== sanity test 60c: unlink file when mds full ============ 08:43:29 (1788525809)
create 5000 files
 - open/close 543 (time 1788525823.85 total 10.01 last 54.25)
 - open/close 1067 (time 1788525833.85 total 20.01 last 52.39)
 - open/close 1628 (time 1788525843.86 total 30.02 last 56.07)
 - open/close 2171 (time 1788525853.87 total 40.03 last 54.24)
 - open/close 2690 (time 1788525863.89 total 50.05 last 51.79)
 - open/close 3199 (time 1788525873.90 total 60.06 last 50.85)
 - open/close 3660 (time 1788525883.92 total 70.08 last 45.99)
 - open/close 4001 (time 1788525893.94 total 80.10 last 34.04)
 - open/close 4412 (time 1788525903.95 total 90.11 last 41.07)
 - open/close 4855 (time 1788525913.95 total 100.11 last 44.29)
total: 5000 open/close in 102.93 seconds: 48.58 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788525921 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0