== sanity test 60c: unlink file when mds full ============ 00:17:32 (1789445852)
create 5000 files
 - open/close 603 (time 1789445866.46 total 10.00 last 60.29)
 - open/close 1182 (time 1789445876.49 total 20.03 last 57.73)
 - open/close 1721 (time 1789445886.49 total 30.03 last 53.90)
 - open/close 2272 (time 1789445896.50 total 40.04 last 55.05)
 - open/close 2746 (time 1789445906.50 total 50.04 last 47.38)
 - open/close 3230 (time 1789445916.52 total 60.06 last 48.32)
 - open/close 3657 (time 1789445926.53 total 70.08 last 42.64)
 - open/close 4125 (time 1789445936.54 total 80.09 last 46.75)
 - open/close 4730 (time 1789445946.54 total 90.09 last 60.50)
total: 5000 open/close in 95.59 seconds: 52.31 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789445956 ; total 0 ; last 0)
total: 5000 unlinks in 68 seconds: 73.529411 unlinks/second
fail_loc=0