== sanity test 60c: unlink file when mds full ============ 22:39:10 (1787366350)
create 5000 files
 - open/close 603 (time 1787366364.67 total 10.03 last 60.09)
 - open/close 1170 (time 1787366374.67 total 20.04 last 56.69)
 - open/close 1838 (time 1787366384.69 total 30.06 last 66.65)
 - open/close 2447 (time 1787366394.70 total 40.07 last 60.85)
 - open/close 3058 (time 1787366404.71 total 50.07 last 61.06)
 - open/close 3684 (time 1787366414.72 total 60.09 last 62.50)
 - open/close 4218 (time 1787366424.73 total 70.10 last 53.35)
 - open/close 4767 (time 1787366434.74 total 80.10 last 54.87)
total: 5000 open/close in 84.61 seconds: 59.09 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787366443 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0