== sanity test 60c: unlink file when mds full ============ 11:49:53 (1784044193)
create 5000 files
 - open/close 552 (time 1784044208.06 total 10.01 last 55.16)
 - open/close 1135 (time 1784044218.07 total 20.02 last 58.23)
 - open/close 1666 (time 1784044228.08 total 30.03 last 53.04)
 - open/close 2253 (time 1784044238.09 total 40.04 last 58.67)
 - open/close 2821 (time 1784044248.09 total 50.04 last 56.79)
 - open/close 3390 (time 1784044258.09 total 60.04 last 56.89)
 - open/close 4018 (time 1784044268.09 total 70.04 last 62.77)
 - open/close 4608 (time 1784044278.10 total 80.05 last 58.97)
total: 5000 open/close in 85.97 seconds: 58.16 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784044287 ; total 0 ; last 0)
total: 5000 unlinks in 64 seconds: 78.125000 unlinks/second
fail_loc=0