QA output created by 226 --> mkfs 256m filesystem --> 16 buffered 64m writes in a loop 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 --> 16 direct 64m writes in a loop 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16