== sanity test 60c: unlink file when mds full ============ 07:07:40 (1788865660)
create 5000 files
 - open/close 419 (time 1788865675.72 total 10.03 last 41.79)
 - open/close 862 (time 1788865685.74 total 20.06 last 44.18)
 - open/close 1271 (time 1788865695.77 total 30.08 last 40.80)
 - open/close 1697 (time 1788865705.77 total 40.08 last 42.60)
 - open/close 2177 (time 1788865715.78 total 50.09 last 47.95)
 - open/close 2646 (time 1788865725.81 total 60.12 last 46.76)
 - open/close 3092 (time 1788865735.81 total 70.12 last 44.59)
 - open/close 3575 (time 1788865745.82 total 80.13 last 48.25)
 - open/close 3991 (time 1788865755.82 total 90.13 last 41.60)
 - open/close 4472 (time 1788865765.83 total 100.15 last 48.05)
 - open/close 4915 (time 1788865775.84 total 110.15 last 44.27)
total: 5000 open/close in 112.20 seconds: 44.56 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788865782 ; total 0 ; last 0)
total: 5000 unlinks in 77 seconds: 64.935066 unlinks/second
fail_loc=0