== sanity test 60c: unlink file when mds full ============ 10:52:51 (1779202371)
create 5000 files
 - open/close 438 (time 1779202385.52 total 10.00 last 43.79)
 - open/close 994 (time 1779202395.52 total 20.00 last 55.59)
 - open/close 1565 (time 1779202405.54 total 30.02 last 56.98)
 - open/close 2076 (time 1779202415.56 total 40.04 last 51.02)
 - open/close 2610 (time 1779202425.57 total 50.05 last 53.36)
 - open/close 3150 (time 1779202435.58 total 60.06 last 53.94)
 - open/close 3696 (time 1779202445.59 total 70.07 last 54.51)
 - open/close 4173 (time 1779202455.61 total 80.09 last 47.64)
 - open/close 4666 (time 1779202465.62 total 90.10 last 49.23)
total: 5000 open/close in 95.70 seconds: 52.25 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1779202475 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0