== sanity test 60c: unlink file when mds full ============ 11:50:45 (1786809045)
create 5000 files
 - open/close 576 (time 1786809060.88 total 10.00 last 57.60)
 - open/close 1182 (time 1786809070.89 total 20.01 last 60.54)
 - open/close 1516 (time 1786809080.91 total 30.03 last 33.34)
 - open/close 2002 (time 1786809090.92 total 40.04 last 48.56)
 - open/close 2354 (time 1786809100.93 total 50.04 last 35.17)
 - open/close 2720 (time 1786809110.96 total 60.08 last 36.49)
 - open/close 3176 (time 1786809120.98 total 70.10 last 45.49)
 - open/close 3879 (time 1786809131.01 total 80.12 last 70.14)
 - open/close 4495 (time 1786809141.03 total 90.15 last 61.45)
total: 5000 open/close in 97.73 seconds: 51.16 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786809152 ; total 0 ; last 0)
total: 5000 unlinks in 52 seconds: 96.153847 unlinks/second
fail_loc=0