io_uring/timeout.h

   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);