== sanity test 60c: unlink file when mds full ============ 02:05:42 (1788588342)
create 5000 files
 - open/close 625 (time 1788588356.61 total 10.01 last 62.45)
 - open/close 1212 (time 1788588366.61 total 20.01 last 58.67)
 - open/close 1805 (time 1788588376.62 total 30.02 last 59.25)
 - open/close 2432 (time 1788588386.63 total 40.03 last 62.66)
 - open/close 3014 (time 1788588396.63 total 50.03 last 58.16)
 - open/close 3615 (time 1788588406.64 total 60.05 last 60.02)
 - open/close 4235 (time 1788588416.65 total 70.05 last 61.95)
 - open/close 4794 (time 1788588426.65 total 80.05 last 55.90)
total: 5000 open/close in 83.79 seconds: 59.67 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788588434 ; total 0 ; last 0)
total: 5000 unlinks in 63 seconds: 79.365082 unlinks/second
fail_loc=0