Comment 73 for bug 506798

(In reply to comment #50)
> The trivial workaround here is to probably use stat() instead of lstat() here
> (-L option to the stat program), but I imagine that won't be suitable?

Yep, this suppresses the bug as well as du -L in the original bug report. But we get a different result, so it's really not suitable.

> How to fix this? I don't think there is a way to do so without triggering a
> submount even when we don't want to follow symlinks.

I think this *should* be fixed since it breaks one of the basic axioms about VFS.

> That's going to be very costly for performance in many cases (if it's even
> reasonably doable). Imagine cd'ing into a directory that has a 1000 exported
> filesystems under it. Simply doing a readdir() in there is going to make the
> client spawn 1000 new mounts.

No chance to get unique dev/ino pairs without triggering the mount first?