== sanity test 60c: unlink file when mds full ============ 03:14:24 (1784186064)
create 5000 files
 - open/close 391 (time 1784186080.40 total 10.01 last 39.06)
 - open/close 887 (time 1784186090.41 total 20.02 last 49.57)
 - open/close 1434 (time 1784186100.41 total 30.02 last 54.69)
 - open/close 2020 (time 1784186110.42 total 40.03 last 58.54)
 - open/close 2546 (time 1784186120.42 total 50.03 last 52.58)
 - open/close 3052 (time 1784186130.43 total 60.04 last 50.58)
 - open/close 3571 (time 1784186140.43 total 70.04 last 51.89)
 - open/close 4113 (time 1784186150.44 total 80.05 last 54.13)
 - open/close 4670 (time 1784186160.45 total 90.06 last 55.66)
total: 5000 open/close in 96.48 seconds: 51.83 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784186172 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0