From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:44640 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750707AbcFUODE (ORCPT ); Tue, 21 Jun 2016 10:03:04 -0400 Date: Tue, 21 Jun 2016 10:03:02 -0400 From: Brian Foster To: Jan Kara Cc: Holger =?iso-8859-1?Q?Hoffst=E4tte?= , linux-fsdevel@vger.kernel.org Subject: Re: What happened to the sb writeback list (aka sync efficiency) fix? Message-ID: <20160621140302.GB62352@bfoster.bfoster> References: <20160620164334.GB9474@laptop.bfoster> <20160621125446.GA9266@quack2.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20160621125446.GA9266@quack2.suse.cz> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Tue, Jun 21, 2016 at 02:54:46PM +0200, Jan Kara wrote: > On Mon 20-06-16 12:43:34, Brian Foster wrote: > > On Mon, Jun 20, 2016 at 01:46:38PM +0000, Holger Hoffst�tte wrote: > > > > > > Once upon a time there was this fine patch set called > > > "improve sync efficiency with sb inode wb list" [1] > > > by Brian Foster, who fixed up the original version by Josef Bacik. > > > > > > I've been running with this since then and it seems to work flawlessly, > > > yet it doesn't seem that this ever got merged..does anybody know why? > > > > > > Waiman Long has been working on something similar with his per-CPU > > > lists, but those patches naturally collide a bit, so I'm wondering > > > what's what. > > > > > > Fwiw the effect of the wb list on systems with many cached inodes is > > > phenomal; it would be a shame if this went unmerged. > > > > > > > FWIW, the latest version posted was v7: > > > > http://thread.gmane.org/gmane.linux.file-systems/104078 > > > > Thanks for the testing feedback. Unfortunately, I've not really heard > > any feedback on getting this merged. I'm not sure the previous > > version(s) by Josef and Dave got much traction either. :( > > Actually it would be a pitty to have this dropped. Please rebase & resend > the patches and send them to AKPM asking him to merge them because Al isn't > replying... That should make things moving. > Sure, it rebases clean so I can post a v8 after I get a chance to run some regression tests. Holger, Care to offer a Tested-by? Brian > Honza > -- > Jan Kara > SUSE Labs, CR > -- > To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html