== sanity test 60c: unlink file when mds full ============ 19:16:31 (1787786191)
create 5000 files
 - open/close 557 (time 1787786204.95 total 10.01 last 55.67)
 - open/close 1101 (time 1787786214.98 total 20.03 last 54.26)
 - open/close 1666 (time 1787786225.01 total 30.06 last 56.36)
 - open/close 2242 (time 1787786235.01 total 40.06 last 57.57)
 - open/close 2815 (time 1787786245.03 total 50.08 last 57.18)
 - open/close 3354 (time 1787786255.03 total 60.08 last 53.88)
 - open/close 3880 (time 1787786265.04 total 70.09 last 52.59)
 - open/close 4420 (time 1787786275.04 total 80.09 last 53.99)
 - open/close 4971 (time 1787786285.05 total 90.10 last 55.02)
total: 5000 open/close in 90.63 seconds: 55.17 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787786289 ; total 0 ; last 0)
total: 5000 unlinks in 61 seconds: 81.967216 unlinks/second
fail_loc=0