diff options
Diffstat (limited to 'kernel/include/linux/aio.h')
| -rw-r--r-- | kernel/include/linux/aio.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/include/linux/aio.h b/kernel/include/linux/aio.h new file mode 100644 index 000000000..9eb42dbc5 --- /dev/null +++ b/kernel/include/linux/aio.h @@ -0,0 +1,33 @@ +#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); +extern long do_io_submit(aio_context_t ctx_id, long nr, + struct iocb __user *__user *iocbpp, bool compat); +void kiocb_set_cancel_fn(struct kiocb *req, kiocb_cancel_fn *cancel); +#else +static inline void exit_aio(struct mm_struct *mm) { } +static inline long do_io_submit(aio_context_t ctx_id, long nr, + struct iocb __user * __user *iocbpp, + bool compat) { return 0; } +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 */ |