== sanity test 60c: unlink file when mds full ============ 13:52:05 (1787853125)
create 5000 files
 - open/close 559 (time 1787853138.60 total 10.03 last 55.71)
 - open/close 1061 (time 1787853148.60 total 20.04 last 50.19)
 - open/close 1613 (time 1787853158.61 total 30.04 last 55.18)
 - open/close 2078 (time 1787853168.63 total 40.06 last 46.40)
 - open/close 2564 (time 1787853178.64 total 50.07 last 48.56)
 - open/close 3043 (time 1787853188.65 total 60.09 last 47.81)
 - open/close 3496 (time 1787853198.67 total 70.11 last 45.21)
 - open/close 3905 (time 1787853208.68 total 80.12 last 40.86)
 - open/close 4373 (time 1787853218.70 total 90.13 last 46.74)
 - open/close 4764 (time 1787853228.72 total 100.15 last 39.02)
total: 5000 open/close in 106.79 seconds: 46.82 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787853241 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0