== sanity test 60c: unlink file when mds full ============ 05:34:02 (1789378442)
create 5000 files
 - open/close 305 (time 1789378456.93 total 10.03 last 30.41)
 - open/close 726 (time 1789378466.96 total 20.06 last 41.97)
 - open/close 1131 (time 1789378476.96 total 30.06 last 40.50)
 - open/close 1609 (time 1789378486.96 total 40.06 last 47.78)
 - open/close 1979 (time 1789378497.01 total 50.11 last 36.84)
 - open/close 2384 (time 1789378507.03 total 60.13 last 40.39)
 - open/close 2801 (time 1789378517.05 total 70.16 last 41.61)
 - open/close 3225 (time 1789378527.06 total 80.16 last 42.39)
 - open/close 3615 (time 1789378537.08 total 90.18 last 38.92)
 - open/close 3943 (time 1789378547.09 total 100.19 last 32.76)
 - open/close 4321 (time 1789378557.09 total 110.19 last 37.79)
 - open/close 4709 (time 1789378567.11 total 120.21 last 38.74)
total: 5000 open/close in 127.44 seconds: 39.24 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789378578 ; total 0 ; last 0)
total: 5000 unlinks in 116 seconds: 43.103447 unlinks/second
fail_loc=0