Re: silent semantic changes with reiser4

[Jamie Lokier]

Christophe Saout wrote:
> What reiser4 can do, but the VFS can't is to insert or remove data in
> the middle of a file. Adding this above the page cache would probably be
> almost impossible (truncate seems already complicated enough).

That would be one of those "special features" that a
VFS-plus-userspace implementation of archive views could take
advantage of on reiser4, while using a slower method (sometimes much
slower) on all other filesystems.

By the way, can reiser4 share parts of files between different files?

-- Jamie
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