== sanity test 60c: unlink file when mds full ============ 15:08:57 (1783969737)
create 5000 files
 - open/close 657 (time 1783969752.01 total 10.02 last 65.57)
 - open/close 1197 (time 1783969762.01 total 20.02 last 53.99)
 - open/close 1821 (time 1783969772.01 total 30.02 last 62.38)
 - open/close 2380 (time 1783969782.06 total 40.08 last 55.61)
 - open/close 2965 (time 1783969792.07 total 50.08 last 58.47)
 - open/close 3562 (time 1783969802.10 total 60.12 last 59.50)
 - open/close 4163 (time 1783969812.10 total 70.12 last 60.10)
 - open/close 4671 (time 1783969822.11 total 80.12 last 50.78)
total: 5000 open/close in 86.94 seconds: 57.51 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783969833 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0