== sanity test 60c: unlink file when mds full ============ 16:53:05 (1718398385)
create 5000 files
 - open/close 1629 (time 1718398397.07 total 10.01 last 162.73)
 - open/close 3054 (time 1718398407.08 total 20.02 last 142.36)
 - open/close 4438 (time 1718398417.08 total 30.03 last 138.31)
total: 5000 open/close in 33.84 seconds: 147.75 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1718398422 ; total 0 ; last 0)
total: 5000 unlinks in 21 seconds: 238.095245 unlinks/second
fail_loc=0