On Thu, Oct 18, 2018 at 09:18:14PM +0800, Ming Lei wrote: > Turns out q->dma_alignement should be stack limit because now bvec table > is immutalbe, the underlying queue's dma alignment has to be perceptible > by stack driver, so IO buffer can be allocated as dma aligned before > adding to bio. > > So this patch moves .dma_alignment into q->limits and prepares for > making it as one stacked limit. Looks fine: Reviewed-by: Christoph Hellwig <hch@xxxxxx>
