dmsetup remove_all
wipefs -a --force /dev/sdb1
wipefs -a --force /dev/sdb2
wipefs -a --force /dev/sdb3
wipefs -a --force /dev/sdb4
mkfs -t ext4 -q -F /dev/sdb2
mkfs -t ext4 -q -F /dev/sdb1
mkfs -t ext4 -q -F /dev/sdb3
mkfs -t ext4 -q -F /dev/sdb4
mkdir -p /fs/sdb1
mount -t ext4 /dev/sdb1 /fs/sdb1
mkdir -p /fs/sdb2
mount -t ext4 /dev/sdb2 /fs/sdb2
mkdir -p /fs/sdb3
mount -t ext4 /dev/sdb3 /fs/sdb3
mkdir -p /fs/sdb4
mount -t ext4 /dev/sdb4 /fs/sdb4
export TEST_DIR=/fs/sdb1
export TEST_DEV=/dev/sdb1
export FSTYP=ext4
export SCRATCH_MNT=/fs/scratch
mkdir /fs/scratch -p
export SCRATCH_DEV=/dev/sdb4
export LOGWRITES_DEV=/dev/sdb2
echo generic/455
./check -E tests/exclude/ext4 generic/455