// SPDX-License-Identifier: GPL-2.0 struct io_timeout_data {	struct io_kiocb			*req;	struct hrtimer			timer;	ktime_t				time;	enum hrtimer_mode		mode;	u32				flags;}; __cold void io_flush_timeouts(struct io_ring_ctx *ctx);struct io_cancel_data;int io_timeout_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd);__cold bool io_kill_timeouts(struct io_ring_ctx *ctx, struct io_uring_task *tctx,			     bool cancel_all);void io_queue_linked_timeout(struct io_kiocb *req);void io_disarm_next(struct io_kiocb *req); int io_timeout_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);int io_link_timeout_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);int io_timeout(struct io_kiocb *req, unsigned int issue_flags);int io_timeout_remove_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);int io_timeout_remove(struct io_kiocb *req, unsigned int issue_flags);