== sanity test 60c: unlink file when mds full ============ 10:57:23 (1783349843)
create 5000 files
 - open/close 799 (time 1783349855.71 total 10.01 last 79.79)
 - open/close 1604 (time 1783349865.72 total 20.02 last 80.47)
 - open/close 2353 (time 1783349875.74 total 30.04 last 74.77)
 - open/close 3072 (time 1783349885.76 total 40.06 last 71.75)
 - open/close 3770 (time 1783349895.77 total 50.07 last 69.73)
 - open/close 4273 (time 1783349905.78 total 60.08 last 50.23)
 - open/close 4504 (time 1783349915.79 total 70.09 last 23.08)
 - open/close 4897 (time 1783349925.81 total 80.11 last 39.23)
total: 5000 open/close in 83.36 seconds: 59.98 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783349936 ; total 0 ; last 0)
total: 5000 unlinks in 79 seconds: 63.291138 unlinks/second
fail_loc=0