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f03baece08
Right now the task_struct pointer is used as the key to match a task, but in preparation for some io_kiocb changes, move it to using struct io_uring_task instead. No functional changes intended in this patch. Signed-off-by: Jens Axboe <axboe@kernel.dk>
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "cancel.h"
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int io_futex_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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int io_futexv_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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int io_futex_wait(struct io_kiocb *req, unsigned int issue_flags);
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int io_futexv_wait(struct io_kiocb *req, unsigned int issue_flags);
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int io_futex_wake(struct io_kiocb *req, unsigned int issue_flags);
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#if defined(CONFIG_FUTEX)
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int io_futex_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd,
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unsigned int issue_flags);
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bool io_futex_remove_all(struct io_ring_ctx *ctx, struct io_uring_task *tctx,
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bool cancel_all);
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bool io_futex_cache_init(struct io_ring_ctx *ctx);
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void io_futex_cache_free(struct io_ring_ctx *ctx);
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#else
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static inline int io_futex_cancel(struct io_ring_ctx *ctx,
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struct io_cancel_data *cd,
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unsigned int issue_flags)
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{
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return 0;
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}
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static inline bool io_futex_remove_all(struct io_ring_ctx *ctx,
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struct io_uring_task *tctx, bool cancel_all)
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{
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return false;
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}
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static inline bool io_futex_cache_init(struct io_ring_ctx *ctx)
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{
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return false;
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}
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static inline void io_futex_cache_free(struct io_ring_ctx *ctx)
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{
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}
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#endif
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