== sanity test 60c: unlink file when mds full ============ 22:40:16 (1770435616)
create 5000 files
 - open/close 1595 (time 1770435628.26 total 10.01 last 159.42)
 - open/close 4552 (time 1770435638.26 total 20.01 last 295.65)
total: 5000 open/close in 21.41 seconds: 233.51 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1770435641 ; total 1 ; last 1)
total: 5000 unlinks in 15 seconds: 333.333344 unlinks/second
fail_loc=0