[CentOS] Filesystem that doesn't store duplicate data

[John R Pierce]

Ross S. W. Walker wrote:
> How about a FUSE file system (userland, ie NTFS 3G) that layers
> on top of any file system that supports hard links, intercepts
> the FS API and stores all files in a hidden directory and names
> them after their MD5 hash and hard links to the file name in
> the user directory stucture. When the # of links drops to 1
> then the hash is removed, when new files are copied in if the
> hash collides with an existing one the data is discarded and
> only a hard link is made.
>
> Of course it will be a little more involved then this, but the
> idea is to keep it really simple so it's less likely to break.
>   

yeah, be REAL fun when an app random updates one of said files.