== sanity test 60c: unlink file when mds full ============ 11:40:59 (1772469659)
create 5000 files
 - open/close 483 (time 1772469675.29 total 10.01 last 48.24)
 - open/close 1071 (time 1772469685.31 total 20.04 last 58.67)
 - open/close 1598 (time 1772469695.31 total 30.04 last 52.68)
 - open/close 2194 (time 1772469705.32 total 40.05 last 59.52)
 - open/close 2675 (time 1772469715.34 total 50.07 last 48.03)
 - open/close 3166 (time 1772469725.35 total 60.08 last 49.03)
 - open/close 3736 (time 1772469735.36 total 70.08 last 56.99)
 - open/close 4271 (time 1772469745.37 total 80.10 last 53.43)
 - open/close 4707 (time 1772469755.40 total 90.13 last 43.47)
total: 5000 open/close in 97.30 seconds: 51.39 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1772469767 ; total 0 ; last 0)
total: 5000 unlinks in 75 seconds: 66.666664 unlinks/second
fail_loc=0