== sanity test 60c: unlink file when mds full ============ 09:32:41 (1781616761)
create 5000 files
 - open/close 811 (time 1781616773.74 total 10.00 last 81.08)
 - open/close 1514 (time 1781616783.74 total 20.01 last 70.28)
 - open/close 2202 (time 1781616793.76 total 30.03 last 68.65)
 - open/close 2900 (time 1781616803.77 total 40.04 last 69.72)
 - open/close 3601 (time 1781616813.79 total 50.06 last 69.98)
 - open/close 4334 (time 1781616823.80 total 60.06 last 73.25)
total: 5000 open/close in 67.29 seconds: 74.31 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781616832 ; total 0 ; last 0)
total: 5000 unlinks in 33 seconds: 151.515152 unlinks/second
fail_loc=0