== sanity test 60c: unlink file when mds full ============ 01:50:33 (1787032233)
create 5000 files
 - open/close 290 (time 1787032248.56 total 10.02 last 28.95)
 - open/close 534 (time 1787032258.57 total 20.02 last 24.39)
 - open/close 825 (time 1787032268.58 total 30.03 last 29.07)
 - open/close 1253 (time 1787032278.59 total 40.04 last 42.76)
 - open/close 1668 (time 1787032288.62 total 50.07 last 41.38)
 - open/close 2043 (time 1787032298.62 total 60.07 last 37.49)
 - open/close 2494 (time 1787032308.63 total 70.09 last 45.04)
 - open/close 3014 (time 1787032318.63 total 80.09 last 52.00)
 - open/close 3452 (time 1787032328.64 total 90.09 last 43.79)
 - open/close 3943 (time 1787032338.66 total 100.12 last 48.97)
 - open/close 4388 (time 1787032348.67 total 110.12 last 44.48)
 - open/close 4855 (time 1787032358.68 total 120.13 last 46.64)
total: 5000 open/close in 123.22 seconds: 40.58 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787032367 ; total 1 ; last 1)
total: 5000 unlinks in 78 seconds: 64.102562 unlinks/second
fail_loc=0