== sanity test 60c: unlink file when mds full ============ 09:55:37 (1787579737)
create 5000 files
 - open/close 476 (time 1787579752.80 total 10.02 last 47.52)
 - open/close 970 (time 1787579762.81 total 20.03 last 49.36)
 - open/close 1447 (time 1787579772.85 total 30.06 last 47.51)
 - open/close 1872 (time 1787579782.87 total 40.08 last 42.45)
 - open/close 2336 (time 1787579792.87 total 50.08 last 46.37)
 - open/close 2773 (time 1787579802.88 total 60.09 last 43.65)
 - open/close 3276 (time 1787579812.88 total 70.10 last 50.29)
 - open/close 3759 (time 1787579822.88 total 80.10 last 48.30)
 - open/close 4271 (time 1787579832.89 total 90.10 last 51.19)
 - open/close 4764 (time 1787579842.89 total 100.10 last 49.28)
total: 5000 open/close in 105.07 seconds: 47.59 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787579851 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0