Am Mittwoch, 1. März 2006 22:59 schrieb Duncan Sands:
> > So, queing alot URBs is the recommended way to sustain the bus? Allowing
> > way bigger buffers will not be realistic?
>
> usbfs could copy the user buffer to a bunch of non-contiguous pages, and
> then fire those off in an urb using the scatter-gather stuff. [Rather than,
> as now, allocating a bunch of contiguous pages using kmalloc]. That would
> probably make it possible to use much much bigger user-space buffers. Plus
> the code looks rather easy to write.
It seems to me that that would change the API. The scatter/gather stuff
can fail partially, can't it?
Regards
Oliver
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