> > On Mon, 06 Mar 2000, Alexander Viro wrote:
> > > On Mon, 6 Mar 2000, Amit S. Kale wrote:
> > >
> > > > Hi,
> > > > mount on an open directory succeeds.
> > >
> > > Yes, it does. WTF makes you think that it's a bug?
> >
> > If allowing mount on open directory is correct, readdir and lookup on
> > mountpoint should have consistency. As I had pointed out:
>
> They have. ls(1) is buggy, that's it. If you want the listing of "." -
> fine, open ".", but then you must care to call stat() on ./name. Yes,
> there is no way to open the mountpoint. So?
so it breaks the assumption that . == pwd.
$ ls
foo bar
$ cat foo
foo: no such file or directory
$ cat ./foo
FOO
$
cat foo ought to have worked. anything else is a gross violation of the least
surprise principle, if not any actual standard.
ganesh
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