== sanity test 60c: unlink file when mds full ============ 17:24:18 (1786310658)
create 5000 files
 - open/close 508 (time 1786310672.30 total 10.02 last 50.69)
 - open/close 1001 (time 1786310682.30 total 20.02 last 49.28)
 - open/close 1517 (time 1786310692.31 total 30.03 last 51.58)
 - open/close 2048 (time 1786310702.31 total 40.03 last 53.08)
 - open/close 2548 (time 1786310712.32 total 50.04 last 49.96)
 - open/close 3064 (time 1786310722.32 total 60.04 last 51.57)
 - open/close 3589 (time 1786310732.33 total 70.05 last 52.48)
 - open/close 4060 (time 1786310742.33 total 80.05 last 47.09)
 - open/close 4566 (time 1786310752.34 total 90.06 last 50.56)
total: 5000 open/close in 98.46 seconds: 50.78 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786310765 ; total 0 ; last 0)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0