== sanity test 60c: unlink file when mds full ============ 10:19:49 (1788358789)
create 5000 files
 - open/close 771 (time 1788358802.42 total 10.01 last 77.06)
 - open/close 1585 (time 1788358812.43 total 20.01 last 81.34)
 - open/close 2332 (time 1788358822.43 total 30.02 last 74.67)
 - open/close 3067 (time 1788358832.44 total 40.03 last 73.44)
 - open/close 3854 (time 1788358842.47 total 50.05 last 78.49)
 - open/close 4609 (time 1788358852.47 total 60.05 last 75.49)
total: 5000 open/close in 66.01 seconds: 75.74 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788358861 ; total 0 ; last 0)
total: 5000 unlinks in 41 seconds: 121.951218 unlinks/second
fail_loc=0