Return-Path: Received: from mailhub.sw.ru ([195.214.232.25]:4711 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753039AbdKFNY1 (ORCPT ); Mon, 6 Nov 2017 08:24:27 -0500 From: Vasily Averin Subject: [PATCH v3 07/21] nfs4blocklayout: exit_net cleanup check added To: netdev@vger.kernel.org Cc: "J. Bruce Fields" , Jeff Layton , linux-nfs@vger.kernel.org, Trond Myklebust , Anna Schumaker References: <4fdc4264-e338-6ee8-a662-7d98b45733a1@virtuozzo.com> Message-ID: <87a33322-18a9-a451-e69a-505eddb99333@virtuozzo.com> Date: Mon, 6 Nov 2017 16:24:14 +0300 MIME-Version: 1.0 In-Reply-To: <4fdc4264-e338-6ee8-a662-7d98b45733a1@virtuozzo.com> Content-Type: text/plain; charset=utf-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: Be sure that bl_wq wait queue initialized in net_init hook is not used anymore. Signed-off-by: Vasily Averin --- fs/nfs/blocklayout/rpc_pipefs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/nfs/blocklayout/rpc_pipefs.c b/fs/nfs/blocklayout/rpc_pipefs.c index 9fb067a6..8c3941b 100644 --- a/fs/nfs/blocklayout/rpc_pipefs.c +++ b/fs/nfs/blocklayout/rpc_pipefs.c @@ -256,6 +256,9 @@ static void nfs4blocklayout_net_exit(struct net *net) nfs4blocklayout_unregister_net(net, nn->bl_device_pipe); rpc_destroy_pipe_data(nn->bl_device_pipe); nn->bl_device_pipe = NULL; + WARN_ONCE(!list_empty(&nn->bl_wq.head), + "net %x %s: bl_wq head is not empty\n", + net->ns.inum, __func__); } static struct pernet_operations nfs4blocklayout_net_ops = { -- 2.7.4