mkfs -t btrfs /dev/sdd
mkfs -t btrfs /dev/sdc
mkfs -t btrfs /dev/sdb
mkfs -t btrfs /dev/sda
mount -t btrfs /dev/sda /fs/sda
mount -t btrfs /dev/sdb /fs/sdb
mount -t btrfs /dev/sdc /fs/sdc
mount -t btrfs /dev/sdd /fs/sdd
export TEST_DIR=/fs/sda
export TEST_DEV=/dev/sda
export FSTYP=btrfs
export SCRATCH_MNT=/fs/scratch
mkdir /fs/scratch -p
export SCRATCH_DEV_POOL="/dev/sdb /dev/sdc /dev/sdd"
./check generic/074 generic/075 generic/112 generic/132 generic/133