== sanity test 60c: unlink file when mds full ============ 16:52:31 (1787863951)
create 5000 files
 - open/close 490 (time 1787863965.34 total 10.02 last 48.89)
 - open/close 924 (time 1787863975.35 total 20.03 last 43.38)
 - open/close 1397 (time 1787863985.35 total 30.03 last 47.30)
 - open/close 1924 (time 1787863995.36 total 40.04 last 52.62)
 - open/close 2376 (time 1787864005.38 total 50.05 last 45.15)
 - open/close 2851 (time 1787864015.40 total 60.08 last 47.39)
 - open/close 3307 (time 1787864025.41 total 70.09 last 45.56)
 - open/close 3805 (time 1787864035.41 total 80.09 last 49.77)
 - open/close 4300 (time 1787864045.42 total 90.10 last 49.45)
 - open/close 4741 (time 1787864055.43 total 100.11 last 44.06)
total: 5000 open/close in 105.77 seconds: 47.27 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787864065 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0