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

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Message-ID: <57154C51.5020609@gmail.com>
Date:	Mon, 18 Apr 2016 23:06:25 +0200
From:	Jakob Unterwurzacher <jakobunt@...il.com>
To:	Tejun Heo <tj@...nel.org>,
	Ashish Sangwan <ashishsangwan2@...il.com>
Cc:	Miklos Szeredi <miklos@...redi.hu>,
	fuse-devel <fuse-devel@...ts.sourceforge.net>,
	Linux-Fsdevel <linux-fsdevel@...r.kernel.org>,
	Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Howard Cochran <hcochran@...nelspring.com>
Subject: Re: [fuse-devel] Horrible mmap write performance (kernel writeback
 issue?)

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