1 // SPDX-License-Identifier: GPL-2.0
3 #include "alloc_cache.h"
13 struct wait_queue_head *head;
16 struct wait_queue_entry wait;
22 struct io_cache_entry cache;
24 struct io_poll *double_poll;
28 * Must only be called inside issue_flags & IO_URING_F_MULTISHOT, or
29 * potentially other cases where we already "own" this poll request.
31 static inline void io_poll_multishot_retry(struct io_kiocb *req)
33 atomic_inc(&req->poll_refs);
36 int io_poll_add_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
37 int io_poll_add(struct io_kiocb *req, unsigned int issue_flags);
39 int io_poll_remove_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
40 int io_poll_remove(struct io_kiocb *req, unsigned int issue_flags);
42 struct io_cancel_data;
43 int io_poll_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd,
44 unsigned issue_flags);
45 int io_arm_poll_handler(struct io_kiocb *req, unsigned issue_flags);
46 bool io_poll_remove_all(struct io_ring_ctx *ctx, struct task_struct *tsk,
49 void io_apoll_cache_free(struct io_cache_entry *entry);
51 void io_poll_task_func(struct io_kiocb *req, struct io_tw_state *ts);