== sanity test 60c: unlink file when mds full ============ 06:05:50 (1789121150)
create 5000 files
 - open/close 459 (time 1789121164.69 total 10.00 last 45.88)
 - open/close 929 (time 1789121174.70 total 20.01 last 46.97)
 - open/close 1392 (time 1789121184.71 total 30.02 last 46.24)
 - open/close 1880 (time 1789121194.72 total 40.04 last 48.72)
 - open/close 2397 (time 1789121204.73 total 50.04 last 51.68)
 - open/close 2851 (time 1789121214.73 total 60.05 last 45.37)
 - open/close 3308 (time 1789121224.75 total 70.06 last 45.63)
 - open/close 3704 (time 1789121234.76 total 80.08 last 39.55)
 - open/close 4148 (time 1789121244.78 total 90.09 last 44.33)
 - open/close 4566 (time 1789121254.79 total 100.11 last 41.74)
 - open/close 4939 (time 1789121264.80 total 110.12 last 37.26)
total: 5000 open/close in 112.01 seconds: 44.64 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789121272 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0