On Mon, Feb 03, 2014 at 07:12:42AM -0800, Christoph Hellwig wrote:
> > we end up calling it is allowed to try and steal pages). Possibly more
> > variants on the read side of things... FWIW, I'm not sure that bio_vec
> > makes a lot of sense here.
>
> bio_vec just is one of the many page+offset+len containers we have, I
> guess Dave took it because loop uses it. We could either invent a new
> one here or finally have a common one for the different uses all over
> the kernel.
*blink*
Good luck unifying all such uses. That would have to include the things
needed by pipe_buffer, DMA-related bits for scatterlist, etc. I don't
believe that it's feasible, or would've been a good idea in the first
place...
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