[linux-lvm] Data deduplication for Linux : lessfs

[Mark Ruijter]

> Block level deduplication isn't going to know/care about the
> difference between file contents and metadata.  It is either stored in
> blocks that match other blocks or not and the difference should not be
> visible to the filesystem living on top of the block device.
>
Exactly. And this is why lessfs can easily write files with speeds up to
200MB~300MB/sec on modern hardware.

Mark.