ceph/ceph — pull request #1006 by yuyuyu101 (2013-12-28 10:34:22+00:00)
Title: Fix rbd bench-write improper behavior

"rbd bench-write" eject all write operations with the same offset at the same
time. It will result in non-objective performance result from this command.

fix #7066

Co-Author: Rongze Zhu
Signed-off-by: Haomai Wang