// SPDX-License-Identifier: GPL-2.0 struct uring_cache {	struct io_uring_sqe sqes[2];}; int io_uring_cmd(struct io_kiocb *req, unsigned int issue_flags);int io_uring_cmd_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); bool io_uring_try_cancel_uring_cmd(struct io_ring_ctx *ctx,				   struct task_struct *task, bool cancel_all);