== sanity test 60c: unlink file when mds full ============ 20:02:43 (1786838563)
create 5000 files
 - open/close 1502 (time 1786838574.66 total 10.00 last 150.17)
 - open/close 3081 (time 1786838584.67 total 20.01 last 157.79)
 - open/close 4387 (time 1786838594.68 total 30.02 last 130.48)
total: 5000 open/close in 33.69 seconds: 148.39 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786838599 ; total 0 ; last 0)
total: 5000 unlinks in 25 seconds: 200.000000 unlinks/second
fail_loc=0