== sanity test 60c: unlink file when mds full ============ 21:09:33 (1787792973)
create 5000 files
 - open/close 616 (time 1787792988.13 total 10.02 last 61.45)
 - open/close 1230 (time 1787792998.14 total 20.04 last 61.33)
 - open/close 1882 (time 1787793008.15 total 30.04 last 65.18)
 - open/close 2533 (time 1787793018.15 total 40.05 last 65.05)
 - open/close 3168 (time 1787793028.16 total 50.05 last 63.47)
 - open/close 3807 (time 1787793038.16 total 60.06 last 63.87)
 - open/close 4431 (time 1787793048.17 total 70.07 last 62.35)
total: 5000 open/close in 79.07 seconds: 63.24 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787793061 ; total 0 ; last 0)
total: 5000 unlinks in 52 seconds: 96.153847 unlinks/second
fail_loc=0