== sanity test 60c: unlink file when mds full ============ 15:06:10 (1783969570)
create 5000 files
 - open/close 386 (time 1783969585.62 total 10.00 last 38.60)
 - open/close 794 (time 1783969595.63 total 20.01 last 40.75)
 - open/close 1152 (time 1783969605.69 total 30.07 last 35.59)
 - open/close 1571 (time 1783969615.69 total 40.08 last 41.88)
 - open/close 2040 (time 1783969625.70 total 50.08 last 46.88)
 - open/close 2452 (time 1783969635.72 total 60.11 last 41.10)
 - open/close 2894 (time 1783969645.75 total 70.13 last 44.08)
 - open/close 3319 (time 1783969655.76 total 80.15 last 42.44)
 - open/close 3704 (time 1783969665.79 total 90.17 last 38.39)
 - open/close 4171 (time 1783969675.79 total 100.17 last 46.70)
 - open/close 4563 (time 1783969685.80 total 110.19 last 39.15)
total: 5000 open/close in 119.92 seconds: 41.70 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783969700 ; total 0 ; last 0)
total: 5000 unlinks in 82 seconds: 60.975609 unlinks/second
fail_loc=0