== sanity test 60c: unlink file when mds full ============ 17:06:29 (1778360789)
create 5000 files
 - open/close 1635 (time 1778360801.04 total 10.00 last 163.46)
 - open/close 3169 (time 1778360811.05 total 20.01 last 153.34)
 - open/close 4832 (time 1778360821.05 total 30.01 last 166.24)
total: 5000 open/close in 31.18 seconds: 160.36 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1778360824 ; total 0 ; last 0)
total: 5000 unlinks in 21 seconds: 238.095245 unlinks/second
fail_loc=0