== sanity test 60c: unlink file when mds full ============ 21:27:27 (1788744447)
create 5000 files
 - open/close 459 (time 1788744462.04 total 10.02 last 45.80)
 - open/close 916 (time 1788744472.05 total 20.03 last 45.65)
 - open/close 1324 (time 1788744482.06 total 30.04 last 40.77)
 - open/close 1794 (time 1788744492.06 total 40.05 last 46.97)
 - open/close 2265 (time 1788744502.07 total 50.05 last 47.07)
 - open/close 2786 (time 1788744512.09 total 60.07 last 52.01)
 - open/close 3265 (time 1788744522.10 total 70.08 last 47.87)
 - open/close 3649 (time 1788744532.10 total 80.08 last 38.38)
 - open/close 4170 (time 1788744542.12 total 90.10 last 52.00)
 - open/close 4662 (time 1788744552.13 total 100.12 last 49.13)
total: 5000 open/close in 108.60 seconds: 46.04 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788744565 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0