== sanity test 60c: unlink file when mds full ============ 03:28:01 (1787383681)
create 5000 files
 - open/close 516 (time 1787383697.29 total 10.02 last 51.52)
 - open/close 1020 (time 1787383707.32 total 20.05 last 50.25)
 - open/close 1545 (time 1787383717.33 total 30.06 last 52.44)
 - open/close 2060 (time 1787383727.35 total 40.07 last 51.44)
 - open/close 2555 (time 1787383737.35 total 50.07 last 49.49)
 - open/close 3052 (time 1787383747.35 total 60.07 last 49.69)
 - open/close 3506 (time 1787383757.36 total 70.08 last 45.36)
 - open/close 3984 (time 1787383767.37 total 80.10 last 47.72)
 - open/close 4481 (time 1787383777.38 total 90.11 last 49.65)
 - open/close 4932 (time 1787383787.40 total 100.12 last 45.02)
total: 5000 open/close in 101.39 seconds: 49.32 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787383792 ; total 0 ; last 0)
total: 5000 unlinks in 77 seconds: 64.935066 unlinks/second
fail_loc=0