== sanity test 60c: unlink file when mds full ============ 04:10:55 (1788509455)
create 5000 files
 - open/close 624 (time 1788509469.88 total 10.01 last 62.36)
 - open/close 1222 (time 1788509479.89 total 20.01 last 59.77)
 - open/close 1943 (time 1788509489.91 total 30.03 last 71.97)
 - open/close 2660 (time 1788509499.92 total 40.04 last 71.60)
 - open/close 3341 (time 1788509509.93 total 50.05 last 68.03)
 - open/close 4001 (time 1788509519.93 total 60.06 last 65.98)
 - open/close 4736 (time 1788509529.94 total 70.07 last 73.43)
total: 5000 open/close in 73.99 seconds: 67.58 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788509537 ; total 0 ; last 0)
total: 5000 unlinks in 52 seconds: 96.153847 unlinks/second
fail_loc=0