== sanity test 60c: unlink file when mds full ============ 14:08:11 (1758737291)
create 5000 files
 - open/close 498 (time 1758737304.48 total 10.00 last 49.80)
 - open/close 912 (time 1758737314.50 total 20.02 last 41.30)
 - open/close 1204 (time 1758737324.52 total 30.04 last 29.15)
 - open/close 1558 (time 1758737334.52 total 40.05 last 35.39)
 - open/close 2036 (time 1758737344.54 total 50.06 last 47.73)
 - open/close 2506 (time 1758737354.56 total 60.08 last 46.90)
 - open/close 3007 (time 1758737364.57 total 70.10 last 50.04)
 - open/close 3528 (time 1758737374.57 total 80.10 last 52.10)
 - open/close 4014 (time 1758737384.59 total 90.11 last 48.54)
 - open/close 4501 (time 1758737394.59 total 100.11 last 48.69)
 - open/close 4978 (time 1758737404.59 total 110.12 last 47.67)
total: 5000 open/close in 110.57 seconds: 45.22 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1758737407 ; total 0 ; last 0)
total: 5000 unlinks in 61 seconds: 81.967216 unlinks/second
fail_loc=0