== sanity test 60c: unlink file when mds full ============ 13:09:03 (1758733743)
create 5000 files
 - open/close 574 (time 1758733756.45 total 10.01 last 57.34)
 - open/close 1155 (time 1758733766.45 total 20.02 last 58.08)
 - open/close 1843 (time 1758733776.46 total 30.02 last 68.77)
 - open/close 2451 (time 1758733786.46 total 40.02 last 60.78)
 - open/close 3075 (time 1758733796.46 total 50.02 last 62.40)
 - open/close 3680 (time 1758733806.50 total 60.06 last 60.28)
 - open/close 4318 (time 1758733816.52 total 70.08 last 63.68)
 - open/close 4880 (time 1758733826.53 total 80.09 last 56.13)
total: 5000 open/close in 82.17 seconds: 60.85 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1758733831 ; total 0 ; last 0)
total: 5000 unlinks in 59 seconds: 84.745766 unlinks/second
fail_loc=0