== sanity test 60c: unlink file when mds full ============ 07:58:31 (1788436711)
create 5000 files
 - open/close 434 (time 1788436727.16 total 10.01 last 43.35)
 - open/close 774 (time 1788436737.17 total 20.02 last 33.98)
 - open/close 1207 (time 1788436747.17 total 30.02 last 43.30)
 - open/close 1635 (time 1788436757.18 total 40.03 last 42.75)
 - open/close 2061 (time 1788436767.19 total 50.04 last 42.56)
 - open/close 2478 (time 1788436777.23 total 60.08 last 41.54)
 - open/close 2846 (time 1788436787.25 total 70.10 last 36.73)
 - open/close 3218 (time 1788436797.26 total 80.11 last 37.16)
 - open/close 3633 (time 1788436807.26 total 90.11 last 41.48)
 - open/close 4037 (time 1788436817.27 total 100.12 last 40.38)
 - open/close 4468 (time 1788436827.29 total 110.14 last 42.99)
 - open/close 4874 (time 1788436837.30 total 120.15 last 40.58)
total: 5000 open/close in 122.86 seconds: 40.70 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788436845 ; total 0 ; last 0)
total: 5000 unlinks in 94 seconds: 53.191490 unlinks/second
fail_loc=0