On Wed, May 12, 2021 at 07:32:27AM +0800, Gao Xiang wrote:
> Add basic test to make sure the functionality works as expected.
>
> Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
> Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxx>
> ---
> tests/xfs/990 | 73 +++++++++++++++++++++++++++++++++++++++++++++++
> tests/xfs/990.out | 12 ++++++++
> tests/xfs/group | 1 +
> 3 files changed, 86 insertions(+)
> create mode 100755 tests/xfs/990
> create mode 100644 tests/xfs/990.out
>
> diff --git a/tests/xfs/990 b/tests/xfs/990
> new file mode 100755
> index 00000000..ec2592f6
> --- /dev/null
> +++ b/tests/xfs/990
> @@ -0,0 +1,73 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright (c) 2021 Red Hat, Inc. All Rights Reserved.
> +#
> +# FS QA Test 990
> +#
> +# XFS shrinkfs basic functionality test
> +#
> +# This test attempts to shrink with a small size (512K), half AG size and
> +# an out-of-bound size (agsize + 1) to observe if it works as expected.
> +#
> +seq=`basename $0`
> +seqres=$RESULT_DIR/$seq
> +echo "QA output created by $seq"
> +
> +here=`pwd`
> +tmp=/tmp/$$
> +status=1 # failure is the default!
> +trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +test_shrink()
> +{
> + $XFS_GROWFS_PROG -D"$1" $SCRATCH_MNT >> $seqres.full 2>&1
> + ret=$?
> +
> + _scratch_unmount
> + _check_scratch_fs
> + _scratch_mount
> +
> + $XFS_INFO_PROG $SCRATCH_MNT 2>&1 | _filter_mkfs 2>$tmp.growfs >/dev/null
> + . $tmp.growfs
> + [ $ret -eq 0 -a $1 -eq $dblocks ]
> +}
> +
> +# real QA test starts here
> +_supported_fs xfs
> +_require_xfs_scratch_shrink
> +
> +rm -f $seqres.full
> +echo "Format and mount"
> +
> +# agcount = 1 is forbidden on purpose, and need to ensure shrinking to
> +# 2 AGs isn't feasible yet. So agcount = 3 is the minimum number now.
> +_scratch_mkfs -dsize="$((512 * 1024 * 1024))" -dagcount=3 2>&1 | \
> + tee -a $seqres.full | _filter_mkfs 2>$tmp.mkfs
The stdout of _scratch_mkfs doesn't seem necessary, I discard it as
well. And also in xfs/991.
Thanks,
Eryu
> +. $tmp.mkfs
> +t_dblocks=$dblocks
> +_scratch_mount >> $seqres.full
> +
> +echo "Shrink fs (small size)"
> +test_shrink $((t_dblocks-512*1024/dbsize)) || \
> + echo "Shrink fs (small size) failure"
> +
> +echo "Shrink fs (half AG)"
> +test_shrink $((t_dblocks-agsize/2)) || \
> + echo "Shrink fs (half AG) failure"
> +
> +echo "Shrink fs (out-of-bound)"
> +test_shrink $((t_dblocks-agsize-1)) && \
> + echo "Shrink fs (out-of-bound) failure"
> +[ $dblocks -ne $((t_dblocks-agsize/2)) ] && \
> + echo "dblocks changed after shrinking failure"
> +
> +$XFS_INFO_PROG $SCRATCH_MNT >> $seqres.full
> +echo "*** done"
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/xfs/990.out b/tests/xfs/990.out
> new file mode 100644
> index 00000000..812f89ef
> --- /dev/null
> +++ b/tests/xfs/990.out
> @@ -0,0 +1,12 @@
> +QA output created by 990
> +Format and mount
> +meta-data=DDEV isize=XXX agcount=N, agsize=XXX blks
> +data = bsize=XXX blocks=XXX, imaxpct=PCT
> + = sunit=XXX swidth=XXX, unwritten=X
> +naming =VERN bsize=XXX
> +log =LDEV bsize=XXX blocks=XXX
> +realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX
> +Shrink fs (small size)
> +Shrink fs (half AG)
> +Shrink fs (out-of-bound)
> +*** done
> diff --git a/tests/xfs/group b/tests/xfs/group
> index fe83f82d..472c8f9a 100644
> --- a/tests/xfs/group
> +++ b/tests/xfs/group
> @@ -520,3 +520,4 @@
> 537 auto quick
> 538 auto stress
> 539 auto quick mount
> +990 auto quick growfs shrinkfs
> --
> 2.27.0
