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    SubjectRe: RFC: [PATCH-2.6] Add helper function to lock multiple page cache pages.
    Anton Altaparmakov <aia21@cam.ac.uk> wrote:
    >
    > On Thu, 3 Feb 2005, Andrew Morton wrote:
    > > I did a patch which switched loop to use the file_operations.read/write
    > > about a year ago. Forget what happened to it. It always seemed the right
    > > thing to do..
    >
    > How did you implement the write?

    It was Urban, actually. Memory fails me.

    http://marc.theaimsgroup.com/?l=linux-fsdevel&m=102133217310200&w=2

    It won't work properly for crypto transformations - iirc we decided it
    would need to perform a copy.
    -
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