root/io_uring/timeout.h
// SPDX-License-Identifier: GPL-2.0

struct io_timeout_data {
        struct io_kiocb                 *req;
        struct hrtimer                  timer;
        struct timespec64               ts;
        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);