== sanity test 60c: unlink file when mds full ============ 12:15:04 (1774887304)
create 5000 files
 - open/close 652 (time 1774887318.93 total 10.01 last 65.13)
 - open/close 1226 (time 1774887328.94 total 20.02 last 57.33)
 - open/close 1817 (time 1774887338.95 total 30.03 last 59.06)
 - open/close 2286 (time 1774887348.95 total 40.03 last 46.88)
 - open/close 2907 (time 1774887358.95 total 50.04 last 62.08)
 - open/close 3465 (time 1774887368.96 total 60.05 last 55.76)
 - open/close 4050 (time 1774887378.96 total 70.05 last 58.50)
 - open/close 4438 (time 1774887389.01 total 80.09 last 38.63)
total: 5000 open/close in 89.21 seconds: 56.05 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1774887402 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0