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    SubjectRe: Horrible btrfs performance due to fragmentation
    On Mon, Nov 1, 2010 at 11:58 AM, Felipe Contreras
    <> wrote:
    > Or when going through all the fragments of a file, have a counter, and
    > if it exceeds certain limit mark it somehow, so that it gets
    > defragmented at least to a certain extent.

    Thats elegant, — then resources are only spent on defragmenting files
    which are actually in use and which actually need it... but I don't
    see how it deals with the partial mutual exclusivity of defragmenting
    and COWed files.
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