== sanity test 60c: unlink file when mds full ============ 06:22:27 (1787826147)
create 5000 files
 - open/close 463 (time 1787826161.66 total 10.02 last 46.22)
 - open/close 931 (time 1787826171.67 total 20.03 last 46.75)
 - open/close 1382 (time 1787826181.68 total 30.04 last 45.04)
 - open/close 1800 (time 1787826191.69 total 40.05 last 41.76)
 - open/close 2190 (time 1787826201.70 total 50.05 last 38.98)
 - open/close 2572 (time 1787826211.72 total 60.07 last 38.13)
 - open/close 2963 (time 1787826221.74 total 70.09 last 39.02)
 - open/close 3401 (time 1787826231.75 total 80.11 last 43.72)
 - open/close 3875 (time 1787826241.77 total 90.13 last 47.30)
 - open/close 4327 (time 1787826251.78 total 100.14 last 45.15)
 - open/close 4763 (time 1787826261.79 total 110.15 last 43.55)
total: 5000 open/close in 116.06 seconds: 43.08 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787826271 ; total 0 ; last 0)
total: 5000 unlinks in 77 seconds: 64.935066 unlinks/second
fail_loc=0