== sanity test 60c: unlink file when mds full ============ 16:14:47 (1784232887)
create 5000 files
 - open/close 813 (time 1784232899.22 total 10.00 last 81.28)
 - open/close 1988 (time 1784232909.22 total 20.00 last 117.48)
 - open/close 2966 (time 1784232919.23 total 30.01 last 97.78)
 - open/close 3801 (time 1784232929.23 total 40.01 last 83.46)
 - open/close 4878 (time 1784232939.24 total 50.01 last 107.66)
total: 5000 open/close in 51.08 seconds: 97.89 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784232942 ; total 0 ; last 0)
total: 5000 unlinks in 38 seconds: 131.578949 unlinks/second
fail_loc=0