LXR linux/include/linux/aio.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __LINUX__AIO_H
   3#define __LINUX__AIO_H
   4
   5#include <linux/aio_abi.h>
   6
   7struct kioctx;
   8struct kiocb;
   9struct mm_struct;
  10
  11#define KIOCB_KEY               0
  12
  13typedef int (kiocb_cancel_fn)(struct kiocb *);
  14
  15/* prototypes */
  16#ifdef CONFIG_AIO
  17extern void exit_aio(struct mm_struct *mm);
  18void kiocb_set_cancel_fn(struct kiocb *req, kiocb_cancel_fn *cancel);
  19#else
  20static inline void exit_aio(struct mm_struct *mm) { }
  21static inline void kiocb_set_cancel_fn(struct kiocb *req,
  22                                       kiocb_cancel_fn *cancel) { }
  23#endif /* CONFIG_AIO */
  24
  25/* for sysctl: */
  26extern unsigned long aio_nr;
  27extern unsigned long aio_max_nr;
  28
  29#endif /* __LINUX__AIO_H */
  30