== sanity test 60c: unlink file when mds full ============ 03:45:20 (1780991120)
create 5000 files
 - open/close 480 (time 1780991135.22 total 10.01 last 47.93)
 - open/close 950 (time 1780991145.22 total 20.02 last 47.00)
 - open/close 1451 (time 1780991155.23 total 30.02 last 50.06)
 - open/close 1955 (time 1780991165.24 total 40.03 last 50.37)
 - open/close 2419 (time 1780991175.24 total 50.03 last 46.37)
 - open/close 2882 (time 1780991185.26 total 60.06 last 46.20)
 - open/close 3276 (time 1780991195.27 total 70.06 last 39.37)
 - open/close 3746 (time 1780991205.29 total 80.08 last 46.91)
 - open/close 4176 (time 1780991215.31 total 90.10 last 42.94)
 - open/close 4557 (time 1780991225.32 total 100.11 last 38.05)
 - open/close 4960 (time 1780991235.33 total 110.13 last 40.23)
total: 5000 open/close in 110.94 seconds: 45.07 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780991241 ; total 0 ; last 0)
total: 5000 unlinks in 87 seconds: 57.471264 unlinks/second
fail_loc=0