== sanity test 60c: unlink file when mds full ============ 12:11:19 (1787847079)
create 5000 files
 - open/close 656 (time 1787847094.29 total 10.00 last 65.59)
 - open/close 1290 (time 1787847104.30 total 20.01 last 63.35)
 - open/close 1946 (time 1787847114.30 total 30.02 last 65.56)
 - open/close 2527 (time 1787847124.32 total 40.03 last 58.03)
 - open/close 3067 (time 1787847134.33 total 50.05 last 53.91)
 - open/close 3519 (time 1787847144.35 total 60.06 last 45.14)
 - open/close 4056 (time 1787847154.36 total 70.07 last 53.64)
 - open/close 4550 (time 1787847164.37 total 80.08 last 49.36)
total: 5000 open/close in 88.88 seconds: 56.25 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787847178 ; total 0 ; last 0)
total: 5000 unlinks in 52 seconds: 96.153847 unlinks/second
fail_loc=0