== sanity test 60c: unlink file when mds full ============ 14:04:40 (1784225080)
create 5000 files
 - open/close 607 (time 1784225092.84 total 10.00 last 60.68)
 - open/close 1202 (time 1784225102.85 total 20.02 last 59.41)
 - open/close 1867 (time 1784225112.86 total 30.03 last 66.45)
 - open/close 2426 (time 1784225122.86 total 40.03 last 55.89)
 - open/close 2959 (time 1784225132.87 total 50.04 last 53.24)
 - open/close 3524 (time 1784225142.88 total 60.04 last 56.48)
 - open/close 4037 (time 1784225152.89 total 70.05 last 51.26)
 - open/close 4556 (time 1784225162.89 total 80.05 last 51.88)
total: 5000 open/close in 88.78 seconds: 56.32 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784225174 ; total 0 ; last 0)
total: 5000 unlinks in 51 seconds: 98.039215 unlinks/second
fail_loc=0