kfifo: clean up example to not use page_link

This is a layering violation so we replace the uses with calls to
sg_page().  This is a prep patch for replacing page_link and this is one
of the very few uses outside of scatterlist.h.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Logan Gunthorpe <[email protected]>
Signed-off-by: Stephen Bates <[email protected]>
Acked-by: Stefani Seibold <[email protected]>
Cc: Stefani Seibold <[email protected]>
Cc: Greg KH <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
1 file changed