== sanity test 60c: unlink file when mds full ============ 05:38:59 (1789378739)
create 5000 files
 - open/close 438 (time 1789378753.71 total 10.02 last 43.73)
 - open/close 945 (time 1789378763.75 total 20.05 last 50.53)
 - open/close 1350 (time 1789378773.75 total 30.05 last 40.49)
 - open/close 1763 (time 1789378783.76 total 40.06 last 41.25)
 - open/close 2208 (time 1789378793.76 total 50.06 last 44.49)
 - open/close 2659 (time 1789378803.77 total 60.07 last 45.06)
 - open/close 3109 (time 1789378813.78 total 70.08 last 44.96)
 - open/close 3578 (time 1789378823.80 total 80.10 last 46.81)
 - open/close 4016 (time 1789378833.81 total 90.11 last 43.75)
 - open/close 4459 (time 1789378843.84 total 100.14 last 44.16)
 - open/close 4892 (time 1789378853.85 total 110.15 last 43.25)
total: 5000 open/close in 112.46 seconds: 44.46 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789378860 ; total 0 ; last 0)
total: 5000 unlinks in 96 seconds: 52.083332 unlinks/second
fail_loc=0