== sanity test 60c: unlink file when mds full ============ 08:19:23 (1788869963)
create 5000 files
 - open/close 587 (time 1788869977.90 total 10.01 last 58.62)
 - open/close 1146 (time 1788869987.91 total 20.02 last 55.88)
 - open/close 1842 (time 1788869997.91 total 30.02 last 69.55)
 - open/close 2460 (time 1788870007.92 total 40.03 last 61.76)
 - open/close 3156 (time 1788870017.93 total 50.04 last 69.53)
 - open/close 3715 (time 1788870027.96 total 60.07 last 55.76)
 - open/close 4279 (time 1788870037.96 total 70.07 last 56.36)
 - open/close 4874 (time 1788870047.97 total 80.08 last 59.46)
total: 5000 open/close in 81.95 seconds: 61.02 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788870054 ; total 0 ; last 0)
total: 5000 unlinks in 64 seconds: 78.125000 unlinks/second
fail_loc=0