== sanity test 60c: unlink file when mds full ============ 15:40:16 (1787859616)
create 5000 files
 - open/close 466 (time 1787859631.88 total 10.02 last 46.49)
 - open/close 852 (time 1787859641.91 total 20.06 last 38.47)
 - open/close 1207 (time 1787859651.92 total 30.06 last 35.49)
 - open/close 1582 (time 1787859661.98 total 40.12 last 37.28)
 - open/close 1941 (time 1787859671.99 total 50.14 last 35.84)
 - open/close 2371 (time 1787859682.00 total 60.14 last 42.99)
 - open/close 2798 (time 1787859692.01 total 70.16 last 42.63)
 - open/close 3177 (time 1787859702.05 total 80.20 last 37.75)
 - open/close 3593 (time 1787859712.06 total 90.21 last 41.56)
 - open/close 3982 (time 1787859722.06 total 100.21 last 38.90)
 - open/close 4333 (time 1787859732.07 total 110.21 last 35.07)
 - open/close 4738 (time 1787859742.08 total 120.23 last 40.45)
total: 5000 open/close in 127.46 seconds: 39.23 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787859755 ; total 0 ; last 0)
total: 5000 unlinks in 96 seconds: 52.083332 unlinks/second
fail_loc=0