== sanity test 60c: unlink file when mds full ============ 19:37:49 (1789429069)
create 5000 files
 - open/close 451 (time 1789429083.64 total 10.01 last 45.04)
 - open/close 910 (time 1789429093.66 total 20.04 last 45.80)
 - open/close 1354 (time 1789429103.66 total 30.04 last 44.40)
 - open/close 1757 (time 1789429113.67 total 40.05 last 40.25)
 - open/close 2184 (time 1789429123.67 total 50.05 last 42.70)
 - open/close 2585 (time 1789429133.69 total 60.06 last 40.04)
 - open/close 3060 (time 1789429143.69 total 70.06 last 47.50)
 - open/close 3566 (time 1789429153.70 total 80.08 last 50.54)
 - open/close 4036 (time 1789429163.70 total 90.08 last 47.00)
 - open/close 4528 (time 1789429173.71 total 100.09 last 49.14)
 - open/close 4967 (time 1789429183.73 total 110.10 last 43.83)
total: 5000 open/close in 111.05 seconds: 45.03 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789429189 ; total 0 ; last 0)
total: 5000 unlinks in 80 seconds: 62.500000 unlinks/second
fail_loc=0