== sanity test 60c: unlink file when mds full ============ 04:32:20 (1780993940)
create 5000 files
 - open/close 506 (time 1780993954.66 total 10.00 last 50.59)
 - open/close 984 (time 1780993964.68 total 20.02 last 47.69)
 - open/close 1472 (time 1780993974.70 total 30.04 last 48.70)
 - open/close 1986 (time 1780993984.71 total 40.05 last 51.36)
 - open/close 2495 (time 1780993994.72 total 50.06 last 50.85)
 - open/close 3004 (time 1780994004.73 total 60.08 last 50.81)
 - open/close 3507 (time 1780994014.75 total 70.10 last 50.21)
 - open/close 4025 (time 1780994024.76 total 80.10 last 51.76)
 - open/close 4540 (time 1780994034.77 total 90.12 last 51.44)
total: 5000 open/close in 99.63 seconds: 50.19 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780994048 ; total 1 ; last 1)
total: 5000 unlinks in 70 seconds: 71.428574 unlinks/second
fail_loc=0