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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