== sanity test 60c: unlink file when mds full ============ 02:26:10 (1788330370)
create 5000 files
 - open/close 669 (time 1788330385.61 total 10.02 last 66.74)
 - open/close 1216 (time 1788330395.62 total 20.03 last 54.66)
 - open/close 1837 (time 1788330405.63 total 30.04 last 62.03)
 - open/close 2466 (time 1788330415.64 total 40.05 last 62.88)
 - open/close 3158 (time 1788330425.64 total 50.05 last 69.17)
 - open/close 3769 (time 1788330435.66 total 60.07 last 60.98)
 - open/close 4338 (time 1788330445.66 total 70.07 last 56.90)
 - open/close 4896 (time 1788330455.67 total 80.08 last 55.74)
total: 5000 open/close in 81.66 seconds: 61.23 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788330461 ; total 0 ; last 0)
total: 5000 unlinks in 56 seconds: 89.285713 unlinks/second
fail_loc=0