linux-kernel - Re: [PATCH 0/7] Per-bdi writeback flusher threads v20

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Message-ID: <20090911140431.GF14984@kernel.dk>
Date:	Fri, 11 Sep 2009 16:04:31 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Chris Mason <chris.mason@...cle.com>
Cc:	Theodore Tso <tytso@....edu>, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, hch@...radead.org,
	akpm@...ux-foundation.org, jack@...e.cz,
	Wu Fengguang <fengguang.wu@...el.com>
Subject: Re: [PATCH 0/7] Per-bdi writeback flusher threads v20

On Fri, Sep 11 2009, Chris Mason wrote:
> On Fri, Sep 11, 2009 at 09:42:41AM -0400, Theodore Tso wrote:
> > On Fri, Sep 11, 2009 at 09:34:03AM +0200, Jens Axboe wrote:
> > > Hi,
> > > 
> > > (sorry if you receive this twice, the original posting had a mangled
> > >  From address).
> > > 
> > > This is the 20th release of the writeback patchset. Changes since
> > > v19 include:
> > > 
> > > - Drop the max writeback pages patch from Ted. I think we should do
> > >   something to that effect, but there's really no reason to entangle
> > >   it with this patchset.
> > 
> > That's reasonable, but I'd really like to know whether some VM hacker
> > going to try to deal with this during the 2.6.32 window?  Such as
> > maybe Wu Fengguang's patches, perhaps?  
> 
> Wu Fengguang's patches seem very reasonable to me.  My only concern is
> that with tossing it in all at once.  I'd rather seen Jens' work go in
> and then incremental benchmarking done afterward.

OK, if that's the general consensus, then I'll add it back and we can
build from there.

-- 
Jens Axboe

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