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git.ipfire.org Git - thirdparty/linux.git/blob - io_uring/poll.h
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
);