== sanity test 60c: unlink file when mds full ============ 21:18:57 (1780449537)
create 5000 files
 - open/close 481 (time 1780449552.72 total 10.01 last 48.07)
 - open/close 987 (time 1780449562.72 total 20.01 last 50.60)
 - open/close 1487 (time 1780449572.73 total 30.02 last 49.96)
 - open/close 1962 (time 1780449582.74 total 40.03 last 47.43)
 - open/close 2532 (time 1780449592.74 total 50.03 last 57.00)
 - open/close 3030 (time 1780449602.76 total 60.05 last 49.71)
 - open/close 3473 (time 1780449612.77 total 70.06 last 44.26)
 - open/close 3927 (time 1780449622.79 total 80.08 last 45.31)
 - open/close 4391 (time 1780449632.80 total 90.09 last 46.36)
 - open/close 4833 (time 1780449642.81 total 100.10 last 44.14)
total: 5000 open/close in 104.03 seconds: 48.06 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780449650 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0