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|
#! /bin/bash
# FSQA Test No. btrfs/072
#
# Run btrfs scrub and defrag operations simultaneously with fsstress
# running in background.
#
#-----------------------------------------------------------------------
# Copyright (C) 2014 Red Hat Inc. 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
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 btrfs
_supported_os Linux
# we check scratch dev after each loop
_require_scratch_nocheck
_require_scratch_dev_pool 4
_btrfs_get_profile_configs
rm -f $seqres.full
run_test()
{
local mkfs_opts=$1
local with_compress=$2
echo "Test $mkfs_opts with $with_compress" >>$seqres.full
_scratch_pool_mkfs $mkfs_opts >>$seqres.full 2>&1
# make sure we created btrfs with desired options
if [ $? -ne 0 ]; then
echo "mkfs $mkfs_opts failed"
return
fi
_scratch_mount >>$seqres.full 2>&1
args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
echo "Run fsstress $args" >>$seqres.full
$FSSTRESS_PROG $args >/dev/null 2>&1 &
fsstress_pid=$!
echo -n "Start scrub worker: " >>$seqres.full
_btrfs_stress_scrub $SCRATCH_MNT >/dev/null 2>&1 &
scrub_pid=$!
echo "$scrub_pid" >>$seqres.full
echo -n "Start defrag worker: " >>$seqres.full
_btrfs_stress_defrag $SCRATCH_MNT $with_compress >/dev/null 2>&1 &
defrag_pid=$!
echo "$defrag_pid" >>$seqres.full
echo "Wait for fsstress to exit and kill all background workers" >>$seqres.full
wait $fsstress_pid
kill $scrub_pid $defrag_pid
wait
# wait for the scrub and defrag operations to finish
while ps aux | grep "scrub start" | grep -qv grep; do
sleep 1
done
while ps aux | grep "btrfs filesystem defrag" | grep -qv grep; do
sleep 1
done
echo "Scrub the filesystem" >>$seqres.full
$BTRFS_UTIL_PROG scrub start -B $SCRATCH_MNT >>$seqres.full 2>&1
if [ $? -ne 0 ]; then
echo "Scrub find errors in \"$mkfs_opts\" test" | tee -a $seqres.full
fi
_scratch_unmount
# we called _require_scratch_nocheck instead of _require_scratch
# do check after test for each profile config
_check_scratch_fs
}
echo "Silence is golden"
for t in "${_btrfs_profile_configs[@]}"; do
run_test "$t" nocompress
run_test "$t" compress
done
status=0
exit
|
