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Re: posix_fallocate

Robert Elz <kre%munnari.OZ.AU@localhost> wrote:

> To answer both you and the Mouse - the difference is that a user process
> actually writing data consumes measurable resources, and thus is easy to
> find and kill.   When everything happens in the kernel, spotting which
> arrantly idle user process is making it happen is not at all easy.

We could fork a kernel thread that would go to userspace to do the work
with a write() loop, with appropriate credentials. Does it makes sense?

Emmanuel Dreyfus

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