1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LINUX_FCNTL_H 3 #define _LINUX_FCNTL_H 4 5 #include <uapi/linux/fcntl.h> 6 7 /* list of all valid flags for the open/openat flags argument: */ 8 #define VALID_OPEN_FLAGS \ 9 (O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \ 10 O_APPEND | O_NDELAY | O_NONBLOCK | O_NDELAY | __O_SYNC | O_DSYNC | \ 11 FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \ 12 O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE) 13 14 #ifndef force_o_largefile 15 #define force_o_largefile() (!IS_ENABLED(CONFIG_ARCH_32BIT_OFF_T)) 16 #endif 17 18 #if BITS_PER_LONG == 32 19 #define IS_GETLK32(cmd) ((cmd) == F_GETLK) 20 #define IS_SETLK32(cmd) ((cmd) == F_SETLK) 21 #define IS_SETLKW32(cmd) ((cmd) == F_SETLKW) 22 #define IS_GETLK64(cmd) ((cmd) == F_GETLK64) 23 #define IS_SETLK64(cmd) ((cmd) == F_SETLK64) 24 #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW64) 25 #else 26 #define IS_GETLK32(cmd) (0) 27 #define IS_SETLK32(cmd) (0) 28 #define IS_SETLKW32(cmd) (0) 29 #define IS_GETLK64(cmd) ((cmd) == F_GETLK) 30 #define IS_SETLK64(cmd) ((cmd) == F_SETLK) 31 #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW) 32 #endif /* BITS_PER_LONG == 32 */ 33 34 #define IS_GETLK(cmd) (IS_GETLK32(cmd) || IS_GETLK64(cmd)) 35 #define IS_SETLK(cmd) (IS_SETLK32(cmd) || IS_SETLK64(cmd)) 36 #define IS_SETLKW(cmd) (IS_SETLKW32(cmd) || IS_SETLKW64(cmd)) 37 38 #endif 39