[mirror_ubuntu-artful-kernel.git] / include / linux / aio.h

#ifndef __LINUX__AIO_H
#define __LINUX__AIO_H

#include <linux/aio_abi.h>

struct kioctx;
struct kiocb;
struct mm_struct;

#define KIOCB_KEY		0

typedef int (kiocb_cancel_fn)(struct kiocb *);

/* prototypes */
#ifdef CONFIG_AIO
extern void exit_aio(struct mm_struct *mm);
void kiocb_set_cancel_fn(struct kiocb *req, kiocb_cancel_fn *cancel);
#else
static inline void exit_aio(struct mm_struct *mm) { }
static inline void kiocb_set_cancel_fn(struct kiocb *req,
				       kiocb_cancel_fn *cancel) { }
#endif /* CONFIG_AIO */

/* for sysctl: */
extern unsigned long aio_nr;
extern unsigned long aio_max_nr;

#endif /* __LINUX__AIO_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __LINUX__AIO_H
	2	#define __LINUX__AIO_H
	3
1da177e4	4	#include <linux/aio_abi.h>
1da177e4	5
1da177e4	6	struct kioctx;
0460fef2	7	struct kiocb;
e2e40f2c	8	struct mm_struct;
1da177e4	9
8a660890	10	#define KIOCB_KEY 0
1da177e4	11
bec68faa	12	typedef int (kiocb_cancel_fn)(struct kiocb *);
1da177e4	13
1da177e4	14	/* prototypes */
ebf3f09c	15	#ifdef CONFIG_AIO
b3c97528	16	extern void exit_aio(struct mm_struct *mm);
0460fef2	17	void kiocb_set_cancel_fn(struct kiocb req, kiocb_cancel_fn cancel);
ebf3f09c	18	#else
ebf3f09c	19	static inline void exit_aio(struct mm_struct *mm) { }
0460fef2 KO	20	static inline void kiocb_set_cancel_fn(struct kiocb *req,
0460fef2 KO	21	kiocb_cancel_fn *cancel) { }
ebf3f09c	22	#endif /* CONFIG_AIO */
1da177e4	23
1da177e4	24	/* for sysctl: */
d55b5fda ZB	25	extern unsigned long aio_nr;
d55b5fda ZB	26	extern unsigned long aio_max_nr;
1da177e4 LT	27
1da177e4 LT	28	#endif /* __LINUX__AIO_H */