== sanity test 60c: unlink file when mds full ============ 08:15:26 (1788178526)
create 5000 files
 - open/close 535 (time 1788178541.05 total 10.01 last 53.44)
 - open/close 983 (time 1788178551.05 total 20.01 last 44.80)
 - open/close 1452 (time 1788178561.06 total 30.02 last 46.86)
 - open/close 1888 (time 1788178571.07 total 40.03 last 43.56)
 - open/close 2352 (time 1788178581.08 total 50.04 last 46.34)
 - open/close 2858 (time 1788178591.10 total 60.06 last 50.53)
 - open/close 3336 (time 1788178601.13 total 70.09 last 47.66)
 - open/close 3786 (time 1788178611.13 total 80.09 last 44.98)
 - open/close 4221 (time 1788178621.16 total 90.12 last 43.36)
 - open/close 4699 (time 1788178631.17 total 100.13 last 47.76)
total: 5000 open/close in 106.60 seconds: 46.90 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788178642 ; total 0 ; last 0)
total: 5000 unlinks in 78 seconds: 64.102562 unlinks/second
fail_loc=0