== sanity test 60c: unlink file when mds full ============ 17:24:08 (1768256648)
create 5000 files
 - open/close 511 (time 1768256662.54 total 10.01 last 51.05)
 - open/close 985 (time 1768256672.56 total 20.03 last 47.30)
 - open/close 1440 (time 1768256682.56 total 30.03 last 45.50)
 - open/close 1907 (time 1768256692.57 total 40.05 last 46.64)
 - open/close 2307 (time 1768256702.58 total 50.06 last 39.95)
 - open/close 2692 (time 1768256712.59 total 60.06 last 38.49)
 - open/close 3053 (time 1768256722.60 total 70.08 last 36.04)
 - open/close 3435 (time 1768256732.62 total 80.10 last 38.12)
 - open/close 3930 (time 1768256742.63 total 90.10 last 49.49)
 - open/close 4457 (time 1768256752.63 total 100.10 last 52.68)
 - open/close 4853 (time 1768256762.65 total 110.12 last 39.52)
total: 5000 open/close in 113.63 seconds: 44.00 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1768256770 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0