== sanity test 60c: unlink file when mds full ============ 12:03:16 (1788796996)
create 5000 files
 - open/close 503 (time 1788797011.18 total 10.01 last 50.24)
 - open/close 965 (time 1788797021.18 total 20.02 last 46.18)
 - open/close 1472 (time 1788797031.19 total 30.03 last 50.65)
 - open/close 1991 (time 1788797041.22 total 40.05 last 51.77)
 - open/close 2460 (time 1788797051.22 total 50.06 last 46.88)
 - open/close 2954 (time 1788797061.23 total 60.07 last 49.35)
 - open/close 3457 (time 1788797071.24 total 70.08 last 50.26)
 - open/close 3947 (time 1788797081.26 total 80.10 last 48.90)
 - open/close 4459 (time 1788797091.27 total 90.11 last 51.14)
 - open/close 4911 (time 1788797101.29 total 100.12 last 45.13)
total: 5000 open/close in 102.26 seconds: 48.90 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788797109 ; total 0 ; last 0)
total: 5000 unlinks in 77 seconds: 64.935066 unlinks/second
fail_loc=0