== sanity test 60c: unlink file when mds full ============ 19:25:09 (1781220309)
create 5000 files
 - open/close 437 (time 1781220324.53 total 10.04 last 43.51)
 - open/close 857 (time 1781220334.55 total 20.06 last 41.93)
 - open/close 1345 (time 1781220344.55 total 30.07 last 48.77)
 - open/close 1831 (time 1781220354.59 total 40.10 last 48.45)
 - open/close 2283 (time 1781220364.59 total 50.10 last 45.18)
 - open/close 2757 (time 1781220374.59 total 60.11 last 47.39)
 - open/close 3207 (time 1781220384.61 total 70.12 last 44.94)
 - open/close 3666 (time 1781220394.63 total 80.14 last 45.81)
 - open/close 4164 (time 1781220404.63 total 90.14 last 49.77)
 - open/close 4669 (time 1781220414.64 total 100.15 last 50.47)
total: 5000 open/close in 107.23 seconds: 46.63 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781220426 ; total 0 ; last 0)
total: 5000 unlinks in 75 seconds: 66.666664 unlinks/second
fail_loc=0