== sanity test 60c: unlink file when mds full ============ 22:14:16 (1786760056)
create 5000 files
 - open/close 515 (time 1786760071.16 total 10.01 last 51.43)
 - open/close 1048 (time 1786760081.16 total 20.02 last 53.29)
 - open/close 1548 (time 1786760091.20 total 30.05 last 49.81)
 - open/close 2139 (time 1786760101.20 total 40.06 last 59.07)
 - open/close 2705 (time 1786760111.21 total 50.07 last 56.55)
 - open/close 3247 (time 1786760121.23 total 60.08 last 54.12)
 - open/close 3794 (time 1786760131.23 total 70.09 last 54.66)
 - open/close 4290 (time 1786760141.26 total 80.11 last 49.48)
 - open/close 4830 (time 1786760151.27 total 90.13 last 53.93)
total: 5000 open/close in 93.55 seconds: 53.45 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786760158 ; total 0 ; last 0)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0