== sanity test 60c: unlink file when mds full ============ 14:57:51 (1778612271)
create 5000 files
 - open/close 618 (time 1778612285.10 total 10.01 last 61.74)
 - open/close 1092 (time 1778612295.11 total 20.02 last 47.34)
 - open/close 1639 (time 1778612305.11 total 30.03 last 54.69)
 - open/close 2173 (time 1778612315.11 total 40.03 last 53.40)
 - open/close 2682 (time 1778612325.11 total 50.03 last 50.90)
 - open/close 3192 (time 1778612335.12 total 60.03 last 50.97)
 - open/close 3689 (time 1778612345.12 total 70.04 last 49.67)
 - open/close 4212 (time 1778612355.13 total 80.04 last 52.30)
 - open/close 4658 (time 1778612365.14 total 90.05 last 44.54)
total: 5000 open/close in 97.36 seconds: 51.35 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1778612376 ; total 0 ; last 0)
total: 5000 unlinks in 66 seconds: 75.757576 unlinks/second
fail_loc=0