== sanity test 60c: unlink file when mds full ============ 00:52:52 (1788843172)
create 5000 files
 - open/close 600 (time 1788843186.61 total 10.00 last 59.98)
 - open/close 1092 (time 1788843196.62 total 20.01 last 49.15)
 - open/close 1581 (time 1788843206.63 total 30.02 last 48.87)
 - open/close 2031 (time 1788843216.64 total 40.04 last 44.93)
 - open/close 2457 (time 1788843226.66 total 50.06 last 42.52)
 - open/close 2898 (time 1788843236.67 total 60.06 last 44.08)
 - open/close 3432 (time 1788843246.67 total 70.06 last 53.39)
 - open/close 3960 (time 1788843256.68 total 80.07 last 52.76)
 - open/close 4508 (time 1788843266.69 total 90.08 last 54.74)
 - open/close 4992 (time 1788843276.69 total 100.08 last 48.39)
total: 5000 open/close in 100.20 seconds: 49.90 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788843281 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0