== sanity test 60c: unlink file when mds full ============ 09:29:01 (1786800541)
create 5000 files
 - open/close 567 (time 1786800556.18 total 10.01 last 56.66)
 - open/close 1182 (time 1786800566.18 total 20.01 last 61.49)
 - open/close 1807 (time 1786800576.19 total 30.02 last 62.44)
 - open/close 2255 (time 1786800586.19 total 40.03 last 44.76)
 - open/close 2743 (time 1786800596.25 total 50.08 last 48.53)
 - open/close 3322 (time 1786800606.26 total 60.09 last 57.86)
 - open/close 3906 (time 1786800616.26 total 70.09 last 58.40)
 - open/close 4438 (time 1786800626.27 total 80.11 last 53.11)
 - open/close 4961 (time 1786800636.28 total 90.11 last 52.28)
total: 5000 open/close in 90.86 seconds: 55.03 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786800641 ; total 0 ; last 0)
total: 5000 unlinks in 68 seconds: 73.529411 unlinks/second
fail_loc=0