== sanity test 60c: unlink file when mds full ============ 02:05:46 (1787378746)
create 5000 files
 - open/close 489 (time 1787378760.66 total 10.00 last 48.89)
 - open/close 985 (time 1787378770.68 total 20.02 last 49.53)
 - open/close 1446 (time 1787378780.69 total 30.03 last 46.06)
 - open/close 1858 (time 1787378790.69 total 40.03 last 41.19)
 - open/close 2328 (time 1787378800.71 total 50.05 last 46.90)
 - open/close 2842 (time 1787378810.73 total 60.07 last 51.30)
 - open/close 3318 (time 1787378820.74 total 70.08 last 47.54)
 - open/close 3821 (time 1787378830.75 total 80.09 last 50.24)
 - open/close 4303 (time 1787378840.78 total 90.11 last 48.10)
 - open/close 4761 (time 1787378850.78 total 100.12 last 45.78)
total: 5000 open/close in 105.36 seconds: 47.46 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787378860 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0