== sanity test 60c: unlink file when mds full ============ 10:13:36 (1789136016)
create 5000 files
 - open/close 517 (time 1789136030.56 total 10.01 last 51.66)
 - open/close 1007 (time 1789136040.56 total 20.01 last 48.97)
 - open/close 1460 (time 1789136050.57 total 30.02 last 45.27)
 - open/close 1939 (time 1789136060.58 total 40.02 last 47.87)
 - open/close 2418 (time 1789136070.58 total 50.03 last 47.86)
 - open/close 2869 (time 1789136080.59 total 60.04 last 45.08)
 - open/close 3326 (time 1789136090.61 total 70.06 last 45.61)
 - open/close 3760 (time 1789136100.63 total 80.08 last 43.30)
 - open/close 4201 (time 1789136110.64 total 90.09 last 44.04)
 - open/close 4627 (time 1789136120.65 total 100.10 last 42.59)
total: 5000 open/close in 108.76 seconds: 45.97 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789136134 ; total 0 ; last 0)
total: 5000 unlinks in 77 seconds: 64.935066 unlinks/second
fail_loc=0