xref: /linux-6.15/include/linux/fcntl.h (revision ef3daeda)
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 #ifdef __KERNEL__
27 
28 #ifndef force_o_largefile
29 #define force_o_largefile() (BITS_PER_LONG != 32)
30 #endif
31 
32 #if BITS_PER_LONG == 32
33 #define IS_GETLK32(cmd)		((cmd) == F_GETLK)
34 #define IS_SETLK32(cmd)		((cmd) == F_SETLK)
35 #define IS_SETLKW32(cmd)	((cmd) == F_SETLKW)
36 #define IS_GETLK64(cmd)		((cmd) == F_GETLK64)
37 #define IS_SETLK64(cmd)		((cmd) == F_SETLK64)
38 #define IS_SETLKW64(cmd)	((cmd) == F_SETLKW64)
39 #else
40 #define IS_GETLK32(cmd)		(0)
41 #define IS_SETLK32(cmd)		(0)
42 #define IS_SETLKW32(cmd)	(0)
43 #define IS_GETLK64(cmd)		((cmd) == F_GETLK)
44 #define IS_SETLK64(cmd)		((cmd) == F_SETLK)
45 #define IS_SETLKW64(cmd)	((cmd) == F_SETLKW)
46 #endif /* BITS_PER_LONG == 32 */
47 
48 #define IS_GETLK(cmd)	(IS_GETLK32(cmd)  || IS_GETLK64(cmd))
49 #define IS_SETLK(cmd)	(IS_SETLK32(cmd)  || IS_SETLK64(cmd))
50 #define IS_SETLKW(cmd)	(IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
51 
52 #endif /* __KERNEL__ */
53 
54 #endif
55