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    SubjectRe: Kernel hacking ? - Can this be done?
    On Fri, Jul 30, 1999 at 10:40:46PM +0200, Arjan van de Ven wrote:

    > > Does that mean you're doing a kernel space -> kernel space copy?
    > Yes.

    > > Couldn't you just nick the data straight from the page cache?

    > That is possible too, in fact, I am adding this to kHTTPd right now. For
    > non-performance critical tasks, this is WAY to much pain though, since this
    > will only work for most filesystems (the f_ops->read works for ALL sane
    > filesystems), and proper locking isn't easy either.

    If instead of the current f_ops->read, filesystems exported a function which
    could take something similar to a read_actor_t, you could use that. I think.
    I need to think about this a bit more..

    "Apathy is not the problem, it's the solution"

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