#!/bin/sh

#
# Copyright (c) 2016 EMC Corp.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
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# 2. Redistributions in binary form must reproduce the above copyright
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1

# "panic: swapoff: failed to locate 17590 swap blocks" seen:
# https://people.freebsd.org/~pho/stress/log/swapoff.txt

# Fixed by r305129.

. ../default.cfg

[ `sysctl -n vm.swap_total` -eq 0 ] && exit 0
[ `sysctl -n hw.physmem` -gt $(( 4 * 1024 * 1024 * 1024)) ] &&
    echo "RAM should be capped to 4GB for this test."

mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
mdconfig -a -t swap -s 1g -u $mdstart
newfs $newfs_flags md$mdstart > /dev/null
mount /dev/md$mdstart $mntpoint
chmod 777 $mntpoint

export runRUNTIME=5m
export RUNDIR=$mntpoint/stressX

su $testuser -c 'cd ..; ./run.sh marcus.cfg' &

sleep 120
swapoff -a
sleep 30
swapon -a
../tools/killall.sh
wait

n=0
while mount | grep $mntpoint | grep -q /dev/md; do
	umount $mntpoint || sleep 1
	n=$((n + 1))
	[ $n -gt 300 ] && { echo FAIL; exit 1; }
done
mdconfig -d -u $mdstart
exit 0