Results folders:
..//ext4-2.6.34-dj-v2//btrfs1.ffsb.random_writes__threads_0128.10-06-23_20.07.54
..//ext4-2.6.35-rc2-dj-v3//btrfs1.ffsb.random_writes__threads_0128.10-06-30_21.51.40
..//ext4-2.6.34-stock/btrfs1.ffsb.random_writes__threads_0128.10-06-25_16.59.46
..//ext4-2.6.34-stock-nobarrier/btrfs1.ffsb.random_writes__threads_0128.10-06-30_03.53.54