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

From	Sedat Dilek <sedat.dilek@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [fuse-devel] Horrible mmap write performance (kernel writeback issue?)
Date	2016-04-25 10:10 +0200
Message-ID	<rrJKH-2lq-19@gated-at.bofh.it> (permalink)
References	(8 earlier) <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> <rpPhx-8ai-15@gated-at.bofh.it>
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On Wed, Apr 20, 2016 at 3:35 AM, Howard Cochran
<hcochran@kernelspring.com> wrote:
> 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.
>

What has happened to "writeback: Fix performance regression in
wb_over_bg_thresh()"?
I checked Linux v4.6-rc5, it is not included.
Is it in another Git tree? If yes, where?

- sed@ -

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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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