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From: Matthew Wilcox <matthew@wil.cx>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Daniel Phillips <phillips@phunq.net>,
	linux-fsdevel@vger.kernel.org, tux3@tux3.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [Tux3] Tux3 report: Tux3 Git tree available
Date: Thu, 12 Mar 2009 07:59:40 -0600	[thread overview]
Message-ID: <20090312135940.GB14425@parisc-linux.org> (raw)
In-Reply-To: <200903130004.40483.nickpiggin@yahoo.com.au>

On Fri, Mar 13, 2009 at 12:04:40AM +1100, Nick Piggin wrote:
> As far as the per-block pagecache state (as opposed to the per-block fs
> state), I don't see any reason it is a problem for efficiency. We have to
> do per-page operations anyway.

Why?  Wouldn't it be nice if we could do arbitrary extents?  I suppose
superpages or soft page sizes get us most of the way there, but the
rounding or pieces at the end are a bit of a pain.  Sure, it'll be a
huge upheaval for the VM, but we're good at huge upheavals ;-)

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."

  reply	other threads:[~2009-03-12 13:59 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200903110925.37614.phillips@phunq.net>
     [not found] ` <200903122010.31282.nickpiggin@yahoo.com.au>
     [not found]   ` <200903120315.07610.phillips@phunq.net>
2009-03-12 11:03     ` [Tux3] Tux3 report: Tux3 Git tree available Nick Piggin
2009-03-12 12:24       ` Daniel Phillips
2009-03-12 12:32         ` Matthew Wilcox
2009-03-12 12:45           ` Nick Piggin
2009-03-12 13:12             ` [Tux3] " Daniel Phillips
2009-03-12 13:06           ` Daniel Phillips
2009-03-12 13:04         ` Nick Piggin
2009-03-12 13:59           ` Matthew Wilcox [this message]
2009-03-12 14:19             ` [Tux3] " Nick Piggin
2009-03-15  3:24             ` Daniel Phillips
2009-03-15  3:50               ` [Tux3] " Nick Piggin
2009-03-15  4:08                 ` Daniel Phillips
2009-03-15  4:14                   ` [Tux3] " Nick Piggin
2009-03-15  2:41           ` Daniel Phillips
2009-03-15  3:45             ` Nick Piggin
2009-03-15 21:44               ` Theodore Tso
2009-03-15 22:41                 ` Daniel Phillips
2009-03-16 10:32                   ` Nick Piggin
2009-03-16  5:12                 ` Dave Chinner
2009-03-16  6:38                   ` Theodore Tso
2009-03-16 10:14                     ` Nick Piggin
2009-03-12 17:06       ` [Tux3] " Theodore Tso
2009-03-13  9:32         ` Nick Piggin

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