dmsetup remove_all
wipefs -a --force /dev/sdb1
wipefs -a --force /dev/sdb2
wipefs -a --force /dev/sdb3
wipefs -a --force /dev/sdb4
wipefs -a --force /dev/sdb5
wipefs -a --force /dev/sdb6
mkfs -t btrfs /dev/sdb1
mkfs -t btrfs /dev/sdb3
mkfs -t btrfs /dev/sdb2
mkfs -t btrfs /dev/sdb4
mkfs -t btrfs /dev/sdb5
mkfs -t btrfs /dev/sdb6
mkdir -p /fs/sdb1
mount -t btrfs /dev/sdb1 /fs/sdb1
mkdir -p /fs/sdb2
mount -t btrfs /dev/sdb2 /fs/sdb2
mkdir -p /fs/sdb3
mount -t btrfs /dev/sdb3 /fs/sdb3
mkdir -p /fs/sdb4
mount -t btrfs /dev/sdb4 /fs/sdb4
mkdir -p /fs/sdb5
mount -t btrfs /dev/sdb5 /fs/sdb5
mkdir -p /fs/sdb6
mount -t btrfs /dev/sdb6 /fs/sdb6
export TEST_DIR=/fs/sdb1
export TEST_DEV=/dev/sdb1
export FSTYP=btrfs
export SCRATCH_MNT=/fs/scratch
mkdir /fs/scratch -p
export SCRATCH_DEV_POOL="/dev/sdb2 /dev/sdb3 /dev/sdb4 /dev/sdb5 /dev/sdb6"
export LOGWRITES_DEV=/dev/sdb2
export SCRATCH_DEV=/dev/sdb6
unset SCRATCH_DEV_POOL
sed "s:^:btrfs/:" //lkp/benchmarks/xfstests/tests/btrfs-logwrites
./check btrfs/291 btrfs/206 btrfs/196 btrfs/192 btrfs/190 btrfs/172