== sanity test 60c: unlink file when mds full ============ 12:13:34 (1784045614)
create 5000 files
 - open/close 443 (time 1784045628.74 total 10.01 last 44.27)
 - open/close 860 (time 1784045638.75 total 20.02 last 41.66)
 - open/close 1339 (time 1784045648.75 total 30.02 last 47.89)
 - open/close 1780 (time 1784045658.78 total 40.04 last 43.99)
 - open/close 2207 (time 1784045668.78 total 50.05 last 42.68)
 - open/close 2621 (time 1784045678.79 total 60.05 last 41.38)
 - open/close 2988 (time 1784045688.80 total 70.06 last 36.67)
 - open/close 3350 (time 1784045698.81 total 80.07 last 36.15)
 - open/close 3745 (time 1784045708.81 total 90.08 last 39.49)
 - open/close 4132 (time 1784045718.82 total 100.08 last 38.67)
 - open/close 4542 (time 1784045728.83 total 110.09 last 40.96)
 - open/close 4960 (time 1784045738.85 total 120.11 last 41.72)
total: 5000 open/close in 120.99 seconds: 41.33 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784045744 ; total 0 ; last 0)
total: 5000 unlinks in 95 seconds: 52.631580 unlinks/second
fail_loc=0