== sanity test 60c: unlink file when mds full ============ 14:22:02 (1776190922)
create 5000 files
 - open/close 650 (time 1776190936.45 total 10.01 last 64.93)
 - open/close 1306 (time 1776190946.46 total 20.02 last 65.54)
 - open/close 1930 (time 1776190956.46 total 30.03 last 62.34)
 - open/close 2555 (time 1776190966.47 total 40.03 last 62.48)
 - open/close 3242 (time 1776190976.48 total 50.04 last 68.65)
 - open/close 3930 (time 1776190986.48 total 60.05 last 68.73)
 - open/close 4596 (time 1776190996.50 total 70.07 last 66.48)
total: 5000 open/close in 78.28 seconds: 63.87 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1776191011 ; total 0 ; last 0)
total: 5000 unlinks in 47 seconds: 106.382980 unlinks/second
fail_loc=0