== sanity test 60c: unlink file when mds full ============ 10:41:03 (1788619263)
create 5000 files
 - open/close 616 (time 1788619277.62 total 10.01 last 61.54)
 - open/close 1243 (time 1788619287.63 total 20.02 last 62.62)
 - open/close 1858 (time 1788619297.63 total 30.02 last 61.50)
 - open/close 2502 (time 1788619307.64 total 40.03 last 64.36)
 - open/close 3084 (time 1788619317.67 total 50.06 last 58.02)
 - open/close 3622 (time 1788619327.68 total 60.07 last 53.77)
 - open/close 4227 (time 1788619337.70 total 70.09 last 60.38)
 - open/close 4830 (time 1788619347.70 total 80.09 last 60.27)
total: 5000 open/close in 83.19 seconds: 60.11 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788619355 ; total 0 ; last 0)
total: 5000 unlinks in 58 seconds: 86.206894 unlinks/second
fail_loc=0