== sanity test 60c: unlink file when mds full ============ 00:56:38 (1789016198)
create 5000 files
 - open/close 543 (time 1789016211.58 total 10.03 last 54.13)
 - open/close 1065 (time 1789016221.59 total 20.04 last 52.17)
 - open/close 1572 (time 1789016231.60 total 30.05 last 50.64)
 - open/close 2077 (time 1789016241.61 total 40.06 last 50.43)
 - open/close 2574 (time 1789016251.62 total 50.08 last 49.64)
 - open/close 3063 (time 1789016261.63 total 60.08 last 48.89)
 - open/close 3560 (time 1789016271.64 total 70.09 last 49.65)
 - open/close 4060 (time 1789016281.64 total 80.09 last 50.00)
 - open/close 4575 (time 1789016291.65 total 90.10 last 51.44)
total: 5000 open/close in 98.87 seconds: 50.57 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789016304 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0