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-rw-r--r--include/linux/sched.h2
-rw-r--r--include/linux/task_work.h14
-rw-r--r--include/linux/types.h9
3 files changed, 10 insertions, 15 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index b9216ebc2789..af3555cc760f 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1405,7 +1405,7 @@ struct task_struct {
int (*notifier)(void *priv);
void *notifier_data;
sigset_t *notifier_mask;
- void *task_works;
+ struct callback_head *task_works;
struct audit_context *audit_context;
#ifdef CONFIG_AUDITSYSCALL
diff --git a/include/linux/task_work.h b/include/linux/task_work.h
index 3b3e2c8d037b..fb46b03b1852 100644
--- a/include/linux/task_work.h
+++ b/include/linux/task_work.h
@@ -4,22 +4,16 @@
#include <linux/list.h>
#include <linux/sched.h>
-struct task_work;
-typedef void (*task_work_func_t)(struct task_work *);
-
-struct task_work {
- struct task_work *next;
- task_work_func_t func;
-};
+typedef void (*task_work_func_t)(struct callback_head *);
static inline void
-init_task_work(struct task_work *twork, task_work_func_t func)
+init_task_work(struct callback_head *twork, task_work_func_t func)
{
twork->func = func;
}
-int task_work_add(struct task_struct *task, struct task_work *twork, bool);
-struct task_work *task_work_cancel(struct task_struct *, task_work_func_t);
+int task_work_add(struct task_struct *task, struct callback_head *twork, bool);
+struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t);
void task_work_run(void);
static inline void exit_task_work(struct task_struct *task)
diff --git a/include/linux/types.h b/include/linux/types.h
index 9c1bd539ea70..bf0dd7524b2a 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -246,14 +246,15 @@ struct ustat {
};
/**
- * struct rcu_head - callback structure for use with RCU
+ * struct callback_head - callback structure for use with RCU and task_work
* @next: next update requests in a list
* @func: actual update function to call after the grace period.
*/
-struct rcu_head {
- struct rcu_head *next;
- void (*func)(struct rcu_head *head);
+struct callback_head {
+ struct callback_head *next;
+ void (*func)(struct callback_head *head);
};
+#define rcu_head callback_head
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */