ceph/ceph — pull request #2415 by johnkeepmoving (2014-09-07 06:57:33+00:00)
Title: correct error of repeatedly adding io_size to off in do_bench_write

In do_bench_write(), when we successfully start an io("b.start_write"), we already add io_size to off, so there's no need to add io_size to off again before next loop starts.
Signed-off-by: jiangheng