mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-20 03:04:01 +08:00
80f18379a7
Add a central define for all valid open flags, and use it in the uniqueness check. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
#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
|