== sanity test 60c: unlink file when mds full ============ 21:20:08 (1789176008)
create 5000 files
 - open/close 558 (time 1789176022.51 total 10.02 last 55.71)
 - open/close 1002 (time 1789176032.52 total 20.03 last 44.36)
 - open/close 1483 (time 1789176042.54 total 30.05 last 47.96)
 - open/close 2069 (time 1789176052.56 total 40.06 last 58.54)
 - open/close 2621 (time 1789176062.56 total 50.07 last 55.15)
 - open/close 3204 (time 1789176072.58 total 60.09 last 58.22)
 - open/close 3703 (time 1789176082.59 total 70.10 last 49.83)
 - open/close 4185 (time 1789176092.59 total 80.10 last 48.19)
 - open/close 4765 (time 1789176102.61 total 90.12 last 57.89)
total: 5000 open/close in 94.67 seconds: 52.82 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789176112 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0