== sanity test 60c: unlink file when mds full ============ 12:09:20 (1790784560)
create 5000 files
 - open/close 530 (time 1790784574.60 total 10.00 last 52.99)
 - open/close 1078 (time 1790784584.60 total 20.01 last 54.77)
 - open/close 1711 (time 1790784594.61 total 30.01 last 63.27)
 - open/close 2290 (time 1790784604.61 total 40.02 last 57.88)
 - open/close 2917 (time 1790784614.62 total 50.02 last 62.66)
 - open/close 3496 (time 1790784624.67 total 60.07 last 57.59)
 - open/close 4136 (time 1790784634.69 total 70.09 last 63.89)
 - open/close 4745 (time 1790784644.69 total 80.09 last 60.89)
total: 5000 open/close in 85.24 seconds: 58.65 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790784654 ; total 0 ; last 0)
total: 5000 unlinks in 68 seconds: 73.529411 unlinks/second
fail_loc=0