== sanity test 60c: unlink file when mds full ============ 07:56:55 (1786190215)
create 5000 files
 - open/close 366 (time 1786190230.80 total 10.01 last 36.55)
 - open/close 719 (time 1786190240.80 total 20.02 last 35.28)
 - open/close 1130 (time 1786190250.81 total 30.03 last 41.07)
 - open/close 1614 (time 1786190260.81 total 40.03 last 48.38)
 - open/close 2109 (time 1786190270.81 total 50.03 last 49.50)
 - open/close 2473 (time 1786190280.83 total 60.05 last 36.33)
 - open/close 2935 (time 1786190290.85 total 70.07 last 46.12)
 - open/close 3325 (time 1786190300.87 total 80.08 last 38.93)
 - open/close 3722 (time 1786190310.88 total 90.09 last 39.67)
 - open/close 4200 (time 1786190320.89 total 100.11 last 47.73)
 - open/close 4690 (time 1786190330.90 total 110.12 last 48.95)
total: 5000 open/close in 117.05 seconds: 42.72 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786190343 ; total 0 ; last 0)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0