== sanity test 60c: unlink file when mds full ============ 02:05:44 (1787378744)
create 5000 files
 - open/close 514 (time 1787378758.33 total 10.00 last 51.38)
 - open/close 1014 (time 1787378768.34 total 20.01 last 49.96)
 - open/close 1511 (time 1787378778.35 total 30.02 last 49.67)
 - open/close 2055 (time 1787378788.35 total 40.02 last 54.39)
 - open/close 2574 (time 1787378798.36 total 50.03 last 51.85)
 - open/close 3043 (time 1787378808.39 total 60.07 last 46.74)
 - open/close 3527 (time 1787378818.40 total 70.07 last 48.37)
 - open/close 3986 (time 1787378828.40 total 80.08 last 45.89)
 - open/close 4421 (time 1787378838.41 total 90.08 last 43.46)
 - open/close 4891 (time 1787378848.42 total 100.09 last 46.99)
total: 5000 open/close in 102.27 seconds: 48.89 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787378854 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0