Re: [PATCH 4/4] xfs: test upgrading filesystem to bigtime

["Darrick J. Wong" <djwong@kernel.org>]

On Sun, Apr 25, 2021 at 03:21:23PM +0800, Eryu Guan wrote:
> On Tue, Apr 20, 2021 at 05:23:26PM -0700, Darrick J. Wong wrote:
> > From: Darrick J. Wong <djwong@kernel.org>
> > 
> > Test that we can upgrade an existing filesystem to use bigtime.
> > 
> > Signed-off-by: Darrick J. Wong <djwong@kernel.org>
> > ---
> >  common/xfs        |   16 ++++++
> >  tests/xfs/908     |  117 ++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/908.out |   29 ++++++++++
> >  tests/xfs/909     |  149 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/909.out |    6 ++
> 
> I saw the quota test failed as below, is that expected? I was testing
> with v5.12-rc7 kernel and latest xfsprogs from for-next branch.
> 
> 
>  Running xfs_repair to upgrade filesystem.
>  Adding large timestamp support to filesystem.
>  FEATURES: BIGTIME:YES
> -grace2 expiry is in range
> -grace2 expiry after remount is in range
> +grace2 expiry has value of 18446744073076532766
> +grace2 expiry is NOT in range 7956915737 .. 7956915747
> +grace2 expiry after remount has value of 18446744073076532768
> +grace2 expiry after remount is NOT in range 7956915737 .. 7956915747

I think you need a version of quota-tools with commit 16b60cb9e315ed;
v4.06 should do.  I'll make a note of that in xfs/909 and resubmit.

--D

> Thanks,
> Eryu
> 
> P.S. I've applied the first 3 patches.
> 
> >  6 files changed, 319 insertions(+)
> >  create mode 100755 tests/xfs/908
> >  create mode 100644 tests/xfs/908.out
> >  create mode 100755 tests/xfs/909
> >  create mode 100644 tests/xfs/909.out
> > 
> > 
> > diff --git a/common/xfs b/common/xfs
> > index cb6a1978..253a31e5 100644
> > --- a/common/xfs
> > +++ b/common/xfs
> > @@ -1184,3 +1184,19 @@ _xfs_timestamp_range()
> >  			awk '{printf("%s %s", $1, $2);}'
> >  	fi
> >  }
> > +
> > +# Require that the scratch device exists, that mkfs can format with bigtime
> > +# enabled, that the kernel can mount such a filesystem, and that xfs_info
> > +# advertises the presence of that feature.
> > +_require_scratch_xfs_bigtime()
> > +{
> > +	_require_scratch
> > +
> > +	_scratch_mkfs -m bigtime=1 &>/dev/null || \
> > +		_notrun "mkfs.xfs doesn't support bigtime feature"
> > +	_try_scratch_mount || \
> > +		_notrun "kernel doesn't support xfs bigtime feature"
> > +	$XFS_INFO_PROG "$SCRATCH_MNT" | grep -q -w "bigtime=1" || \
> > +		_notrun "bigtime feature not advertised on mount?"
> > +	_scratch_unmount
> > +}
> > diff --git a/tests/xfs/908 b/tests/xfs/908
> > new file mode 100755
> > index 00000000..004a8563
> > --- /dev/null
> > +++ b/tests/xfs/908
> > @@ -0,0 +1,117 @@
> > +#! /bin/bash
> > +# SPDX-License-Identifier: GPL-2.0-or-later
> > +# Copyright (c) 2021 Oracle.  All Rights Reserved.
> > +#
> > +# FS QA Test No. 908
> > +#
> > +# Check that we can upgrade a filesystem to support bigtime and that inode
> > +# timestamps work properly after the upgrade.
> > +
> > +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
> > +
> > +# real QA test starts here
> > +_supported_fs xfs
> > +_require_command "$XFS_ADMIN_PROG" "xfs_admin"
> > +_require_scratch_xfs_bigtime
> > +_require_xfs_repair_upgrade bigtime
> > +
> > +date --date='Jan 1 00:00:00 UTC 2040' > /dev/null 2>&1 || \
> > +	_notrun "Userspace does not support dates past 2038."
> > +
> > +rm -f $seqres.full
> > +
> > +# Make sure we can't upgrade a V4 filesystem
> > +_scratch_mkfs -m crc=0 >> $seqres.full
> > +_scratch_xfs_admin -O bigtime=1 2>> $seqres.full
> > +_check_scratch_xfs_features BIGTIME
> > +
> > +# Make sure we're required to specify a feature status
> > +_scratch_mkfs -m crc=1,bigtime=0,inobtcount=0 >> $seqres.full
> > +_scratch_xfs_admin -O bigtime 2>> $seqres.full
> > +
> > +# Can we add bigtime and inobtcount at the same time?
> > +_scratch_mkfs -m crc=1,bigtime=0,inobtcount=0 >> $seqres.full
> > +_scratch_xfs_admin -O bigtime=1,inobtcount=1 2>> $seqres.full
> > +
> > +# Format V5 filesystem without bigtime support and populate it
> > +_scratch_mkfs -m crc=1,bigtime=0 >> $seqres.full
> > +_scratch_xfs_db -c 'version' -c 'sb 0' -c 'p' >> $seqres.full
> > +_scratch_mount >> $seqres.full
> > +
> > +touch -d 'Jan 9 19:19:19 UTC 1999' $SCRATCH_MNT/a
> > +touch -d 'Jan 9 19:19:19 UTC 1999' $SCRATCH_MNT/b
> > +ls -la $SCRATCH_MNT/* >> $seqres.full
> > +
> > +echo before upgrade:
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/a
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/b
> > +
> > +_scratch_unmount
> > +_check_scratch_fs
> > +
> > +# Now upgrade to bigtime support
> > +_scratch_xfs_admin -O bigtime=1 2>> $seqres.full
> > +_check_scratch_xfs_features BIGTIME
> > +_check_scratch_fs
> > +_scratch_xfs_db -c 'version' -c 'sb 0' -c 'p' >> $seqres.full
> > +
> > +# Mount again, look at our files
> > +_scratch_mount >> $seqres.full
> > +ls -la $SCRATCH_MNT/* >> $seqres.full
> > +
> > +echo after upgrade:
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/a
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/b
> > +
> > +# Bump one of the timestamps but stay under 2038
> > +touch -d 'Jan 10 19:19:19 UTC 1999' $SCRATCH_MNT/a
> > +
> > +echo after upgrade and bump:
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/a
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/b
> > +
> > +_scratch_cycle_mount
> > +
> > +# Did the bumped timestamp survive the remount?
> > +ls -la $SCRATCH_MNT/* >> $seqres.full
> > +
> > +echo after upgrade, bump, and remount:
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/a
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/b
> > +
> > +# Modify the other timestamp to stretch beyond 2038
> > +touch -d 'Feb 22 22:22:22 UTC 2222' $SCRATCH_MNT/b
> > +
> > +echo after upgrade and extension:
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/a
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/b
> > +
> > +_scratch_cycle_mount
> > +
> > +# Did the timestamp survive the remount?
> > +ls -la $SCRATCH_MNT/* >> $seqres.full
> > +
> > +echo after upgrade, extension, and remount:
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/a
> > +TZ=UTC stat -c '%Y' $SCRATCH_MNT/b
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/908.out b/tests/xfs/908.out
> > new file mode 100644
> > index 00000000..5e05854d
> > --- /dev/null
> > +++ b/tests/xfs/908.out
> > @@ -0,0 +1,29 @@
> > +QA output created by 908
> > +Running xfs_repair to upgrade filesystem.
> > +Large timestamp feature only supported on V5 filesystems.
> > +FEATURES: BIGTIME:NO
> > +Running xfs_repair to upgrade filesystem.
> > +Running xfs_repair to upgrade filesystem.
> > +Adding inode btree counts to filesystem.
> > +Adding large timestamp support to filesystem.
> > +before upgrade:
> > +915909559
> > +915909559
> > +Running xfs_repair to upgrade filesystem.
> > +Adding large timestamp support to filesystem.
> > +FEATURES: BIGTIME:YES
> > +after upgrade:
> > +915909559
> > +915909559
> > +after upgrade and bump:
> > +915995959
> > +915909559
> > +after upgrade, bump, and remount:
> > +915995959
> > +915909559
> > +after upgrade and extension:
> > +915995959
> > +7956915742
> > +after upgrade, extension, and remount:
> > +915995959
> > +7956915742
> > diff --git a/tests/xfs/909 b/tests/xfs/909
> > new file mode 100755
> > index 00000000..66587aa7
> > --- /dev/null
> > +++ b/tests/xfs/909
> > @@ -0,0 +1,149 @@
> > +#! /bin/bash
> > +# SPDX-License-Identifier: GPL-2.0-or-later
> > +# Copyright (c) 2021 Oracle.  All Rights Reserved.
> > +#
> > +# FS QA Test No. 909
> > +#
> > +# Check that we can upgrade a filesystem to support bigtime and that quota
> > +# timers work properly after the upgrade.
> > +
> > +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 $tmp.*
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/quota
> > +
> > +# real QA test starts here
> > +_supported_fs xfs
> > +_require_command "$XFS_ADMIN_PROG" "xfs_admin"
> > +_require_quota
> > +_require_scratch_xfs_bigtime
> > +_require_xfs_repair_upgrade bigtime
> > +
> > +date --date='Jan 1 00:00:00 UTC 2040' > /dev/null 2>&1 || \
> > +	_notrun "Userspace does not support dates past 2038."
> > +
> > +rm -f $seqres.full
> > +
> > +# Format V5 filesystem without bigtime support and populate it
> > +_scratch_mkfs -m crc=1,bigtime=0 >> $seqres.full
> > +_qmount_option "usrquota"
> > +_scratch_xfs_db -c 'version' -c 'sb 0' -c 'p' >> $seqres.full
> > +_scratch_mount >> $seqres.full
> > +
> > +# Force the block counters for uid 1 and 2 above zero
> > +_pwrite_byte 0x61 0 64k $SCRATCH_MNT/a >> $seqres.full
> > +_pwrite_byte 0x61 0 64k $SCRATCH_MNT/b >> $seqres.full
> > +sync
> > +chown 1 $SCRATCH_MNT/a
> > +chown 2 $SCRATCH_MNT/b
> > +
> > +# Set quota limits on uid 1 before upgrading
> > +$XFS_QUOTA_PROG -x -c 'limit -u bsoft=12k bhard=1m 1' $SCRATCH_MNT
> > +
> > +# Make sure the grace period is at /some/ point in the future.  We have to
> > +# use bc because not all bashes can handle integer comparisons with 64-bit
> > +# numbers.
> > +repquota -upn $SCRATCH_MNT > $tmp.repquota
> > +cat $tmp.repquota >> $seqres.full
> > +grace="$(cat $tmp.repquota | grep '^#1' | awk '{print $6}')"
> > +now="$(date +%s)"
> > +res="$(echo "${grace} > ${now}" | $BC_PROG)"
> > +test $res -eq 1 || echo "Expected timer expiry (${grace}) to be after now (${now})."
> > +
> > +_scratch_unmount
> > +
> > +# Now upgrade to bigtime support
> > +_scratch_xfs_admin -O bigtime=1 2>> $seqres.full
> > +_check_scratch_xfs_features BIGTIME
> > +_check_scratch_fs
> > +_scratch_xfs_db -c 'version' -c 'sb 0' -c 'p' >> $seqres.full
> > +
> > +# Mount again, see if our quota timer survived
> > +_scratch_mount
> > +
> > +# Set a very generous grace period and quota limits on uid 2 after upgrading
> > +$XFS_QUOTA_PROG -x -c 'timer -u -b -d 2147483647' $SCRATCH_MNT
> > +$XFS_QUOTA_PROG -x -c 'limit -u bsoft=10000 bhard=150000 2' $SCRATCH_MNT
> > +
> > +# Query the grace periods to see if they got set properly after the upgrade.
> > +repquota -upn $SCRATCH_MNT > $tmp.repquota
> > +cat $tmp.repquota >> $seqres.full
> > +grace1="$(repquota -upn $SCRATCH_MNT | grep '^#1' | awk '{print $6}')"
> > +grace2="$(repquota -upn $SCRATCH_MNT | grep '^#2' | awk '{print $6}')"
> > +now="$(date +%s)"
> > +
> > +# Make sure that uid 1's expiration is in the future...
> > +res1="$(echo "${grace} > ${now}" | $BC_PROG)"
> > +test "${res1}" -eq 1 || echo "Expected uid 1 expiry (${grace1}) to be after now (${now})."
> > +
> > +# ...and that uid 2's expiration is after uid 1's...
> > +res2="$(echo "${grace2} > ${grace1}" | $BC_PROG)"
> > +test "${res2}" -eq 1 || echo "Expected uid 2 expiry (${grace2}) to be after uid 1 (${grace1})."
> > +
> > +# ...and that uid 2's expiration is after 2038 if right now is far enough
> > +# past 1970 that our generous grace period would provide for that.
> > +res3="$(echo "(${now} < 100) || (${grace2} > 2147483648)" | $BC_PROG)"
> > +test "${res3}" -eq 1 || echo "Expected uid 2 expiry (${grace2}) to be after 2038."
> > +
> > +_scratch_cycle_mount
> > +
> > +# Query the grace periods to see if they survived a remount.
> > +repquota -upn $SCRATCH_MNT > $tmp.repquota
> > +cat $tmp.repquota >> $seqres.full
> > +grace1="$(repquota -upn $SCRATCH_MNT | grep '^#1' | awk '{print $6}')"
> > +grace2="$(repquota -upn $SCRATCH_MNT | grep '^#2' | awk '{print $6}')"
> > +now="$(date +%s)"
> > +
> > +# Make sure that uid 1's expiration is in the future...
> > +res1="$(echo "${grace} > ${now}" | $BC_PROG)"
> > +test "${res1}" -eq 1 || echo "Expected uid 1 expiry (${grace1}) to be after now (${now})."
> > +
> > +# ...and that uid 2's expiration is after uid 1's...
> > +res2="$(echo "${grace2} > ${grace1}" | $BC_PROG)"
> > +test "${res2}" -eq 1 || echo "Expected uid 2 expiry (${grace2}) to be after uid 1 (${grace1})."
> > +
> > +# ...and that uid 2's expiration is after 2038 if right now is far enough
> > +# past 1970 that our generous grace period would provide for that.
> > +res3="$(echo "(${now} < 100) || (${grace2} > 2147483648)" | $BC_PROG)"
> > +test "${res3}" -eq 1 || echo "Expected uid 2 expiry (${grace2}) to be after 2038."
> > +
> > +# Now try setting uid 2's expiration to Feb 22 22:22:22 UTC 2222
> > +new_expiry=$(date -d 'Feb 22 22:22:22 UTC 2222' +%s)
> > +now=$(date +%s)
> > +test $now -ge $new_expiry && \
> > +	echo "Now is after February 2222?  Expect problems."
> > +expiry_delta=$((new_expiry - now))
> > +
> > +echo "setting expiration to $new_expiry - $now = $expiry_delta" >> $seqres.full
> > +$XFS_QUOTA_PROG -x -c "timer -u $expiry_delta 2" -c 'report' $SCRATCH_MNT >> $seqres.full
> > +
> > +# Did we get an expiration within 5s of the target range?
> > +grace2="$(repquota -upn $SCRATCH_MNT | grep '^#2' | awk '{print $6}')"
> > +echo "grace2 is $grace2" >> $seqres.full
> > +_within_tolerance "grace2 expiry" $grace2 $new_expiry 5 -v
> > +
> > +_scratch_cycle_mount
> > +
> > +# ...and is it still within 5s after a remount?
> > +grace2="$(repquota -upn $SCRATCH_MNT | grep '^#2' | awk '{print $6}')"
> > +echo "grace2 is $grace2" >> $seqres.full
> > +_within_tolerance "grace2 expiry after remount" $grace2 $new_expiry 5 -v
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/909.out b/tests/xfs/909.out
> > new file mode 100644
> > index 00000000..72bf2416
> > --- /dev/null
> > +++ b/tests/xfs/909.out
> > @@ -0,0 +1,6 @@
> > +QA output created by 909
> > +Running xfs_repair to upgrade filesystem.
> > +Adding large timestamp support to filesystem.
> > +FEATURES: BIGTIME:YES
> > +grace2 expiry is in range
> > +grace2 expiry after remount is in range
> > diff --git a/tests/xfs/group b/tests/xfs/group
> > index b4e29bab..49bc4016 100644
> > --- a/tests/xfs/group
> > +++ b/tests/xfs/group
> > @@ -526,5 +526,7 @@
> >  768 auto quick repair
> >  770 auto repair
> >  773 auto quick repair
> > +908 auto quick bigtime
> > +909 auto quick bigtime quota
> >  910 auto quick inobtcount
> >  911 auto quick bigtime