Re: [PATCH 03/17] BLOCK: Stop fallback_migrate_page() from using page_has_buffers() [try #2]

[Christoph Hellwig]

On Thu, Aug 24, 2006 at 10:32:58PM +0100, David Howells wrote:
> From: David Howells <dhowells@xxxxxxxxxx>
> 
> Stop fallback_migrate_page() from using page_has_buffers() since that might not
> be available.  Use PagePrivate() instead since that's more general.

We should document somewhere where to use which of those functions,
especially as they are currently 100% functionally identical.

Also if we ever get private data for anything but buffers these kinds of
checks in generic code will cause problems.  Maybe we should just
kill the default fallback in this case?

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