poll_req 1757 fs/io_uring.c struct io_kiocb *poll_req, *next; poll_req 1767 fs/io_uring.c list_for_each_entry_safe(poll_req, next, &ctx->cancel_list, list) { poll_req 1768 fs/io_uring.c if (READ_ONCE(sqe->addr) == poll_req->user_data) { poll_req 1769 fs/io_uring.c io_poll_remove_one(poll_req);