== sanity test 60c: unlink file when mds full ============ 16:44:50 (1781210690)
create 5000 files
 - open/close 457 (time 1781210704.97 total 10.01 last 45.66)
 - open/close 869 (time 1781210714.97 total 20.01 last 41.19)
 - open/close 1370 (time 1781210724.98 total 30.02 last 50.07)
 - open/close 1829 (time 1781210735.00 total 40.03 last 45.83)
 - open/close 2250 (time 1781210745.00 total 50.04 last 42.08)
 - open/close 2686 (time 1781210755.00 total 60.04 last 43.59)
 - open/close 3167 (time 1781210765.01 total 70.04 last 48.09)
 - open/close 3594 (time 1781210775.02 total 80.05 last 42.65)
 - open/close 3929 (time 1781210785.10 total 90.14 last 33.23)
 - open/close 4240 (time 1781210795.13 total 100.17 last 30.99)
 - open/close 4628 (time 1781210805.14 total 110.18 last 38.76)
total: 5000 open/close in 118.50 seconds: 42.20 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781210818 ; total 0 ; last 0)
total: 5000 unlinks in 84 seconds: 59.523811 unlinks/second
fail_loc=0