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#! /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
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