6 /* Cancel a blocking posix lock; internal use only until we expose an
7 * asynchronous lock api to userspace: */
8 #define F_CANCELLK (F_LINUX_SPECIFIC_BASE+5)
10 #define F_SETLEASE (F_LINUX_SPECIFIC_BASE+0)
11 #define F_GETLEASE (F_LINUX_SPECIFIC_BASE+1)
14 * Request nofications on a directory.
15 * See below for events that may be notified.
17 #define F_NOTIFY (F_LINUX_SPECIFIC_BASE+2)
20 * Types of directory notifications that may be requested.
22 #define DN_ACCESS 0x00000001 /* File accessed */
23 #define DN_MODIFY 0x00000002 /* File modified */
24 #define DN_CREATE 0x00000004 /* File created */
25 #define DN_DELETE 0x00000008 /* File removed */
26 #define DN_RENAME 0x00000010 /* File renamed */
27 #define DN_ATTRIB 0x00000020 /* File changed attibutes */
28 #define DN_MULTISHOT 0x80000000 /* Don't remove notifier */
30 #define AT_FDCWD -100 /* Special value used to indicate
31 openat should use the current
33 #define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */
34 #define AT_REMOVEDIR 0x200 /* Remove directory instead of
36 #define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */
40 #ifndef force_o_largefile
41 #define force_o_largefile() (BITS_PER_LONG != 32)
44 #if BITS_PER_LONG == 32
45 #define IS_GETLK32(cmd) ((cmd) == F_GETLK)
46 #define IS_SETLK32(cmd) ((cmd) == F_SETLK)
47 #define IS_SETLKW32(cmd) ((cmd) == F_SETLKW)
48 #define IS_GETLK64(cmd) ((cmd) == F_GETLK64)
49 #define IS_SETLK64(cmd) ((cmd) == F_SETLK64)
50 #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW64)
52 #define IS_GETLK32(cmd) (0)
53 #define IS_SETLK32(cmd) (0)
54 #define IS_SETLKW32(cmd) (0)
55 #define IS_GETLK64(cmd) ((cmd) == F_GETLK)
56 #define IS_SETLK64(cmd) ((cmd) == F_SETLK)
57 #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW)
58 #endif /* BITS_PER_LONG == 32 */
60 #define IS_GETLK(cmd) (IS_GETLK32(cmd) || IS_GETLK64(cmd))
61 #define IS_SETLK(cmd) (IS_SETLK32(cmd) || IS_SETLK64(cmd))
62 #define IS_SETLKW(cmd) (IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
64 #endif /* __KERNEL__ */