linux-ext4 - Re: [RFC 1/2] JBD: slab management support for large block(>8k)

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Date:	Mon, 3 Sep 2007 20:33:08 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	Christoph Lameter <clameter@....com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Mingming Cao <cmm@...ibm.com>, 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 1/2] JBD: slab management support for large block(>8k)

On Mon, Sep 03, 2007 at 12:31:49PM -0700, Christoph Lameter wrote:
> So you'd be fine with replacing the allocs with
> 
> get_free_pages(GFP_xxx, get_order(size)) ?

Yes.  And rip out all that code related to setting up the slabs.  I plan
to add WARN_ONs to bio_add_page and friends to detect further usage of
slab pages if there is any.

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