== sanity test 60c: unlink file when mds full ============ 02:19:22 (1789366762)
create 5000 files
 - open/close 710 (time 1789366776.07 total 10.02 last 70.83)
 - open/close 1393 (time 1789366786.08 total 20.03 last 68.23)
 - open/close 1981 (time 1789366796.08 total 30.04 last 58.75)
 - open/close 2672 (time 1789366806.09 total 40.05 last 69.03)
 - open/close 3284 (time 1789366816.10 total 50.06 last 61.15)
 - open/close 3906 (time 1789366826.11 total 60.06 last 62.18)
 - open/close 4543 (time 1789366836.11 total 70.07 last 63.69)
total: 5000 open/close in 77.39 seconds: 64.61 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789366848 ; total 0 ; last 0)
total: 5000 unlinks in 59 seconds: 84.745766 unlinks/second
fail_loc=0