== sanity test 60c: unlink file when mds full ============ 01:11:39 (1783141899)
create 5000 files
 - open/close 571 (time 1783141913.19 total 10.00 last 57.09)
 - open/close 1184 (time 1783141923.19 total 20.00 last 61.30)
 - open/close 1738 (time 1783141933.20 total 30.01 last 55.35)
 - open/close 2255 (time 1783141943.21 total 40.02 last 51.63)
 - open/close 2813 (time 1783141953.22 total 50.03 last 55.79)
 - open/close 3275 (time 1783141963.23 total 60.04 last 46.15)
 - open/close 3755 (time 1783141973.24 total 70.05 last 47.93)
 - open/close 4293 (time 1783141983.26 total 80.07 last 53.68)
 - open/close 4857 (time 1783141993.26 total 90.08 last 56.40)
total: 5000 open/close in 92.64 seconds: 53.97 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783141999 ; total 0 ; last 0)
total: 5000 unlinks in 64 seconds: 78.125000 unlinks/second
fail_loc=0