LA Walsh wrote:
>
>
> I find this duplication of code to be inefficient. Is there a way to dummy up the
> the 'buf' address so that the "copy_from_user" will copy the buffer from kernel
>space?
> My assumption is that it wouldn't "just work" (which may also be an invalid
>assumption).
>
> Su
I have a block driver I inherited that I working on that has a problem and
was wondering for cleaner solutions.
The driver can accept written characters from either userspace programs or from
the kernel. From userspace it uses sys_write. That in turn calls block_write.
There's almost 100 lines
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