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    SubjectRe: [PATCH] [Request for inclusion] Filesystem in Userspace
    Alan Cox wrote:

    >>I really do believe that user-space filesystems have problems. There's a
    >>reason we tend to do them in kernel space.
    >>But limiting the outstanding writes some way may at least hide the thing.
    >Possibly dumb question. Is there a reason we can't have a prctl() that
    >flips the PF_* flags for a user space daemon in the same way as we do
    >for kernel threads that do I/O processing ?

    discusses a userspace filesystem (implemented as a userspace nfs server
    mounted on a loopback nfs mount), the problem, a solution (exactly your
    suggestion), and a more generic solution.

    Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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