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SubjectRe: File copy system call proposal
Hi!

> I would like to propose implementing a file copy system call.
> I expect the initial reaction to such a proposal would be "feature
> bloat" but I believe some substantial benefits can be seen possibly
> making it worthwhile, primarily the following:
>
> Copy on write:

You want cowlink() syscall, not copy() syscall. If they are on different
partitions, let userspace do the job.

> Will many other users benefit from these features? Will implementing
> them (especially copy on write) cause an excessive addition to the code
> of the kernel?

Hmm, I have almost 20 different copies of kernel on my systems.... Yep it
would save me a *lot* of space.
Pavel
--
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.

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