xref: /linux/io_uring/timeout.h (revision e80a48bade619ec5a92230b3d4ae84bfc2746822)
1 // SPDX-License-Identifier: GPL-2.0
2 
3 struct io_timeout_data {
4 	struct io_kiocb			*req;
5 	struct hrtimer			timer;
6 	struct timespec64		ts;
7 	enum hrtimer_mode		mode;
8 	u32				flags;
9 };
10 
11 struct io_kiocb *__io_disarm_linked_timeout(struct io_kiocb *req,
12 					    struct io_kiocb *link);
13 
14 static inline struct io_kiocb *io_disarm_linked_timeout(struct io_kiocb *req)
15 {
16 	struct io_kiocb *link = req->link;
17 
18 	if (link && link->opcode == IORING_OP_LINK_TIMEOUT)
19 		return __io_disarm_linked_timeout(req, link);
20 
21 	return NULL;
22 }
23 
24 __cold void io_flush_timeouts(struct io_ring_ctx *ctx);
25 struct io_cancel_data;
26 int io_timeout_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd);
27 __cold bool io_kill_timeouts(struct io_ring_ctx *ctx, struct task_struct *tsk,
28 			     bool cancel_all);
29 void io_queue_linked_timeout(struct io_kiocb *req);
30 void io_disarm_next(struct io_kiocb *req);
31 
32 int io_timeout_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
33 int io_link_timeout_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
34 int io_timeout(struct io_kiocb *req, unsigned int issue_flags);
35 int io_timeout_remove_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
36 int io_timeout_remove(struct io_kiocb *req, unsigned int issue_flags);
37