== sanity test 60c: unlink file when mds full ============ 04:45:10 (1787820310)
create 5000 files
 - open/close 520 (time 1787820323.80 total 10.02 last 51.92)
 - open/close 1039 (time 1787820333.80 total 20.02 last 51.89)
 - open/close 1521 (time 1787820343.81 total 30.03 last 48.16)
 - open/close 2024 (time 1787820353.81 total 40.03 last 50.29)
 - open/close 2537 (time 1787820363.83 total 50.04 last 51.23)
 - open/close 3012 (time 1787820373.84 total 60.05 last 47.43)
 - open/close 3408 (time 1787820383.88 total 70.10 last 39.44)
 - open/close 3884 (time 1787820393.89 total 80.11 last 47.55)
 - open/close 4389 (time 1787820403.89 total 90.11 last 50.49)
 - open/close 4862 (time 1787820413.90 total 100.12 last 47.26)
total: 5000 open/close in 102.75 seconds: 48.66 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787820420 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0