#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
#
# FSQA Test No. 269
#
# Run fsstress and ENSPC hitters in parallel, check fs consistency an the end
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
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
# Disable all sync operations to get higher load
FSSTRESS_AVOID="$FSSTRESS_AVOID -ffsync=0 -fsync=0 -ffdatasync=0"
_workout()
{
	echo ""
	echo "Run fsstress"
	echo ""
	num_iterations=10
	enospc_time=2
	out=$SCRATCH_MNT/fsstress.$$
	args=`_scale_fsstress_args -p128 -n999999999 -f setattr=1 $FSSTRESS_AVOID -d $out`
	echo "fsstress $args" >> $seqres.full
	$FSSTRESS_PROG $args > /dev/null 2>&1 &
	pid=$!
	echo "Run dd writers in parallel"
	for ((i=0; i < num_iterations; i++))
	do
		# File will be opened with O_TRUNC each time
		dd if=/dev/zero of=$SCRATCH_MNT/SPACE_CONSUMER bs=1M \
			>> $seqres.full 2>&1
		sleep $enospc_time
	done
	echo "Killing fsstress process..." >> $seqres.full
	kill $pid >> $seqres.full 2>&1
	wait $pid
}

# real QA test starts here
_supported_fs generic
_supported_os Linux
_require_scratch

rm -f $seqres.full
_scratch_mkfs_sized $((512 * 1024 * 1024)) >> $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
exit