From patchwork Thu Aug 6 02:13:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Yang X-Patchwork-Id: 11702687 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6992D138C for ; Thu, 6 Aug 2020 02:21:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 609BC2245C for ; Thu, 6 Aug 2020 02:21:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726013AbgHFCVe (ORCPT ); Wed, 5 Aug 2020 22:21:34 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:34557 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726005AbgHFCVd (ORCPT ); Wed, 5 Aug 2020 22:21:33 -0400 X-IronPort-AV: E=Sophos;i="5.75,440,1589212800"; d="scan'208";a="97677610" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 06 Aug 2020 10:21:19 +0800 Received: from G08CNEXMBPEKD04.g08.fujitsu.local (unknown [10.167.33.201]) by cn.fujitsu.com (Postfix) with ESMTP id 357F84CE34FC; Thu, 6 Aug 2020 10:21:18 +0800 (CST) Received: from G08CNEXCHPEKD05.g08.fujitsu.local (10.167.33.203) by G08CNEXMBPEKD04.g08.fujitsu.local (10.167.33.201) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 6 Aug 2020 10:21:19 +0800 Received: from Fedora-30.g08.fujitsu.local (10.167.220.106) by G08CNEXCHPEKD05.g08.fujitsu.local (10.167.33.209) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 6 Aug 2020 10:21:18 +0800 From: Xiao Yang To: CC: , , , Xiao Yang Subject: [PATCH v9 8/8] generic: Verify how to change the S_DAX flag on an existing file Date: Thu, 6 Aug 2020 10:13:42 +0800 Message-ID: <20200806021342.10596-9-yangx.jy@cn.fujitsu.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200806021342.10596-1-yangx.jy@cn.fujitsu.com> References: <20200806021342.10596-1-yangx.jy@cn.fujitsu.com> MIME-Version: 1.0 X-yoursite-MailScanner-ID: 357F84CE34FC.ACA82 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: yangx.jy@cn.fujitsu.com X-Spam-Status: No Sender: fstests-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org Change FS_XFLAG_DAX on an existing file and check if S_DAX on the file can take effect immediately by the following steps: 1) Stop all applications which are using the file. 2) Do drop_caches or umount & mount cycle. Signed-off-by: Xiao Yang Reviewed-by: Darrick J. Wong --- tests/generic/608 | 121 ++++++++++++++++++++++++++++++++++++++++++ tests/generic/608.out | 2 + tests/generic/group | 1 + 3 files changed, 124 insertions(+) create mode 100644 tests/generic/608 create mode 100644 tests/generic/608.out diff --git a/tests/generic/608 b/tests/generic/608 new file mode 100644 index 00000000..a06fc016 --- /dev/null +++ b/tests/generic/608 @@ -0,0 +1,121 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2020 Fujitsu. All Rights Reserved. +# +# FS QA Test 608 +# Change FS_XFLAG_DAX on an existing file and check if S_DAX on +# the file can take effect immediately by the following steps: +# 1) Stop all applications which are using the file. +# 2) Do drop_caches or umount & mount cycle. + +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 $seqres.full + +_supported_fs generic +_supported_os Linux +_require_scratch_dax_mountopt "dax=always" +_require_dax_iflag +_require_xfs_io_command "lsattr" "-v" +_require_xfs_io_command "statx" "-r" + +test_drop_caches() +{ + local t_file=$SCRATCH_MNT/testfile + + rm -f $t_file + touch $t_file + _check_xflag $t_file 0 + _check_s_dax $t_file 0 + + exec 3< $t_file + + $XFS_IO_PROG -c 'chattr +x' $t_file + _check_xflag $t_file 1 + _check_s_dax $t_file 0 + + # One application is using test file and check if S_DAX on + # the file doesn't take effect immediately by drop_caches + echo 2 > /proc/sys/vm/drop_caches + _check_s_dax $t_file 0 + + exec 3<&- + + # No application is using test file and check if S_DAX on + # the file takes effect immediately by drop_caches + echo 2 > /proc/sys/vm/drop_caches + _check_s_dax $t_file 1 +} + +test_cycle_mount() +{ + local option=$1 + local t_dir=$SCRATCH_MNT/testdir + local t_file=$t_dir/testfile + + mkdir -p $t_dir + $XFS_IO_PROG -c 'chattr +x' $t_dir + rm -f $t_file + touch $t_file + _check_xflag $t_file 1 + _check_s_dax $t_file 1 + + exec 3< $t_file + + $XFS_IO_PROG -c 'chattr -x' $t_file + _check_xflag $t_file 0 + _check_s_dax $t_file 1 + + exec 3<&- + + # No application is using test file and check if S_DAX on + # the file takes effect immediately by umount & mount + _scratch_cycle_mount "$option" + _check_s_dax $t_file 0 +} + +do_tests() +{ + local mount_option=$1 + local cycle_mount_option=$2 + + _scratch_mount "$mount_option" + + test_drop_caches + + test_cycle_mount "$cycle_mount_option" + + _scratch_unmount +} + +_scratch_mkfs >> $seqres.full 2>&1 + +# Mount with dax option +do_tests "-o dax=inode" "dax=inode" + +# Mount without dax option +export MOUNT_OPTIONS="" +do_tests + +# success, all done +echo "Silence is golden" +status=0 +exit diff --git a/tests/generic/608.out b/tests/generic/608.out new file mode 100644 index 00000000..1e534458 --- /dev/null +++ b/tests/generic/608.out @@ -0,0 +1,2 @@ +QA output created by 608 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index 5bd289c3..aa969bcb 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -610,3 +610,4 @@ 605 auto attr quick dax 606 auto attr quick dax 607 auto attr quick dax +608 auto attr quick dax