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Date: Tue, 19 Apr 2016 21:35:38 -0400 From: Howard Cochran <hcochran@...nelspring.com> To: Jakob Unterwurzacher <jakobunt@...il.com> Cc: Tejun Heo <tj@...nel.org>, Ashish Sangwan <ashishsangwan2@...il.com>, 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> Subject: Re: [fuse-devel] Horrible mmap write performance (kernel writeback issue?) On Mon, Apr 18, 2016 at 5:06 PM, Jakob Unterwurzacher <jakobunt@...il.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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