== sanity test 60c: unlink file when mds full ============ 19:02:17 (1775862137)
create 5000 files
 - open/close 618 (time 1775862150.09 total 10.01 last 61.76)
 - open/close 1296 (time 1775862160.11 total 20.02 last 67.71)
 - open/close 1906 (time 1775862170.11 total 30.03 last 60.96)
 - open/close 2528 (time 1775862180.12 total 40.03 last 62.20)
 - open/close 3255 (time 1775862190.13 total 50.04 last 72.60)
 - open/close 4054 (time 1775862200.14 total 60.05 last 79.84)
 - open/close 4930 (time 1775862210.14 total 70.05 last 87.59)
total: 5000 open/close in 70.99 seconds: 70.43 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1775862213 ; total 0 ; last 0)
total: 5000 unlinks in 38 seconds: 131.578949 unlinks/second
fail_loc=0