== sanity test 60c: unlink file when mds full ============ 10:27:53 (1787495273)
create 5000 files
 - open/close 480 (time 1787495288.03 total 10.02 last 47.92)
 - open/close 1047 (time 1787495298.04 total 20.02 last 56.68)
 - open/close 1610 (time 1787495308.05 total 30.04 last 56.20)
 - open/close 2183 (time 1787495318.06 total 40.04 last 57.25)
 - open/close 2742 (time 1787495328.08 total 50.06 last 55.81)
 - open/close 3292 (time 1787495338.08 total 60.07 last 54.98)
 - open/close 3831 (time 1787495348.09 total 70.07 last 53.88)
 - open/close 4389 (time 1787495358.10 total 80.08 last 55.73)
 - open/close 4924 (time 1787495368.10 total 90.08 last 53.50)
total: 5000 open/close in 91.67 seconds: 54.55 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787495373 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0