== sanity test 60c: unlink file when mds full ============ 20:24:59 (1768008299)
create 5000 files
 - open/close 1039 (time 1768008311.35 total 10.02 last 103.71)
 - open/close 1874 (time 1768008321.35 total 20.02 last 83.50)
 - open/close 2683 (time 1768008331.36 total 30.03 last 80.84)
 - open/close 3572 (time 1768008341.36 total 40.03 last 88.84)
 - open/close 4522 (time 1768008351.37 total 50.04 last 94.90)
total: 5000 open/close in 54.64 seconds: 91.51 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1768008357 ; total 0 ; last 0)
total: 5000 unlinks in 33 seconds: 151.515152 unlinks/second
fail_loc=0