linux/io_uring/futex.h
Jens Axboe f03baece08 io_uring: move cancelations to be io_uring_task based
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>
2024-11-06 13:55:38 -07:00

38 lines
1.2 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include "cancel.h"
int io_futex_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_futexv_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_futex_wait(struct io_kiocb *req, unsigned int issue_flags);
int io_futexv_wait(struct io_kiocb *req, unsigned int issue_flags);
int io_futex_wake(struct io_kiocb *req, unsigned int issue_flags);
#if defined(CONFIG_FUTEX)
int io_futex_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd,
unsigned int issue_flags);
bool io_futex_remove_all(struct io_ring_ctx *ctx, struct io_uring_task *tctx,
bool cancel_all);
bool io_futex_cache_init(struct io_ring_ctx *ctx);
void io_futex_cache_free(struct io_ring_ctx *ctx);
#else
static inline int io_futex_cancel(struct io_ring_ctx *ctx,
struct io_cancel_data *cd,
unsigned int issue_flags)
{
return 0;
}
static inline bool io_futex_remove_all(struct io_ring_ctx *ctx,
struct io_uring_task *tctx, bool cancel_all)
{
return false;
}
static inline bool io_futex_cache_init(struct io_ring_ctx *ctx)
{
return false;
}
static inline void io_futex_cache_free(struct io_ring_ctx *ctx)
{
}
#endif