== sanity test 60c: unlink file when mds full ============ 08:52:12 (1790772732)
create 5000 files
 - open/close 473 (time 1790772747.71 total 10.00 last 47.29)
 - open/close 970 (time 1790772757.73 total 20.02 last 49.63)
 - open/close 1459 (time 1790772767.73 total 30.02 last 48.89)
 - open/close 1962 (time 1790772777.73 total 40.02 last 50.30)
 - open/close 2414 (time 1790772787.74 total 50.03 last 45.16)
 - open/close 2924 (time 1790772797.74 total 60.03 last 50.99)
 - open/close 3380 (time 1790772807.76 total 70.05 last 45.53)
 - open/close 3871 (time 1790772817.77 total 80.06 last 49.03)
 - open/close 4314 (time 1790772827.78 total 90.07 last 44.27)
 - open/close 4765 (time 1790772837.79 total 100.07 last 45.07)
total: 5000 open/close in 106.09 seconds: 47.13 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790772848 ; total 0 ; last 0)
total: 5000 unlinks in 79 seconds: 63.291138 unlinks/second
fail_loc=0