On Thu, 27 Feb 2025 18:37:07 +0800, Ming Lei wrote:
> The in-tree ublk driver doesn't need DMA alignment limit because there
> is one data copy between request pages and the userspace buffer.
>
> However, ublk is going to support zero copy, then DMA alignment limit
> is required, because same IO buffer is forwarded to backend which may
> have specific buffer DMA alignment limit, so the limit has to be exposed
> from the frontend driver to client application.
>
> [...]
Applied, thanks!
[1/1] ublk: add DMA alignment limit
commit: 9fcc4add3c0d6e43788d55bf7a957c1d4de8584a
Best regards,
--
Jens Axboe
