Re: [PATCH 14/16] io_uring: support kernel side submission

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> +struct iocb_submit {
> +	const struct io_uring_iocb *iocb;
> +	unsigned int index;
> +};
> +
> +struct io_work {
> +	struct work_struct work;
> +	struct io_ring_ctx *ctx;
> +	struct io_uring_iocb iocb;
> +	unsigned iocb_index;
> +};

I think we should use struct iocb_submit everywhere where we pass
an iocb + index, including in the io_work structure.  Here is how
I did that to my old tree:

http://git.infradead.org/users/hch/misc.git/commitdiff/65929ed6f143a1c996305a10a15fd7f64d32595f

Btw, I think we can also remove the separate io_work allocation,
just do the io_get_req in the submission context, and overlay
the io_work onto the iocb in a union of some sort.  This avoids
a whole memory allocation.



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