the-tree/io_uring/timeout.h

0001 // SPDX-License-Identifier: GPL-2.0
0002
0003 struct io_timeout_data {
0004     struct io_kiocb         *req;
0005     struct hrtimer          timer;
0006     struct timespec64       ts;
0007     enum hrtimer_mode       mode;
0008     u32             flags;
0009 };
0010
0011 struct io_kiocb *__io_disarm_linked_timeout(struct io_kiocb *req,
0012                         struct io_kiocb *link);
0013
0014 static inline struct io_kiocb *io_disarm_linked_timeout(struct io_kiocb *req)
0015 {
0016     struct io_kiocb *link = req->link;
0017
0018     if (link && link->opcode == IORING_OP_LINK_TIMEOUT)
0019         return __io_disarm_linked_timeout(req, link);
0020
0021     return NULL;
0022 }
0023
0024 __cold void io_flush_timeouts(struct io_ring_ctx *ctx);
0025 struct io_cancel_data;
0026 int io_timeout_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd);
0027 __cold bool io_kill_timeouts(struct io_ring_ctx *ctx, struct task_struct *tsk,
0028                  bool cancel_all);
0029 void io_queue_linked_timeout(struct io_kiocb *req);
0030 bool io_disarm_next(struct io_kiocb *req);
0031
0032 int io_timeout_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
0033 int io_link_timeout_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
0034 int io_timeout(struct io_kiocb *req, unsigned int issue_flags);
0035 int io_timeout_remove_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
0036 int io_timeout_remove(struct io_kiocb *req, unsigned int issue_flags);