== sanity test 60c: unlink file when mds full ============ 17:56:24 (1787781384)
create 5000 files
 - open/close 489 (time 1787781399.26 total 10.00 last 48.90)
 - open/close 1037 (time 1787781409.26 total 20.00 last 54.80)
 - open/close 1586 (time 1787781419.26 total 30.00 last 54.89)
 - open/close 2170 (time 1787781429.27 total 40.01 last 58.35)
 - open/close 2730 (time 1787781439.29 total 50.03 last 55.91)
 - open/close 3258 (time 1787781449.30 total 60.04 last 52.72)
 - open/close 3791 (time 1787781459.31 total 70.05 last 53.26)
 - open/close 4324 (time 1787781469.32 total 80.06 last 53.26)
 - open/close 4850 (time 1787781479.35 total 90.09 last 52.45)
total: 5000 open/close in 93.33 seconds: 53.58 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787781488 ; total 0 ; last 0)
total: 5000 unlinks in 66 seconds: 75.757576 unlinks/second
fail_loc=0