dmsetup remove_all
wipefs -a --force /dev/sda1
mkfs -t ext4 -q -E lazy_itable_init=0,lazy_journal_init=0 -F /dev/sda1
mkdir -p /fs/sda1
modprobe ext4
mount -t ext4 /dev/sda1 /fs/sda1
export LTP_RUNTIME_MUL=2
./runltp -f fs_perms_simple