== sanity test 60c: unlink file when mds full ============ 09:43:30 (1782222210)
create 5000 files
 - open/close 508 (time 1782222224.96 total 10.04 last 50.59)
 - open/close 995 (time 1782222234.99 total 20.07 last 48.58)
 - open/close 1490 (time 1782222245.00 total 30.08 last 49.43)
 - open/close 2001 (time 1782222255.02 total 40.10 last 51.03)
 - open/close 2442 (time 1782222265.03 total 50.11 last 44.05)
 - open/close 2980 (time 1782222275.04 total 60.12 last 53.76)
 - open/close 3543 (time 1782222285.04 total 70.12 last 56.29)
 - open/close 3997 (time 1782222295.04 total 80.12 last 45.38)
 - open/close 4502 (time 1782222305.04 total 90.12 last 50.50)
 - open/close 4911 (time 1782222315.05 total 100.13 last 40.88)
total: 5000 open/close in 101.98 seconds: 49.03 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1782222321 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0