== sanity test 60c: unlink file when mds full ============ 07:18:14 (1786015094)
create 5000 files
 - open/close 532 (time 1786015109.03 total 10.01 last 53.14)
 - open/close 1023 (time 1786015119.03 total 20.02 last 49.06)
 - open/close 1473 (time 1786015129.04 total 30.03 last 44.97)
 - open/close 1978 (time 1786015139.04 total 40.03 last 50.50)
 - open/close 2517 (time 1786015149.04 total 50.03 last 53.90)
 - open/close 3072 (time 1786015159.06 total 60.05 last 55.40)
 - open/close 3608 (time 1786015169.08 total 70.06 last 53.52)
 - open/close 4098 (time 1786015179.09 total 80.08 last 48.91)
 - open/close 4580 (time 1786015189.10 total 90.09 last 48.16)
total: 5000 open/close in 97.99 seconds: 51.02 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786015201 ; total 0 ; last 0)
total: 5000 unlinks in 66 seconds: 75.757576 unlinks/second
fail_loc=0