== sanity test 60c: unlink file when mds full ============ 20:11:35 (1787098295)
create 5000 files
 - open/close 486 (time 1787098310.03 total 10.02 last 48.51)
 - open/close 1025 (time 1787098320.04 total 20.03 last 53.85)
 - open/close 1667 (time 1787098330.05 total 30.03 last 64.15)
 - open/close 2144 (time 1787098340.05 total 40.04 last 47.70)
 - open/close 2736 (time 1787098350.07 total 50.06 last 59.08)
 - open/close 3229 (time 1787098360.08 total 60.07 last 49.23)
 - open/close 3737 (time 1787098370.08 total 70.07 last 50.80)
 - open/close 4257 (time 1787098380.09 total 80.08 last 51.95)
 - open/close 4772 (time 1787098390.10 total 90.09 last 51.47)
total: 5000 open/close in 95.13 seconds: 52.56 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787098399 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0