== sanity test 60c: unlink file when mds full ============ 21:33:46 (1767839626)
create 5000 files
 - open/close 1564 (time 1767839638.52 total 10.00 last 156.32)
 - open/close 3008 (time 1767839648.53 total 20.01 last 144.33)
 - open/close 4491 (time 1767839658.54 total 30.02 last 148.20)
total: 5000 open/close in 33.25 seconds: 150.37 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1767839663 ; total 0 ; last 0)
total: 5000 unlinks in 17 seconds: 294.117645 unlinks/second
fail_loc=0