== sanity test 60c: unlink file when mds full ============ 02:24:25 (1785219865)
create 5000 files
 - open/close 538 (time 1785219878.95 total 10.01 last 53.72)
 - open/close 1104 (time 1785219888.95 total 20.02 last 56.57)
 - open/close 1589 (time 1785219898.96 total 30.03 last 48.46)
 - open/close 2100 (time 1785219908.96 total 40.03 last 51.07)
 - open/close 2622 (time 1785219918.97 total 50.04 last 52.18)
 - open/close 3164 (time 1785219928.97 total 60.04 last 54.19)
 - open/close 3714 (time 1785219938.98 total 70.05 last 54.94)
 - open/close 4205 (time 1785219948.99 total 80.06 last 49.06)
 - open/close 4700 (time 1785219958.99 total 90.06 last 49.48)
total: 5000 open/close in 96.46 seconds: 51.83 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1785219969 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0