On Mon, Jan 27, 2014 at 07:15:23PM +0100, Kay Sievers wrote:
> On Mon, Jan 27, 2014 at 6:27 PM, Zbigniew Jędrzejewski-Szmek
> <[email protected]> wrote:
> > On Mon, Jan 27, 2014 at 05:57:56PM +0100, Kay Sievers wrote:
>
> >> Can we expect open(O_TMPFILE) to fail on kernels which do not support it?
>
> >> I guess they will just silently ignore it? Then we never unlink?
>
> > No, it is supposed to fail properly if it doesn't work. The flags were
> > changed to be incompatible with old kernels. We should probably have a
> > unit test for that. I have a small utility I was using for tests, I'll
> > dig it up.
>
> Oh, any idea how this works? I couldn't see any kernel code that
> checks for currently unused flags and fails.
open("/tmp", O_TMPFILE|O_RDWR, S_IRUSR | S_IWUSR)
returns -1, errno=EISDIR on Linux 3.9.
Zbyszek
_______________________________________________
systemd-devel mailing list
[email protected]
http://lists.freedesktop.org/mailman/listinfo/systemd-devel
