Re: [PATCH v5 17/21] libnvdimm: infrastructure for btt devices

[Christoph Hellwig]

On Wed, Jun 10, 2015 at 02:46:16PM -0400, Matthew Wilcox wrote:
> Don't screw up rw_page.  The point of rw_page is to read or write a page
> cache page.  It can sleep, and it indicates success by using the page
> flags.  Don't try and scqueeze rw_bytes into it.  If you want rw_bytes
> to be a queue operation, that's one thing, but don't mess with rw_page.

Oh, I forgot about the page manipulating nature.  Yes, we'll need a different
operation in this case.
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