== sanity test 60c: unlink file when mds full ============ 22:07:55 (1789438075)
create 5000 files
 - open/close 478 (time 1789438090.59 total 10.04 last 47.63)
 - open/close 942 (time 1789438100.60 total 20.05 last 46.34)
 - open/close 1421 (time 1789438110.61 total 30.06 last 47.85)
 - open/close 1931 (time 1789438120.61 total 40.06 last 51.00)
 - open/close 2467 (time 1789438130.62 total 50.07 last 53.53)
 - open/close 2997 (time 1789438140.63 total 60.08 last 52.95)
 - open/close 3473 (time 1789438150.64 total 70.09 last 47.56)
 - open/close 3968 (time 1789438160.65 total 80.10 last 49.46)
 - open/close 4461 (time 1789438170.66 total 90.11 last 49.25)
 - open/close 4980 (time 1789438180.66 total 100.11 last 51.87)
total: 5000 open/close in 100.39 seconds: 49.81 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789438185 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0