With XFS and reflink, out-of-band deduplication is totally possible and is a userspace [1] issue. But XFS is not doing anything to assist in accelerating the i

With XFS and reflink, out-of-band deduplication is totally possible and is a userspace [1] issue. But XFS is not doing anything to assist in accelerating the identification of duplicate blocks, instead it simply implements ioctls for what is essentially extent sharing. [1] https://github.com/markfasheh/duperemove https://github.com/markfasheh/duperemove