== sanity test 60c: unlink file when mds full ============ 19:39:27 (1788737967)
create 5000 files
 - open/close 2191 (time 1788737978.66 total 10.00 last 219.02)
 - open/close 4140 (time 1788737988.66 total 20.01 last 194.86)
total: 5000 open/close in 24.62 seconds: 203.05 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788737994 ; total 0 ; last 0)
total: 5000 unlinks in 16 seconds: 312.500000 unlinks/second
fail_loc=0