Re: [PATCH 2/3] dma-mapping: don't return errors from dma_set_seg_boundary

[Christoph Hellwig]

On Thu, Aug 01, 2024 at 01:36:01PM +0100, Robin Murphy wrote:
> I guess I assumed that the old block layer bodges in this area had been 
> cleaned up already - perhaps it *is* high time for whatever's left to grow 
> a proper understanding of whether a block device actually does its own DMA 
> or not.

Can you point to a discussion on that?  The concepts here don't make
quite sense to me.