On Sun, May 22, 2022 at 07:02:01AM -0600, Jens Axboe wrote:
> +static void iter_uaddr_advance(struct iov_iter *i, size_t size)
> +{
> +}
How could that possibly work? At the very least you want to do
what xarray does - you *must* decrement ->count and shift ->iov_offset.
Matter of fact, I'd simply go with a bit of reorder and had it go
for if (iter_is_uaddr(i) || iter_is_xarray(i)) in there...
