Messages in this thread | | | From | Duncan Sands <> | Subject | Re: MAX_USBFS_BUFFER_SIZE | Date | Wed, 1 Mar 2006 22:59:26 +0100 |
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> 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.
Ciao,
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