== sanity test 60c: unlink file when mds full ============ 18:12:29 (1787782349)
create 5000 files
 - open/close 488 (time 1787782364.67 total 10.00 last 48.80)
 - open/close 858 (time 1787782374.70 total 20.03 last 36.89)
 - open/close 1298 (time 1787782384.73 total 30.06 last 43.85)
 - open/close 1807 (time 1787782394.74 total 40.07 last 50.86)
 - open/close 2328 (time 1787782404.74 total 50.08 last 52.07)
 - open/close 2805 (time 1787782414.75 total 60.09 last 47.66)
 - open/close 3242 (time 1787782424.77 total 70.11 last 43.62)
 - open/close 3668 (time 1787782434.78 total 80.12 last 42.54)
 - open/close 4111 (time 1787782444.79 total 90.12 last 44.29)
 - open/close 4573 (time 1787782454.79 total 100.12 last 46.20)
total: 5000 open/close in 108.84 seconds: 45.94 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787782468 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0