This uses the new fio results perf helpers to run a rand write
buffered workload on the scratch device.
[eguan: add Makefile]
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>