== sanity test 60c: unlink file when mds full ============ 20:58:19 (1787101099)
create 5000 files
 - open/close 796 (time 1787101112.75 total 10.01 last 79.48)
 - open/close 1577 (time 1787101122.75 total 20.02 last 78.08)
 - open/close 2298 (time 1787101132.76 total 30.03 last 72.04)
 - open/close 3028 (time 1787101142.77 total 40.04 last 72.92)
 - open/close 3702 (time 1787101152.77 total 50.04 last 67.39)
 - open/close 4380 (time 1787101162.78 total 60.05 last 67.75)
total: 5000 open/close in 68.81 seconds: 72.67 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787101174 ; total 0 ; last 0)
total: 5000 unlinks in 44 seconds: 113.636360 unlinks/second
fail_loc=0