== sanity test 60c: unlink file when mds full ============ 14:07:50 (1758737270)
create 5000 files
 - open/close 494 (time 1758737283.18 total 10.02 last 49.32)
 - open/close 995 (time 1758737293.19 total 20.02 last 50.06)
 - open/close 1480 (time 1758737303.20 total 30.04 last 48.44)
 - open/close 1870 (time 1758737313.23 total 40.06 last 38.91)
 - open/close 2167 (time 1758737323.23 total 50.07 last 29.68)
 - open/close 2480 (time 1758737333.24 total 60.08 last 31.27)
 - open/close 2940 (time 1758737343.25 total 70.08 last 45.97)
 - open/close 3381 (time 1758737353.26 total 80.09 last 44.05)
 - open/close 3827 (time 1758737363.27 total 90.10 last 44.59)
 - open/close 4302 (time 1758737373.27 total 100.10 last 47.49)
 - open/close 4750 (time 1758737383.28 total 110.11 last 44.74)
total: 5000 open/close in 115.34 seconds: 43.35 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1758737392 ; total 0 ; last 0)
total: 5000 unlinks in 66 seconds: 75.757576 unlinks/second
fail_loc=0