1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 21da177e4SLinus Torvalds #ifndef _LINUX_FCNTL_H 31da177e4SLinus Torvalds #define _LINUX_FCNTL_H 41da177e4SLinus Torvalds 5fddb5d43SAleksa Sarai #include <linux/stat.h> 6607ca46eSDavid Howells #include <uapi/linux/fcntl.h> 71da177e4SLinus Torvalds 8fddb5d43SAleksa Sarai /* List of all valid flags for the open/openat flags argument: */ 980f18379SChristoph Hellwig #define VALID_OPEN_FLAGS \ 1080f18379SChristoph Hellwig (O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \ 11aabf5943SKrzysztof Wilczyński O_APPEND | O_NDELAY | O_NONBLOCK | __O_SYNC | O_DSYNC | \ 1280f18379SChristoph Hellwig FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \ 1380f18379SChristoph Hellwig O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE) 141da177e4SLinus Torvalds 15fddb5d43SAleksa Sarai /* List of all valid flags for the how->resolve argument: */ 16fddb5d43SAleksa Sarai #define VALID_RESOLVE_FLAGS \ 17fddb5d43SAleksa Sarai (RESOLVE_NO_XDEV | RESOLVE_NO_MAGICLINKS | RESOLVE_NO_SYMLINKS | \ 18*99668f61SJens Axboe RESOLVE_BENEATH | RESOLVE_IN_ROOT | RESOLVE_CACHED) 19fddb5d43SAleksa Sarai 20fddb5d43SAleksa Sarai /* List of all open_how "versions". */ 21fddb5d43SAleksa Sarai #define OPEN_HOW_SIZE_VER0 24 /* sizeof first published struct */ 22fddb5d43SAleksa Sarai #define OPEN_HOW_SIZE_LATEST OPEN_HOW_SIZE_VER0 23fddb5d43SAleksa Sarai 24ef3daedaSYoav Zach #ifndef force_o_largefile 25942fa985SYury Norov #define force_o_largefile() (!IS_ENABLED(CONFIG_ARCH_32BIT_OFF_T)) 26ef3daedaSYoav Zach #endif 27ef3daedaSYoav Zach 281da177e4SLinus Torvalds #if BITS_PER_LONG == 32 291da177e4SLinus Torvalds #define IS_GETLK32(cmd) ((cmd) == F_GETLK) 301da177e4SLinus Torvalds #define IS_SETLK32(cmd) ((cmd) == F_SETLK) 311da177e4SLinus Torvalds #define IS_SETLKW32(cmd) ((cmd) == F_SETLKW) 321da177e4SLinus Torvalds #define IS_GETLK64(cmd) ((cmd) == F_GETLK64) 331da177e4SLinus Torvalds #define IS_SETLK64(cmd) ((cmd) == F_SETLK64) 341da177e4SLinus Torvalds #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW64) 351da177e4SLinus Torvalds #else 361da177e4SLinus Torvalds #define IS_GETLK32(cmd) (0) 371da177e4SLinus Torvalds #define IS_SETLK32(cmd) (0) 381da177e4SLinus Torvalds #define IS_SETLKW32(cmd) (0) 391da177e4SLinus Torvalds #define IS_GETLK64(cmd) ((cmd) == F_GETLK) 401da177e4SLinus Torvalds #define IS_SETLK64(cmd) ((cmd) == F_SETLK) 411da177e4SLinus Torvalds #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW) 421da177e4SLinus Torvalds #endif /* BITS_PER_LONG == 32 */ 431da177e4SLinus Torvalds 441da177e4SLinus Torvalds #define IS_GETLK(cmd) (IS_GETLK32(cmd) || IS_GETLK64(cmd)) 451da177e4SLinus Torvalds #define IS_SETLK(cmd) (IS_SETLK32(cmd) || IS_SETLK64(cmd)) 461da177e4SLinus Torvalds #define IS_SETLKW(cmd) (IS_SETLKW32(cmd) || IS_SETLKW64(cmd)) 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds #endif 49