[PATCH 4/7] swiotlb: Expose swiotlb_nr_tlb function to modules as swiotlb_enabled

[FUJITA Tomonori]

On Tue, 13 Sep 2011 10:12:47 -0400
Konrad Rzeszutek Wilk <konrad.wilk at oracle.com> wrote:

> As a mechanism to detect whether SWIOTLB is enabled or not.
> And as such, we might as well wrap it within an 'swiotlb_enabled()'
> function that will call the swiotlb_nr_tlb.
> 
> We also fix the spelling - it was swioltb instead of
> swiotlb.
> 
> CC: FUJITA Tomonori <fujita.tomonori at lab.ntt.co.jp>
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk at oracle.com>
> ---
>  drivers/xen/swiotlb-xen.c |    2 +-
>  include/linux/swiotlb.h   |    7 ++++++-
>  lib/swiotlb.c             |    5 +++--
>  3 files changed, 10 insertions(+), 4 deletions(-)

Can we just use swiotlb_nr_tbl() rather than inventing a new function
that only wraps swiotlb_nr_tbl()?