== sanity test 60c: unlink file when mds full ============ 12:55:46 (1786035346)
create 5000 files
 - open/close 397 (time 1786035362.33 total 10.02 last 39.64)
 - open/close 865 (time 1786035372.33 total 20.02 last 46.78)
 - open/close 1351 (time 1786035382.35 total 30.04 last 48.50)
 - open/close 1828 (time 1786035392.37 total 40.06 last 47.62)
 - open/close 2303 (time 1786035402.38 total 50.07 last 47.44)
 - open/close 2805 (time 1786035412.38 total 60.07 last 50.19)
 - open/close 3360 (time 1786035422.39 total 70.08 last 55.46)
 - open/close 3922 (time 1786035432.39 total 80.08 last 56.19)
 - open/close 4416 (time 1786035442.39 total 90.08 last 49.40)
 - open/close 4954 (time 1786035452.40 total 100.09 last 53.75)
total: 5000 open/close in 101.18 seconds: 49.42 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786035458 ; total 0 ; last 0)
total: 5000 unlinks in 68 seconds: 73.529411 unlinks/second
fail_loc=0