== sanity test 60c: unlink file when mds full ============ 18:38:08 (1787697488)
create 5000 files
 - open/close 465 (time 1787697503.66 total 10.02 last 46.40)
 - open/close 891 (time 1787697513.67 total 20.03 last 42.56)
 - open/close 1333 (time 1787697523.67 total 30.04 last 44.18)
 - open/close 1753 (time 1787697533.69 total 40.05 last 41.93)
 - open/close 2253 (time 1787697543.71 total 50.07 last 49.91)
 - open/close 2704 (time 1787697553.73 total 60.09 last 45.00)
 - open/close 3193 (time 1787697563.74 total 70.10 last 48.84)
 - open/close 3624 (time 1787697573.75 total 80.11 last 43.07)
 - open/close 4101 (time 1787697583.76 total 90.13 last 47.63)
 - open/close 4558 (time 1787697593.78 total 100.15 last 45.61)
total: 5000 open/close in 109.63 seconds: 45.61 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787697607 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0