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Re: [fuse-devel] Horrible mmap write performance (kernel writeback issue?)

From Howard Cochran <hcochran@kernelspring.com>
Newsgroups linux.kernel
Subject Re: [fuse-devel] Horrible mmap write performance (kernel writeback issue?)
Date 2016-04-20 03:40 +0200
Message-ID <rpPhx-8ai-15@gated-at.bofh.it> (permalink)
References (7 earlier) <rmF51-2CR-25@gated-at.bofh.it> <rmUno-6qa-3@gated-at.bofh.it> <rn2NX-4Qf-5@gated-at.bofh.it> <rn4mK-6uB-19@gated-at.bofh.it> <rpoAH-3RI-37@gated-at.bofh.it>
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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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Thread

Re: [fuse-devel] Horrible mmap write performance (kernel writeback  issue?) Jakob Unterwurzacher <jakobunt@gmail.com> - 2016-04-18 23:10 +0200
  Re: [fuse-devel] Horrible mmap write performance (kernel writeback issue?) Howard Cochran <hcochran@kernelspring.com> - 2016-04-20 03:40 +0200
    Re: [fuse-devel] Horrible mmap write performance (kernel writeback issue?) Sedat Dilek <sedat.dilek@gmail.com> - 2016-04-25 10:10 +0200

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