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Date:   Tue, 9 Nov 2021 01:08:10 +0000
From:   "xuyang2018.jy@...itsu.com" <xuyang2018.jy@...itsu.com>
To:     Lukas Czerner <lczerner@...hat.com>
CC:     "Darrick J. Wong" <djwong@...nel.org>,
        "fstests@...r.kernel.org" <fstests@...r.kernel.org>,
        "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
        "tytso@....edu" <tytso@....edu>, "guan@...u.me" <guan@...u.me>
Subject: Re: [PATCH v5] ext4: add test for all ext4/ext3/ext2 mount options

on 2021/11/8 17:18, Lukas Czerner wrote:
> On Fri, Nov 05, 2021 at 12:45:53AM +0000, xuyang2018.jy@...itsu.com wrote:
>> on 2021/11/5 1:31, Lukas Czerner wrote:
>>> On Thu, Nov 04, 2021 at 10:16:53AM -0700, Darrick J. Wong wrote:
>>>> On Thu, Nov 04, 2021 at 11:24:50AM +0100, Lukas Czerner wrote:
>>>>> Add test to validate that all the ext4, ext3 and ext2 are properly
>>>>> recognized, validate and applied to avoid regressions as ext4 moves to
>>>>> the new mount API.
>>>>>
>>>>> Signed-off-by: Lukas Czerner<lczerner@...hat.com>
>>>>> ---
>>>>> V2: Move minimum kernel version requirement up to 5.12
>>>>>       Rewrite kernel_gte() to work correctly
>>>>> V3: Rename functions to not start with _
>>>>> V4: Check kernel config file to make sure the test works with
>>>>>       various kernel configuration
>>>>> V5: Check /proc/config.gz for kernel config location first
>>>>>
>>>>>    tests/ext4/053     | 650 +++++++++++++++++++++++++++++++++++++++++++++
>>>>>    tests/ext4/053.out |   2 +
>>>>>    2 files changed, 652 insertions(+)
>>>>>    create mode 100755 tests/ext4/053
>>>>>    create mode 100644 tests/ext4/053.out
>>>>>
>>>>> diff --git a/tests/ext4/053 b/tests/ext4/053
>>>>> new file mode 100755
>>>>> index 00000000..c4447623
>>>>> --- /dev/null
>>>>> +++ b/tests/ext4/053
>>>>> @@ -0,0 +1,650 @@
>>>>> +#! /bin/bash
>>>>> +# SPDX-License-Identifier: GPL-2.0
>>>>> +# Copyright (c) 2021Red Hat, Inc., Lukas Czerner<lczerner@...hat.com>.
>>>>> +#
>>>>> +# FS QA Test 053
>>>>> +#
>>>>> +# Sanity check of ext4 mount options
>>>>> +#
>>>>> +. ./common/preamble
>>>>> +_begin_fstest auto mount
>>>>> +
>>>>> +seq=`basename $0`
>>>>> +seqres=$RESULT_DIR/$seq
>>>>> +
>>>>> +here=`pwd`
>>>>> +tmp=/tmp/$$
>>>>> +status=1	# failure is the default!
>>>>> +trap "_cleanup; exit \$status" 0 1 2 3 15
>>>>> +
>>>>> +_cleanup()
>>>>> +{
>>>>> +	cd /
>>>>> +	$UMOUNT_PROG $SCRATCH_MNT>   /dev/null 2>&1
>>>>> +	if [ -n "$LOOP_LOGDEV" ];then
>>>>> +		_destroy_loop_device $LOOP_LOGDEV 2>/dev/null
>>>>> +	fi
>>>>> +	rm -f $tmp.*
>>>>> +}
>>>>> +
>>>>> +_has_kernel_config()
>>>>> +{
>>>>> +	option=$1
>>>>> +	config="/proc/config.gz"
>>>>> +	if [ -f $config ]; then
>>>>> +		gzip -cd $config | grep -qE "^${option}=[my]"
>>>>> +		return
>>>>> +	fi
>>>>> +	config="/lib/modules/$(uname -r)/build/.config"
>>>>> +	grep -qE "^${option}=[my]" $config
>>>>
>>>> This probably ought to check /boot/config-$(uname -r) also, since that
>>>> file seems to exist on RH and Debian.
>>>
>>> I was thinking about it, but at least on RH the config is in
>>> /lib/modules/... which we already check and for custom kernels
>>> /boot/config-$(uname -r) does not exist. So it seems redundant, but on
>>> the other hand it can't hurt either.
>>>
>> Don't make wheels repeatedly. LTP has sloutions for this. You can refer
>> to it.
>> [1]https://github.com/linux-test-project/ltp/blob/master/lib/tst_kconfig.c#L18
>
> Thanks for the tip. However it is missing the location that works most
> reliably on the systems I tried recently and that is
> /lib/modules/$(uname -r)/build/.config
>
> Most of my systems don't have anything else for the custom kernels I am
> testing.

Good suggestion. I will add this path to ltp. Before this, for myself 
build linux kernel, I usually use KCONFIG_PATH env.

Best Regards
Yang Xu
>
> Anyway I am going to model it after that and move the helpers to
> common/rc.
>
> Thanks!
> -Lukas
>
>>
>> Best Regards
>> Yang Xu
>>>>
>>>> (The rest of the logic looks reasonable, but I've been away from ext4
>>>> for so long that I don't really have enough of a clue anymore... :( )
>>>
>>> Thanks!
>>> -Lukas
>>>
>>>>
>>>> --D
>>>>
>>>>> +}
>>>>> +
>>>>> +_require_kernel_config()
>>>>> +{
>>>>> +	_has_kernel_config $1 || _notrun "Installed kernel not built with $1"
>>>>> +}
>>>>> +
>>>>> +# get standard environment, filters and checks
>>>>> +. ./common/rc
>>>>> +. ./common/filter
>>>>> +. ./common/quota
>>>>> +
>>>>> +# remove previous $seqres.full before test
>>>>> +rm -f $seqres.full
>>>>> +
>>>>> +echo "Silence is golden."
>>>>> +
>>>>> +SIZE=$((1024 * 1024))	# 1GB in KB
>>>>> +LOGSIZE=$((10 *1024))	# 10MB in KB
>>>>> +
>>>>> +_supported_fs ext2 ext3 ext4
>>>>> +_require_scratch_size $SIZE
>>>>> +_require_quota
>>>>> +_require_loop
>>>>> +_require_command "$TUNE2FS_PROG" tune2fs
>>>>> +MKE2FS_PROG=$(type -P mke2fs)
>>>>> +_require_command "$MKE2FS_PROG" mke2fs
>>>>> +_require_kernel_config CONFIG_QFMT_V2
>>>>> +
>>>>> +LOG=""
>>>>> +print_log() {
>>>>> +	LOG="$LOG $@"
>>>>> +}
>>>>> +
>>>>> +KERNEL_VERSION=`uname -r | cut -d'.' -f1,2`
>>>>> +KERNEL_MAJ=${KERNEL_VERSION%.*}
>>>>> +KERNEL_MIN=${KERNEL_VERSION#*.}
>>>>> +
>>>>> +kernel_gte() {
>>>>> +	major=${1%.*}
>>>>> +	minor=${1#*.}
>>>>> +
>>>>> +	if [ $KERNEL_MAJ -gt $major ]; then
>>>>> +		return 0
>>>>> +	elif [[ $KERNEL_MAJ -eq $major&&   $KERNEL_MIN -ge $minor ]]; then
>>>>> +		return 0
>>>>> +	fi
>>>>> +	return 1
>>>>> +}
>>>>> +
>>>>> +
>>>>> +# The aim here is to keep the mount options behaviour stable going forward
>>>>> +# so there is not much point in testing older kernels.
>>>>> +kernel_gte 5.12 || _notrun "This test is only relevant for kernel versions 5.12 and higher"
>>>>> +
>>>>> +IGNORED="remount,defaults,ignored,removed"
>>>>> +CHECK_MINFO="lazytime,noatime,nodiratime,noexec,nosuid,ro"
>>>>> +ERR=0
>>>>> +
>>>>> +test_mnt() {
>>>>> +	findmnt -n $SCRATCH_DEV>   /dev/null 2>&1
>>>>> +	[ $? -ne 0 ]&&   return $?
>>>>> +
>>>>> +	if [ $# -eq 1 ]; then
>>>>> +		OPTS=$1
>>>>> +	elif [ $# -eq 2 ]; then
>>>>> +		OPTS=$2
>>>>> +	else
>>>>> +		return 0
>>>>> +	fi
>>>>> +
>>>>> +	print_log "checking \"$OPTS\" "
>>>>> +	# test options in /proc/fs/ext4/dev/options
>>>>> +	(
>>>>> +	ret=0
>>>>> +	IFS=','
>>>>> +	for option in $OPTS; do
>>>>> +		if echo $IGNORED | grep -w $option; then
>>>>> +			continue
>>>>> +		fi
>>>>> +
>>>>> +		[ $option = "noload" ]&&   option="norecovery"
>>>>> +
>>>>> +		if [[ $option = ^* ]]; then
>>>>> +			expected=1
>>>>> +		else
>>>>> +			expected=0
>>>>> +		fi
>>>>> +		option=${option#^}
>>>>> +
>>>>> +		if echo $CHECK_MINFO | grep -w $option; then
>>>>> +			findmnt -n -o OPTIONS $SCRATCH_DEV | grep $option
>>>>> +			ret=$?
>>>>> +		else
>>>>> +			grep $option /proc/fs/ext4/$(_short_dev $SCRATCH_DEV)/options
>>>>> +			ret=$?
>>>>> +		fi
>>>>> +
>>>>> +		if [ $ret -ne $expected ]; then
>>>>> +			exit 1
>>>>> +		fi
>>>>> +	done
>>>>> +	)>   /dev/null 2>&1
>>>>> +	return $?
>>>>> +}
>>>>> +
>>>>> +fail() {
>>>>> +	print_log "   FAILED"
>>>>> +	ERR=$((ERR+1))
>>>>> +	echo $LOG | tee -a $seqres.full
>>>>> +	LOG=""
>>>>> +}
>>>>> +
>>>>> +ok() {
>>>>> +	print_log "   OK"
>>>>> +	echo $LOG>>   $seqres.full
>>>>> +	LOG=""
>>>>> +}
>>>>> +
>>>>> +simple_mount() {
>>>>> +	_mount $*>>   $seqres.full 2>&1
>>>>> +}
>>>>> +
>>>>> +# $1 - can hold -n option, if it does argumetns are shifted
>>>>> +# $1 - options to test
>>>>> +# $2 - if provided it's the option string to check for
>>>>> +do_mnt() {
>>>>> +	device=$SCRATCH_DEV
>>>>> +	# If -n argument is provided do not specify $SCRATCH_DEV
>>>>> +	# usefull for remount
>>>>> +	if [ "$1" == "-n" ]; then
>>>>> +		unset device
>>>>> +		shift
>>>>> +	fi
>>>>> +
>>>>> +	if [ -z "$1" ]; then
>>>>> +		simple_mount $device $SCRATCH_MNT
>>>>> +		ret=$?
>>>>> +	else
>>>>> +		simple_mount -o $1 $device $SCRATCH_MNT
>>>>> +		ret=$?
>>>>> +	fi
>>>>> +	if [ $ret -eq 0 ]; then
>>>>> +		test_mnt $1 $2
>>>>> +		ret=$?
>>>>> +		[ $ret -ne 0 ]&&   print_log "(not found)"
>>>>> +	else
>>>>> +		print_log "(failed mount)"
>>>>> +	fi
>>>>> +
>>>>> +	return $ret
>>>>> +}
>>>>> +
>>>>> +not_mnt() {
>>>>> +	# We don't need -t not not_ variant
>>>>> +	if [ "$1" == "-t" ]; then
>>>>> +		shift
>>>>> +	fi
>>>>> +
>>>>> +	print_log "SHOULD FAIL mounting $fstype \"$1\" "
>>>>> +	do_mnt $@
>>>>> +	if [ $? -eq 0 ]; then
>>>>> +		fail
>>>>> +	else
>>>>> +		ok
>>>>> +	fi
>>>>> +	$UMOUNT_PROG $SCRATCH_MNT 2>   /dev/null
>>>>> +}
>>>>> +
>>>>> +mnt_only() {
>>>>> +	print_log "mounting $fstype \"$1\" "
>>>>> +	do_mnt $@
>>>>> +	if [ $? -ne 0 ]; then
>>>>> +		fail
>>>>> +	else
>>>>> +		ok
>>>>> +	fi
>>>>> +}
>>>>> +
>>>>> +mnt() {
>>>>> +	# Do we need to run the tune2fs mount option test ?
>>>>> +	t2fs=0
>>>>> +	if [ "$1" == "-t" ]; then
>>>>> +		t2fs=1
>>>>> +		shift
>>>>> +	fi
>>>>> +
>>>>> +	mnt_only $*
>>>>> +	$UMOUNT_PROG $SCRATCH_MNT 2>   /dev/null
>>>>> +
>>>>> +	[ "$t2fs" -eq 0 ]&&   return
>>>>> +
>>>>> +	op_set=$1
>>>>> +	if [ $# -eq 1 ]; then
>>>>> +		check=$1
>>>>> +	elif [ $# -eq 2 ]; then
>>>>> +		check=$2
>>>>> +	else
>>>>> +		return 0
>>>>> +	fi
>>>>> +
>>>>> +	# some options need translation for tune2fs
>>>>> +	op_set=$(echo $op_set | sed -e 's/data=journal/journal_data/' \
>>>>> +				    -e 's/data=ordered/journal_data_ordered/' \
>>>>> +				    -e 's/data=writeback/journal_data_writeback/')
>>>>> +	$TUNE2FS_PROG -o $op_set $SCRATCH_DEV>   /dev/null 2>&1
>>>>> +	mnt_only "defaults" $check
>>>>> +	$UMOUNT_PROG $SCRATCH_MNT 2>   /dev/null
>>>>> +	if [ "$op_set" = ^* ]; then
>>>>> +		op_set=${op_set#^}
>>>>> +	else
>>>>> +		op_set="^${op_set}"
>>>>> +	fi
>>>>> +	$TUNE2FS_PROG -o $op_set $SCRATCH_DEV>   /dev/null 2>&1
>>>>> +}
>>>>> +
>>>>> +# $1 - options to mount with
>>>>> +# $2 - options to remount with
>>>>> +remount() {
>>>>> +	# First do this specifying both dev and mnt
>>>>> +	print_log "mounting $fstype \"$1\" "
>>>>> +	do_mnt $1
>>>>> +	[ $? -ne 0 ]&&   fail&&   return
>>>>> +	print_log "remounting \"$2\" "
>>>>> +	do_mnt remount,$2 $3
>>>>> +	if [ $? -ne 0 ]; then
>>>>> +		fail
>>>>> +		$UMOUNT_PROG $SCRATCH_MNT 2>   /dev/null
>>>>> +		return
>>>>> +	else
>>>>> +		ok
>>>>> +	fi
>>>>> +	$UMOUNT_PROG $SCRATCH_MNT 2>   /dev/null
>>>>> +
>>>>> +	# Now just specify mnt
>>>>> +	print_log "mounting $fstype \"$1\" "
>>>>> +	do_mnt $1
>>>>> +	[ $? -ne 0 ]&&   fail&&   return
>>>>> +	print_log "remounting (MNT ONLY) \"$2\" "
>>>>> +	do_mnt -n remount,$2 $3
>>>>> +	if [ $? -ne 0 ]; then
>>>>> +		fail
>>>>> +	else
>>>>> +		ok
>>>>> +	fi
>>>>> +
>>>>> +	$UMOUNT_PROG $SCRATCH_MNT 2>   /dev/null
>>>>> +}
>>>>> +
>>>>> +# $1 - options to mount with, or -r argument
>>>>> +# $2 - options to remount with
>>>>> +not_remount_noumount() {
>>>>> +	remount_only=0
>>>>> +	# If -r is specified we're going to do remount only
>>>>> +	if [ "$1" == "-r" ]; then
>>>>> +		remount_only=1
>>>>> +		# Dont need shift since first argument would
>>>>> +		# have been consumed by mount anyway
>>>>> +	fi
>>>>> +
>>>>> +	if [ $remount_only -eq 0 ]; then
>>>>> +		print_log "mounting $fstype \"$1\" "
>>>>> +		do_mnt $1
>>>>> +		[ $? -ne 0 ]&&   fail&&   return
>>>>> +	fi
>>>>> +	print_log "SHOULD FAIL remounting $fstype \"$2\" "
>>>>> +	do_mnt remount,$2 $3
>>>>> +	if [ $? -eq 0 ]; then
>>>>> +		fail
>>>>> +	else
>>>>> +		ok
>>>>> +	fi
>>>>> +
>>>>> +	# Now just specify mnt
>>>>> +	print_log "SHOULD FAIL remounting $fstype (MNT ONLY) \"$2\" "
>>>>> +	do_mnt -n remount,$2 $3
>>>>> +	if [ $? -eq 0 ]; then
>>>>> +		fail
>>>>> +	else
>>>>> +		ok
>>>>> +	fi
>>>>> +}
>>>>> +
>>>>> +not_remount() {
>>>>> +	not_remount_noumount $*
>>>>> +	$UMOUNT_PROG $SCRATCH_MNT 2>   /dev/null
>>>>> +}
>>>>> +
>>>>> +
>>>>> +do_mkfs() {
>>>>> +	$MKE2FS_PROG -T $fstype -Fq $*>>   $seqres.full 2>&1 ||
>>>>> +	_fail "mkfs failed - $MKFS_EXT4_PROG -Fq $* $SCRATCH_DEV"
>>>>> +}
>>>>> +
>>>>> +not_ext2() {
>>>>> +	if [[ $fstype == "ext2" ]]; then
>>>>> +		not_$*
>>>>> +	else
>>>>> +		$*
>>>>> +	fi
>>>>> +}
>>>>> +
>>>>> +only_ext4() {
>>>>> +	if [[ $fstype == "ext4" ]]; then
>>>>> +		$*
>>>>> +	else
>>>>> +		not_$*
>>>>> +	fi
>>>>> +}
>>>>> +
>>>>> +# Create logdev for external journal
>>>>> +LOOP_IMG=$tmp.logdev
>>>>> +truncate -s ${LOGSIZE}k $LOOP_IMG
>>>>> +LOOP_LOGDEV=`_create_loop_device $LOOP_IMG`
>>>>> +majmin=`stat -c "%t:%T" $LOOP_LOGDEV`
>>>>> +LOGDEV_DEVNUM=`echo "${majmin%:*}*2^8 + ${majmin#*:}" | bc`
>>>>> +
>>>>> +# Test all the extN file system supported by ext4 driver
>>>>> +fstype=
>>>>> +for fstype in ext2 ext3 ext4; do
>>>>> +
>>>>> +	$UMOUNT_PROG $SCRATCH_MNT 2>   /dev/null
>>>>> +	$UMOUNT_PROG $SCRATCH_DEV 2>   /dev/null
>>>>> +
>>>>> +	do_mkfs $SCRATCH_DEV ${SIZE}k
>>>>> +
>>>>> +	# do we have fstype support ?
>>>>> +	do_mnt
>>>>> +	if [ $? -ne 0 ]; then
>>>>> +		print_log "$fstype not supported. Skipping..."
>>>>> +		ok
>>>>> +		continue
>>>>> +	fi
>>>>> +	if [ ! -f /proc/fs/ext4/$(_short_dev $SCRATCH_DEV)/options ]; then
>>>>> +		print_log "$fstype not supported. Skipping..."
>>>>> +		ok
>>>>> +		continue
>>>>> +	fi
>>>>> +
>>>>> +	$UMOUNT_PROG $SCRATCH_MNT 2>   /dev/null
>>>>> +
>>>>> +	not_mnt failme
>>>>> +	mnt
>>>>> +	mnt bsddf
>>>>> +	mnt minixdf
>>>>> +	mnt grpid
>>>>> +	mnt -t bsdgroups grpid
>>>>> +	mnt nogrpid
>>>>> +	mnt sysvgroups nogrpid
>>>>> +	mnt resgid=1001
>>>>> +	mnt resuid=1001
>>>>> +	mnt sb=131072
>>>>> +	mnt errors=continue
>>>>> +	mnt errors=panic
>>>>> +	mnt errors=remount-ro
>>>>> +	mnt nouid32
>>>>> +	mnt debug
>>>>> +	mnt oldalloc removed
>>>>> +	mnt orlov removed
>>>>> +	mnt -t user_xattr
>>>>> +	mnt nouser_xattr
>>>>> +
>>>>> +	if _has_kernel_config CONFIG_EXT4_FS_POSIX_ACL; then
>>>>> +		mnt -t acl
>>>>> +	else
>>>>> +		mnt -t acl ^acl
>>>>> +	fi
>>>>> +
>>>>> +	not_ext2 mnt noload norecovery
>>>>> +	mnt bh removed
>>>>> +	mnt nobh removed
>>>>> +	not_ext2 mnt commit=7
>>>>> +	mnt min_batch_time=200
>>>>> +	mnt max_batch_time=10000
>>>>> +	only_ext4 mnt journal_checksum
>>>>> +	only_ext4 mnt nojournal_checksum
>>>>> +	only_ext4 mnt journal_async_commit,data=writeback
>>>>> +	mnt abort ignored
>>>>> +	not_ext2 mnt -t data=journal
>>>>> +	not_ext2 mnt -t data=ordered
>>>>> +	not_ext2 mnt -t data=writeback
>>>>> +	not_ext2 mnt data_err=abort
>>>>> +	not_ext2 mnt data_err=ignore ignored
>>>>> +	mnt usrjquota=aquota.user,jqfmt=vfsv0
>>>>> +	not_mnt usrjquota=aquota.user
>>>>> +	mnt usrjquota= ignored
>>>>> +	mnt grpjquota=aquota.group,jqfmt=vfsv0
>>>>> +	not_mnt grpjquota=aquota.group
>>>>> +	mnt grpjquota= ignored
>>>>> +	mnt jqfmt=vfsold
>>>>> +	mnt jqfmt=vfsv0
>>>>> +	mnt jqfmt=vfsv1
>>>>> +	mnt grpquota
>>>>> +	mnt quota
>>>>> +	mnt noquota
>>>>> +	mnt usrquota
>>>>> +	mnt grpquota
>>>>> +	mnt barrier
>>>>> +	mnt barrier=0 nobarrier
>>>>> +	mnt barrier=1 barrier
>>>>> +	mnt barrier=99 barrier
>>>>> +	mnt -t nobarrier
>>>>> +	mnt i_version
>>>>> +	mnt stripe=512
>>>>> +	only_ext4 mnt delalloc
>>>>> +	only_ext4 mnt -t nodelalloc
>>>>> +	mnt warn_on_error
>>>>> +	mnt nowarn_on_error
>>>>> +	not_mnt debug_want_extra_isize=512
>>>>> +	mnt debug_want_extra_isize=32 ignored
>>>>> +	mnt mblk_io_submit removed
>>>>> +	mnt nomblk_io_submit removed
>>>>> +	mnt -t block_validity
>>>>> +	mnt noblock_validity
>>>>> +	mnt inode_readahead_blks=16
>>>>> +	not_ext2 mnt journal_ioprio=6 ignored
>>>>> +	mnt auto_da_alloc=0 noauto_da_alloc
>>>>> +	mnt auto_da_alloc=1 auto_da_alloc
>>>>> +	mnt auto_da_alloc=95 auto_da_alloc
>>>>> +	mnt auto_da_alloc
>>>>> +	mnt noauto_da_alloc
>>>>> +	only_ext4 mnt dioread_nolock
>>>>> +	only_ext4 mnt nodioread_nolock
>>>>> +	only_ext4 mnt dioread_lock nodioread_nolock
>>>>> +	mnt -t discard
>>>>> +	mnt nodiscard
>>>>> +	mnt init_itable=20
>>>>> +	mnt init_itable
>>>>> +	mnt init_itable=0
>>>>> +	mnt noinit_itable
>>>>> +	mnt max_dir_size_kb=4096
>>>>> +
>>>>> +	if _has_kernel_config CONFIG_FS_ENCRYPTION; then
>>>>> +		mnt test_dummy_encryption
>>>>> +		mnt test_dummy_encryption=v1
>>>>> +		mnt test_dummy_encryption=v2
>>>>> +		not_mnt test_dummy_encryption=v3
>>>>> +		not_mnt test_dummy_encryption=
>>>>> +	else
>>>>> +		mnt test_dummy_encryption ^test_dummy_encryption
>>>>> +		mnt test_dummy_encryption=v1 ^test_dummy_encryption=v1
>>>>> +		mnt test_dummy_encryption=v2 ^test_dummy_encryption=v2
>>>>> +		not_mnt test_dummy_encryption=v3
>>>>> +		not_mnt test_dummy_encryption=
>>>>> +	fi
>>>>> +
>>>>> +	if _has_kernel_config CONFIG_FS_ENCRYPTION_INLINE_CRYPT; then
>>>>> +		mnt inlinecrypt
>>>>> +	else
>>>>> +		mnt inlinecrypt ^inlinecrypt
>>>>> +	fi
>>>>> +
>>>>> +	mnt prefetch_block_bitmaps removed
>>>>> +	mnt no_prefetch_block_bitmaps
>>>>> +	# We don't currently have a way to know that the option has been
>>>>> +	# applied, so comment it out for now. This should be fixed in the
>>>>> +	# future.
>>>>> +	#mnt mb_optimize_scan=0
>>>>> +	#mnt mb_optimize_scan=1
>>>>> +	#not_mnt mb_optimize_scan=9
>>>>> +	#not_mnt mb_optimize_scan=
>>>>> +	mnt nombcache
>>>>> +	mnt no_mbcache nombcache
>>>>> +	mnt check=none removed
>>>>> +	mnt nocheck removed
>>>>> +	mnt reservation removed
>>>>> +	mnt noreservation removed
>>>>> +	mnt journal=20 ignored
>>>>> +	not_mnt nonsenseoption
>>>>> +	not_mnt nonsenseoption=value
>>>>> +
>>>>> +	# generic mount options
>>>>> +	mnt lazytime
>>>>> +	mnt nolazytime ^lazytime
>>>>> +	mnt noatime
>>>>> +	mnt nodiratime
>>>>> +	mnt noexec
>>>>> +	mnt nosuid
>>>>> +	mnt ro
>>>>> +
>>>>> +	# generic remount check
>>>>> +	remount barrier nobarrier
>>>>> +	remount nobarrier barrier
>>>>> +	remount discard nodiscard
>>>>> +	remount nodiscard discard
>>>>> +
>>>>> +	# dax mount options
>>>>> +	simple_mount -o dax=always $SCRATCH_DEV $SCRATCH_MNT>   /dev/null 2>&1
>>>>> +	if [ $? -eq 0 ]; then
>>>>> +		$UMOUNT_PROG $SCRATCH_MNT 2>   /dev/null
>>>>> +		mnt dax
>>>>> +		mnt dax=always
>>>>> +		mnt dax=never
>>>>> +		mnt dax=inode
>>>>> +
>>>>> +		not_remount lazytime dax
>>>>> +		not_remount dax=always dax=never
>>>>> +
>>>>> +		if [[ $fstype != "ext2" ]]; then
>>>>> +			not_remount data=journal dax
>>>>> +			not_remount data=journal dax=always
>>>>> +			not_remount data=journal dax=never
>>>>> +			not_remount data=journal dax=inode
>>>>> +		fi
>>>>> +	fi
>>>>> +
>>>>> +	# Quota remount check
>>>>> +	remount grpquota usrquota
>>>>> +	remount usrquota quota
>>>>> +	remount usrquota usrjquota=q.u,jqfmt=vfsv0
>>>>> +	remount grpquota grpjquota=q.g,jqfmt=vfsv0
>>>>> +
>>>>> +	not_remount usrquota grpjquota=q.g,jqfmt=vfsv0
>>>>> +	not_remount grpquota usrjquota=q.u,jqfmt=vfsv0
>>>>> +
>>>>> +	remount quota usrjquota=q.u,jqfmt=vfsv0
>>>>> +	not_remount quota grpjquota=q.g,jqfmt=vfsv0
>>>>> +
>>>>> +	remount usrjquota=q.u,jqfmt=vfsv0 grpjquota=q.g
>>>>> +	not_remount usrjquota=q.u,jqfmt=vfsv0 usrjquota=q.ua
>>>>> +	not_remount grpjquota=q.g,jqfmt=vfsv0 grpjquota=q.ga
>>>>> +
>>>>> +	remount usrjquota=q.u,jqfmt=vfsv0 usrquota usrjquota=q.u,jqfmt=vfsv0
>>>>> +	remount grpjquota=q.g,jqfmt=vfsv0 grpquota grpjquota=q.g,jqfmt=vfsv0
>>>>> +	not_remount usrjquota=q.u,jqfmt=vfsv0 grpquota
>>>>> +	not_remount grpjquota=q.g,jqfmt=vfsv0 usrquota
>>>>> +
>>>>> +	remount grpjquota=q.g,jqfmt=vfsv0 grpjquota= ^grpjquota=
>>>>> +	remount usrjquota=q.u,jqfmt=vfsv0 usrjquota= ^usrjquota=
>>>>> +	remount grpjquota=q.g,usrjquota=q.u,jqfmt=vfsv0 grpjquota=,usrjquota= ^grpjquota=,^usrjquota=
>>>>> +
>>>>> +	remount jqfmt=vfsv0 grpjquota=q.g
>>>>> +	remount jqfmt=vfsv0 usrjquota=q.u
>>>>> +
>>>>> +	if [[ $fstype != "ext2" ]]; then
>>>>> +		remount noload data=journal norecovery
>>>>> +		not_remount data=ordered data=journal
>>>>> +		not_remount data=journal data=writeback
>>>>> +		not_remount data=writeback data=ordered
>>>>> +	fi
>>>>> +
>>>>> +	do_mkfs -O journal_dev $LOOP_LOGDEV ${LOGSIZE}k
>>>>> +	do_mkfs -J device=$LOOP_LOGDEV $SCRATCH_DEV ${SIZE}k
>>>>> +	mnt defaults
>>>>> +	mnt journal_path=$LOOP_LOGDEV ignored
>>>>> +	mnt journal_dev=$LOGDEV_DEVNUM ignored
>>>>> +	not_mnt journal_path=${LOOP_LOGDEV}_nonexistent ignored
>>>>> +	not_mnt journal_dev=123456 ignored
>>>>> +	not_mnt journal_dev=999999999999999 ignored
>>>>> +
>>>>> +	do_mkfs -E quotatype=prjquota $SCRATCH_DEV ${SIZE}k
>>>>> +	mnt prjquota
>>>>> +
>>>>> +	# test clearing/changing journalled quota when enabled
>>>>> +	echo "== Testing active journalled quota">>   $seqres.full
>>>>> +	mnt_only prjquota,grpjquota=aquota.group,usrjquota=aquota.user,jqfmt=vfsv0
>>>>> +
>>>>> +	# Prepare and enable quota
>>>>> +	quotacheck -vugm $SCRATCH_MNT>>   $seqres.full 2>&1
>>>>> +	quotaon -vug $SCRATCH_MNT>>   $seqres.full 2>&1
>>>>> +
>>>>> +	not_remount_noumount -r grpjquota=
>>>>> +	not_remount_noumount -r usrjquota=aaquota.user
>>>>> +	not_remount_noumount -r grpjquota=aaquota.group
>>>>> +	not_remount_noumount -r jqfmt=vfsv1
>>>>> +	not_remount_noumount -r noquota
>>>>> +	mnt_only remount,usrquota,grpquota ^usrquota,^grpquota
>>>>> +	$UMOUNT_PROG $SCRATCH_MNT>   /dev/null 2>&1
>>>>> +
>>>>> +	# test clearing/changing quota when enabled
>>>>> +	do_mkfs -E quotatype=^prjquota $SCRATCH_DEV ${SIZE}k
>>>>> +	not_mnt prjquota
>>>>> +	echo "== Testing active non-journalled quota">>   $seqres.full
>>>>> +	mnt_only grpquota,usrquota
>>>>> +
>>>>> +	# Prepare and enable quota
>>>>> +	quotacheck -vugm $SCRATCH_MNT>>   $seqres.full 2>&1
>>>>> +	quotaon -vug $SCRATCH_MNT>>   $seqres.full 2>&1
>>>>> +
>>>>> +	not_remount_noumount -r noquota
>>>>> +	not_remount_noumount -r usrjquota=aquota.user
>>>>> +	not_remount_noumount -r grpjquota=aquota.group
>>>>> +	not_remount_noumount -r jqfmt=vfsv1
>>>>> +	mnt_only remount,grpjquota= grpquota,^grpjquota
>>>>> +	mnt_only remount,usrjquota= usrquota,^usrjquota
>>>>> +	mnt_only remount,usrquota,grpquota usrquota,grpquota
>>>>> +	quotaoff -f $SCRATCH_MNT>>   $seqres.full 2>&1
>>>>> +	mnt_only remount,noquota ^usrquota,^grpquota,quota
>>>>> +	$UMOUNT_PROG $SCRATCH_MNT>   /dev/null 2>&1
>>>>> +
>>>>> +	# Quota feature
>>>>> +	echo "== Testing quota feature ">>   $seqres.full
>>>>> +	do_mkfs -O quota -E quotatype=prjquota $SCRATCH_DEV ${SIZE}k
>>>>> +	mnt usrjquota=aquota.user,jqfmt=vfsv0 ^usrjquota=
>>>>> +	mnt grpjquota=aquota.user,jqfmt=vfsv0 ^grpjquota=
>>>>> +	mnt jqfmt=vfsv1 ^jqfmt=
>>>>> +	mnt prjquota
>>>>> +	mnt usrquota
>>>>> +	mnt grpquota
>>>>> +	not_remount defaults usrjquota=aquota.user
>>>>> +	not_remount defaults grpjquota=aquota.user
>>>>> +	not_remount defaults jqfmt=vfsv1
>>>>> +	remount defaults grpjquota=,usrjquota= ignored
>>>>> +
>>>>> +done #for fstype in ext2 ext3 ext4; do
>>>>> +
>>>>> +$UMOUNT_PROG $SCRATCH_MNT>   /dev/null 2>&1
>>>>> +echo "$ERR errors encountered">>   $seqres.full
>>>>> +
>>>>> +status=$ERR
>>>>> +exit
>>>>> diff --git a/tests/ext4/053.out b/tests/ext4/053.out
>>>>> new file mode 100644
>>>>> index 00000000..d58db7e4
>>>>> --- /dev/null
>>>>> +++ b/tests/ext4/053.out
>>>>> @@ -0,0 +1,2 @@
>>>>> +QA output created by 053
>>>>> +Silence is golden.
>>>>> --
>>>>> 2.31.1
>>>>>
>>>>
>>>
>>>
>>>
>

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