== sanity test 60c: unlink file when mds full ============ 21:25:05 (1788917105)
create 5000 files
 - open/close 740 (time 1788917117.23 total 10.01 last 73.93)
 - open/close 1505 (time 1788917127.23 total 20.01 last 76.49)
 - open/close 2462 (time 1788917137.23 total 30.01 last 95.69)
 - open/close 3284 (time 1788917147.23 total 40.01 last 82.20)
 - open/close 4131 (time 1788917157.24 total 50.02 last 84.62)
 - open/close 4991 (time 1788917167.24 total 60.02 last 85.97)
total: 5000 open/close in 60.10 seconds: 83.20 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788917169 ; total 0 ; last 0)
total: 5000 unlinks in 40 seconds: 125.000000 unlinks/second
fail_loc=0