== sanity test 60c: unlink file when mds full ============ 08:38:19 (1787834299)
create 5000 files
 - open/close 540 (time 1787834313.73 total 10.00 last 53.99)
 - open/close 1067 (time 1787834323.73 total 20.01 last 52.68)
 - open/close 1557 (time 1787834333.74 total 30.01 last 48.97)
 - open/close 2120 (time 1787834343.74 total 40.01 last 56.29)
 - open/close 2578 (time 1787834353.75 total 50.03 last 45.74)
 - open/close 3116 (time 1787834363.77 total 60.04 last 53.71)
 - open/close 3608 (time 1787834373.77 total 70.04 last 49.19)
 - open/close 4139 (time 1787834383.78 total 80.05 last 53.05)
 - open/close 4491 (time 1787834393.80 total 90.07 last 35.15)
 - open/close 4936 (time 1787834403.84 total 100.12 last 44.28)
total: 5000 open/close in 101.57 seconds: 49.23 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787834412 ; total 0 ; last 0)
total: 5000 unlinks in 75 seconds: 66.666664 unlinks/second
fail_loc=0