== sanity test 60c: unlink file when mds full ============ 02:07:07 (1778652427)
create 5000 files
 - open/close 425 (time 1778652441.87 total 10.00 last 42.48)
 - open/close 818 (time 1778652451.88 total 20.01 last 39.30)
 - open/close 1251 (time 1778652461.89 total 30.02 last 43.25)
 - open/close 1695 (time 1778652471.89 total 40.02 last 44.39)
 - open/close 2173 (time 1778652481.90 total 50.03 last 47.76)
 - open/close 2736 (time 1778652491.92 total 60.05 last 56.19)
 - open/close 3244 (time 1778652501.93 total 70.06 last 50.75)
 - open/close 3755 (time 1778652511.94 total 80.07 last 51.03)
 - open/close 4451 (time 1778652521.95 total 90.08 last 69.55)
total: 5000 open/close in 96.80 seconds: 51.65 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1778652530 ; total 0 ; last 0)
total: 5000 unlinks in 39 seconds: 128.205124 unlinks/second
fail_loc=0