[PATCH 1/5] XFS: fix error inversion problems with data flushing

[Christoph Hellwig]

On Mon, Nov 03, 2008 at 09:51:33AM +1100, Dave Chinner wrote:
> Yes, that's the point of the patch - we get it wrong in many
> places and this fixes them so that correctly signed error values
> are returned to the higher layers....

Well, you also introduce xfs_wait_on_pages, which should at least be
documented.  And I'd have to say I don't really like adding more of
these wrappers just for the sake of it.