== sanity test 60c: unlink file when mds full ============ 10:51:30 (1787842290)
create 5000 files
 - open/close 610 (time 1787842304.58 total 10.01 last 60.97)
 - open/close 1206 (time 1787842314.59 total 20.02 last 59.53)
 - open/close 1834 (time 1787842324.61 total 30.04 last 62.69)
 - open/close 2400 (time 1787842334.61 total 40.04 last 56.60)
 - open/close 3010 (time 1787842344.62 total 50.04 last 60.96)
 - open/close 3552 (time 1787842354.62 total 60.04 last 54.19)
 - open/close 4065 (time 1787842364.62 total 70.05 last 51.28)
 - open/close 4526 (time 1787842374.63 total 80.06 last 46.06)
 - open/close 4970 (time 1787842384.64 total 90.07 last 44.36)
total: 5000 open/close in 90.61 seconds: 55.18 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787842389 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0