== sanity test 60c: unlink file when mds full ============ 16:03:50 (1781208230)
create 5000 files
 - open/close 386 (time 1781208245.58 total 10.03 last 38.49)
 - open/close 792 (time 1781208255.60 total 20.04 last 40.54)
 - open/close 1246 (time 1781208265.61 total 30.06 last 45.33)
 - open/close 1664 (time 1781208275.62 total 40.06 last 41.78)
 - open/close 2169 (time 1781208285.62 total 50.07 last 50.49)
 - open/close 2643 (time 1781208295.63 total 60.07 last 47.36)
 - open/close 3109 (time 1781208305.64 total 70.08 last 46.56)
 - open/close 3595 (time 1781208315.65 total 80.09 last 48.56)
 - open/close 4021 (time 1781208325.65 total 90.09 last 42.58)
 - open/close 4387 (time 1781208335.66 total 100.10 last 36.57)
 - open/close 4811 (time 1781208345.67 total 110.11 last 42.35)
total: 5000 open/close in 114.58 seconds: 43.64 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781208354 ; total 0 ; last 0)
total: 5000 unlinks in 101 seconds: 49.504951 unlinks/second
fail_loc=0