== sanity test 60c: unlink file when mds full ============ 04:36:45 (1787906205)
create 5000 files
 - open/close 635 (time 1787906220.08 total 10.02 last 63.38)
 - open/close 1169 (time 1787906230.08 total 20.02 last 53.39)
 - open/close 1626 (time 1787906240.09 total 30.03 last 45.66)
 - open/close 2138 (time 1787906250.09 total 40.03 last 51.20)
 - open/close 2647 (time 1787906260.11 total 50.05 last 50.80)
 - open/close 3103 (time 1787906270.14 total 60.09 last 45.44)
 - open/close 3537 (time 1787906280.15 total 70.09 last 43.37)
 - open/close 3969 (time 1787906290.16 total 80.10 last 43.16)
 - open/close 4417 (time 1787906300.16 total 90.11 last 44.79)
 - open/close 4884 (time 1787906310.17 total 100.11 last 46.66)
total: 5000 open/close in 102.37 seconds: 48.84 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787906316 ; total 0 ; last 0)
total: 5000 unlinks in 63 seconds: 79.365082 unlinks/second
fail_loc=0