453 auto quick dir
454 auto quick attr
455 auto log replay
-456 auto quick metadata
+456 auto quick metadata collapse zero prealloc
457 auto log replay clone
458 auto quick clone collapse zero
459 auto thin
514 auto quick clone
515 auto quick clone
516 auto quick dedupe clone
+517 auto quick dedupe clone
+518 auto quick clone
+519 auto quick
+520 auto quick log
+521 soak long_rw
+522 soak long_rw
+523 auto quick attr
+524 auto quick
+525 auto quick rw
+526 auto quick log
+527 auto quick log
+528 auto quick
+529 auto quick attr