linux-kernel - Re: [PATCH 1/17] cramfs: use read_mapping

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Message-ID: <20070412095428.GA22675@infradead.org>
Date:	Thu, 12 Apr 2007 10:54:28 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	Nate Diller <nate.diller@...il.com>
Cc:	Andrew Morton <akpm@...l.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christoph Hellwig <hch@...radead.org>,
	Roman Zippel <zippel@...ux-m68k.org>,
	Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz>,
	David Woodhouse <dwmw2@...radead.org>,
	Dave Kleikamp <shaggy@...tin.ibm.com>,
	Anton Altaparmakov <aia21@...tab.net>,
	Evgeniy Dushistov <dushistov@...l.ru>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	reiserfs-dev@...esys.com
Subject: Re: [PATCH 1/17] cramfs: use read_mapping_page

On Wed, Apr 11, 2007 at 07:49:38PM -0700, Nate Diller wrote:
> read_mapping_page_async() is going away, so convert its only user to
> read_mapping_page().  This change has not been benchmarked, however, in
> order to get real parallelism this wants something completely different,
> like __do_page_cache_readahead(), which is not currently exported.

Why is read_mapping_page_async going away?  This probably needs a lot more
testing, and I'd be much happier if you split it out of the series and
sent it separately at the end.

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