On Thu, Nov 15, 2018 at 03:23:56PM -0800, Omar Sandoval wrote:
> On Thu, Nov 15, 2018 at 04:52:52PM +0800, Ming Lei wrote:
> > BTRFS and guard_bio_eod() need to get the last singlepage segment
> > from one multipage bvec, so introduce this helper to make them happy.
> >
> > Cc: Dave Chinner
> > C
> + unsigned last_page = total / PAGE_SIZE;
> +
> + if (last_page * PAGE_SIZE == total)
Not sure it matters much with modern compilers, but generally
we shit by PAGE_SHIFT instead of multiplying with or dividing
by PAGE_SIZE.
On Thu, Nov 15, 2018 at 04:52:52PM +0800, Ming Lei wrote:
> BTRFS and guard_bio_eod() need to get the last singlepage segment
> from one multipage bvec, so introduce this helper to make them happy.
>
> Cc: Dave Chinner
> Cc: Kent Overstreet
> Cc: Mike Snitzer
> Cc: dm-de...@redhat.com
> Cc: Ale
