Subject: Re: [fuse-devel] Horrible mmap write performance (kernel writeback
 issue?)
To: Tejun Heo <tj@kernel.org>, Ashish Sangwan <ashishsangwan2@gmail.com>
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Cc: Miklos Szeredi <miklos@szeredi.hu>,
        fuse-devel <fuse-devel@lists.sourceforge.net>,
        Linux-Fsdevel <linux-fsdevel@vger.kernel.org>,
        Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Howard Cochran <hcochran@kernelspring.com>
From: Jakob Unterwurzacher <jakobunt@gmail.com>
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Date: Mon, 18 Apr 2016 23:06:25 +0200
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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