== sanity test 60c: unlink file when mds full ============ 01:57:55 (1790920675)
create 5000 files
 - open/close 454 (time 1790920690.02 total 10.01 last 45.37)
 - open/close 882 (time 1790920700.04 total 20.03 last 42.71)
 - open/close 1301 (time 1790920710.05 total 30.04 last 41.86)
 - open/close 1731 (time 1790920720.06 total 40.05 last 42.94)
 - open/close 2180 (time 1790920730.08 total 50.07 last 44.79)
 - open/close 2653 (time 1790920740.12 total 60.11 last 47.15)
 - open/close 3093 (time 1790920750.13 total 70.12 last 43.92)
 - open/close 3528 (time 1790920760.14 total 80.13 last 43.48)
 - open/close 3999 (time 1790920770.14 total 90.13 last 47.08)
 - open/close 4405 (time 1790920780.15 total 100.14 last 40.55)
 - open/close 4831 (time 1790920790.18 total 110.17 last 42.50)
total: 5000 open/close in 113.95 seconds: 43.88 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790920797 ; total 0 ; last 0)
total: 5000 unlinks in 74 seconds: 67.567566 unlinks/second
fail_loc=0