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