From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Subject: Re: [fuse-devel] Horrible mmap write performance (kernel writeback issue?) To: Tejun Heo , Ashish Sangwan References: <56E7C009.3070008@gmail.com> <56F70255.6070806@gmail.com> <20160330184732.GO7822@mtj.duckdns.org> <570B5A9A.6070104@gmail.com> <20160412002428.GQ24661@htj.duckdns.org> <20160412110903.GR24661@htj.duckdns.org> Cc: Miklos Szeredi , fuse-devel , Linux-Fsdevel , Kernel Mailing List , Howard Cochran From: Jakob Unterwurzacher Message-ID: <57154C51.5020609@gmail.com> Date: Mon, 18 Apr 2016 23:06:25 +0200 MIME-Version: 1.0 In-Reply-To: <20160412110903.GR24661@htj.duckdns.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: 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