Re: [Patch] Increase USBFS Bulk Transfer size

Markus Rechberger
2011-10-17T19:07:03Z

On Mon, Oct 17, 2011 at 8:38 PM, Alan Stern <stern@rowland.harvard.edu> wrote:
> Markus:
>
> Attached is a sequence of two patches for you to try out.  The second
> is meant to be applied on top of the first.  I based them on 3.1-rc4
> (more or less) so they may need a little tweaking for your kernel, but
> hopefully not very much.
>
> The first patch simplifies the error pathways for the USB submission
> routines in usbfs.  The second patch removes the limits on the sizes of
> individual URBs and replaces them with a global limit on the total
> amount of memory allocated by usbfs.
>
> They work okay on my system but I don't have any good way to give them
> a thorough test.  Please try them out and see if they allow your webcam
> programs to work properly.
>

will go through it within the next 1-2 days, just a bit busy with
other things now..

thanks,
Markus
> Alan Stern
>