From patchwork Mon Nov 6 13:24:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasily Averin X-Patchwork-Id: 10043447 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 55128602BF for ; Mon, 6 Nov 2017 13:24:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4D74729C8A for ; Mon, 6 Nov 2017 13:24:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 429EC29C8F; Mon, 6 Nov 2017 13:24:39 +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 0066D29C90 for ; Mon, 6 Nov 2017 13:24:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753207AbdKFNYb (ORCPT ); Mon, 6 Nov 2017 08:24:31 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:32287 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753192AbdKFNY3 (ORCPT ); Mon, 6 Nov 2017 08:24:29 -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 vA6DOL8B024138; Mon, 6 Nov 2017 16:24:21 +0300 (MSK) From: Vasily Averin Subject: [PATCH v3 08/21] nfs client: exit_net cleanup check added To: netdev@vger.kernel.org Cc: linux-nfs@vger.kernel.org, Trond Myklebust , Anna Schumaker References: <4fdc4264-e338-6ee8-a662-7d98b45733a1@virtuozzo.com> Message-ID: Date: Mon, 6 Nov 2017 16:24:21 +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 Be sure that nfs_client_list and nfs_volume_list lists initialized in net_init hook were return to initial state in net_exit hook. Signed-off-by: Vasily Averin --- fs/nfs/client.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 22880ef..3966c98 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -204,6 +204,10 @@ void nfs_cleanup_cb_ident_idr(struct net *net) struct nfs_net *nn = net_generic(net, nfs_net_id); idr_destroy(&nn->cb_ident_idr); + WARN_ONCE(!list_empty(&nn->nfs_client_list), + "net %x exit: nfs_client_list is not empty\n", net->ns.inum); + WARN_ONCE(!list_empty(&nn->nfs_volume_list), + "net %x exit: nfs_volume_list is not empty\n", net->ns.inum); } /* nfs_client_lock held */