/*
* task_work compatibility defines and inlines
* Copyright (C) 2012 Red Hat Inc.
*
* This file is part of systemtap, and is free software. You can
* redistribute it and/or modify it under the terms of the GNU General
* Public License (GPL); either version 2, or (at your option) any
* later version.
*/
#ifndef _TASK_WORK_COMPATIBILITY_H_
#define _TASK_WORK_COMPATIBILITY_H_
#include <linux/task_work.h>
/*
* Define all the old task_work stuff in terms of the new
* interface/names - except for the name of the structure
* itself. Originally the task_work stuff had a custom structure,
* called 'struct task_work'. The new interface uses a common
* structure, 'struct callback_head'. If we define 'callback_head' to
* be a 'task_work', then we could never use the common structure on
* systems with the old interface.
*/
#ifdef STAPCONF_TASK_WORK_STRUCT
static inline void
stp_init_task_work(struct task_work *twork, task_work_func_t func)
{
init_task_work(twork, func, NULL);
}
#else /* !STAPCONF_TASK_WORK_STRUCT */
#define task_work callback_head
static inline void
stp_init_task_work(struct task_work *twork, task_work_func_t func)
{
init_task_work(twork, func);
}
#endif /* !STAPCONF_TASK_WORK_STRUCT */
#endif /* _TASK_WORK_COMPATIBILITY_H_ */
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