From patchwork Fri Apr 22 08:11:54 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Murphy Zhou X-Patchwork-Id: 8906801 Return-Path: X-Original-To: patchwork-fstests@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A3C8CBF29F for ; Fri, 22 Apr 2016 08:12:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B5E042024F for ; Fri, 22 Apr 2016 08:12:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BFBDE20254 for ; Fri, 22 Apr 2016 08:12:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751769AbcDVIMh (ORCPT ); Fri, 22 Apr 2016 04:12:37 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45213 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751594AbcDVIMd (ORCPT ); Fri, 22 Apr 2016 04:12:33 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8CBFEC074100 for ; Fri, 22 Apr 2016 08:12:32 +0000 (UTC) Received: from localhost (dhcp-13-217.nay.redhat.com [10.66.13.217]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u3M8CVgM020335; Fri, 22 Apr 2016 04:12:31 -0400 From: Xiong Zhou To: eguan@redhat.com Cc: fstests@vger.kernel.org, Xiong Zhou Subject: [PATCH 1/2] overlay: test basic whiteout Date: Fri, 22 Apr 2016 16:11:54 +0800 Message-Id: <1461312715-14197-1-git-send-email-xzhou@redhat.com> In-Reply-To: <20160421125732.GF4675@eguan.usersys.redhat.com> References: <20160421125732.GF4675@eguan.usersys.redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 Sender: fstests-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Once a while, overlayfs whiteout can be visible if upper fs does not support d_type(ftype/filetype). Test as a sanity check on whiteout of regular files, links, dirs, devices and pipes. Signed-off-by: Xiong Zhou Reviewed-by: Eryu Guan --- tests/overlay/003 | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/overlay/003.out | 2 ++ tests/overlay/group | 1 + 3 files changed, 101 insertions(+) create mode 100755 tests/overlay/003 create mode 100644 tests/overlay/003.out diff --git a/tests/overlay/003 b/tests/overlay/003 new file mode 100755 index 0000000..fbc242a --- /dev/null +++ b/tests/overlay/003 @@ -0,0 +1,98 @@ +#! /bin/bash +# FS QA Test 003 +# +# Test overlayfs basic whiteout. +# +# Overlayfs whiteout can be visible if underlying upper fs does not +# support d_type. Kernel commit +# 45aebea (ovl: Ensure upper filesystem supports d_type) +# prevents mounting overlayfs like this since v4.6-rc1. +# No harm to keep this test as a sanity check. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Red Hat Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here + +# Modify as appropriate. +_supported_fs overlay +_supported_os Linux +_require_scratch + +# Remove all files from previous tests +_scratch_mkfs + +# Create test files dirs in lower dir +lowerdir=${SCRATCH_DEV}/${OVERLAY_LOWER_DIR} +mkdir -p $lowerdir + +touch ${lowerdir}/test_file +ln -s ${lowerdir}/test_file ${lowerdir}/test_softlink_file +ln ${lowerdir}/test_file ${lowerdir}/test_hardlink_file + +mkdir -p ${lowerdir}/test_dir +ln -s ${lowerdir}/test_dir ${lowerdir}/test_softlink_dir + +mknod ${lowerdir}/test_cdev c 2 3 +ln -s ${lowerdir}/test_cdev ${lowerdir}/test_softlink_cdev +ln ${lowerdir}/test_cdev ${lowerdir}/test_hardlink_cdev + +mknod ${lowerdir}/test_bdev b 2 4 +ln -s ${lowerdir}/test_bdev ${lowerdir}/test_softlink_bdev +ln ${lowerdir}/test_bdev ${lowerdir}/test_hardlink_bdev + +mknod ${lowerdir}/test_pipe p +ln -s ${lowerdir}/test_pipe ${lowerdir}/test_softlink_pipe +ln ${lowerdir}/test_pipe ${lowerdir}/test_hardlink_pipe + +_scratch_mount + +# whiteout all files in overlay mountpoint +rm -rf ${SCRATCH_MNT}/* +# nothing should be listed +ls ${SCRATCH_MNT}/ + +_scratch_unmount + +rm -rf $lowerdir +echo "Silence is golden" +# success, all done +status=0 +exit diff --git a/tests/overlay/003.out b/tests/overlay/003.out new file mode 100644 index 0000000..6895fc8 --- /dev/null +++ b/tests/overlay/003.out @@ -0,0 +1,2 @@ +QA output created by 003 +Silence is golden diff --git a/tests/overlay/group b/tests/overlay/group index 84d164e..9735f40 100644 --- a/tests/overlay/group +++ b/tests/overlay/group @@ -5,3 +5,4 @@ # 001 auto quick copyup 002 auto quick metadata +003 auto quick whiteout