== sanity test 60c: unlink file when mds full ============ 15:58:43 (1790971123)
create 5000 files
 - open/close 468 (time 1790971138.57 total 10.00 last 46.80)
 - open/close 973 (time 1790971148.58 total 20.01 last 50.47)
 - open/close 1485 (time 1790971158.59 total 30.01 last 51.16)
 - open/close 1956 (time 1790971168.60 total 40.03 last 47.02)
 - open/close 2423 (time 1790971178.63 total 50.06 last 46.57)
 - open/close 2915 (time 1790971188.64 total 60.06 last 49.18)
 - open/close 3393 (time 1790971198.65 total 70.08 last 47.74)
 - open/close 3835 (time 1790971208.67 total 80.09 last 44.13)
 - open/close 4287 (time 1790971218.67 total 90.10 last 45.19)
 - open/close 4825 (time 1790971228.68 total 100.11 last 53.73)
total: 5000 open/close in 103.81 seconds: 48.17 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790971236 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0