== sanity test 60c: unlink file when mds full ============ 10:05:43 (1787580343)
create 5000 files
 - open/close 656 (time 1787580357.52 total 10.01 last 65.52)
 - open/close 1230 (time 1787580367.52 total 20.01 last 57.40)
 - open/close 1814 (time 1787580377.52 total 30.02 last 58.36)
 - open/close 2424 (time 1787580387.53 total 40.03 last 60.94)
 - open/close 2993 (time 1787580397.54 total 50.03 last 56.86)
 - open/close 3545 (time 1787580407.54 total 60.04 last 55.19)
 - open/close 4175 (time 1787580417.55 total 70.05 last 62.93)
 - open/close 4739 (time 1787580427.56 total 80.05 last 56.38)
total: 5000 open/close in 84.78 seconds: 58.97 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787580436 ; total 0 ; last 0)
total: 5000 unlinks in 56 seconds: 89.285713 unlinks/second
fail_loc=0