#! /bin/bash
# SPDX-License-Identifier: GPL-2.0

#
# FSQA Test No. 301
#
# Ext4 defragmentation stress test
# Defragment file while other task does direct io
. ./common/preamble
_begin_fstest aio auto ioctl rw stress defrag

fio_config=$tmp.fio

# Import common functions.
. ./common/filter
. ./common/defrag

# real QA test starts here
_supported_fs ext4
_require_scratch
_require_defrag
_require_odirect

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