== sanity test 60c: unlink file when mds full ============ 07:14:06 (1788866046)
create 5000 files
 - open/close 783 (time 1788866059.95 total 10.00 last 78.27)
 - open/close 1443 (time 1788866069.95 total 20.01 last 65.97)
 - open/close 2100 (time 1788866079.96 total 30.01 last 65.66)
 - open/close 2711 (time 1788866089.96 total 40.02 last 61.08)
 - open/close 3354 (time 1788866099.98 total 50.04 last 64.18)
 - open/close 4034 (time 1788866109.99 total 60.04 last 67.95)
 - open/close 4790 (time 1788866119.99 total 70.05 last 75.55)
total: 5000 open/close in 73.32 seconds: 68.20 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788866127 ; total 0 ; last 0)
total: 5000 unlinks in 59 seconds: 84.745766 unlinks/second
fail_loc=0