| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | #ifndef __LINUX__AIO_H |
| 3 | #define __LINUX__AIO_H | ||||
| 4 | |||||
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | #include <linux/aio_abi.h> |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | struct kioctx; |
| Kent Overstreet | 0460fef | 2013-05-07 16:18:49 -0700 | [diff] [blame] | 8 | struct kiocb; |
| Christoph Hellwig | e2e40f2 | 2015-02-22 08:58:50 -0800 | [diff] [blame] | 9 | struct mm_struct; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | |
| Kent Overstreet | 8a66089 | 2013-05-07 16:19:10 -0700 | [diff] [blame] | 11 | #define KIOCB_KEY 0 |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | |
| Kent Overstreet | bec68faa | 2013-05-13 14:45:08 -0700 | [diff] [blame] | 13 | typedef int (kiocb_cancel_fn)(struct kiocb *); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | /* prototypes */ |
| Thomas Petazzoni | ebf3f09 | 2008-10-15 22:05:12 -0700 | [diff] [blame] | 16 | #ifdef CONFIG_AIO |
| Harvey Harrison | b3c9752 | 2008-02-13 15:03:15 -0800 | [diff] [blame] | 17 | extern void exit_aio(struct mm_struct *mm); |
| Kent Overstreet | 0460fef | 2013-05-07 16:18:49 -0700 | [diff] [blame] | 18 | void kiocb_set_cancel_fn(struct kiocb *req, kiocb_cancel_fn *cancel); |
| Thomas Petazzoni | ebf3f09 | 2008-10-15 22:05:12 -0700 | [diff] [blame] | 19 | #else |
| Thomas Petazzoni | ebf3f09 | 2008-10-15 22:05:12 -0700 | [diff] [blame] | 20 | static inline void exit_aio(struct mm_struct *mm) { } |
| Kent Overstreet | 0460fef | 2013-05-07 16:18:49 -0700 | [diff] [blame] | 21 | static inline void kiocb_set_cancel_fn(struct kiocb *req, |
| 22 | kiocb_cancel_fn *cancel) { } | ||||
| Thomas Petazzoni | ebf3f09 | 2008-10-15 22:05:12 -0700 | [diff] [blame] | 23 | #endif /* CONFIG_AIO */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | /* for sysctl: */ |
| Zach Brown | d55b5fd | 2005-11-07 00:59:31 -0800 | [diff] [blame] | 26 | extern unsigned long aio_nr; |
| 27 | extern unsigned long aio_max_nr; | ||||
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
| 29 | #endif /* __LINUX__AIO_H */ | ||||