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SubjectRe: [RFC] shared subtrees
On Mon, Jan 17, 2005 at 02:30:27PM -0500, Mike Waychison wrote:
> Well, if I understand it correctly:
> (assuming /foo is vfsmount A)
> $> mount --make-shared /foo
> will make A->A
> $> mount --bind /foo /foo/bar
> will create a vfsmount B based off A, but because A is in a p-node,
> A->B, B->A.
> Then, we attach B to A in the vfsmount tree, but because A->B in the
> propagation tree, B also gets a vfsmount C added on dentry 'bar'.
> Recurse ad infinitum.
> Make sense?

Yes, but couldn't the whole thing be avoided if we just agreed that the
propagation wasn't set up till after B was attached to A?

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