== sanity test 60c: unlink file when mds full ============ 20:03:10 (1786838590)
create 5000 files
 - open/close 1187 (time 1786838601.78 total 10.01 last 118.64)
 - open/close 2467 (time 1786838611.79 total 20.02 last 127.87)
 - open/close 3472 (time 1786838621.80 total 30.02 last 100.48)
 - open/close 4487 (time 1786838631.80 total 40.02 last 101.45)
total: 5000 open/close in 44.39 seconds: 112.63 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786838638 ; total 0 ; last 0)
total: 5000 unlinks in 31 seconds: 161.290329 unlinks/second
fail_loc=0