== sanity test 60c: unlink file when mds full ============ 16:50:25 (1718398225)
create 5000 files
 - open/close 910 (time 1718398238.78 total 10.01 last 90.92)
 - open/close 2041 (time 1718398248.79 total 20.02 last 113.01)
 - open/close 3389 (time 1718398258.79 total 30.02 last 134.78)
 - open/close 4803 (time 1718398268.80 total 40.02 last 141.31)
total: 5000 open/close in 41.44 seconds: 120.66 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1718398271 ; total 0 ; last 0)
total: 5000 unlinks in 22 seconds: 227.272720 unlinks/second
fail_loc=0