== sanity test 60c: unlink file when mds full ============ 10:43:24 (1785077004)
create 5000 files
 - open/close 495 (time 1785077017.48 total 10.01 last 49.46)
 - open/close 1017 (time 1785077027.49 total 20.02 last 52.13)
 - open/close 1566 (time 1785077037.51 total 30.03 last 54.83)
 - open/close 2077 (time 1785077047.51 total 40.04 last 51.07)
 - open/close 2568 (time 1785077057.53 total 50.06 last 48.99)
 - open/close 3109 (time 1785077067.54 total 60.07 last 54.06)
 - open/close 3589 (time 1785077077.54 total 70.07 last 47.99)
 - open/close 4059 (time 1785077087.55 total 80.08 last 46.98)
 - open/close 4535 (time 1785077097.56 total 90.09 last 47.55)
total: 5000 open/close in 98.69 seconds: 50.67 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1785077143 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0