== sanity test 60c: unlink file when mds full ============ 20:11:45 (1787098305)
create 5000 files
 - open/close 564 (time 1787098320.08 total 10.01 last 56.35)
 - open/close 1056 (time 1787098330.09 total 20.02 last 49.17)
 - open/close 1635 (time 1787098340.09 total 30.02 last 57.90)
 - open/close 2283 (time 1787098350.10 total 40.03 last 64.75)
 - open/close 2772 (time 1787098360.10 total 50.03 last 48.86)
 - open/close 3272 (time 1787098370.11 total 60.04 last 49.99)
 - open/close 3774 (time 1787098380.12 total 70.05 last 50.14)
 - open/close 4257 (time 1787098390.14 total 80.07 last 48.21)
 - open/close 4805 (time 1787098400.15 total 90.08 last 54.70)
total: 5000 open/close in 93.48 seconds: 53.49 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787098407 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0