Re: Reading from file in module fails

Erik Mouw
2004-05-03T11:49:04Z

On Mon, May 03, 2004 at 01:43:16PM +0200, Libor Vanek wrote:
> > (BTW, if you need to copy files from kernel, it's usually a sign of bad
> > design)
>
> It's not bad design - what I'm doing is writing snapshots for VFS as
> my diploma thesis. And I need to create copy of file before it's
> changed (copy-on-write). There is no other way how to do it in
> kernel-space (and user-space solutions like using LUFS are really
> slow)

Have a look at the cowlinks (copy-on-write links) thread from last
month, it might do the trick.

Erik

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