On Thu, Mar 15, 2007 at 02:20:25AM +0100, Jan Engelhardt wrote:
> Why is EXDEV returned when _vfs mountpoints_ are crossed? Should not it
> be more like the following?
>
> error = -EXDEV;
> if (oldnd.mnt->mnt_sb != newnd.mnt->mnt_sb)
> goto exit2;
>
No. This is absolutely deliberate - mountpoint creates a boundary and
such boundaries are very useful for restricting modifications of filesystem.
IOW, it's not a bug and it applies to other operations as well (link(), for
example).
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