== sanity test 60c: unlink file when mds full ============ 21:51:47 (1781229107)
create 5000 files
 - open/close 1246 (time 1781229118.58 total 10.02 last 124.39)
 - open/close 2276 (time 1781229128.59 total 20.02 last 102.92)
 - open/close 3460 (time 1781229138.60 total 30.03 last 118.33)
 - open/close 4504 (time 1781229148.60 total 40.04 last 104.34)
total: 5000 open/close in 44.72 seconds: 111.81 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781229155 ; total 0 ; last 0)
total: 5000 unlinks in 29 seconds: 172.413788 unlinks/second
fail_loc=0