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- /* 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
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