== sanity test 60c: unlink file when mds full ============ 03:22:24 (1788506544)
create 5000 files
 - open/close 432 (time 1788506558.65 total 10.03 last 43.06)
 - open/close 915 (time 1788506568.66 total 20.05 last 48.22)
 - open/close 1492 (time 1788506578.68 total 30.06 last 57.64)
 - open/close 1936 (time 1788506588.69 total 40.08 last 44.32)
 - open/close 2423 (time 1788506598.70 total 50.08 last 48.68)
 - open/close 2800 (time 1788506608.70 total 60.08 last 37.69)
 - open/close 3204 (time 1788506618.71 total 70.09 last 40.37)
 - open/close 3614 (time 1788506628.71 total 80.09 last 40.99)
 - open/close 4157 (time 1788506638.73 total 90.12 last 54.19)
 - open/close 4695 (time 1788506648.73 total 100.12 last 53.79)
total: 5000 open/close in 105.42 seconds: 47.43 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788506658 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0