On Thu, Oct 30, 2014 at 3:58 PM, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > 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. We could bite the bullet and add a tmpfile syscall. /me ducks > > 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. Uh, because it's glibc? Or because it's trying not to screw up and on some system where overrunning va_arg is terrible? > > Linus -- Andy Lutomirski AMA Capital Management, LLC -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
