== sanity test 60c: unlink file when mds full ============ 12:38:19 (1780331899)
create 5000 files
 - open/close 555 (time 1780331912.74 total 10.01 last 55.42)
 - open/close 1104 (time 1780331922.74 total 20.02 last 54.89)
 - open/close 1666 (time 1780331932.75 total 30.03 last 56.15)
 - open/close 2211 (time 1780331942.78 total 40.05 last 54.38)
 - open/close 2661 (time 1780331952.78 total 50.05 last 45.00)
 - open/close 3171 (time 1780331962.78 total 60.05 last 50.99)
 - open/close 3730 (time 1780331972.80 total 70.07 last 55.79)
 - open/close 4279 (time 1780331982.80 total 80.07 last 54.87)
 - open/close 4741 (time 1780331992.82 total 90.09 last 46.13)
total: 5000 open/close in 95.69 seconds: 52.25 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780332002 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0