Re: [PATCH v20 00/12] Implement copy offload support

[Christoph Hellwig]

On Mon, Jun 03, 2024 at 10:53:39AM +0000, Nitesh Shetty wrote:
> The major benefit of this copy-offload/emulation framework is
> observed in fabrics setup, for copy workloads across the network.
> The host will send offload command over the network and actual copy
> can be achieved using emulation on the target (hence patch 4).
> This results in higher performance and lower network consumption,
> as compared to read and write travelling across the network.
> With this design of copy-offload/emulation we are able to see the
> following improvements as compared to userspace read + write on a
> NVMeOF TCP setup:

What is the use case of this?   What workloads does raw copies a lot
of data inside a single block device?