Re: [PATCHv8 4/6] io_uring: add support for kernel registered bvecs

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On Thu, Feb 27, 2025 at 02:39:14PM -0800, Keith Busch wrote:
> From: Keith Busch <kbusch@xxxxxxxxxx>
> 
> Provide an interface for the kernel to leverage the existing
> pre-registered buffers that io_uring provides. User space can reference
> these later to achieve zero-copy IO.
> 
> User space must register an empty fixed buffer table with io_uring in
> order for the kernel to make use of it.
> 
> Signed-off-by: Keith Busch <kbusch@xxxxxxxxxx>

Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>

Thanks,
Ming





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