== sanity test 60c: unlink file when mds full ============ 15:33:58 (1775763238)
create 5000 files
 - open/close 546 (time 1775763253.13 total 10.02 last 54.50)
 - open/close 1053 (time 1775763263.14 total 20.02 last 50.67)
 - open/close 1573 (time 1775763273.15 total 30.04 last 51.93)
 - open/close 1992 (time 1775763283.17 total 40.06 last 41.82)
 - open/close 2482 (time 1775763293.19 total 50.07 last 48.92)
 - open/close 2985 (time 1775763303.19 total 60.07 last 50.29)
 - open/close 3446 (time 1775763313.19 total 70.07 last 46.10)
 - open/close 3997 (time 1775763323.19 total 80.08 last 55.09)
 - open/close 4486 (time 1775763333.20 total 90.08 last 48.86)
 - open/close 4903 (time 1775763343.20 total 100.08 last 41.70)
total: 5000 open/close in 102.83 seconds: 48.62 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775763352 ; total 0 ; last 0)
total: 5000 unlinks in 80 seconds: 62.500000 unlinks/second
fail_loc=0