== sanity test 60c: unlink file when mds full ============ 08:44:02 (1747399442)
create 5000 files
 - open/close 1176 (time 1747399455.34 total 10.01 last 117.51)
 - open/close 2401 (time 1747399465.35 total 20.01 last 122.45)
 - open/close 3889 (time 1747399475.35 total 30.02 last 148.72)
total: 5000 open/close in 37.08 seconds: 134.84 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1747399484 ; total 0 ; last 0)
total: 5000 unlinks in 18 seconds: 277.777771 unlinks/second
fail_loc=0