== sanity test 60c: unlink file when mds full ============ 17:01:13 (1787864473)
create 5000 files
 - open/close 440 (time 1787864488.14 total 10.01 last 43.94)
 - open/close 935 (time 1787864498.16 total 20.03 last 49.40)
 - open/close 1397 (time 1787864508.17 total 30.04 last 46.16)
 - open/close 1882 (time 1787864518.17 total 40.05 last 48.47)
 - open/close 2342 (time 1787864528.18 total 50.06 last 45.96)
 - open/close 2783 (time 1787864538.21 total 60.08 last 43.99)
 - open/close 3202 (time 1787864548.23 total 70.10 last 41.83)
 - open/close 3645 (time 1787864558.24 total 80.11 last 44.26)
 - open/close 4128 (time 1787864568.24 total 90.11 last 48.29)
 - open/close 4614 (time 1787864578.24 total 100.11 last 48.58)
total: 5000 open/close in 108.80 seconds: 45.96 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787864591 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0