Re: [PATCH v2 3/3] io_uring: add splice(2) support

[Stefan Metzmacher]

Hi Pavel,

> +static int io_splice_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
> +{
> +	struct io_splice* sp = &req->splice;
> +	unsigned int valid_flags = SPLICE_F_FD_IN_FIXED | SPLICE_F_ALL;
> +	int ret;
> +
> +	if (req->flags & REQ_F_NEED_CLEANUP)
> +		return 0;
> +
> +	sp->file_in = NULL;
> +	sp->off_in = READ_ONCE(sqe->off_in);
> +	sp->off_out = READ_ONCE(sqe->off);
> +	sp->len = READ_ONCE(sqe->len);
> +	sp->flags = READ_ONCE(sqe->splice_flags);
> +
> +	if (unlikely(READ_ONCE(sqe->ioprio) || (sp->flags & ~valid_flags)))
> +		return -EINVAL;

Why is ioprio not supported?

metze

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