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|
#! /bin/bash
# FSQA Test No. 301
#
# Ext4 defragmentation stress test
# Defragment file while other task does direct io
#-----------------------------------------------------------------------
# (c) 2013 Dmitry Monakhov
#
# 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/$$
fio_config=$tmp.fio
status=1 # failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/defrag
# real QA test starts here
_supported_os Linux
_supported_fs ext4
_need_to_be_root
_require_scratch
_require_defrag
NUM_JOBS=$((4*LOAD_FACTOR))
BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
# We need space for 2 files (test file, and donor one)
# reserve 30% in order to avoid ENOSPC
FILE_SIZE=$((BLK_DEV_SIZE * (512 / (2 + 1))))
cat >$fio_config <<EOF
# Common e4defrag regression tests
[global]
ioengine=ioe_e4defrag
iodepth=1
directory=${SCRATCH_MNT}
filesize=${FILE_SIZE}
size=999G
buffered=0
fadvise_hint=0
#################################
# Test1
# Defragment file while other task does direct io
# Continious sequential defrag activity
[defrag-4k]
ioengine=e4defrag
iodepth=1
bs=128k
donorname=test1.def
filename=test1
inplace=0
rw=write
numjobs=${NUM_JOBS}
runtime=30*${TIME_FACTOR}
time_based
# Verifier
[aio-dio-verifier]
ioengine=libaio
iodepth=128*${LOAD_FACTOR}
numjobs=1
verify=crc32c-intel
verify_fatal=1
verify_dump=1
verify_backlog=1024
verify_async=1
verifysort=1
direct=1
bs=64k
rw=randwrite
filename=test1
runtime=30*${TIME_FACTOR}
time_based
EOF
_workout()
{
echo ""
echo " Start defragment activity"
echo ""
cat $fio_config >> $seqres.full
run_check $FIO_PROG $fio_config
}
_require_fio $fio_config
_scratch_mkfs >> $seqres.full 2>&1
_scratch_mount
if ! _workout; then
_scratch_unmount 2>/dev/null
exit
fi
if ! _scratch_unmount; then
echo "failed to umount"
status=1
exit
fi
status=0
|
