== sanity test 60c: unlink file when mds full ============ 17:44:44 (1784756684)
create 5000 files
 - open/close 419 (time 1784756699.05 total 10.01 last 41.87)
 - open/close 949 (time 1784756709.06 total 20.02 last 52.93)
 - open/close 1413 (time 1784756719.07 total 30.03 last 46.35)
 - open/close 2054 (time 1784756729.09 total 40.04 last 64.01)
 - open/close 2560 (time 1784756739.10 total 50.05 last 50.55)
 - open/close 3043 (time 1784756749.10 total 60.06 last 48.28)
 - open/close 3576 (time 1784756759.10 total 70.06 last 53.29)
 - open/close 4144 (time 1784756769.10 total 80.06 last 56.80)
 - open/close 4698 (time 1784756779.12 total 90.08 last 55.31)
total: 5000 open/close in 96.60 seconds: 51.76 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784756792 ; total 0 ; last 0)
total: 5000 unlinks in 83 seconds: 60.240963 unlinks/second
fail_loc=0