== sanity test 60c: unlink file when mds full ============ 16:39:40 (1781210380)
create 5000 files
 - open/close 584 (time 1781210395.60 total 10.00 last 58.40)
 - open/close 1145 (time 1781210405.60 total 20.00 last 56.09)
 - open/close 1817 (time 1781210415.61 total 30.01 last 67.15)
 - open/close 2433 (time 1781210425.61 total 40.01 last 61.58)
 - open/close 2904 (time 1781210435.62 total 50.02 last 47.07)
 - open/close 3395 (time 1781210445.66 total 60.06 last 48.89)
 - open/close 3878 (time 1781210455.67 total 70.07 last 48.27)
 - open/close 4383 (time 1781210465.68 total 80.08 last 50.45)
 - open/close 4767 (time 1781210475.68 total 90.08 last 38.37)
total: 5000 open/close in 95.36 seconds: 52.43 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781210487 ; total 0 ; last 0)
total: 5000 unlinks in 77 seconds: 64.935066 unlinks/second
fail_loc=0