linux-kernel - Re: [00/17] Large Blocksize Support V3

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Date:	Thu, 26 Apr 2007 17:07:27 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	David Chinner <dgc@....com>
CC:	Christoph Lameter <clameter@....com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org, Mel Gorman <mel@...net.ie>,
	William Lee Irwin III <wli@...omorphy.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	Badari Pulavarty <pbadari@...il.com>,
	Maxim Levitsky <maximlevitsky@...il.com>
Subject: Re: [00/17] Large Blocksize Support V3

David Chinner wrote:
> On Thu, Apr 26, 2007 at 04:53:40PM +1000, Nick Piggin wrote:
> 
>>Christoph Lameter wrote:
>>
>>>On Thu, 26 Apr 2007, Nick Piggin wrote:
>>>
>>>>I am working now and again on some code to do this, it is a big job but
>>>>I think it is the right way to do it. But it would take a long time to
>>>>get stable and supported by filesystems...
>>>
>>>Ummm... We already have a radix tree for this???? What more is needed? You 
>>>just need to go through all filesystems and make them use extends.
>>
>>I'm talking about block size > page size in the buffer layer.
> 
> 
> Nick, what's the buffer layer? Are you talking about operations
> based on bufferheads?

Yeah. Our pgoff_t->sector_t translation.

-- 
SUSE Labs, Novell Inc.
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