== sanity test 60c: unlink file when mds full ============ 00:59:45 (1787115585)
create 5000 files
 - open/close 463 (time 1787115600.04 total 10.00 last 46.28)
 - open/close 885 (time 1787115610.05 total 20.01 last 42.18)
 - open/close 1374 (time 1787115620.05 total 30.01 last 48.90)
 - open/close 1839 (time 1787115630.07 total 40.04 last 46.38)
 - open/close 2251 (time 1787115640.09 total 50.05 last 41.15)
 - open/close 2658 (time 1787115650.16 total 60.12 last 40.42)
 - open/close 3112 (time 1787115660.16 total 70.13 last 45.37)
 - open/close 3501 (time 1787115670.17 total 80.13 last 38.87)
 - open/close 3991 (time 1787115680.18 total 90.14 last 48.96)
 - open/close 4393 (time 1787115690.21 total 100.18 last 40.06)
 - open/close 4787 (time 1787115700.23 total 110.20 last 39.32)
total: 5000 open/close in 115.52 seconds: 43.28 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787115710 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0