== sanity test 60c: unlink file when mds full ============ 17:06:11 (1778360771)
create 5000 files
 - open/close 2063 (time 1778360783.15 total 10.00 last 206.27)
 - open/close 3600 (time 1778360793.16 total 20.01 last 153.61)
total: 5000 open/close in 29.06 seconds: 172.05 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1778360804 ; total 0 ; last 0)
total: 5000 unlinks in 20 seconds: 250.000000 unlinks/second
fail_loc=0