== sanity test 60c: unlink file when mds full ============ 20:50:00 (1786755000)
create 5000 files
 - open/close 523 (time 1786755015.34 total 10.00 last 52.28)
 - open/close 1045 (time 1786755025.34 total 20.01 last 52.19)
 - open/close 1519 (time 1786755035.35 total 30.01 last 47.38)
 - open/close 2009 (time 1786755045.35 total 40.01 last 48.99)
 - open/close 2481 (time 1786755055.37 total 50.03 last 47.12)
 - open/close 3005 (time 1786755065.38 total 60.04 last 52.35)
 - open/close 3481 (time 1786755075.38 total 70.04 last 47.60)
 - open/close 4000 (time 1786755085.39 total 80.05 last 51.83)
 - open/close 4500 (time 1786755095.39 total 90.06 last 49.98)
 - open/close 4935 (time 1786755105.43 total 100.09 last 43.35)
total: 5000 open/close in 101.75 seconds: 49.14 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786755111 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0