== sanity test 60c: unlink file when mds full ============ 22:09:15 (1789265355)
create 5000 files
 - open/close 517 (time 1789265368.86 total 10.02 last 51.60)
 - open/close 1018 (time 1789265378.87 total 20.03 last 50.06)
 - open/close 1503 (time 1789265388.89 total 30.04 last 48.42)
 - open/close 1980 (time 1789265398.91 total 40.06 last 47.61)
 - open/close 2483 (time 1789265408.94 total 50.10 last 50.12)
 - open/close 2949 (time 1789265418.96 total 60.11 last 46.53)
 - open/close 3397 (time 1789265428.97 total 70.12 last 44.77)
 - open/close 3873 (time 1789265438.97 total 80.12 last 47.58)
 - open/close 4306 (time 1789265448.98 total 90.14 last 43.24)
 - open/close 4755 (time 1789265458.98 total 100.14 last 44.90)
total: 5000 open/close in 106.64 seconds: 46.89 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789265470 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0