== sanity test 60c: unlink file when mds full ============ 18:37:32 (1736984252)
create 5000 files
 - open/close 1382 (time 1736984263.67 total 10.00 last 138.13)
 - open/close 2829 (time 1736984273.68 total 20.01 last 144.69)
 - open/close 4354 (time 1736984283.68 total 30.01 last 152.49)
total: 5000 open/close in 34.64 seconds: 144.35 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1736984290 ; total 0 ; last 0)
total: 5000 unlinks in 21 seconds: 238.095245 unlinks/second
fail_loc=0