== sanity test 60c: unlink file when mds full ============ 21:18:17 (1775870297)
create 5000 files
 - open/close 591 (time 1775870311.83 total 10.00 last 59.10)
 - open/close 1025 (time 1775870321.85 total 20.03 last 43.29)
 - open/close 1559 (time 1775870331.86 total 30.03 last 53.35)
 - open/close 2003 (time 1775870341.86 total 40.03 last 44.40)
 - open/close 2372 (time 1775870351.89 total 50.06 last 36.80)
 - open/close 2791 (time 1775870361.90 total 60.07 last 41.87)
 - open/close 3229 (time 1775870371.92 total 70.09 last 43.72)
 - open/close 3765 (time 1775870381.92 total 80.09 last 53.59)
 - open/close 4288 (time 1775870391.93 total 90.10 last 52.23)
 - open/close 4775 (time 1775870401.93 total 100.10 last 48.69)
total: 5000 open/close in 105.07 seconds: 47.59 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775870412 ; total 0 ; last 0)
total: 5000 unlinks in 86 seconds: 58.139534 unlinks/second
fail_loc=0