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apfstests/tests/btrfs/028
T
Eryu Guan 596a068bf1 fstests: teach _scratch_mkfs to handle mkfs option conflicts
Currently in _scratch_mkfs only xfs and ext4 could handle the mkfs
failure caused by conflicts between $MKFS_OPTIONS and mkfs options
specified by tests, because of _scratch_mkfs_xfs and
_scratch_mkfs_ext4. This is a very useful functionality that allows
tests to specify mkfs options safely and to test specific fs
configurations, without worrying about mkfs failures caused by these
options.

Now teach _scratch_mkfs to handle such mkfs option conflicts for
other filesystems too, i.e. mkfs again only with mkfs options
specified by tests. Also add the ability to filter unnecessary
messages from mkfs stderr.

Also update some btrfs tests to throw away _scratch_mkfs stdout,
because previously _scratch_mkfs did this for btrfs.

Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
2016-12-19 10:34:49 +08:00

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#! /bin/bash
# FS QA Test 028
#
# Test if qgroup can handle extent de-reference during reallocation.
# "extent de-reference" means that reducing an extent's reference count
# or freeing an extent.
# Although current qgroup can handle it, we still need to prevent any
# regression which may break current qgroup.
#
#-----------------------------------------------------------------------
# Copyright (c) 2016 Fujitsu. All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#-----------------------------------------------------------------------
#
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
# remove previous $seqres.full before test
rm -f $seqres.full
# real QA test starts here
_supported_fs btrfs
_supported_os Linux
_require_scratch
_require_btrfs_qgroup_report
_scratch_mkfs >/dev/null
_scratch_mount
_run_btrfs_util_prog quota enable $SCRATCH_MNT
_run_btrfs_util_prog quota rescan -w $SCRATCH_MNT
# Increase the probability of generating de-refer extent, and decrease
# other.
args=`_scale_fsstress_args -z \
-f write=10 -f unlink=10 \
-f creat=10 -f fsync=10 \
-f fsync=10 -n 100000 -p 2 \
-d $SCRATCH_MNT/stress_dir`
echo "Run fsstress $args" >>$seqres.full
$FSSTRESS_PROG $args >/dev/null 2>&1 &
fsstress_pid=$!
echo "Start balance" >>$seqres.full
_btrfs_stress_balance -d $SCRATCH_MNT >/dev/null 2>&1 &
balance_pid=$!
# 30s is enough to trigger bug
sleep $((30*$TIME_FACTOR))
kill $fsstress_pid $balance_pid
wait
# kill _btrfs_stress_balance can't end balance, so call btrfs balance cancel
# to cancel running or paused balance.
$BTRFS_UTIL_PROG balance cancel $SCRATCH_MNT &> /dev/null
_run_btrfs_util_prog filesystem sync $SCRATCH_MNT
_scratch_unmount
# qgroup will be checked at _check_scratch_fs() by fstest.
echo "Silence is golden"
status=0
exit