linux-ext4 - Re: [RFC 1/4] Large Blocksize support for Ext2/3/4

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Date:	Fri, 31 Aug 2007 17:01:30 -0700
From:	Mingming Cao <cmm@...ibm.com>
To:	clameter@....com
Cc:	linux-fsdevel@...r.kernel.org, adilger@...sterfs.com,
	sho@...s.nec.co.jp, ext4 development <linux-ext4@...r.kernel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC 1/4] Large Blocksize support for Ext2/3/4

On Wed, 2007-08-29 at 17:47 -0700, Mingming Cao wrote:

> Just rebase to 2.6.23-rc4 and against the ext4 patch queue. Compile tested only. 
> 
> Next steps:
> Need a e2fsprogs changes to able test this feature. As mkfs needs to be
> educated not assuming rec_len to be blocksize all the time.
> Will try it with Christoph Lameter's large block patch next.
> 

Two problems were found when testing largeblock on ext3.  Patches to
follow. 

Good news is, with your changes, plus all these extN changes, I am able
to run ext2/3/4 with 64k block size, tested on x86 and ppc64 with 4k
page size. fsx test runs fine for an hour on ext3 with 16k blocksize on
x86:-)

Mingming

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