if not mounted, do not run

fio.sh

@@ -23,6 +23,7 @@ function run {
 }
 
 function run_write {
+	mount |grep -q mnt || exit 1
 	MDIR=$1
 	if [ ! -d $LOGD ]
 	then
@@ -48,6 +49,7 @@ function run_write {
 }
 
 function run_read {
+	mount |grep -q mnt || exit 1
 	MDIR=$1
 	HOST=$( hostname -s )
 	dir=$MDIR/fio/$HOST