== sanity test 60c: unlink file when mds full ============ 03:58:32 (1788940712)
create 5000 files
 - open/close 506 (time 1788940726.50 total 10.02 last 50.49)
 - open/close 1059 (time 1788940736.51 total 20.03 last 55.22)
 - open/close 1561 (time 1788940746.52 total 30.05 last 50.14)
 - open/close 2097 (time 1788940756.53 total 40.05 last 53.57)
 - open/close 2699 (time 1788940766.54 total 50.07 last 60.10)
 - open/close 3179 (time 1788940776.55 total 60.08 last 47.96)
 - open/close 3698 (time 1788940786.57 total 70.10 last 51.80)
 - open/close 4170 (time 1788940796.58 total 80.11 last 47.16)
 - open/close 4618 (time 1788940806.59 total 90.11 last 44.76)
total: 5000 open/close in 97.99 seconds: 51.03 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788940820 ; total 0 ; last 0)
total: 5000 unlinks in 66 seconds: 75.757576 unlinks/second
fail_loc=0