== sanity test 60c: unlink file when mds full ============ 04:31:33 (1788510693)
create 5000 files
 - open/close 603 (time 1788510707.38 total 10.01 last 60.26)
 - open/close 1219 (time 1788510717.38 total 20.01 last 61.57)
 - open/close 1783 (time 1788510727.39 total 30.02 last 56.37)
 - open/close 2388 (time 1788510737.39 total 40.02 last 60.49)
 - open/close 2917 (time 1788510747.40 total 50.03 last 52.84)
 - open/close 3319 (time 1788510757.43 total 60.05 last 40.11)
 - open/close 3838 (time 1788510767.43 total 70.05 last 51.90)
 - open/close 4372 (time 1788510777.43 total 80.06 last 53.38)
 - open/close 4935 (time 1788510787.43 total 90.06 last 56.28)
total: 5000 open/close in 91.38 seconds: 54.72 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788510793 ; total 0 ; last 0)
total: 5000 unlinks in 62 seconds: 80.645164 unlinks/second
fail_loc=0