== sanity test 60c: unlink file when mds full ============ 15:55:25 (1781207725)
create 5000 files
 - open/close 438 (time 1781207742.34 total 10.00 last 43.78)
 - open/close 800 (time 1781207752.34 total 20.00 last 36.20)
 - open/close 1279 (time 1781207762.35 total 30.01 last 47.86)
 - open/close 1728 (time 1781207772.36 total 40.03 last 44.83)
 - open/close 2168 (time 1781207782.39 total 50.06 last 43.86)
 - open/close 2648 (time 1781207792.40 total 60.07 last 47.96)
 - open/close 3024 (time 1781207802.42 total 70.09 last 37.53)
 - open/close 3497 (time 1781207812.44 total 80.10 last 47.22)
 - open/close 3985 (time 1781207822.44 total 90.11 last 48.77)
 - open/close 4384 (time 1781207832.46 total 100.13 last 39.83)
 - open/close 4715 (time 1781207842.51 total 110.18 last 32.95)
 - open/close 4977 (time 1781207852.55 total 120.22 last 26.08)
total: 5000 open/close in 120.94 seconds: 41.34 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781207859 ; total 0 ; last 0)
total: 5000 unlinks in 101 seconds: 49.504951 unlinks/second
fail_loc=0