Release 4.12 include/linux/fcntl.h

#ifndef _LINUX_FCNTL_H

#define _LINUX_FCNTL_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_NDELAY | __O_SYNC | O_DSYNC | \
         FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \
         O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE)

#ifndef force_o_largefile

#define force_o_largefile() (BITS_PER_LONG != 32)
#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
Overall Contributors
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Linus Torvalds
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1
14.29%
Yoav Zach
10
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1
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Linus Torvalds (pre-git)
8
5.63%
3
42.86%
Christoph Hellwig
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David Howells
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1
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7
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Directory: include/linux

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