== sanity test 60c: unlink file when mds full ============ 21:44:43 (1775871883)
create 5000 files
 - open/close 500 (time 1775871897.80 total 10.02 last 49.89)
 - open/close 984 (time 1775871907.80 total 20.03 last 48.39)
 - open/close 1481 (time 1775871917.83 total 30.05 last 49.59)
 - open/close 1861 (time 1775871927.84 total 40.06 last 37.95)
 - open/close 2226 (time 1775871937.84 total 50.07 last 36.49)
 - open/close 2719 (time 1775871947.84 total 60.07 last 49.29)
 - open/close 3191 (time 1775871957.85 total 70.07 last 47.17)
 - open/close 3641 (time 1775871967.86 total 80.08 last 44.97)
 - open/close 4092 (time 1775871977.87 total 90.10 last 45.02)
 - open/close 4604 (time 1775871987.88 total 100.10 last 51.16)
total: 5000 open/close in 107.55 seconds: 46.49 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775871999 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0