zfs0.7.2

I have notice that zfs 0.7.2 on pve 5.1 beta is about 10% slower compare to zfs 0.6.5.11 & pve 5.0 following is my fio testing command for write fio --ioengine=libaio --name=TEST --filename=test --bs=4M --iodepth=256 --size=65G --readwrite=write; rm test following is my fio testing command...