On Thu, Oct 30, 2014 at 3:48 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> Agreed. Will apply and add the stable cc.
Ho humm. Thinking about this some more, I'm starting to wonder. Not
about this patch per se (open on a newly created file should indeed
succeed regardless), but about the horrible glibc behavior of screwing
up the third argument.
If you want to do O_TMPFILE + linkat() (or some eventual future
flink()), the mode really matters. So this idiotic glibc behavior of
only forwarding the third argument if O_CREAT is set seems to be a
bug.
Why the hell does glibc think it's a good idea to intersect system
call semantics? It's not a good idea - it's just stupid in the
extreme. And in this case it seems to actively breaks things.
Linus
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