One of the #Linux distributions we hear very little about in the industry for cloud/#VM usage is #GentooLinux. But that could change with the #Gentoo project now putting out official #QCOW2 disk images to make it easier deploying this source-based Linux distribution within #virtualmachines. With these QCOW2 images, the XFS file-system is their preferred choice used for its copy-on-write, reflinks, and other features.
https://www.phoronix.com/news/Gentoo-Linux-QCOW2-VMs