== sanity test 60c: unlink file when mds full ============ 11:56:26 (1777910186)
create 5000 files
 - open/close 699 (time 1777910198.48 total 10.00 last 69.87)
 - open/close 1392 (time 1777910208.48 total 20.01 last 69.27)
 - open/close 2022 (time 1777910218.49 total 30.02 last 62.94)
 - open/close 2727 (time 1777910228.50 total 40.03 last 70.42)
 - open/close 3350 (time 1777910238.51 total 50.04 last 62.24)
 - open/close 3966 (time 1777910248.53 total 60.05 last 61.53)
 - open/close 4587 (time 1777910258.53 total 70.06 last 62.05)
total: 5000 open/close in 76.17 seconds: 65.64 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1777910266 ; total 0 ; last 0)
total: 5000 unlinks in 56 seconds: 89.285713 unlinks/second
fail_loc=0