 Received: from [172.16.24.21] (msk-vpn.virtuozzo.com [195.214.232.6]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id vA6DNONG009605; Mon, 6 Nov 2017 16:23:24 +0300 (MSK) From: Vasily Averin Subject: [PATCH v3 02/21] lockd: added cleanup checks in exit_net hook To: netdev@vger.kernel.org Cc: "J. Bruce Fields" , Jeff Layton , "linux-nfs@vger.kernel.org" References: <4fdc4264-e338-6ee8-a662-7d98b45733a1@virtuozzo.com> Message-ID: Date: Mon, 6 Nov 2017 16:23:24 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <4fdc4264-e338-6ee8-a662-7d98b45733a1@virtuozzo.com> Content-Language: en-US Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Vasily Averin --- fs/lockd/svc.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 809cbcc..2a48558 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -690,6 +690,17 @@ static int lockd_init_net(struct net *net) static void lockd_exit_net(struct net *net) { + struct lockd_net *ln = net_generic(net, lockd_net_id); + + WARN_ONCE(!list_empty(&ln->lockd_manager.list), + "net %x %s: lockd_manager.list is not empty\n", + net->ns.inum, __func__); + WARN_ONCE(!list_empty(&ln->nsm_handles), + "net %x %s: nsm_handles list is not empty\n", + net->ns.inum, __func__); + WARN_ONCE(delayed_work_pending(&ln->grace_period_end), + "net %x %s: grace_period_end was not cancelled\n", + net->ns.inum, __func__); } static struct pernet_operations lockd_net_ops = {