#! /bin/bash
# FS QA Test No. 234
#
# Stress setquota and setinfo handling.
#
#-----------------------------------------------------------------------
# Copyright (c) 2010 Jan Kara.  All Rights Reserved.
#
# Based on test 219,
# Copyright (c) 2005 Silicon Graphics, Inc.  All Rights Reserved.
#
# 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
#
#-----------------------------------------------------------------------
#
# creator
owner=jack@suse.cz

seq=`basename $0`
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
. ./common.quota

test_setting()
{
	echo; echo "### test limits and info setting"
	count=2000
	procs=5
	idmod=200000
	seed=$RANDOM
	RANDOM=$seed
	echo "Starting test with procs=$procs, idmod=$idmod, and seed=$seed" >>$seq.full

	for (( i = 0; i < $procs; i++ )); do
		( SETUCOUNT=1; SETGCOUNT=1; SETUIDS[0]=0; SETGIDS[0]=0
		for (( j = 0; j < $count; j++ )); do
			OP=$(($RANDOM%22))
			UG=$(($OP%2))
			OP=$(($OP/2))
			if [ $UG -eq 1 ]; then
				type='u'
			else
				type='g'
			fi
			if [ $OP -eq 10 ]; then
				setquota -t -$type $j $j $SCRATCH_MNT
			elif [ $OP -lt 5 ]; then
				ID=$((($RANDOM*32768+$RANDOM)%$idmod))
				if [ $UG -eq 1 ]; then
					SETUIDS[$SETUCOUNT]=$ID
					SETUCOUNT=$(($SETUCOUNT+1))
				else
					SETGIDS[$SETGCOUNT]=$ID
					SETGCOUNT=$(($SETGCOUNT+1))
				fi
				setquota -$type $ID $j $j $j $j $SCRATCH_MNT
			else
				if [ $UG -eq 1 ]; then
					ID=${SETUIDS[$(($RANDOM%$SETUCOUNT))]}
				else
					ID=${SETGIDS[$(($RANDOM%$SETGCOUNT))]}
				fi
				setquota -$type $ID 0 0 0 0 $SCRATCH_MNT
			fi
		done )&
	done
	wait
	echo "### done with testing"
}

# real QA test starts here
_supported_fs generic
_supported_os Linux #IRIX
_require_scratch
_require_quota
_need_to_be_root

# real QA test starts here
rm -f $seq.full

_scratch_mkfs >> $seq.full 2>&1
_scratch_mount "-o usrquota,grpquota"
quotacheck -u -g $SCRATCH_MNT 2>/dev/null
quotaon -u -g $SCRATCH_MNT 2>/dev/null
test_setting
umount $SCRATCH_DEV

status=0
exit