On Tue, Jul 23, 2013 at 07:51:41AM +0000, jon ernst wrote:
> Hi Zheng,
>
> I updated my kernel code to this commit, built kernel and loaded this kernel.
> I checked "uname -r", it is 3.11.0-rc1+ But when I run your test code,
> I always got "O_TMPFILE" undeclared.
> Could you please help, what could be wrong? (I included fcntl.h)
Ah, actually I used the following program to hit the bug. Just for your
information. Please let me know if you have any question.
Regards,
- Zheng
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#define __O_TMPFILE 020000000
#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
int main(int argc, char *argv[])
{
int fd;
fd = open(argv[1], O_RDWR|O_TMPFILE);
if (fd < 0) {
perror("open ");
return -1;
}
close(fd);
return 0;
}
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