== sanity test 60c: unlink file when mds full ============ 06:37:13 (1787827033)
create 5000 files
 - open/close 517 (time 1787827047.79 total 10.01 last 51.64)
 - open/close 1026 (time 1787827057.81 total 20.03 last 50.79)
 - open/close 1534 (time 1787827067.81 total 30.04 last 50.78)
 - open/close 2046 (time 1787827077.82 total 40.05 last 51.14)
 - open/close 2524 (time 1787827087.83 total 50.05 last 47.79)
 - open/close 3033 (time 1787827097.86 total 60.09 last 50.72)
 - open/close 3489 (time 1787827107.89 total 70.11 last 45.50)
 - open/close 3975 (time 1787827117.90 total 80.13 last 48.52)
 - open/close 4466 (time 1787827127.92 total 90.14 last 49.02)
 - open/close 4916 (time 1787827137.95 total 100.17 last 44.86)
total: 5000 open/close in 102.17 seconds: 48.94 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787827145 ; total 0 ; last 0)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0