== sanity test 60c: unlink file when mds full ============ 20:24:54 (1789518294)
create 5000 files
 - open/close 470 (time 1789518309.58 total 10.02 last 46.91)
 - open/close 1015 (time 1789518319.60 total 20.04 last 54.39)
 - open/close 1539 (time 1789518329.62 total 30.05 last 52.33)
 - open/close 2037 (time 1789518339.64 total 40.08 last 49.67)
 - open/close 2512 (time 1789518349.66 total 50.09 last 47.45)
 - open/close 3035 (time 1789518359.67 total 60.10 last 52.24)
 - open/close 3550 (time 1789518369.67 total 70.10 last 51.50)
 - open/close 4009 (time 1789518379.67 total 80.10 last 45.89)
 - open/close 4424 (time 1789518389.67 total 90.11 last 41.48)
 - open/close 4883 (time 1789518399.67 total 100.11 last 45.90)
total: 5000 open/close in 102.64 seconds: 48.71 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789518407 ; total 1 ; last 1)
total: 5000 unlinks in 70 seconds: 71.428574 unlinks/second
fail_loc=0