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Date:	Wed, 5 Sep 2012 11:56:48 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Luk?? Czerner <lczerner@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
	tytso@....edu, hughd@...gle.com, linux-mm@...ck.org
Subject: Re: [PATCH 01/15 v2] mm: add invalidatepage_range address space
 operation

On Wed, Sep 05, 2012 at 10:36:00AM -0400, Luk?? Czerner wrote:
> However if we would want to keep ->invalidatepage_range() and
> ->invalidatepage() completely separate then we would have to have
> separate truncate_inode_pages_range() and truncate_pagecache_range()
> as well for the separation to actually matter. And IMO this would be
> much worse...

What's the problem with simply changing the ->invalidatepage prototype
to always pass the range and updating all instances for it?

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