Al Viro <[email protected]> writes:
> From: Ram Pai <[email protected]>
> Date: 1131402080 -0500
>
> A unbindable mount does not forward or receive propagation. Also unbindable
> mount disallows bind mounts. The semantics is as follows.
>
> Bind semantics:
> Its invalid to bind mount a unbindable mount.
> Move semantics:
> Its invalid to move a unbindable mount under shared mount.
> Clone-namespace semantics:
> If a mount is unbindable in the parent namespace, the corresponding
> cloned mount in the child namespace becomes unbindable too. Note:
> there is subtle difference, unbindable mounts cannot be bind mounted
> but can be cloned during clone-namespace.
What is it good for?
Normally I would have expected that to be part of the description.
-Andi (slightly worried about all these different mount variants. Hopefully
you guys themselves can still keep them all in your heads)
-
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