diff mbox

xfs: limit xfs_growfs size if test with --large-fs

Message ID 20180427082254.25524-1-zlang@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Zorro Lang April 27, 2018, 8:22 a.m. UTC
When test on large SCRATCH_DEV, grow a small XFS to huge size is a
horrible thing (e.g grow 128m to 500T). So add a helper named
_scratch_xfs_growfs_limited() to do below things:

1) If --large-fs is used, limit growfs size.
2) If a limit size parameter is specified, make sure growfs won't
beyond this size.

Signed-off-by: Zorro Lang <zlang@redhat.com>
---
 common/xfs    | 34 ++++++++++++++++++++++++++++++++++
 tests/xfs/002 |  2 +-
 tests/xfs/127 |  2 +-
 tests/xfs/233 |  2 +-
 4 files changed, 37 insertions(+), 3 deletions(-)

Comments

Eryu Guan May 9, 2018, 4:02 p.m. UTC | #1
[cc linux-xfs list for xfs test]

On Fri, Apr 27, 2018 at 04:22:54PM +0800, Zorro Lang wrote:
> When test on large SCRATCH_DEV, grow a small XFS to huge size is a
> horrible thing (e.g grow 128m to 500T). So add a helper named
> _scratch_xfs_growfs_limited() to do below things:
> 
> 1) If --large-fs is used, limit growfs size.
> 2) If a limit size parameter is specified, make sure growfs won't
> beyond this size.
> 
> Signed-off-by: Zorro Lang <zlang@redhat.com>

Sorry for the late review..

This looks fine to me, but I'd like to let XFS developers to take a look
too, I'm not sure if "10 times larger" is a sane default value.

BTW, the subject doesn't quite describe what the patch does:

"xfs: limit xfs_growfs size if test with --large-fs"

The patch also limits the growfs size based on the user-specified fs
size.

> ---
>  common/xfs    | 34 ++++++++++++++++++++++++++++++++++
>  tests/xfs/002 |  2 +-
>  tests/xfs/127 |  2 +-
>  tests/xfs/233 |  2 +-
>  4 files changed, 37 insertions(+), 3 deletions(-)
> 
> diff --git a/common/xfs b/common/xfs
> index e0bc3f43..6200297c 100644
> --- a/common/xfs
> +++ b/common/xfs
> @@ -721,3 +721,37 @@ _require_xfs_db_write_array()
>  	rm -f $TEST_DIR/$seq.img
>  	[ $supported -eq 0 ] && _notrun "xfs_db write can't support array"
>  }
> +
> +# If test on large device or a limit size is specified, this helper make sure
> +# xfs_growfs won't beyond this limit (try to grow 10 times current fs size by
> +# default).
> +#   usage: _scratch_xfs_growfs_limited [size_by_byte]
> +_scratch_xfs_growfs_limited()

I think we could just name it as _scratch_xfs_growfs().

Thanks,
Eryu

> +{
> +
> +	local limit_size="$1"
> +	local option=""
> +
> +	if [ "$LARGE_SCRATCH_DEV" = "yes" -o -n "$limit_size" ]; then
> +		local tmp=`mktemp -u`
> +		xfs_info $SCRATCH_MNT | _filter_mkfs > /dev/null 2>$tmp.info
> +		. $tmp.info
> +		rm -f $tmp.info
> +
> +		local fs_size=$((dbsize * dblocks))
> +		local dev_size_kb=`_get_device_size $SCRATCH_DEV`
> +
> +		# default limit_size is 10 times current fs size.
> +		if [ -z "$limit_size" ]; then
> +			limit_size=$((fs_size * 10))
> +		fi
> +		# don't limit growfs size if device size is smaller
> +		if [ $((dev_size_kb * 1024)) -gt $limit_size ]; then
> +			option="-D $((limit_size / dbsize))"
> +		else
> +			option=""
> +		fi
> +	fi
> +
> +	$XFS_GROWFS_PROG $option $SCRATCH_MNT
> +}
> diff --git a/tests/xfs/002 b/tests/xfs/002
> index 741117be..42d2e2d7 100755
> --- a/tests/xfs/002
> +++ b/tests/xfs/002
> @@ -68,7 +68,7 @@ _scratch_xfs_db -x -c "sb 2" -c "type data" -c "write fill 0xff 224 4"
>  _scratch_mount
>  
>  # This should pass
> -$XFS_GROWFS_PROG $SCRATCH_MNT >> $seqres.full 2>&1 || _fail "growfs failed"
> +_scratch_xfs_growfs_limited >> $seqres.full 2>&1 || _fail "growfs failed"
>  
>  # success, all done
>  status=0
> diff --git a/tests/xfs/127 b/tests/xfs/127
> index 9df99904..c05fcee9 100755
> --- a/tests/xfs/127
> +++ b/tests/xfs/127
> @@ -61,7 +61,7 @@ _cp_reflink $testdir/original $testdir/copy1
>  _cp_reflink $testdir/copy1 $testdir/copy2
>  
>  echo "Grow fs"
> -$XFS_GROWFS_PROG $SCRATCH_MNT 2>&1 |  _filter_growfs >> $seqres.full
> +_scratch_xfs_growfs_limited 2>&1 | _filter_growfs >> $seqres.full
>  _scratch_cycle_mount
>  
>  echo "Create more reflink copies"
> diff --git a/tests/xfs/233 b/tests/xfs/233
> index e61c444d..a0dd42e7 100755
> --- a/tests/xfs/233
> +++ b/tests/xfs/233
> @@ -59,7 +59,7 @@ cp -p $testdir/original $testdir/copy1
>  cp -p $testdir/copy1 $testdir/copy2
>  
>  echo "Grow fs"
> -$XFS_GROWFS_PROG $SCRATCH_MNT 2>&1 |  _filter_growfs >> $seqres.full
> +_scratch_xfs_growfs_limited 2>&1 |  _filter_growfs >> $seqres.full
>  _scratch_cycle_mount
>  
>  echo "Create more copies"
> -- 
> 2.14.3
> 
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Darrick J. Wong May 9, 2018, 4:22 p.m. UTC | #2
On Thu, May 10, 2018 at 12:02:14AM +0800, Eryu Guan wrote:
> [cc linux-xfs list for xfs test]
> 
> On Fri, Apr 27, 2018 at 04:22:54PM +0800, Zorro Lang wrote:
> > When test on large SCRATCH_DEV, grow a small XFS to huge size is a
> > horrible thing (e.g grow 128m to 500T). So add a helper named
> > _scratch_xfs_growfs_limited() to do below things:
> > 
> > 1) If --large-fs is used, limit growfs size.
> > 2) If a limit size parameter is specified, make sure growfs won't
> > beyond this size.
> > 
> > Signed-off-by: Zorro Lang <zlang@redhat.com>
> 
> Sorry for the late review..
> 
> This looks fine to me, but I'd like to let XFS developers to take a look
> too, I'm not sure if "10 times larger" is a sane default value.
> 
> BTW, the subject doesn't quite describe what the patch does:
> 
> "xfs: limit xfs_growfs size if test with --large-fs"
> 
> The patch also limits the growfs size based on the user-specified fs
> size.

Agreed.

> > ---
> >  common/xfs    | 34 ++++++++++++++++++++++++++++++++++
> >  tests/xfs/002 |  2 +-
> >  tests/xfs/127 |  2 +-
> >  tests/xfs/233 |  2 +-
> >  4 files changed, 37 insertions(+), 3 deletions(-)
> > 
> > diff --git a/common/xfs b/common/xfs
> > index e0bc3f43..6200297c 100644
> > --- a/common/xfs
> > +++ b/common/xfs
> > @@ -721,3 +721,37 @@ _require_xfs_db_write_array()
> >  	rm -f $TEST_DIR/$seq.img
> >  	[ $supported -eq 0 ] && _notrun "xfs_db write can't support array"
> >  }
> > +
> > +# If test on large device or a limit size is specified, this helper make sure
> > +# xfs_growfs won't beyond this limit (try to grow 10 times current fs size by
> > +# default).
> > +#   usage: _scratch_xfs_growfs_limited [size_by_byte]
> > +_scratch_xfs_growfs_limited()
> 
> I think we could just name it as _scratch_xfs_growfs().

And tweak the documentation to make its behavior clearer:

"Grows the mounted scratch filesystem.

"If max_size_in_bytes is specified, the filesystem will not be grown
larger than that size.  Otherwise, if LARGE_SCRATCH_DEV == yes, the
filesystem will not be grown larger than 10x the current size.  If
max_size_in_bytes is not specified and LARGE_SCRATCH_DEV != yes, the
scratch filesystem will be expanded to fit the scratch device."

Assuming that's the intended behavior.

--D

> 
> Thanks,
> Eryu
> 
> > +{
> > +
> > +	local limit_size="$1"
> > +	local option=""
> > +
> > +	if [ "$LARGE_SCRATCH_DEV" = "yes" -o -n "$limit_size" ]; then
> > +		local tmp=`mktemp -u`
> > +		xfs_info $SCRATCH_MNT | _filter_mkfs > /dev/null 2>$tmp.info
> > +		. $tmp.info
> > +		rm -f $tmp.info
> > +
> > +		local fs_size=$((dbsize * dblocks))
> > +		local dev_size_kb=`_get_device_size $SCRATCH_DEV`
> > +
> > +		# default limit_size is 10 times current fs size.
> > +		if [ -z "$limit_size" ]; then
> > +			limit_size=$((fs_size * 10))
> > +		fi
> > +		# don't limit growfs size if device size is smaller
> > +		if [ $((dev_size_kb * 1024)) -gt $limit_size ]; then
> > +			option="-D $((limit_size / dbsize))"
> > +		else
> > +			option=""
> > +		fi
> > +	fi
> > +
> > +	$XFS_GROWFS_PROG $option $SCRATCH_MNT
> > +}
> > diff --git a/tests/xfs/002 b/tests/xfs/002
> > index 741117be..42d2e2d7 100755
> > --- a/tests/xfs/002
> > +++ b/tests/xfs/002
> > @@ -68,7 +68,7 @@ _scratch_xfs_db -x -c "sb 2" -c "type data" -c "write fill 0xff 224 4"
> >  _scratch_mount
> >  
> >  # This should pass
> > -$XFS_GROWFS_PROG $SCRATCH_MNT >> $seqres.full 2>&1 || _fail "growfs failed"
> > +_scratch_xfs_growfs_limited >> $seqres.full 2>&1 || _fail "growfs failed"
> >  
> >  # success, all done
> >  status=0
> > diff --git a/tests/xfs/127 b/tests/xfs/127
> > index 9df99904..c05fcee9 100755
> > --- a/tests/xfs/127
> > +++ b/tests/xfs/127
> > @@ -61,7 +61,7 @@ _cp_reflink $testdir/original $testdir/copy1
> >  _cp_reflink $testdir/copy1 $testdir/copy2
> >  
> >  echo "Grow fs"
> > -$XFS_GROWFS_PROG $SCRATCH_MNT 2>&1 |  _filter_growfs >> $seqres.full
> > +_scratch_xfs_growfs_limited 2>&1 | _filter_growfs >> $seqres.full
> >  _scratch_cycle_mount
> >  
> >  echo "Create more reflink copies"
> > diff --git a/tests/xfs/233 b/tests/xfs/233
> > index e61c444d..a0dd42e7 100755
> > --- a/tests/xfs/233
> > +++ b/tests/xfs/233
> > @@ -59,7 +59,7 @@ cp -p $testdir/original $testdir/copy1
> >  cp -p $testdir/copy1 $testdir/copy2
> >  
> >  echo "Grow fs"
> > -$XFS_GROWFS_PROG $SCRATCH_MNT 2>&1 |  _filter_growfs >> $seqres.full
> > +_scratch_xfs_growfs_limited 2>&1 |  _filter_growfs >> $seqres.full
> >  _scratch_cycle_mount
> >  
> >  echo "Create more copies"
> > -- 
> > 2.14.3
> > 
> > --
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Dave Chinner May 10, 2018, 10:18 p.m. UTC | #3
On Fri, Apr 27, 2018 at 04:22:54PM +0800, Zorro Lang wrote:
> When test on large SCRATCH_DEV, grow a small XFS to huge size is a
> horrible thing (e.g grow 128m to 500T). So add a helper named
> _scratch_xfs_growfs_limited() to do below things:
> 
> 1) If --large-fs is used, limit growfs size.
> 2) If a limit size parameter is specified, make sure growfs won't
> beyond this size.
> 
> Signed-off-by: Zorro Lang <zlang@redhat.com>

I think I originally just didn't run growfs tests like this on large
filesystems. i.e. require_no_largefs....

Cheers,

Dave.
Zorro Lang May 11, 2018, 3:41 a.m. UTC | #4
On Fri, May 11, 2018 at 08:18:59AM +1000, Dave Chinner wrote:
> On Fri, Apr 27, 2018 at 04:22:54PM +0800, Zorro Lang wrote:
> > When test on large SCRATCH_DEV, grow a small XFS to huge size is a
> > horrible thing (e.g grow 128m to 500T). So add a helper named
> > _scratch_xfs_growfs_limited() to do below things:
> > 
> > 1) If --large-fs is used, limit growfs size.
> > 2) If a limit size parameter is specified, make sure growfs won't
> > beyond this size.
> > 
> > Signed-off-by: Zorro Lang <zlang@redhat.com>
> 
> I think I originally just didn't run growfs tests like this on large
> filesystems. i.e. require_no_largefs....

Hmm... Sorry, am I facing different review-points from 3 different XFS maintainers? ...

Dave: require_no_largefs is better.
Darrick: nearly ack this patch.
Eric: 
2018-04-27 04:03 < sandeen> [15:01]  <zoro> [00:55:47] I think maybe use _require_no_large_scratch_dev for xfs/002 will be better. Grow a 128M XFS to large size is 'horrible'
2018-04-27 04:03 < sandeen> just limit growfs to something smaller.

What should I do next?

Thanks,
Zorro

> 
> Cheers,
> 
> Dave.
> 
> -- 
> Dave Chinner
> david@fromorbit.com
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Dave Chinner May 11, 2018, 11:29 p.m. UTC | #5
On Fri, May 11, 2018 at 11:41:50AM +0800, Zorro Lang wrote:
> On Fri, May 11, 2018 at 08:18:59AM +1000, Dave Chinner wrote:
> > On Fri, Apr 27, 2018 at 04:22:54PM +0800, Zorro Lang wrote:
> > > When test on large SCRATCH_DEV, grow a small XFS to huge size is a
> > > horrible thing (e.g grow 128m to 500T). So add a helper named
> > > _scratch_xfs_growfs_limited() to do below things:
> > > 
> > > 1) If --large-fs is used, limit growfs size.
> > > 2) If a limit size parameter is specified, make sure growfs won't
> > > beyond this size.
> > > 
> > > Signed-off-by: Zorro Lang <zlang@redhat.com>
> > 
> > I think I originally just didn't run growfs tests like this on large
> > filesystems. i.e. require_no_largefs....
> 
> Hmm... Sorry, am I facing different review-points from 3 different XFS maintainers? ...

I'm not a maintainer, I'm just the guy who added this functionality
to xfstests originally. Deciding what is to be done needs to start
from an understanding of the criteria I used for skipping tests on
large devices.  In this case, I never intended to have multiple
order magnitude growfs tests run on large scratch devices.

When I added large device support, I tried to avoid tests that we
already had substantial coverage for. i.e. if inreasing the space
used by the test doesn't increase test coverage but only increased
test runtime, then I skipped it.  In this case, we already test
small to large size growfs via loopback devices on small scratch
devices (e.g. xfs/078), so doing it on extremely large scratch
devices doesn't reallycover any new code or error conditions.

Hence, based on my original criteria for deciding what tests to run
on large filesystems, I would have skipped this test if it caused
excessive runtime. I was testing on sparse devices on SSDs, so seek
times for growfs did not impact performance, hence I probably didn't
skip it...

> Dave: require_no_largefs is better.
> Darrick: nearly ack this patch.
> Eric: 
> 2018-04-27 04:03 < sandeen> [15:01]  <zoro> [00:55:47] I think maybe use _require_no_large_scratch_dev for xfs/002 will be better. Grow a 128M XFS to large size is 'horrible'
> 2018-04-27 04:03 < sandeen> just limit growfs to something smaller.
> 
> What should I do next?

Make your own decision about how best to proceed based on the
feedback you've received. Or ask the fstests maintainer to decide
what is best....  :P

Cheers,

Dave.
Darrick J. Wong May 12, 2018, 12:15 a.m. UTC | #6
On Sat, May 12, 2018 at 09:29:10AM +1000, Dave Chinner wrote:
> On Fri, May 11, 2018 at 11:41:50AM +0800, Zorro Lang wrote:
> > On Fri, May 11, 2018 at 08:18:59AM +1000, Dave Chinner wrote:
> > > On Fri, Apr 27, 2018 at 04:22:54PM +0800, Zorro Lang wrote:
> > > > When test on large SCRATCH_DEV, grow a small XFS to huge size is a
> > > > horrible thing (e.g grow 128m to 500T). So add a helper named
> > > > _scratch_xfs_growfs_limited() to do below things:
> > > > 
> > > > 1) If --large-fs is used, limit growfs size.
> > > > 2) If a limit size parameter is specified, make sure growfs won't
> > > > beyond this size.
> > > > 
> > > > Signed-off-by: Zorro Lang <zlang@redhat.com>
> > > 
> > > I think I originally just didn't run growfs tests like this on large
> > > filesystems. i.e. require_no_largefs....
> > 
> > Hmm... Sorry, am I facing different review-points from 3 different XFS maintainers? ...
> 
> I'm not a maintainer, I'm just the guy who added this functionality
> to xfstests originally. Deciding what is to be done needs to start
> from an understanding of the criteria I used for skipping tests on
> large devices.  In this case, I never intended to have multiple
> order magnitude growfs tests run on large scratch devices.
> 
> When I added large device support, I tried to avoid tests that we
> already had substantial coverage for. i.e. if inreasing the space
> used by the test doesn't increase test coverage but only increased
> test runtime, then I skipped it.  In this case, we already test
> small to large size growfs via loopback devices on small scratch
> devices (e.g. xfs/078), so doing it on extremely large scratch
> devices doesn't reallycover any new code or error conditions.
> 
> Hence, based on my original criteria for deciding what tests to run
> on large filesystems, I would have skipped this test if it caused
> excessive runtime. I was testing on sparse devices on SSDs, so seek
> times for growfs did not impact performance, hence I probably didn't
> skip it...
> 
> > Dave: require_no_largefs is better.
> > Darrick: nearly ack this patch.
> > Eric: 
> > 2018-04-27 04:03 < sandeen> [15:01]  <zoro> [00:55:47] I think maybe use _require_no_large_scratch_dev for xfs/002 will be better. Grow a 128M XFS to large size is 'horrible'
> > 2018-04-27 04:03 < sandeen> just limit growfs to something smaller.
> > 
> > What should I do next?
> 
> Make your own decision about how best to proceed based on the
> feedback you've received. Or ask the fstests maintainer to decide
> what is best....  :P

No, don'... :) jk

Yes, it's worth asking Eryu.  I'm ok with either resolution
(_require_no_large_scratch_dev or just constrict it to 10x growfs).

--D

> Cheers,
> 
> Dave.
> -- 
> Dave Chinner
> david@fromorbit.com
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Eryu Guan May 12, 2018, 5:53 a.m. UTC | #7
On Fri, May 11, 2018 at 11:41:50AM +0800, Zorro Lang wrote:
> On Fri, May 11, 2018 at 08:18:59AM +1000, Dave Chinner wrote:
> > On Fri, Apr 27, 2018 at 04:22:54PM +0800, Zorro Lang wrote:
> > > When test on large SCRATCH_DEV, grow a small XFS to huge size is a
> > > horrible thing (e.g grow 128m to 500T). So add a helper named
> > > _scratch_xfs_growfs_limited() to do below things:
> > > 
> > > 1) If --large-fs is used, limit growfs size.
> > > 2) If a limit size parameter is specified, make sure growfs won't
> > > beyond this size.
> > > 
> > > Signed-off-by: Zorro Lang <zlang@redhat.com>
> > 
> > I think I originally just didn't run growfs tests like this on large
> > filesystems. i.e. require_no_largefs....
> 
> Hmm... Sorry, am I facing different review-points from 3 different XFS maintainers? ...
> 
> Dave: require_no_largefs is better.
> Darrick: nearly ack this patch.
> Eric: 
> 2018-04-27 04:03 < sandeen> [15:01]  <zoro> [00:55:47] I think maybe use _require_no_large_scratch_dev for xfs/002 will be better. Grow a 128M XFS to large size is 'horrible'
> 2018-04-27 04:03 < sandeen> just limit growfs to something smaller.
> 
> What should I do next?

If testing on large device won't add more test coverage but only test
runtime, I'd like to just skip the tests.

Would you please send a new version of the patch that adds
_require_no_large_scratch_dev to the affected tests?

And thanks all for the comments!

Eryu

> 
> Thanks,
> Zorro
> 
> > 
> > Cheers,
> > 
> > Dave.
> > 
> > -- 
> > Dave Chinner
> > david@fromorbit.com
> --
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Zorro Lang May 12, 2018, 1:19 p.m. UTC | #8
On Sat, May 12, 2018 at 01:53:28PM +0800, Eryu Guan wrote:
> On Fri, May 11, 2018 at 11:41:50AM +0800, Zorro Lang wrote:
> > On Fri, May 11, 2018 at 08:18:59AM +1000, Dave Chinner wrote:
> > > On Fri, Apr 27, 2018 at 04:22:54PM +0800, Zorro Lang wrote:
> > > > When test on large SCRATCH_DEV, grow a small XFS to huge size is a
> > > > horrible thing (e.g grow 128m to 500T). So add a helper named
> > > > _scratch_xfs_growfs_limited() to do below things:
> > > > 
> > > > 1) If --large-fs is used, limit growfs size.
> > > > 2) If a limit size parameter is specified, make sure growfs won't
> > > > beyond this size.
> > > > 
> > > > Signed-off-by: Zorro Lang <zlang@redhat.com>
> > > 
> > > I think I originally just didn't run growfs tests like this on large
> > > filesystems. i.e. require_no_largefs....
> > 
> > Hmm... Sorry, am I facing different review-points from 3 different XFS maintainers? ...
> > 
> > Dave: require_no_largefs is better.
> > Darrick: nearly ack this patch.
> > Eric: 
> > 2018-04-27 04:03 < sandeen> [15:01]  <zoro> [00:55:47] I think maybe use _require_no_large_scratch_dev for xfs/002 will be better. Grow a 128M XFS to large size is 'horrible'
> > 2018-04-27 04:03 < sandeen> just limit growfs to something smaller.
> > 
> > What should I do next?
> 
> If testing on large device won't add more test coverage but only test
> runtime, I'd like to just skip the tests.
> 
> Would you please send a new version of the patch that adds
> _require_no_large_scratch_dev to the affected tests?

Sure, going to do that.

> 
> And thanks all for the comments!
> 
> Eryu
> 
> > 
> > Thanks,
> > Zorro
> > 
> > > 
> > > Cheers,
> > > 
> > > Dave.
> > > 
> > > -- 
> > > Dave Chinner
> > > david@fromorbit.com
> > --
> > To unsubscribe from this list: send the line "unsubscribe fstests" in
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diff mbox

Patch

diff --git a/common/xfs b/common/xfs
index e0bc3f43..6200297c 100644
--- a/common/xfs
+++ b/common/xfs
@@ -721,3 +721,37 @@  _require_xfs_db_write_array()
 	rm -f $TEST_DIR/$seq.img
 	[ $supported -eq 0 ] && _notrun "xfs_db write can't support array"
 }
+
+# If test on large device or a limit size is specified, this helper make sure
+# xfs_growfs won't beyond this limit (try to grow 10 times current fs size by
+# default).
+#   usage: _scratch_xfs_growfs_limited [size_by_byte]
+_scratch_xfs_growfs_limited()
+{
+
+	local limit_size="$1"
+	local option=""
+
+	if [ "$LARGE_SCRATCH_DEV" = "yes" -o -n "$limit_size" ]; then
+		local tmp=`mktemp -u`
+		xfs_info $SCRATCH_MNT | _filter_mkfs > /dev/null 2>$tmp.info
+		. $tmp.info
+		rm -f $tmp.info
+
+		local fs_size=$((dbsize * dblocks))
+		local dev_size_kb=`_get_device_size $SCRATCH_DEV`
+
+		# default limit_size is 10 times current fs size.
+		if [ -z "$limit_size" ]; then
+			limit_size=$((fs_size * 10))
+		fi
+		# don't limit growfs size if device size is smaller
+		if [ $((dev_size_kb * 1024)) -gt $limit_size ]; then
+			option="-D $((limit_size / dbsize))"
+		else
+			option=""
+		fi
+	fi
+
+	$XFS_GROWFS_PROG $option $SCRATCH_MNT
+}
diff --git a/tests/xfs/002 b/tests/xfs/002
index 741117be..42d2e2d7 100755
--- a/tests/xfs/002
+++ b/tests/xfs/002
@@ -68,7 +68,7 @@  _scratch_xfs_db -x -c "sb 2" -c "type data" -c "write fill 0xff 224 4"
 _scratch_mount
 
 # This should pass
-$XFS_GROWFS_PROG $SCRATCH_MNT >> $seqres.full 2>&1 || _fail "growfs failed"
+_scratch_xfs_growfs_limited >> $seqres.full 2>&1 || _fail "growfs failed"
 
 # success, all done
 status=0
diff --git a/tests/xfs/127 b/tests/xfs/127
index 9df99904..c05fcee9 100755
--- a/tests/xfs/127
+++ b/tests/xfs/127
@@ -61,7 +61,7 @@  _cp_reflink $testdir/original $testdir/copy1
 _cp_reflink $testdir/copy1 $testdir/copy2
 
 echo "Grow fs"
-$XFS_GROWFS_PROG $SCRATCH_MNT 2>&1 |  _filter_growfs >> $seqres.full
+_scratch_xfs_growfs_limited 2>&1 | _filter_growfs >> $seqres.full
 _scratch_cycle_mount
 
 echo "Create more reflink copies"
diff --git a/tests/xfs/233 b/tests/xfs/233
index e61c444d..a0dd42e7 100755
--- a/tests/xfs/233
+++ b/tests/xfs/233
@@ -59,7 +59,7 @@  cp -p $testdir/original $testdir/copy1
 cp -p $testdir/copy1 $testdir/copy2
 
 echo "Grow fs"
-$XFS_GROWFS_PROG $SCRATCH_MNT 2>&1 |  _filter_growfs >> $seqres.full
+_scratch_xfs_growfs_limited 2>&1 |  _filter_growfs >> $seqres.full
 _scratch_cycle_mount
 
 echo "Create more copies"