From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Yu Subject: [PATCH] generic: test i_mode recovery after power failure Date: Tue, 26 Feb 2019 15:03:02 +0800 Message-ID: <20190226070302.17756-1-yuchao0@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1gyWm2-0008Lm-4L for linux-f2fs-devel@lists.sourceforge.net; Tue, 26 Feb 2019 07:03:30 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191] helo=huawei.com) by sfi-mx-3.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1gyWlz-00GbWA-RH for linux-f2fs-devel@lists.sourceforge.net; Tue, 26 Feb 2019 07:03:30 +0000 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: fstests@vger.kernel.org Cc: guaneryu@gmail.com, linux-f2fs-devel@lists.sourceforge.net After fsync, filesystem should guarantee inode metadata including permission info being persisted, so even after sudden power-cut, during mount, we should recover i_mode fields correctly, in order to not loss those meta info. So adding this testcase to check whether generic filesystem can guarantee that. Signed-off-by: Chao Yu --- tests/generic/532 | 106 ++++++++++++++++++++++++++++++++++++++++++ tests/generic/532.out | 2 + tests/generic/group | 1 + 3 files changed, 109 insertions(+) create mode 100755 tests/generic/532 create mode 100644 tests/generic/532.out diff --git a/tests/generic/532 b/tests/generic/532 new file mode 100755 index 000000000000..d89f7ab09fcf --- /dev/null +++ b/tests/generic/532 @@ -0,0 +1,106 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2019 Huawei. All Rights Reserved. +# +# FS QA Test 532 +# +# This testcase is trying to test recovery flow of generic filesystem, +# w/ below steps, once i_mode changes, after we fsync that file, we can +# expect that i_mode can be recovered after sudden power-cuts. +# 1. touch testfile or mkdir testdir +# 2. chmod 777 testfile/testdir +# 3. sync +# 4. chmod 755 testfile/testdir +# 5. fsync testfile/testdir +# 6. record last i_mode +# 7. godown +# 8. umount +# 9. mount +# 10. check i_mode +# +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 +_supported_fs generic +_supported_os Linux + +_require_scratch +_require_scratch_shutdown + +_scratch_mkfs >/dev/null 2>&1 +_require_metadata_journaling $SCRATCH_DEV + +testfile=$SCRATCH_MNT/testfile +testdir=$SCRATCH_MNT/testdir + +do_check() +{ + target=$1 + is_dir=$2 + + _scratch_mount + + if [ $is_dir = 1 ]; then + mkdir $target + else + touch $target + fi + + echo "Test chmod $target" >> $seqres.full + + chmod 777 $target + sync + + chmod 755 $target + $XFS_IO_PROG $target -c "fsync" | _filter_xfs_io + + before=`stat -c %a $target` + + _scratch_shutdown | tee -a $seqres.full + _scratch_cycle_mount + + after=`stat -c %a $target` + + # check inode's i_mode + if [ "$before" != "$after" ]; then + echo "Before: $before" + echo "After : $after" + fi + echo "Before: $before" >> $seqres.full + echo "After : $after" >> $seqres.full + + if [ $is_dir = 1 ]; then + rmdir $target + else + rm -f $target + fi + _scratch_unmount +} + +echo "Silence is golden" + +do_check $testfile 0 +do_check $testdir 1 + +status=0 +exit diff --git a/tests/generic/532.out b/tests/generic/532.out new file mode 100644 index 000000000000..1f7d4677c3be --- /dev/null +++ b/tests/generic/532.out @@ -0,0 +1,2 @@ +QA output created by 532 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index 31011ac872c2..2fc50fbbfb5c 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -534,3 +534,4 @@ 529 auto quick attr 530 auto quick unlink 531 auto quick unlink +532 shutdown auto quick metadata -- 2.18.0.rc1