== sanity test 60c: unlink file when mds full ============ 22:02:31 (1790733751)
create 5000 files
 - open/close 558 (time 1790733765.46 total 10.01 last 55.76)
 - open/close 1164 (time 1790733775.46 total 20.01 last 60.58)
 - open/close 1741 (time 1790733785.47 total 30.02 last 57.65)
 - open/close 2311 (time 1790733795.48 total 40.03 last 56.95)
 - open/close 2900 (time 1790733805.48 total 50.03 last 58.88)
 - open/close 3392 (time 1790733815.49 total 60.04 last 49.14)
 - open/close 3932 (time 1790733825.49 total 70.05 last 53.98)
 - open/close 4523 (time 1790733835.50 total 80.05 last 59.05)
total: 5000 open/close in 89.43 seconds: 55.91 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790733849 ; total 0 ; last 0)
total: 5000 unlinks in 61 seconds: 81.967216 unlinks/second
fail_loc=0