== sanity test 60c: unlink file when mds full ============ 22:37:21 (1784083041)
create 5000 files
 - open/close 2855 (time 1784083052.58 total 10.00 last 285.43)
 - open/close 4991 (time 1784083062.59 total 20.01 last 213.52)
total: 5000 open/close in 20.06 seconds: 249.25 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784083064 ; total 0 ; last 0)
total: 5000 unlinks in 16 seconds: 312.500000 unlinks/second
fail_loc=0