== sanity test 60c: unlink file when mds full ============ 09:34:20 (1782480860)
create 5000 files
 - open/close 628 (time 1782480874.21 total 10.01 last 62.74)
 - open/close 1233 (time 1782480884.21 total 20.02 last 60.45)
 - open/close 1862 (time 1782480894.22 total 30.02 last 62.87)
 - open/close 2468 (time 1782480904.25 total 40.05 last 60.42)
 - open/close 3053 (time 1782480914.26 total 50.07 last 58.43)
 - open/close 3609 (time 1782480924.29 total 60.09 last 55.47)
 - open/close 4150 (time 1782480934.32 total 70.12 last 53.91)
 - open/close 4685 (time 1782480944.33 total 80.13 last 53.46)
total: 5000 open/close in 85.70 seconds: 58.35 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1782480954 ; total 0 ; last 0)
total: 5000 unlinks in 57 seconds: 87.719299 unlinks/second
fail_loc=0