== sanity test 60c: unlink file when mds full ============ 18:30:12 (1786401012)
create 5000 files
 - open/close 459 (time 1786401028.15 total 10.01 last 45.84)
 - open/close 882 (time 1786401038.16 total 20.02 last 42.29)
 - open/close 1262 (time 1786401048.16 total 30.02 last 37.97)
 - open/close 1659 (time 1786401058.17 total 40.03 last 39.68)
 - open/close 2087 (time 1786401068.19 total 50.05 last 42.71)
 - open/close 2569 (time 1786401078.21 total 60.07 last 48.09)
 - open/close 3012 (time 1786401088.23 total 70.09 last 44.24)
 - open/close 3452 (time 1786401098.23 total 80.09 last 43.98)
 - open/close 3885 (time 1786401108.23 total 90.09 last 43.29)
 - open/close 4318 (time 1786401118.25 total 100.11 last 43.24)
 - open/close 4697 (time 1786401128.27 total 110.13 last 37.80)
total: 5000 open/close in 117.31 seconds: 42.62 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786401140 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0