Re: [PATCH 3/6] iomap: Check iblocksize before transforming page->private

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On Fri, Jun 21, 2019 at 02:28:25PM -0500, Goldwyn Rodrigues wrote:
> From: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>
> 
> btrfs uses page->private as well to store extent_buffer. Make
> the check stricter to make sure we are using page->private for iop by
> comparing iblocksize < PAGE_SIZE.
> 
> Signed-off-by: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>

If btrfs uses page->private itself and also uses functions that call
to_iomap_page we have a major problem, as we now have a usage conflict.

How do you end up here?  



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