Results folders:
..//2010-08-20_1016/btrfs8-20-base/btrfs1.ffsb.sequential_reads__threads_0016.10-08-20_10.30.16
..//2010-08-20_1016/btrfs8-20-base-nocow/btrfs1.ffsb.sequential_reads__threads_0016.10-08-20_14.35.46
..//2010-08-21_1031/btrfs8-20-perfpatch/btrfs1.ffsb.sequential_reads__threads_0016.10-08-21_10.45.29
..//2010-08-21_1031/btrfs8-20-perfpatch-nocow/btrfs1.ffsb.sequential_reads__threads_0016.10-08-21_14.52.07