== sanity test 60c: unlink file when mds full ============ 12:46:00 (1788281160)
create 5000 files
 - open/close 602 (time 1788281174.96 total 10.03 last 60.04)
 - open/close 1215 (time 1788281184.98 total 20.05 last 61.16)
 - open/close 1850 (time 1788281194.98 total 30.05 last 63.50)
 - open/close 2401 (time 1788281204.99 total 40.05 last 55.07)
 - open/close 2950 (time 1788281215.00 total 50.07 last 54.82)
 - open/close 3496 (time 1788281225.01 total 60.08 last 54.56)
 - open/close 4026 (time 1788281235.02 total 70.08 last 52.97)
 - open/close 4562 (time 1788281245.03 total 80.09 last 53.54)
total: 5000 open/close in 88.02 seconds: 56.80 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788281257 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0