== sanity test 60c: unlink file when mds full ============ 03:22:55 (1780989775)
create 5000 files
 - open/close 493 (time 1780989789.73 total 10.02 last 49.18)
 - open/close 928 (time 1780989799.74 total 20.04 last 43.43)
 - open/close 1373 (time 1780989809.75 total 30.05 last 44.47)
 - open/close 1852 (time 1780989819.75 total 40.05 last 47.87)
 - open/close 2337 (time 1780989829.78 total 50.07 last 48.40)
 - open/close 2816 (time 1780989839.78 total 60.08 last 47.88)
 - open/close 3292 (time 1780989849.80 total 70.10 last 47.49)
 - open/close 3708 (time 1780989859.82 total 80.12 last 41.51)
 - open/close 4140 (time 1780989869.83 total 90.13 last 43.18)
 - open/close 4556 (time 1780989879.85 total 100.14 last 41.53)
 - open/close 4974 (time 1780989889.87 total 110.16 last 41.72)
total: 5000 open/close in 110.73 seconds: 45.16 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780989894 ; total 0 ; last 0)
total: 5000 unlinks in 85 seconds: 58.823528 unlinks/second
fail_loc=0