Messages in this thread |  | | Date | Thu, 16 Nov 2000 18:10:59 -0500 (EST) | From | Alexander Viro <> | Subject | Re: [BUG] Inconsistent behaviour of rmdir |
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On 16 Nov 2000, H. Peter Anvin wrote:
[hardlinks on directories]
> I don't believe it's inherently impossible in Linux anymore. In fact,
Yes, it is. bindings are asymmetrical. And that's the reason why they work while links to directories do not.
> vfsbinds provide a lot of the same kind of functionality; the main > difference between vfsbinds and hard links are that the former (a) can > cross filesystem boundaries and (b) aren't persistent.
Here's one more: you can't rename across the binding boundary. They _are_ mounts, so they avoid all that crap with loop creation on rename, etc. Take a generic DAG and try to implement rename() analog on it. Have fun catching the cases that would make the graph disconnected.
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