== sanity test 60c: unlink file when mds full ============ 08:17:23 (1788869843)
create 5000 files
 - open/close 584 (time 1788869857.96 total 10.01 last 58.37)
 - open/close 1132 (time 1788869867.98 total 20.02 last 54.72)
 - open/close 1735 (time 1788869877.99 total 30.04 last 60.21)
 - open/close 2313 (time 1788869888.00 total 40.04 last 57.77)
 - open/close 2978 (time 1788869898.01 total 50.05 last 66.44)
 - open/close 3536 (time 1788869908.02 total 60.06 last 55.76)
 - open/close 4067 (time 1788869918.02 total 70.06 last 53.09)
 - open/close 4642 (time 1788869928.03 total 80.07 last 57.45)
total: 5000 open/close in 86.14 seconds: 58.04 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788869938 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0