== sanity test 60c: unlink file when mds full ============ 18:00:32 (1784584832)
create 5000 files
 - open/close 457 (time 1784584847.52 total 10.01 last 45.64)
 - open/close 917 (time 1784584857.52 total 20.01 last 45.99)
 - open/close 1353 (time 1784584867.52 total 30.02 last 43.58)
 - open/close 1826 (time 1784584877.53 total 40.02 last 47.27)
 - open/close 2252 (time 1784584887.54 total 50.03 last 42.56)
 - open/close 2684 (time 1784584897.59 total 60.08 last 42.99)
 - open/close 3115 (time 1784584907.60 total 70.10 last 43.02)
 - open/close 3487 (time 1784584917.61 total 80.11 last 37.18)
 - open/close 3857 (time 1784584927.63 total 90.12 last 36.94)
 - open/close 4288 (time 1784584937.64 total 100.13 last 43.06)
 - open/close 4694 (time 1784584947.65 total 110.14 last 40.56)
total: 5000 open/close in 117.13 seconds: 42.69 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784584958 ; total 0 ; last 0)
total: 5000 unlinks in 77 seconds: 64.935066 unlinks/second
fail_loc=0