== sanity test 60c: unlink file when mds full ============ 10:25:16 (1760451916)
create 5000 files
 - open/close 1696 (time 1760451927.83 total 10.00 last 169.59)
 - open/close 3112 (time 1760451937.83 total 20.01 last 141.53)
 - open/close 4624 (time 1760451947.83 total 30.01 last 151.15)
total: 5000 open/close in 32.76 seconds: 152.63 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1760451952 ; total 0 ; last 0)
total: 5000 unlinks in 19 seconds: 263.157898 unlinks/second
fail_loc=0