== sanity test 60c: unlink file when mds full ============ 01:40:56 (1788846056)
create 5000 files
 - open/close 429 (time 1788846071.05 total 10.01 last 42.86)
 - open/close 895 (time 1788846081.06 total 20.02 last 46.54)
 - open/close 1375 (time 1788846091.09 total 30.05 last 47.84)
 - open/close 1805 (time 1788846101.10 total 40.07 last 42.95)
 - open/close 2280 (time 1788846111.11 total 50.07 last 47.46)
 - open/close 2710 (time 1788846121.11 total 60.08 last 42.98)
 - open/close 3171 (time 1788846131.13 total 70.09 last 46.05)
 - open/close 3636 (time 1788846141.13 total 80.09 last 46.47)
 - open/close 4089 (time 1788846151.16 total 90.12 last 45.16)
 - open/close 4547 (time 1788846161.16 total 100.13 last 45.79)
 - open/close 4958 (time 1788846171.18 total 110.15 last 41.02)
total: 5000 open/close in 111.31 seconds: 44.92 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788846177 ; total 0 ; last 0)
total: 5000 unlinks in 86 seconds: 58.139534 unlinks/second
fail_loc=0