== sanity test 60c: unlink file when mds full ============ 11:25:09 (1788189909)
create 5000 files
 - open/close 542 (time 1788189924.62 total 10.00 last 54.19)
 - open/close 1092 (time 1788189934.62 total 20.01 last 54.97)
 - open/close 1648 (time 1788189944.63 total 30.02 last 55.54)
 - open/close 2201 (time 1788189954.64 total 40.03 last 55.24)
 - open/close 2736 (time 1788189964.65 total 50.03 last 53.48)
 - open/close 3265 (time 1788189974.65 total 60.03 last 52.89)
 - open/close 3784 (time 1788189984.65 total 70.04 last 51.88)
 - open/close 4284 (time 1788189994.66 total 80.04 last 49.96)
 - open/close 4795 (time 1788190004.67 total 90.05 last 51.06)
total: 5000 open/close in 93.92 seconds: 53.24 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788190012 ; total 0 ; last 0)
total: 5000 unlinks in 66 seconds: 75.757576 unlinks/second
fail_loc=0