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/* SPDX-License-Identifier: GPL-2.0 */
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struct io_ring_ctx;
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int io_eventfd_register(struct io_ring_ctx *ctx, void __user *arg,
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unsigned int eventfd_async);
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int io_eventfd_unregister(struct io_ring_ctx *ctx);
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void io_eventfd_signal(struct io_ring_ctx *ctx, bool cqe_event);
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