== sanity test 60c: unlink file when mds full ============ 07:09:33 (1789297773)
create 5000 files
 - open/close 591 (time 1789297787.68 total 10.01 last 59.02)
 - open/close 1152 (time 1789297797.70 total 20.04 last 55.97)
 - open/close 1691 (time 1789297807.71 total 30.05 last 53.85)
 - open/close 2233 (time 1789297817.71 total 40.05 last 54.19)
 - open/close 2783 (time 1789297827.73 total 50.06 last 54.90)
 - open/close 3303 (time 1789297837.74 total 60.07 last 51.95)
 - open/close 3808 (time 1789297847.76 total 70.09 last 50.41)
 - open/close 4363 (time 1789297857.76 total 80.09 last 55.49)
 - open/close 4907 (time 1789297867.80 total 90.13 last 54.20)
total: 5000 open/close in 91.98 seconds: 54.36 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789297874 ; total 0 ; last 0)
total: 5000 unlinks in 64 seconds: 78.125000 unlinks/second
fail_loc=0