Re: copying linked lists structs to kernelland

[Michael B.Allen <mba2000@ioplex.com>]

On Sun, 06 Apr 2003 11:35:43 +0200
Jonathan Heusser <jonny@drugphish.ch> wrote:

> Hi,
> 
> How do I copy best a data structure which contains two or more linked 
> list heads (a la linux/list.h) plus
> some other fields to kernelland?
> Obviously a simple copy_from_user(new_struct,  (struct my_struct*) data, 
> sizeof(struct my_struct)).. does
> not work.

Sure it does. You'll just have to serialize your list and everything it
points to into a sequence of bytes. Then transfer the bytes and do the
opposite. It's not a very elegant thing to "copy linked list stucts" around
though.

Mike

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