From patchwork Wed Jul 6 07:02:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sun Ke X-Patchwork-Id: 12907393 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE45DC433EF for ; Wed, 6 Jul 2022 06:49:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229545AbiGFGt5 (ORCPT ); Wed, 6 Jul 2022 02:49:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45456 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229459AbiGFGt4 (ORCPT ); Wed, 6 Jul 2022 02:49:56 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C2BC14D0B for ; Tue, 5 Jul 2022 23:49:54 -0700 (PDT) Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Ld96w6hD5zTgRB; Wed, 6 Jul 2022 14:46:16 +0800 (CST) Received: from kwepemm600010.china.huawei.com (7.193.23.86) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 6 Jul 2022 14:49:39 +0800 Received: from huawei.com (10.175.127.227) by kwepemm600010.china.huawei.com (7.193.23.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 6 Jul 2022 14:49:38 +0800 From: Sun Ke To: , CC: Subject: [PATCH blktests] nbd: add a module install and device connect test Date: Wed, 6 Jul 2022 15:02:09 +0800 Message-ID: <20220706070209.1494417-1-sunke32@huawei.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-Originating-IP: [10.175.127.227] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemm600010.china.huawei.com (7.193.23.86) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org This is a regression test for commit 06c4da89c24e nbd: call genl_unregister_family() first in nbd_cleanup() Two concurrent processes，one install and uninstall nbd module cyclically, the other one connect and disconnect nbd device cyclically. Last for 10 seconds. Signed-off-by: Sun Ke --- tests/nbd/004 | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/nbd/004.out | 2 ++ tests/nbd/rc | 18 ++++++++++++++++++ 3 files changed, 72 insertions(+) create mode 100755 tests/nbd/004 create mode 100644 tests/nbd/004.out diff --git a/tests/nbd/004 b/tests/nbd/004 new file mode 100755 index 0000000..8c23425 --- /dev/null +++ b/tests/nbd/004 @@ -0,0 +1,52 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-3.0+ +# Copyright (C) 2022 Sun Ke +# +# Regression test for commit 06c4da89c24e +# nbd: call genl_unregister_family() first in nbd_cleanup() + +. tests/nbd/rc + +DESCRIPTION="module install/uninstall concurrently with connect/disconnect" +QUICK=1 + +requires() { + _have_nbd +} + +module_install_and_remove() { + while true; do + modprobe nbd >/dev/null 2>&1 + modprobe -r nbd >/dev/null 2>&1 + done +} + +connect_and_disconnect() { + while true; do + _netlink_connect >/dev/null 2>&1 + _netlink_disconnect >/dev/null 2>&1 + done +} + +test() { + echo "Running ${TEST_NAME}" + + _start_nbd_server_netlink + + module_install_and_remove & + pid1=$! + connect_and_disconnect & + pid2=$! + + sleep 10 + { + kill -9 $pid1 + wait $pid1 + kill -9 $pid2 + wait $pid2 + } 2>/dev/null + + _stop_nbd_server_netlink + echo "Test complete" +} + diff --git a/tests/nbd/004.out b/tests/nbd/004.out new file mode 100644 index 0000000..05ced0c --- /dev/null +++ b/tests/nbd/004.out @@ -0,0 +1,2 @@ +Running nbd/004 +Test complete diff --git a/tests/nbd/rc b/tests/nbd/rc index 118553c..b0e7d91 100644 --- a/tests/nbd/rc +++ b/tests/nbd/rc @@ -76,3 +76,21 @@ _stop_nbd_server() { rm -f "${TMPDIR}/nbd.pid" rm -f "${TMPDIR}/export" } + +_start_nbd_server_netlink() { + truncate -s 10G "${TMPDIR}/export" + nbd-server 8000 "${TMPDIR}/export" >/dev/null 2>&1 +} + +_stop_nbd_server_netlink() { + killall -SIGTERM nbd-server + rm -f "${TMPDIR}/export" +} + +_netlink_connect() { + nbd-client localhost 8000 /dev/nbd0 >> "$FULL" 2>&1 +} + +_netlink_disconnect() { + nbd-client -d /dev/nbd0 >> "$FULL" 2>&1 +}