> > And I'm not against doing it with the "at*" variants, as Trond
quoted text
> > suggested.
> 
> If you're going to change the syscall, then you should ensure that it
> solves _all_ the problems that are known at this time. Ignoring the
> automounter issue is just going to force us to redo the syscall in a
> couple of months...

Sure.

Although, an (almost) equivalent userspace code would be:

mount_fooat(int fd, const char *path)
{
	char tmpbuf[64];
	int tmpfd = openat(fd, path);

	sprintf(tmpbuf, "/proc/self/fd/%i", tmpfd);
	return mount_foo(tmpbuf, ...);
}

Or is there something (other than not requiring proc) that the *at
variant gives?

Miklos

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