== sanity test 60c: unlink file when mds full ============ 21:28:20 (1788744500)
create 5000 files
 - open/close 464 (time 1788744514.37 total 10.01 last 46.37)
 - open/close 978 (time 1788744524.37 total 20.01 last 51.36)
 - open/close 1556 (time 1788744534.38 total 30.03 last 57.74)
 - open/close 2085 (time 1788744544.40 total 40.04 last 52.83)
 - open/close 2483 (time 1788744554.40 total 50.04 last 39.78)
 - open/close 2910 (time 1788744564.41 total 60.06 last 42.65)
 - open/close 3366 (time 1788744574.43 total 70.07 last 45.55)
 - open/close 3883 (time 1788744584.44 total 80.08 last 51.64)
 - open/close 4361 (time 1788744594.44 total 90.08 last 47.77)
 - open/close 4780 (time 1788744604.45 total 100.10 last 41.85)
total: 5000 open/close in 104.24 seconds: 47.97 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788744613 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0