== sanity test 60c: unlink file when mds full ============ 05:46:40 (1788601600)
create 5000 files
 - open/close 539 (time 1788601614.32 total 10.02 last 53.78)
 - open/close 1063 (time 1788601624.33 total 20.03 last 52.36)
 - open/close 1612 (time 1788601634.33 total 30.03 last 54.89)
 - open/close 2170 (time 1788601644.34 total 40.05 last 55.72)
 - open/close 2771 (time 1788601654.35 total 50.06 last 60.04)
 - open/close 3263 (time 1788601664.37 total 60.07 last 49.12)
 - open/close 3781 (time 1788601674.41 total 70.11 last 51.58)
 - open/close 4309 (time 1788601684.41 total 80.11 last 52.80)
 - open/close 4820 (time 1788601694.42 total 90.13 last 51.03)
total: 5000 open/close in 93.29 seconds: 53.60 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788601702 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0