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Safer ABI for O_TMPFILE

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[suggested by Rasmus Villemoes] make O_DIRECTORY | O_RDWR part of O_TMPFILE;
that will fail on old kernels in a lot more cases than what I came up with.
And make sure O_CREAT doesn't get there...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-07-13 13:26:37 +04:00
commit bb458c644a
6 changed files with 12 additions and 8 deletions
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2
arch/alpha/include/uapi/asm/fcntl.h
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@ -32,7 +32,7 @@
#define O_SYNC (__O_SYNC|O_DSYNC)
#define O_PATH 040000000
#define O_TMPFILE 0100000000
#define __O_TMPFILE 0100000000
#define F_GETLK 7
#define F_SETLK 8