dmsetup remove_all
wipefs -a --force /dev/sdb2
mkfs -t ext4 -q -E lazy_itable_init=0,lazy_journal_init=0 -F /dev/sdb2
mkdir -p /fs/sdb2
mount -t ext4 /dev/sdb2 /fs/sdb2
export LTP_RUNTIME_MUL=2
./runltp -f temp_single_test -d /fs/sdb2/tmpdir