== sanity test 60c: unlink file when mds full ============ 08:35:20 (1787834120)
create 5000 files
 - open/close 662 (time 1787834133.73 total 10.01 last 66.10)
 - open/close 1304 (time 1787834143.74 total 20.03 last 64.12)
 - open/close 1946 (time 1787834153.74 total 30.03 last 64.18)
 - open/close 2589 (time 1787834163.76 total 40.05 last 64.16)
 - open/close 3196 (time 1787834173.76 total 50.05 last 60.70)
 - open/close 3825 (time 1787834183.77 total 60.06 last 62.88)
 - open/close 4455 (time 1787834193.77 total 70.06 last 62.97)
total: 5000 open/close in 78.92 seconds: 63.35 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787834206 ; total 0 ; last 0)
total: 5000 unlinks in 56 seconds: 89.285713 unlinks/second
fail_loc=0