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33 lines
992 B
33 lines
992 B
// SPDX-License-Identifier: GPL-2.0 |
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struct io_tctx_node { |
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struct list_head ctx_node; |
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struct task_struct *task; |
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struct io_ring_ctx *ctx; |
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}; |
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int io_uring_alloc_task_context(struct task_struct *task, |
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struct io_ring_ctx *ctx); |
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void io_uring_del_tctx_node(unsigned long index); |
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int __io_uring_add_tctx_node(struct io_ring_ctx *ctx); |
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int __io_uring_add_tctx_node_from_submit(struct io_ring_ctx *ctx); |
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void io_uring_clean_tctx(struct io_uring_task *tctx); |
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void io_uring_unreg_ringfd(void); |
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int io_ringfd_register(struct io_ring_ctx *ctx, void __user *__arg, |
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unsigned nr_args); |
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int io_ringfd_unregister(struct io_ring_ctx *ctx, void __user *__arg, |
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unsigned nr_args); |
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/* |
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* Note that this task has used io_uring. We use it for cancelation purposes. |
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*/ |
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static inline int io_uring_add_tctx_node(struct io_ring_ctx *ctx) |
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{ |
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struct io_uring_task *tctx = current->io_uring; |
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if (likely(tctx && tctx->last == ctx)) |
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return 0; |
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return __io_uring_add_tctx_node_from_submit(ctx); |
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}
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