include/linux/aio.h

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