== sanity test 60c: unlink file when mds full ============ 21:45:11 (1767321911)
create 5000 files
 - open/close 512 (time 1767321926.07 total 10.01 last 51.15)
 - open/close 832 (time 1767321936.08 total 20.02 last 31.96)
 - open/close 1311 (time 1767321946.09 total 30.03 last 47.86)
 - open/close 1870 (time 1767321956.11 total 40.05 last 55.80)
 - open/close 2421 (time 1767321966.11 total 50.06 last 55.07)
 - open/close 2973 (time 1767321976.12 total 60.07 last 55.15)
 - open/close 3558 (time 1767321986.13 total 70.07 last 58.46)
 - open/close 3967 (time 1767321996.13 total 80.07 last 40.89)
 - open/close 4442 (time 1767322006.14 total 90.08 last 47.46)
 - open/close 4938 (time 1767322016.14 total 100.09 last 49.58)
total: 5000 open/close in 101.24 seconds: 49.39 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1767322022 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0