== sanity test 60c: unlink file when mds full ============ 21:04:57 (1787706297)
create 5000 files
 - open/close 540 (time 1787706311.00 total 10.00 last 54.00)
 - open/close 1052 (time 1787706321.01 total 20.02 last 51.13)
 - open/close 1554 (time 1787706331.06 total 30.06 last 49.98)
 - open/close 2090 (time 1787706341.06 total 40.06 last 53.57)
 - open/close 2595 (time 1787706351.06 total 50.06 last 50.50)
 - open/close 3111 (time 1787706361.09 total 60.09 last 51.45)
 - open/close 3614 (time 1787706371.12 total 70.13 last 50.13)
 - open/close 4099 (time 1787706381.14 total 80.14 last 48.45)
 - open/close 4567 (time 1787706391.14 total 90.14 last 46.80)
total: 5000 open/close in 98.77 seconds: 50.63 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787706404 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0