== sanity test 60c: unlink file when mds full ============ 17:03:57 (1781298237)
create 5000 files
 - open/close 740 (time 1781298252.39 total 10.01 last 73.92)
 - open/close 1436 (time 1781298262.40 total 20.02 last 69.51)
 - open/close 2132 (time 1781298272.40 total 30.03 last 69.59)
 - open/close 2787 (time 1781298282.41 total 40.03 last 65.49)
 - open/close 3532 (time 1781298292.42 total 50.04 last 74.40)
 - open/close 4380 (time 1781298302.44 total 60.06 last 84.62)
total: 5000 open/close in 69.74 seconds: 71.70 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1781298316 ; total 0 ; last 0)
total: 5000 unlinks in 38 seconds: 131.578949 unlinks/second
fail_loc=0