[PATCH v4 05/18] dma-mapping: Add check if IOVA can be used

[Christoph Hellwig]

On Thu, Dec 05, 2024 at 03:21:04PM +0200, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro at nvidia.com>
> 
> This patch adds a check if IOVA can be used for the specific
> transaction.
> 
> In the new API a DMA mapping transaction is identified by a
> struct dma_iova_state, which holds some recomputed information
> for the transaction which does not change for each page being
> mapped.

While the content of the patch here looks fine, the super fine
grained patch split look really odd and makes sensible review
hard.  Was this a request on one of the earlier versions?