From: Brian Foster <bfoster@redhat.com>
To: Jan Kara <jack@suse.cz>
Cc: "Holger Hoffstätte" <holger@applied-asynchrony.com>,
linux-fsdevel@vger.kernel.org
Subject: Re: What happened to the sb writeback list (aka sync efficiency) fix?
Date: Tue, 21 Jun 2016 10:03:02 -0400 [thread overview]
Message-ID: <20160621140302.GB62352@bfoster.bfoster> (raw)
In-Reply-To: <20160621125446.GA9266@quack2.suse.cz>
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 <jack@suse.com>
> SUSE Labs, CR
> --
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next prev parent reply other threads:[~2016-06-21 14:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-20 13:46 What happened to the sb writeback list (aka sync efficiency) fix? Holger Hoffstätte
2016-06-20 16:43 ` Brian Foster
2016-06-20 17:51 ` Holger Hoffstätte
2016-06-21 12:54 ` Jan Kara
2016-06-21 14:03 ` Brian Foster [this message]
2016-06-21 14:12 ` Holger Hoffstätte
2016-06-22 11:42 ` Brian Foster
2016-06-22 12:28 ` Holger Hoffstätte
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