== sanity test 60c: unlink file when mds full ============ 20:13:07 (1790727187)
create 5000 files
 - open/close 481 (time 1790727202.91 total 10.01 last 48.05)
 - open/close 939 (time 1790727212.92 total 20.01 last 45.78)
 - open/close 1380 (time 1790727222.92 total 30.02 last 44.09)
 - open/close 1866 (time 1790727232.94 total 40.04 last 48.50)
 - open/close 2284 (time 1790727242.94 total 50.04 last 41.78)
 - open/close 2694 (time 1790727252.95 total 60.05 last 40.98)
 - open/close 3140 (time 1790727262.95 total 70.05 last 44.58)
 - open/close 3551 (time 1790727272.97 total 80.07 last 41.03)
 - open/close 3965 (time 1790727282.98 total 90.08 last 41.34)
 - open/close 4352 (time 1790727292.98 total 100.08 last 38.70)
 - open/close 4694 (time 1790727303.03 total 110.13 last 34.05)
total: 5000 open/close in 117.52 seconds: 42.54 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790727315 ; total 0 ; last 0)
total: 5000 unlinks in 84 seconds: 59.523811 unlinks/second
fail_loc=0