== sanity test 60c: unlink file when mds full ============ 09:55:05 (1786370105)
create 5000 files
 - open/close 493 (time 1786370120.38 total 10.01 last 49.27)
 - open/close 1010 (time 1786370130.38 total 20.02 last 51.66)
 - open/close 1470 (time 1786370140.41 total 30.04 last 45.90)
 - open/close 1926 (time 1786370150.44 total 40.07 last 45.44)
 - open/close 2396 (time 1786370160.45 total 50.08 last 46.96)
 - open/close 2835 (time 1786370170.46 total 60.09 last 43.85)
 - open/close 3282 (time 1786370180.47 total 70.10 last 44.66)
 - open/close 3721 (time 1786370190.48 total 80.11 last 43.84)
 - open/close 4174 (time 1786370200.50 total 90.13 last 45.25)
 - open/close 4612 (time 1786370210.50 total 100.13 last 43.79)
total: 5000 open/close in 108.63 seconds: 46.03 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786370223 ; total 0 ; last 0)
total: 5000 unlinks in 80 seconds: 62.500000 unlinks/second
fail_loc=0