+
+############################################################
+# PIOS
+#
+
+iterpr_KMGT () {
+ local str=$1
+ local num=${str:0:${#str}-1}
+ case ${str:${#str}-1} in
+ k|K ) num=$((num << 10));; #
+ m|M ) num=$((num << 20));; # emacs is confsued by the << and
+ g|G ) num=$((num << 30));; # these comments help it out.
+ t|T ) num=$((num << 40));; #
+ * ) num=$str;;
+ esac
+ echo $num
+}
+
+pios_file_size () {
+ # pios.c: check_device_size ()
+ # /* Adding 10% to total test size for filesystem overhead */
+ # size = size + (double)(size) * (double) (0.1);
+ # pios.c: set_actual_streams ()
+ # total_test_size = runarg->regioncount * runarg->regionsize
+
+ local size=$(($(iterpr_KMGT $pios_REGIONCOUNT) * \
+ $(iterpr_KMGT $pios_REGIONSIZE) ))
+ echo $size
+}
+
+space_check () {
+ local testdir=$DIR/$tdir
+ local stripe=$($LFS getstripe -c $testdir)
+
+ # if stripe_count = 1 the size should be less than min ost size, bug 24294
+ local space=$($LFS df $testdir | grep "filesystem summary:" | awk '{print $3}')
+ [ $stripe -eq 1 ] && space=$(min_ost_size)
+
+ local size=$(pios_file_size)
+ size=$(( size + size / 10 ))
+ # we can not use pios --cleanup|-x because we need the files exist for pios --verify,
+ # so, we need space available for each of pios_THREADCOUNT value run
+ local num_runs=$(echo ${pios_THREADCOUNT//,/ } | wc -w)
+ size=$(( size * $num_runs))
+ space=$((space * 1024))
+ echo size=$size space=$space
+ if [ $space -le $size ]; then
+ local ratio=$(( size / space + 1 ))
+ echo "Need free space atleast $size, available $space, ratio=$ratio"
+ local rgcount=$(( pios_REGIONCOUNT / ratio ))
+ echo "reducing pios_REGIONCOUNT=$pios_REGIONCOUNT on $ratio"
+ if [ $rgcount -eq 0 ]; then
+ echo "fs is too small, reduced pios_REGIONCOUNT=$rgcount"
+ return 10
+ fi
+ pios_REGIONCOUNT=$(( pios_REGIONCOUNT / ratio ))
+ echo using pios_REGIONCOUNT=$pios_REGIONCOUNT size=$(pios_file_size)
+ fi
+}
+
+pios_setup() {
+ local testdir=$DIR/$tdir
+ mkdir -p $testdir
+
+ stripes=1
+ [ "$1" == "--stripe" ] && stripes=-1
+ $LFS setstripe $testdir -c $stripes
+ echo "Test directory $testdir stripe count: $stripes"
+}
+
+pios_cleanup() {
+ local rc=${1:-0}
+ local testdir=$DIR/$tdir
+ if [ $rc -eq 0 ]; then
+ echo cleanup: testdir=$testdir rc=$rc
+ rm -rf $testdir
+ wait_delete_completed || true
+ fi
+}
+
+run_pios () {
+ local testdir=$DIR/$tdir
+ local cmd="$PIOSBIN -t $pios_THREADCOUNT -n $pios_REGIONCOUNT \
+ -c $pios_CHUNKSIZE -s $pios_REGIONSIZE \
+ -o $pios_OFFSET $@ -p $testdir"
+
+ if [ ! -d $testdir ]; then
+ error "No test directory created, setup_pios must have failed"
+ return 20
+ fi
+
+ log "$cmd"
+
+ local rc=0
+ eval $cmd
+ rc=$?
+
+ return $rc
+}
+
+test_pios_ssf() {
+ if [ -z "$PIOSBIN" ]; then
+ skip_env "$0 : pios not found PIOSBIN=$PIOSBIN"
+ return
+ fi
+
+ local rc=0
+ pios_setup --stripe || return
+ if ! space_check; then
+ skip_env "not enough space"
+ pios_cleanup
+ return 0
+ fi
+ run_pios || return
+ run_pios --verify || rc=$?
+ pios_cleanup $rc
+ return $rc
+}
+run_test pios_ssf "pios shared single file"
+
+test_pios_fpp() {
+ if [ -z "$PIOSBIN" ]; then
+ skip_env "pios not found PIOSBIN=$PIOSBIN"
+ return
+ fi
+
+ local rc=0
+ pios_setup || return
+ if ! space_check; then
+ skip_env "not enough space"
+ pios_cleanup
+ return 0
+ fi
+ run_pios -L fpp || return
+ run_pios -L fpp --verify || rc=$?
+ pios_cleanup $rc
+ return $rc
+}
+run_test pios_fpp "pios file per process"
+
+complete $(basename $0) $SECONDS