== sanity test 60c: unlink file when mds full ============ 03:21:44 (1788506504)
create 5000 files
 - open/close 499 (time 1788506519.55 total 10.05 last 49.66)
 - open/close 1056 (time 1788506529.57 total 20.06 last 55.60)
 - open/close 1568 (time 1788506539.58 total 30.08 last 51.14)
 - open/close 2075 (time 1788506549.61 total 40.10 last 50.57)
 - open/close 2503 (time 1788506559.63 total 50.12 last 42.72)
 - open/close 2933 (time 1788506569.63 total 60.13 last 42.97)
 - open/close 3400 (time 1788506579.65 total 70.14 last 46.64)
 - open/close 3919 (time 1788506589.66 total 80.15 last 51.84)
 - open/close 4415 (time 1788506599.67 total 90.16 last 49.55)
 - open/close 4893 (time 1788506609.68 total 100.17 last 47.75)
total: 5000 open/close in 102.42 seconds: 48.82 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788506616 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0