== sanity test 60c: unlink file when mds full ============ 21:54:23 (1789264463)
create 5000 files
 - open/close 851 (time 1789264475.91 total 10.01 last 85.03)
 - open/close 1732 (time 1789264485.91 total 20.01 last 88.05)
 - open/close 2483 (time 1789264495.92 total 30.02 last 75.05)
 - open/close 3264 (time 1789264505.93 total 40.03 last 78.03)
 - open/close 4038 (time 1789264515.93 total 50.03 last 77.36)
 - open/close 4861 (time 1789264525.94 total 60.04 last 82.26)
total: 5000 open/close in 61.54 seconds: 81.25 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789264529 ; total 0 ; last 0)
total: 5000 unlinks in 46 seconds: 108.695656 unlinks/second
fail_loc=0