== sanity test 60c: unlink file when mds full ============ 20:35:21 (1786667721)
create 5000 files
 - open/close 415 (time 1786667736.79 total 10.01 last 41.44)
 - open/close 820 (time 1786667746.80 total 20.03 last 40.44)
 - open/close 1175 (time 1786667756.83 total 30.05 last 35.42)
 - open/close 1555 (time 1786667766.85 total 40.07 last 37.94)
 - open/close 1920 (time 1786667776.87 total 50.09 last 36.42)
 - open/close 2392 (time 1786667786.93 total 60.16 last 46.88)
 - open/close 2836 (time 1786667796.95 total 70.17 last 44.33)
 - open/close 3263 (time 1786667806.98 total 80.20 last 42.59)
 - open/close 3678 (time 1786667816.98 total 90.20 last 41.49)
 - open/close 4105 (time 1786667826.99 total 100.21 last 42.67)
 - open/close 4494 (time 1786667837.00 total 110.22 last 38.85)
 - open/close 4909 (time 1786667847.00 total 120.23 last 41.48)
total: 5000 open/close in 122.22 seconds: 40.91 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786667853 ; total 0 ; last 0)
total: 5000 unlinks in 85 seconds: 58.823528 unlinks/second
fail_loc=0