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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _LINUX_IO_URING_H
#define _LINUX_IO_URING_H
#include <linux/sched.h>
#include <linux/xarray.h>
#include <linux/percpu-refcount.h>
struct io_uring_task {
/* submission side */
struct xarray xa;
struct wait_queue_head wait;
struct file *last;
atomic_long_t req_issue;
/* completion side */
bool in_idle ____cacheline_aligned_in_smp;
atomic_long_t req_complete;
};
#if defined(CONFIG_IO_URING)
void __io_uring_task_cancel(void);
void __io_uring_files_cancel(struct files_struct *files);
void __io_uring_free(struct task_struct *tsk);
static inline void io_uring_task_cancel(void)
{
if (current->io_uring && !xa_empty(¤t->io_uring->xa))
__io_uring_task_cancel();
}
static inline void io_uring_files_cancel(struct files_struct *files)
{
if (current->io_uring && !xa_empty(¤t->io_uring->xa))
__io_uring_files_cancel(files);
}
static inline void io_uring_free(struct task_struct *tsk)
{
if (tsk->io_uring)
__io_uring_free(tsk);
}
#else
static inline void io_uring_task_cancel(void)
{
}
static inline void io_uring_files_cancel(struct files_struct *files)
{
}
static inline void io_uring_free(struct task_struct *tsk)
{
}
#endif
#endif