== sanity test 60c: unlink file when mds full ============ 23:49:54 (1788752994)
create 5000 files
 - open/close 603 (time 1788753008.67 total 10.00 last 60.27)
 - open/close 1224 (time 1788753018.67 total 20.00 last 62.10)
 - open/close 1823 (time 1788753028.69 total 30.03 last 59.78)
 - open/close 2506 (time 1788753038.70 total 40.03 last 68.28)
 - open/close 3119 (time 1788753048.70 total 50.03 last 61.29)
 - open/close 3775 (time 1788753058.70 total 60.04 last 65.56)
 - open/close 4419 (time 1788753068.70 total 70.04 last 64.40)
total: 5000 open/close in 79.62 seconds: 62.80 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788753083 ; total 1 ; last 1)
total: 5000 unlinks in 59 seconds: 84.745766 unlinks/second
fail_loc=0