49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
|
/* 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->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
|