== sanity test 60c: unlink file when mds full ============ 15:46:16 (1786304776)
create 5000 files
 - open/close 488 (time 1786304791.17 total 10.03 last 48.67)
 - open/close 980 (time 1786304801.19 total 20.04 last 49.12)
 - open/close 1455 (time 1786304811.20 total 30.05 last 47.47)
 - open/close 1952 (time 1786304821.21 total 40.06 last 49.63)
 - open/close 2455 (time 1786304831.22 total 50.07 last 50.25)
 - open/close 3023 (time 1786304841.24 total 60.09 last 56.70)
 - open/close 3520 (time 1786304851.24 total 70.09 last 49.68)
 - open/close 4045 (time 1786304861.26 total 80.11 last 52.41)
 - open/close 4546 (time 1786304871.26 total 90.12 last 50.06)
total: 5000 open/close in 99.47 seconds: 50.27 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786304886 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0