== sanity test 60c: unlink file when mds full ============ 22:24:26 (1788834266)
create 5000 files
 - open/close 566 (time 1788834280.73 total 10.01 last 56.56)
 - open/close 1321 (time 1788834290.74 total 20.02 last 75.43)
 - open/close 1988 (time 1788834300.75 total 30.03 last 66.64)
 - open/close 2616 (time 1788834310.76 total 40.04 last 62.74)
 - open/close 3142 (time 1788834320.76 total 50.04 last 52.56)
 - open/close 3736 (time 1788834330.77 total 60.05 last 59.38)
 - open/close 4390 (time 1788834340.78 total 70.06 last 65.34)
total: 5000 open/close in 79.69 seconds: 62.74 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788834354 ; total 0 ; last 0)
total: 5000 unlinks in 55 seconds: 90.909088 unlinks/second
fail_loc=0