Re: Disk priorities...

From: Alexander Viro (viro@math.psu.edu)
Date: Sun Oct 01 2000 - 16:33:20 EDT

  • Next message: Rik van Riel: "Re: Soft-Updates for Linux ?"

    On Sun, 1 Oct 2000, Rik van Riel wrote:

    > On Sun, 1 Oct 2000, LA Walsh wrote:
    >
    > > Forgive me if this has been asked before, but has there ever
    > > been any thought of having a 'nice' value for disk accesses?.
    >
    > Not currently, but it would be trivial to adjust the maximum
    > elevator sorting latency according to the niceness of the
    > process. I have no idea how much this would help, though ...

    What process? By the time when bh hits the ll_rw_block() originating
    process may be dead. And if you mean reads... Good luck propagating the
    originator information.

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