== sanity test 60c: unlink file when mds full ============ 16:39:51 (1788813591)
create 5000 files
 - open/close 352 (time 1788813607.49 total 10.06 last 34.99)
 - open/close 688 (time 1788813617.49 total 20.06 last 33.58)
 - open/close 1040 (time 1788813627.49 total 30.06 last 35.20)
 - open/close 1403 (time 1788813637.51 total 40.08 last 36.26)
 - open/close 1760 (time 1788813647.52 total 50.09 last 35.65)
 - open/close 2110 (time 1788813657.52 total 60.09 last 35.00)
 - open/close 2386 (time 1788813667.54 total 70.11 last 27.55)
 - open/close 2775 (time 1788813677.55 total 80.12 last 38.87)
 - open/close 3208 (time 1788813687.56 total 90.13 last 43.25)
 - open/close 3656 (time 1788813697.57 total 100.14 last 44.76)
 - open/close 4016 (time 1788813707.59 total 110.15 last 35.93)
 - open/close 4441 (time 1788813717.59 total 120.16 last 42.46)
 - open/close 4794 (time 1788813727.62 total 130.19 last 35.21)
total: 5000 open/close in 136.23 seconds: 36.70 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788813739 ; total 0 ; last 0)
total: 5000 unlinks in 99 seconds: 50.505051 unlinks/second
fail_loc=0