Re: [PATCH v5] ext4: add test for all ext4/ext3/ext2 mount options

xuyang2018.jy
2021-11-09T01:14:40Z

on 2021/11/8 17:18, Lukas Czerner wrote:
> On Fri, Nov 05, 2021 at 12:45:53AM +0000, xuyang2018.jy@fujitsu.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@redhat.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@redhat.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
>>>>>
>>>>
>>>
>>>
>>>
>