== sanity test 60c: unlink file when mds full ============ 07:50:51 (1786189851)
create 5000 files
 - open/close 574 (time 1786189866.85 total 10.01 last 57.35)
 - open/close 1140 (time 1786189876.85 total 20.01 last 56.58)
 - open/close 1629 (time 1786189886.86 total 30.02 last 48.86)
 - open/close 2042 (time 1786189896.88 total 40.04 last 41.23)
 - open/close 2523 (time 1786189906.88 total 50.04 last 48.09)
 - open/close 2921 (time 1786189916.88 total 60.05 last 39.77)
 - open/close 3410 (time 1786189926.89 total 70.05 last 48.87)
 - open/close 4032 (time 1786189936.90 total 80.06 last 62.14)
 - open/close 4576 (time 1786189946.91 total 90.07 last 54.37)
total: 5000 open/close in 98.47 seconds: 50.78 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786189960 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0