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    SubjectRe: [fuse-devel] Horrible mmap write performance (kernel writeback issue?)
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    On Mon, Apr 18, 2016 at 5:06 PM, Jakob Unterwurzacher
    <jakobunt@gmail.com> wrote:
    > On 12.04.2016 13:09, Tejun Heo wrote:
    >>>
    >>> Probably you want to look into:
    >>> https://lkml.org/lkml/2016/3/10/21
    >>>
    >>> The patch mentioned above solves the issue for me.
    >>
    >> Heh, I tracked it down to wb_over_bg_thresh() and fell asleep. Yeah,
    >> that is the right fix.
    >
    > Works wonderfully now, thanks to everybody involved. Is it too late for 4.6?
    >
    > Best regards,
    > Jakob
    >
    Jakob, et. al.

    You're welcome. That performance problem stumped me for a couple of
    weeks until tracked it down and submitted the fix.

    Howard

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