329061d3e2
Add a io_poll_issue() rather than export the general task_work locking and io_issue_sqe(), and put the io_op_defs definition and structure into a separate header file so that poll can use it. Signed-off-by: Jens Axboe <axboe@kernel.dk>
31 lines
828 B
C
31 lines
828 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
|
|
enum {
|
|
IO_APOLL_OK,
|
|
IO_APOLL_ABORTED,
|
|
IO_APOLL_READY
|
|
};
|
|
|
|
struct io_poll {
|
|
struct file *file;
|
|
struct wait_queue_head *head;
|
|
__poll_t events;
|
|
struct wait_queue_entry wait;
|
|
};
|
|
|
|
struct async_poll {
|
|
struct io_poll poll;
|
|
struct io_poll *double_poll;
|
|
};
|
|
|
|
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,
|
|
bool cancel_all);
|