| // SPDX-License-Identifier: GPL-2.0 |
| #define IO_POLL_ALLOC_CACHE_MAX 32 |
| struct wait_queue_head *head; |
| struct wait_queue_entry wait; |
| struct io_poll *double_poll; |
| * Must only be called inside issue_flags & IO_URING_F_MULTISHOT, or |
| * potentially other cases where we already "own" this poll request. |
| static inline void io_poll_multishot_retry(struct io_kiocb *req) |
| atomic_inc(&req->poll_refs); |
| int io_poll_add_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); |
| int io_poll_add(struct io_kiocb *req, unsigned int issue_flags); |
| int io_poll_remove_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); |
| int io_poll_remove(struct io_kiocb *req, unsigned int issue_flags); |
| int io_poll_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd, |
| int io_arm_poll_handler(struct io_kiocb *req, unsigned issue_flags); |
| bool io_poll_remove_all(struct io_ring_ctx *ctx, struct task_struct *tsk, |
| void io_poll_task_func(struct io_kiocb *req, struct io_tw_state *ts); |