1#ifndef _LINUX_FCNTL_H
2#define _LINUX_FCNTL_H
3
4#include <asm/fcntl.h>
5
6#define F_SETLEASE	(F_LINUX_SPECIFIC_BASE+0)
7#define F_GETLEASE	(F_LINUX_SPECIFIC_BASE+1)
8
9/*
10 * Request nofications on a directory.
11 * See below for events that may be notified.
12 */
13#define F_NOTIFY	(F_LINUX_SPECIFIC_BASE+2)
14
15/*
16 * Types of directory notifications that may be requested.
17 */
18#define DN_ACCESS	0x00000001	/* File accessed */
19#define DN_MODIFY	0x00000002	/* File modified */
20#define DN_CREATE	0x00000004	/* File created */
21#define DN_DELETE	0x00000008	/* File removed */
22#define DN_RENAME	0x00000010	/* File renamed */
23#define DN_ATTRIB	0x00000020	/* File changed attibutes */
24#define DN_MULTISHOT	0x80000000	/* Don't remove notifier */
25
26#define AT_FDCWD		-100    /* Special value used to indicate
27                                           openat should use the current
28                                           working directory. */
29#define AT_SYMLINK_NOFOLLOW	0x100   /* Do not follow symbolic links.  */
30#define AT_REMOVEDIR		0x200   /* Remove directory instead of
31                                           unlinking file.  */
32#define AT_SYMLINK_FOLLOW	0x400   /* Follow symbolic links.  */
33
34#ifdef __KERNEL__
35
36#ifndef force_o_largefile
37#define force_o_largefile() (BITS_PER_LONG != 32)
38#endif
39
40#if BITS_PER_LONG == 32
41#define IS_GETLK32(cmd)		((cmd) == F_GETLK)
42#define IS_SETLK32(cmd)		((cmd) == F_SETLK)
43#define IS_SETLKW32(cmd)	((cmd) == F_SETLKW)
44#define IS_GETLK64(cmd)		((cmd) == F_GETLK64)
45#define IS_SETLK64(cmd)		((cmd) == F_SETLK64)
46#define IS_SETLKW64(cmd)	((cmd) == F_SETLKW64)
47#else
48#define IS_GETLK32(cmd)		(0)
49#define IS_SETLK32(cmd)		(0)
50#define IS_SETLKW32(cmd)	(0)
51#define IS_GETLK64(cmd)		((cmd) == F_GETLK)
52#define IS_SETLK64(cmd)		((cmd) == F_SETLK)
53#define IS_SETLKW64(cmd)	((cmd) == F_SETLKW)
54#endif /* BITS_PER_LONG == 32 */
55
56#define IS_GETLK(cmd)	(IS_GETLK32(cmd)  || IS_GETLK64(cmd))
57#define IS_SETLK(cmd)	(IS_SETLK32(cmd)  || IS_SETLK64(cmd))
58#define IS_SETLKW(cmd)	(IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
59
60#endif /* __KERNEL__ */
61
62#endif
63