Re: [IDEA] - run-length compaction of block numbers

[Valdis . Kletnieks]

On Fri, 16 Jan 2004 23:47:55 +0300, Hans Reiser said:

> This is already done, they are called "extent"s.  Reiser4 uses them, XFS 
> uses them, I think Veritas may have been the first to use them but I am 
> not sure of this, maybe it was IBM.

Does the extent-based disk allocation used by OS/360 in 1964 count? :)

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