[PATCH v5 06/10] io_uring/rw: add support to send metadata along with read/write

[Christoph Hellwig]

On Wed, Oct 30, 2024 at 10:35:19AM +0530, Kanchan Joshi wrote:
> if (sqe->meta_type)
> {
> 	if (type1(sqe->meta_type))
> 		process(type1);
> 	if (type2(sqe>meta_type))
> 		process(type1);
> }

Ensuring that all these are incompatible, which doesn't exactly scale.

So as is this weird meta_type thing (especially overloading the
meta name which is unfortuntely) feels actively harmful.