Re: [PATCH v2] xfstests: xfs mount option sanity test

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On Wed, 2019-12-11 at 14:42 +0800, Zorro Lang wrote:
> On Thu, Oct 31, 2019 at 07:24:53AM +0800, Zorro Lang wrote:
> > On Wed, Oct 30, 2019 at 09:39:22AM -0700, Darrick J. Wong wrote:
> > > On Wed, Oct 30, 2019 at 06:34:10PM +0800, Zorro Lang wrote:
> > > > XFS is changing to suit the new mount API, so add this case to
> > > > make
> > > > sure the changing won't bring in regression issue on xfs mount
> > > > option
> > > > parse phase, and won't change some default behaviors either.
> > > > 
> > > > Signed-off-by: Zorro Lang <zlang@xxxxxxxxxx>
> > > > ---
> > > > 
> > > > Hi,
> > > > 
> > > > V2 did below changes:
> > > > 1) Fix wrong output messages in _do_test function
> > > 
> > > Hmm, I still see this on 5.4-rc4:
> > > 
> > > +[FAILED]: mount /dev/loop0 /mnt/148.mnt -o logbsize=16384
> > > +ERROR: expect there's logbsize=16k in , but found
> >                                              ^^^
> >                                              not
> > 
> > > +[FAILED]: mount /dev/loop0 /mnt/148.mnt -o logbsize=16k
> > > +ERROR: expect there's logbsize=16k in , but found
> >                                              ^^^
> >                                              not
> > 
> > Sorry for this typo, I'll fix it.
> > 
> > > Oh, right, you're stripping out MKFS_OPTIONS and formatting a
> > > loop
> > > device, which on my system means you get rmapbt=1 by default and
> > > whatnot.
> > 
> > Hmm...  why rmapbt=1 cause logbsize=16k can't be displayed in
> > /proc/mounts?
> > 
> > Actually set MKFS_OPTIONS="" is not helpful for this case, due to I
> > run
> > "$MKFS_XFS_PROG -f $* $LOOP_DEV" directly. I strip out
> > MKFS_OPTIONS,
> > because I use SCRACH_DEV at first :)
> > 
> > > I think the larger problem here might be that now we have to
> > > figure out
> > > the special-casing of some of these options.
> > 
> > Maybe we should avoid the testing about those behaviors can't be
> > sure, if we
> > can't make it have a fixed output.
> 
> It's been long time passed. I still don't have a proper way to
> reproduce and
> avoid this failure you hit. Does anyone has a better idea for this
> case?

I think I understand the problem but correct me if I'm wrong.

Couldn't you cover both cases, pass an additional parameter that
says what the default is if it isn't specified as an option and
don't fail if it is present in the options.

You could check kernel versions to decide whether to pass the
third parameter and so decide if you need to allow for a default
option to account for the differing behaviour.

Ian
> 
> Thanks,
> Zorro
> 
> > Thanks,
> > Zorro
> > 
> > > --D
> > > 
> > > > 2) Remove logbufs=N and logbsize=N default display test.
> > > > Lastest upstream
> > > >    kernel displays these options in /proc/mounts by default,
> > > > but old kernel
> > > >    doesn't show them except user indicate these options when
> > > > mount xfs.
> > > >    Refer to https://marc.info/?l=fstests&m=157199699615477&w=2
> > > > 
> > > > Thanks,
> > > > Zorro
> > > > 
> > > >  tests/xfs/148     | 320
> > > > ++++++++++++++++++++++++++++++++++++++++++++++
> > > >  tests/xfs/148.out |   6 +
> > > >  tests/xfs/group   |   1 +
> > > >  3 files changed, 327 insertions(+)
> > > >  create mode 100755 tests/xfs/148
> > > >  create mode 100644 tests/xfs/148.out
> > > > 
> > > > diff --git a/tests/xfs/148 b/tests/xfs/148
> > > > new file mode 100755
> > > > index 00000000..a662f6f7
> > > > --- /dev/null
> > > > +++ b/tests/xfs/148
> > > > @@ -0,0 +1,320 @@
> > > > +#! /bin/bash
> > > > +# SPDX-License-Identifier: GPL-2.0
> > > > +# Copyright (c) 2019 Red Hat, Inc. All Rights Reserved.
> > > > +#
> > > > +# FS QA Test 148
> > > > +#
> > > > +# XFS mount options sanity check, refer to 'man 5 xfs'.
> > > > +#
> > > > +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.*
> > > > +	$UMOUNT_PROG $LOOP_MNT 2>/dev/null
> > > > +	if [ -n "$LOOP_DEV" ];then
> > > > +		_destroy_loop_device $LOOP_DEV 2>/dev/null
> > > > +	fi
> > > > +	if [ -n "$LOOP_SPARE_DEV" ];then
> > > > +		_destroy_loop_device $LOOP_SPARE_DEV
> > > > 2>/dev/null
> > > > +	fi
> > > > +	rm -f $LOOP_IMG
> > > > +	rm -f $LOOP_SPARE_IMG
> > > > +	rmdir $LOOP_MNT
> > > > +}
> > > > +
> > > > +# get standard environment, filters and checks
> > > > +. ./common/rc
> > > > +. ./common/filter
> > > > +
> > > > +# remove previous $seqres.full before test
> > > > +rm -f $seqres.full
> > > > +
> > > > +# real QA test starts here
> > > > +_supported_fs xfs
> > > > +_supported_os Linux
> > > > +_require_test
> > > > +_require_loop
> > > > +_require_xfs_io_command "falloc"
> > > > +
> > > > +LOOP_IMG=$TEST_DIR/$seq.dev
> > > > +LOOP_SPARE_IMG=$TEST_DIR/$seq.logdev
> > > > +LOOP_MNT=$TEST_DIR/$seq.mnt
> > > > +
> > > > +echo "** create loop device"
> > > > +$XFS_IO_PROG -f -c "falloc 0 1g" $LOOP_IMG
> > > > +LOOP_DEV=`_create_loop_device $LOOP_IMG`
> > > > +
> > > > +echo "** create loop log device"
> > > > +$XFS_IO_PROG -f -c "falloc 0 512m" $LOOP_SPARE_IMG
> > > > +LOOP_SPARE_DEV=`_create_loop_device $LOOP_SPARE_IMG`
> > > > +
> > > > +echo "** create loop mount point"
> > > > +rmdir $LOOP_MNT 2>/dev/null
> > > > +mkdir -p $LOOP_MNT || _fail "cannot create loopback mount
> > > > point"
> > > > +
> > > > +# avoid the effection from MKFS_OPTIONS
> > > > +MKFS_OPTIONS=""
> > > > +do_mkfs()
> > > > +{
> > > > +	$MKFS_XFS_PROG -f $* $LOOP_DEV | _filter_mkfs
> > > > >$seqres.full 2>$tmp.mkfs
> > > > +	if [ "${PIPESTATUS[0]}" -ne 0 ]; then
> > > > +		_fail "Fails on _mkfs_dev $* $LOOP_DEV"
> > > > +	fi
> > > > +	. $tmp.mkfs
> > > > +}
> > > > +
> > > > +is_dev_mounted()
> > > > +{
> > > > +	findmnt --source $LOOP_DEV >/dev/null
> > > > +	return $?
> > > > +}
> > > > +
> > > > +get_mount_info()
> > > > +{
> > > > +	findmnt --source $LOOP_DEV -o OPTIONS -n
> > > > +}
> > > > +
> > > > +force_unmount()
> > > > +{
> > > > +	$UMOUNT_PROG $LOOP_MNT >/dev/null 2>&1
> > > > +}
> > > > +
> > > > +# _do_test <mount options> <should be mounted?> [<key string>
> > > > <key should be found?>]
> > > > +_do_test()
> > > > +{
> > > > +	local opts="$1"
> > > > +	local mounted="$2"	# pass or fail
> > > > +	local key="$3"
> > > > +	local found="$4"	# true or false
> > > > +	local rc
> > > > +	local info
> > > > +
> > > > +	# mount test
> > > > +	_mount $LOOP_DEV $LOOP_MNT $opts 2>/dev/null
> > > > +	rc=$?
> > > > +	if [ $rc -eq 0 ];then
> > > > +		if [ "${mounted}" = "fail" ];then
> > > > +			echo "[FAILED]: mount $LOOP_DEV
> > > > $LOOP_MNT $opts"
> > > > +			echo "ERROR: expect ${mounted}, but
> > > > pass"
> > > > +			return 1
> > > > +		fi
> > > > +		is_dev_mounted
> > > > +		if [ $? -ne 0 ];then
> > > > +			echo "[FAILED]: mount $LOOP_DEV
> > > > $LOOP_MNT $opts"
> > > > +			echo "ERROR: fs not mounted even mount
> > > > return 0"
> > > > +			return 1
> > > > +		fi
> > > > +	else
> > > > +		if [ "${mount_ret}" = "pass" ];then
> > > > +			echo "[FAILED]: mount $LOOP_DEV
> > > > $LOOP_MNT $opts"
> > > > +			echo "ERROR: expect ${mounted}, but
> > > > fail"
> > > > +			return 1
> > > > +		fi
> > > > +		is_dev_mounted
> > > > +		if [ $? -eq 0 ];then
> > > > +			echo "[FAILED]: mount $LOOP_DEV
> > > > $LOOP_MNT $opts"
> > > > +			echo "ERROR: fs is mounted even mount
> > > > return non-zero"
> > > > +			return 1
> > > > +		fi
> > > > +	fi
> > > > +
> > > > +	# Skip below checking if "$key" argument isn't
> > > > specified
> > > > +	if [ -z "$key" ];then
> > > > +		return 0
> > > > +	fi
> > > > +	# Check the mount options after fs mounted.
> > > > +	info=`get_mount_info`
> > > > +	echo $info | grep -q "${key}"
> > > > +	rc=$?
> > > > +	if [ $rc -eq 0 ];then
> > > > +		if [ "$found" != "true" ];then
> > > > +			echo "[FAILED]: mount $LOOP_DEV
> > > > $LOOP_MNT $opts"
> > > > +			echo "ERROR: expect there's not $key in
> > > > $info, but not found"
> > > > +			return 1
> > > > +		fi
> > > > +	else
> > > > +		if [ "$found" != "false" ];then
> > > > +			echo "[FAILED]: mount $LOOP_DEV
> > > > $LOOP_MNT $opts"
> > > > +			echo "ERROR: expect there's $key in
> > > > $info, but found"
> > > > +			return 1
> > > > +		fi
> > > > +	fi
> > > > +
> > > > +	return 0
> > > > +}
> > > > +
> > > > +do_test()
> > > > +{
> > > > +	# force unmount before testing
> > > > +	force_unmount
> > > > +	_do_test "$@"
> > > > +	# force unmount after testing
> > > > +	force_unmount
> > > > +}
> > > > +
> > > > +echo "** start xfs mount testing ..."
> > > > +# Test allocsize=size
> > > > +# Valid values for this option are page size (typically 4KiB)
> > > > through to 1GiB
> > > > +do_mkfs
> > > > +if [ $dbsize -ge 1024 ];then
> > > > +	blsize="$((dbsize / 1024))k"
> > > > +fi
> > > > +do_test "" pass "allocsize" "false"
> > > > +do_test "-o allocsize=$blsize" pass "allocsize=$blsize" "true"
> > > > +do_test "-o allocsize=1048576k" pass "allocsize=1048576k"
> > > > "true"
> > > > +do_test "-o allocsize=$((dbsize / 2))" fail
> > > > +do_test "-o allocsize=2g" fail
> > > > +
> > > > +# Test attr2
> > > > +do_mkfs -m crc=1
> > > > +do_test "" pass "attr2" "true"
> > > > +do_test "-o attr2" pass "attr2" "true"
> > > > +do_test "-o noattr2" fail
> > > > +do_mkfs -m crc=0
> > > > +do_test "" pass "attr2" "true"
> > > > +do_test "-o attr2" pass "attr2" "true"
> > > > +do_test "-o noattr2" pass "attr2" "false"
> > > > +
> > > > +# Test discard
> > > > +do_mkfs
> > > > +do_test "" pass "discard" "false"
> > > > +do_test "-o discard" pass "discard" "true"
> > > > +do_test "-o nodiscard" pass "discard" "false"
> > > > +
> > > > +# Test grpid|bsdgroups|nogrpid|sysvgroups
> > > > +do_test "" pass "grpid" "false"
> > > > +do_test "-o grpid" pass "grpid" "true"
> > > > +do_test "-o bsdgroups" pass "grpid" "true"
> > > > +do_test "-o nogrpid" pass "grpid" "false"
> > > > +do_test "-o sysvgroups" pass "grpid" "false"
> > > > +
> > > > +# Test filestreams
> > > > +do_test "" pass "filestreams" "false"
> > > > +do_test "-o filestreams" pass "filestreams" "true"
> > > > +
> > > > +# Test ikeep
> > > > +do_test "" pass "ikeep" "false"
> > > > +do_test "-o ikeep" pass "ikeep" "true"
> > > > +do_test "-o noikeep" pass "ikeep" "false"
> > > > +
> > > > +# Test inode32|inode64
> > > > +do_test "" pass "inode64" "true"
> > > > +do_test "-o inode32" pass "inode32" "true"
> > > > +do_test "-o inode64" pass "inode64" "true"
> > > > +
> > > > +# Test largeio
> > > > +do_test "" pass "largeio" "false"
> > > > +do_test "-o largeio" pass "largeio" "true"
> > > > +do_test "-o nolargeio" pass "largeio" "false"
> > > > +
> > > > +# Test logbufs=value. Valid numbers range from 2–8 inclusive.
> > > > +# New kernel (refer to 4f62282a3696 xfs: cleanup
> > > > xlog_get_iclog_buffer_size)
> > > > +# prints "logbufs=N" in /proc/mounts, but old kernel not. So
> > > > the default
> > > > +# 'display' about logbufs can't be expected, disable this
> > > > test.
> > > > +#do_test "" pass "logbufs" "false"
> > > > +do_test "-o logbufs=8" pass "logbufs=8" "true"
> > > > +do_test "-o logbufs=2" pass "logbufs=2" "true"
> > > > +do_test "-o logbufs=1" fail
> > > > +do_test "-o logbufs=9" fail
> > > > +do_test "-o logbufs=99999999999999" fail
> > > > +
> > > > +# Test logbsize=value.
> > > > +do_mkfs -m crc=1 -l version=2
> > > > +# New kernel (refer to 4f62282a3696 xfs: cleanup
> > > > xlog_get_iclog_buffer_size)
> > > > +# prints "logbsize=N" in /proc/mounts, but old kernel not. So
> > > > the default
> > > > +# 'display' about logbsize can't be expected, disable this
> > > > test.
> > > > +#do_test "" pass "logbsize" "false"
> > > > +do_test "-o logbsize=16384" pass "logbsize=16k" "true"
> > > > +do_test "-o logbsize=16k" pass "logbsize=16k" "true"
> > > > +do_test "-o logbsize=32k" pass "logbsize=32k" "true"
> > > > +do_test "-o logbsize=64k" pass "logbsize=64k" "true"
> > > > +do_test "-o logbsize=128k" pass "logbsize=128k" "true"
> > > > +do_test "-o logbsize=256k" pass "logbsize=256k" "true"
> > > > +do_test "-o logbsize=8k" fail
> > > > +do_test "-o logbsize=512k" fail
> > > > +do_mkfs -m crc=0 -l version=1
> > > > +# New kernel (refer to 4f62282a3696 xfs: cleanup
> > > > xlog_get_iclog_buffer_size)
> > > > +# prints "logbsize=N" in /proc/mounts, but old kernel not. So
> > > > the default
> > > > +# 'display' about logbsize can't be expected, disable this
> > > > test.
> > > > +#do_test "" pass "logbsize" "false"
> > > > +do_test "-o logbsize=16384" pass "logbsize=16k" "true"
> > > > +do_test "-o logbsize=16k" pass "logbsize=16k" "true"
> > > > +do_test "-o logbsize=32k" pass "logbsize=32k" "true"
> > > > +do_test "-o logbsize=64k" fail
> > > > +
> > > > +# Test logdev
> > > > +do_mkfs
> > > > +do_test "" pass "logdev" "false"
> > > > +do_test "-o logdev=$LOOP_SPARE_DEV" fail
> > > > +do_mkfs -l logdev=$LOOP_SPARE_DEV
> > > > +do_test "-o logdev=$LOOP_SPARE_DEV" pass
> > > > "logdev=$LOOP_SPARE_DEV" "true"
> > > > +do_test "" fail
> > > > +
> > > > +# Test noalign
> > > > +do_mkfs
> > > > +do_test "" pass "noalign" "false"
> > > > +do_test "-o noalign" pass "noalign" "true"
> > > > +
> > > > +# Test norecovery
> > > > +do_test "" pass "norecovery" "false"
> > > > +do_test "-o norecovery,ro" pass "norecovery" "true"
> > > > +do_test "-o norecovery" fail
> > > > +
> > > > +# Test nouuid
> > > > +do_test "" pass "nouuid" "false"
> > > > +do_test "-o nouuid" pass "nouuid" "true"
> > > > +
> > > > +# Test noquota
> > > > +do_test "" pass "noquota" "true"
> > > > +do_test "-o noquota" pass "noquota" "true"
> > > > +
> > > > +# Test uquota/usrquota/quota/uqnoenforce/qnoenforce
> > > > +do_test "" pass "usrquota" "false"
> > > > +do_test "-o uquota" pass "usrquota" "true"
> > > > +do_test "-o usrquota" pass "usrquota" "true"
> > > > +do_test "-o quota" pass "usrquota" "true"
> > > > +do_test "-o uqnoenforce" pass "usrquota" "true"
> > > > +do_test "-o qnoenforce" pass "usrquota" "true"
> > > > +
> > > > +# Test gquota/grpquota/gqnoenforce
> > > > +do_test "" pass "grpquota" "false"
> > > > +do_test "-o gquota" pass "grpquota" "true"
> > > > +do_test "-o grpquota" pass "grpquota" "true"
> > > > +do_test "-o gqnoenforce" pass "gqnoenforce" "true"
> > > > +
> > > > +# Test pquota/prjquota/pqnoenforce
> > > > +do_test "" pass "prjquota" "false"
> > > > +do_test "-o pquota" pass "prjquota" "true"
> > > > +do_test "-o prjquota" pass "prjquota" "true"
> > > > +do_test "-o pqnoenforce" pass "pqnoenforce" "true"
> > > > +
> > > > +# Test sunit=value and swidth=value
> > > > +do_mkfs -d sunit=128,swidth=128
> > > > +do_test "-o sunit=8,swidth=8" pass "sunit=8,swidth=8" "true"
> > > > +do_test "-o sunit=8,swidth=64" pass "sunit=8,swidth=64" "true"
> > > > +do_test "-o sunit=128,swidth=128" pass "sunit=128,swidth=128"
> > > > "true"
> > > > +do_test "-o sunit=256,swidth=256" pass "sunit=256,swidth=256"
> > > > "true"
> > > > +do_test "-o sunit=2,swidth=2" fail
> > > > +
> > > > +# Test swalloc
> > > > +do_mkfs
> > > > +do_test "" pass "swalloc" "false"
> > > > +do_test "-o swalloc" pass "swalloc" "true"
> > > > +
> > > > +# Test wsync
> > > > +do_test "" pass "wsync" "false"
> > > > +do_test "-o wsync" pass "wsync" "true"
> > > > +
> > > > +echo "** end of testing"
> > > > +# success, all done
> > > > +status=0
> > > > +exit
> > > > diff --git a/tests/xfs/148.out b/tests/xfs/148.out
> > > > new file mode 100644
> > > > index 00000000..a71d9231
> > > > --- /dev/null
> > > > +++ b/tests/xfs/148.out
> > > > @@ -0,0 +1,6 @@
> > > > +QA output created by 148
> > > > +** create loop device
> > > > +** create loop log device
> > > > +** create loop mount point
> > > > +** start xfs mount testing ...
> > > > +** end of testing
> > > > diff --git a/tests/xfs/group b/tests/xfs/group
> > > > index f4ebcd8c..019aebad 100644
> > > > --- a/tests/xfs/group
> > > > +++ b/tests/xfs/group
> > > > @@ -145,6 +145,7 @@
> > > >  145 dmapi
> > > >  146 dmapi
> > > >  147 dmapi
> > > > +148 auto quick mount
> > > >  150 dmapi
> > > >  151 dmapi
> > > >  152 dmapi
> > > > -- 
> > > > 2.20.1
> > > > 




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