== sanity test 60c: unlink file when mds full ============ 16:04:18 (1773605058)
create 5000 files
 - open/close 561 (time 1773605072.68 total 10.02 last 55.99)
 - open/close 1077 (time 1773605082.68 total 20.03 last 51.57)
 - open/close 1612 (time 1773605092.69 total 30.03 last 53.46)
 - open/close 2233 (time 1773605102.71 total 40.05 last 61.99)
 - open/close 2802 (time 1773605112.71 total 50.05 last 56.89)
 - open/close 3315 (time 1773605122.72 total 60.06 last 51.27)
 - open/close 3881 (time 1773605132.72 total 70.06 last 56.60)
 - open/close 4352 (time 1773605142.76 total 80.10 last 46.91)
 - open/close 4830 (time 1773605152.77 total 90.12 last 47.72)
total: 5000 open/close in 93.32 seconds: 53.58 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1773605160 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0