== sanity test 60c: unlink file when mds full ============ 15:15:25 (1787598925)
create 5000 files
 - open/close 360 (time 1787598940.12 total 10.02 last 35.93)
 - open/close 766 (time 1787598950.13 total 20.02 last 40.59)
 - open/close 1206 (time 1787598960.14 total 30.04 last 43.94)
 - open/close 1661 (time 1787598970.15 total 40.04 last 45.46)
 - open/close 2091 (time 1787598980.16 total 50.06 last 42.93)
 - open/close 2547 (time 1787598990.17 total 60.07 last 45.55)
 - open/close 2965 (time 1787599000.18 total 70.07 last 41.80)
 - open/close 3360 (time 1787599010.19 total 80.08 last 39.46)
 - open/close 3802 (time 1787599020.20 total 90.10 last 44.12)
 - open/close 4252 (time 1787599030.21 total 100.11 last 44.96)
 - open/close 4690 (time 1787599040.22 total 110.12 last 43.75)
total: 5000 open/close in 117.37 seconds: 42.60 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787599051 ; total 0 ; last 0)
total: 5000 unlinks in 85 seconds: 58.823528 unlinks/second
fail_loc=0