On Tue, Jul 26, 2022 at 10:38:11AM -0700, Keith Busch wrote:
> +void iov_iter_dma_tag(struct iov_iter *i, unsigned int direction,
> + void *dma_tag, unsigned int dma_offset,
> + unsigned long nr_segs, size_t count)
> +{
> + WARN_ON(direction & ~(READ | WRITE));
> + *i = (struct iov_iter){
> + .iter_type = ITER_DMA_TAG,
> + .data_source = direction,
> + .nr_segs = nr_segs,
Could you can that cargo-culting? Just what the hell is nr_segs
here?
