== sanity test 60c: unlink file when mds full ============ 02:07:00 (1788588420)
create 5000 files
 - open/close 462 (time 1788588435.90 total 10.00 last 46.19)
 - open/close 1023 (time 1788588445.91 total 20.01 last 56.05)
 - open/close 1490 (time 1788588455.92 total 30.02 last 46.66)
 - open/close 1908 (time 1788588465.94 total 40.04 last 41.74)
 - open/close 2310 (time 1788588475.96 total 50.06 last 40.12)
 - open/close 2664 (time 1788588486.00 total 60.10 last 35.24)
 - open/close 3115 (time 1788588496.01 total 70.11 last 45.05)
 - open/close 3580 (time 1788588506.02 total 80.12 last 46.44)
 - open/close 4065 (time 1788588516.03 total 90.12 last 48.49)
 - open/close 4537 (time 1788588526.03 total 100.13 last 47.17)
 - open/close 4968 (time 1788588536.04 total 110.14 last 43.07)
total: 5000 open/close in 110.75 seconds: 45.15 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788588542 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0