== sanity test 60c: unlink file when mds full ============ 13:05:17 (1780851917)
create 5000 files
 - open/close 375 (time 1780851933.16 total 10.00 last 37.50)
 - open/close 775 (time 1780851943.16 total 20.00 last 40.00)
 - open/close 1231 (time 1780851953.16 total 30.00 last 45.59)
 - open/close 1708 (time 1780851963.18 total 40.03 last 47.60)
 - open/close 2242 (time 1780851973.19 total 50.04 last 53.33)
 - open/close 2816 (time 1780851983.21 total 60.05 last 57.33)
 - open/close 3394 (time 1780851993.21 total 70.06 last 57.75)
 - open/close 3957 (time 1780852003.22 total 80.06 last 56.26)
 - open/close 4512 (time 1780852013.23 total 90.07 last 55.46)
total: 5000 open/close in 97.83 seconds: 51.11 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780852025 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0