#! /bin/bash
# FS QA Test No. 112
#
# fsx (AIO variant, based on 075)
#
#-----------------------------------------------------------------------
# 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=nathans@sgi.com

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=0	# success is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
    cd /
    rm -rf $testdir/fsx.* $tmp.*
    _cleanup_testdir
}

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

_do_test()
{
    _n="$1"
    _param="$2"

    out=$testdir/fsx
    rm -rf $out
    if ! mkdir $out
    then
	echo "    failed to mkdir $out"
	status=1
	exit
    fi

    _filter_param=`echo "$_param" | sed\
	-e 's/-N [0-9][0-9]*/-N numops/' \
	-e 's/-l [0-9][0-9]*/-l filelen/'`

    echo ""
    echo "-----------------------------------------------"
    echo "fsx.$_n : $_filter_param"
    echo "-----------------------------------------------"

    if [ "$FSTYP" != "xfs" ]
    then
        if [ "$_n" = "1" -o "$_n" = "3" ]
        then
            # HACK: only xfs handles preallocation (-x) so just skip this test
            return
        fi
    fi

    # This cd and use of -P gets full debug on $here (not TEST_DEV)
    cd $out
    if ! $here/ltp/fsx $_param -P $here $seq.$_n >/dev/null
    then
	echo "    fsx ($_param) returned $? - see $seq.$_n.full"
	mv $seq.$_n.fsxlog $here/$seq.$_n.full
	status=1
	exit
    fi

    cd $here
    _check_test_fs
}

_usage()
{
    echo "$0: [-l filelen] [-n numops1] [-N numops2]"
}

_process_args()
{
    while getopts "l:n:N:?" c $@
    do
        case $c
        in
            l)
                filelen=$OPTARG
		param_type="$param_type, overidde -l"
                ;;
            N)
                numops2=$OPTARG
		param_type="$param_type, overidde -N"
                ;;
            n)
                numops1=$OPTARG
		param_type="$param_type, overidde -n"
                ;;
	    ?)
		_usage
		exit	
		;;
	esac
    done
}


# real QA test starts here
_supported_fs generic
_supported_os Linux

[ -x $here/ltp/aio-stress ] || \
	_notrun "fsx not built with AIO for this platform"

size10=`expr 10 \* 1024 \* 1024`	# 10 megabytes
filelen=$size10
numops1=1000
numops2=10000

# can override the params here
_process_args "$@"

echo "Params are for $param_type" >>$seq.full
echo "Params: n = $numops1 N = $numops2 l = $filelen" >>$seq.full

_setup_testdir

rm -f $here/$seq.full
echo "brevity is wit..."

_check_test_fs

# Options:
# -d: debug output for all operations
# -l flen: the upper bound on file size (default 262144)
# -o oplen: the upper bound on operation size
# -N numops: total # operations to do (default infinity)
# -P: save .fsxlog and .fsxgood files in dirpath (default ./)
# -S seed: for random # generator (default 1) 0 gets timestamp
# -x: pre-allocate file space, exercising unwritten extents
# -A: use the AIO system calls

_do_test 0 "-A -d -N $numops1 -S 0"
_do_test 1 "-A -d -N $numops1 -S 0 -x"
_do_test 2 "-A -d -N $numops2 -l $filelen -S 0"
_do_test 3 "-A -d -N $numops2 -l $filelen -S 0 -x"

rm -f $seq.*.fsx{good,log}
exit 0