== sanity test 60c: unlink file when mds full ============ 16:04:39 (1781208279)
create 5000 files
 - open/close 491 (time 1781208293.40 total 10.01 last 49.05)
 - open/close 918 (time 1781208303.40 total 20.01 last 42.68)
 - open/close 1298 (time 1781208313.41 total 30.03 last 37.95)
 - open/close 1695 (time 1781208323.42 total 40.03 last 39.67)
 - open/close 2114 (time 1781208333.44 total 50.05 last 41.82)
 - open/close 2510 (time 1781208343.45 total 60.07 last 39.54)
 - open/close 2895 (time 1781208353.49 total 70.11 last 38.36)
 - open/close 3232 (time 1781208363.51 total 80.12 last 33.65)
 - open/close 3624 (time 1781208373.51 total 90.12 last 39.19)
 - open/close 4093 (time 1781208383.52 total 100.13 last 46.86)
 - open/close 4566 (time 1781208393.54 total 110.15 last 47.19)
total: 5000 open/close in 119.63 seconds: 41.80 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781208408 ; total 0 ; last 0)
total: 5000 unlinks in 70 seconds: 71.428574 unlinks/second
fail_loc=0