blob: 766fcd973bebac518cfd57eaa0c7c7bbf224e8ca (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_FCNTL_H
#define _LINUX_FCNTL_H
#include <linux/stat.h>
#include <uapi/linux/fcntl.h>
/* List of all valid flags for the open/openat flags argument: */
#define VALID_OPEN_FLAGS \
(O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \
O_APPEND | O_NDELAY | O_NONBLOCK | __O_SYNC | O_DSYNC | \
FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \
O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE)
/* List of all valid flags for the how->upgrade_mask argument: */
#define VALID_UPGRADE_FLAGS \
(UPGRADE_NOWRITE | UPGRADE_NOREAD)
/* List of all valid flags for the how->resolve argument: */
#define VALID_RESOLVE_FLAGS \
(RESOLVE_NO_XDEV | RESOLVE_NO_MAGICLINKS | RESOLVE_NO_SYMLINKS | \
RESOLVE_BENEATH | RESOLVE_IN_ROOT | RESOLVE_CACHED)
/* List of all open_how "versions". */
#define OPEN_HOW_SIZE_VER0 24 /* sizeof first published struct */
#define OPEN_HOW_SIZE_LATEST OPEN_HOW_SIZE_VER0
#ifndef force_o_largefile
#define force_o_largefile() (!IS_ENABLED(CONFIG_ARCH_32BIT_OFF_T))
#endif
#if BITS_PER_LONG == 32
#define IS_GETLK32(cmd) ((cmd) == F_GETLK)
#define IS_SETLK32(cmd) ((cmd) == F_SETLK)
#define IS_SETLKW32(cmd) ((cmd) == F_SETLKW)
#define IS_GETLK64(cmd) ((cmd) == F_GETLK64)
#define IS_SETLK64(cmd) ((cmd) == F_SETLK64)
#define IS_SETLKW64(cmd) ((cmd) == F_SETLKW64)
#else
#define IS_GETLK32(cmd) (0)
#define IS_SETLK32(cmd) (0)
#define IS_SETLKW32(cmd) (0)
#define IS_GETLK64(cmd) ((cmd) == F_GETLK)
#define IS_SETLK64(cmd) ((cmd) == F_SETLK)
#define IS_SETLKW64(cmd) ((cmd) == F_SETLKW)
#endif /* BITS_PER_LONG == 32 */
#define IS_GETLK(cmd) (IS_GETLK32(cmd) || IS_GETLK64(cmd))
#define IS_SETLK(cmd) (IS_SETLK32(cmd) || IS_SETLK64(cmd))
#define IS_SETLKW(cmd) (IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
#endif
|
