== sanity test 60c: unlink file when mds full ============ 12:14:37 (1784045677)
create 5000 files
 - open/close 671 (time 1784045690.99 total 10.01 last 67.02)
 - open/close 1406 (time 1784045701.00 total 20.02 last 73.45)
 - open/close 2060 (time 1784045711.00 total 30.02 last 65.40)
 - open/close 2727 (time 1784045721.03 total 40.05 last 66.49)
 - open/close 3345 (time 1784045731.04 total 50.06 last 61.71)
 - open/close 4040 (time 1784045741.07 total 60.09 last 69.34)
 - open/close 4639 (time 1784045751.08 total 70.10 last 59.83)
total: 5000 open/close in 77.97 seconds: 64.13 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784045764 ; total 0 ; last 0)
total: 5000 unlinks in 61 seconds: 81.967216 unlinks/second
fail_loc=0