Re: [RFC PATCH v2 1/4] net: wire up support for file_operations->uring_cmd()

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On 6/19/23 2:28 AM, Pavel Begunkov wrote:
> That callback is all about file dependent operations, just like ioctl.
> And as the patch in question is doing socket specific stuff, I think
> architecturally it fits well. I also believe Breno wants to extend it
> later to support more operations.
> Sockets are a large chunk of use cases, it can be implemented as a
> separate io_uring request type if nothing else works, but in general
> that might not be as scalable.

The io_uring commands are wrappers to existing networking APIs - doing
via io_uring what userspace apps can do via system calls. As such, the
translations should be done in io_uring code and then invoking in-kernel

Same comment applies to sockopts when those come around and any other
future extensions.

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