== sanity test 60c: unlink file when mds full ============ 07:07:58 (1787569678)
create 5000 files
 - open/close 630 (time 1787569692.57 total 10.02 last 62.85)
 - open/close 1145 (time 1787569702.58 total 20.04 last 51.43)
 - open/close 1682 (time 1787569712.63 total 30.09 last 53.44)
 - open/close 2208 (time 1787569722.66 total 40.11 last 52.46)
 - open/close 2722 (time 1787569732.67 total 50.12 last 51.34)
 - open/close 3215 (time 1787569742.72 total 60.17 last 49.06)
 - open/close 3688 (time 1787569752.72 total 70.17 last 47.29)
 - open/close 4104 (time 1787569762.73 total 80.19 last 41.54)
 - open/close 4563 (time 1787569772.74 total 90.20 last 45.85)
 - open/close 4999 (time 1787569782.76 total 100.21 last 43.54)
total: 5000 open/close in 100.21 seconds: 49.89 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787569787 ; total 0 ; last 0)
total: 5000 unlinks in 59 seconds: 84.745766 unlinks/second
fail_loc=0