Re: [RFC] shared subtrees

[J. Bruce Fields]

On Tue, Jan 25, 2005 at 04:47:04PM -0500, Mike Waychison wrote:
> Although Al hasn't explicitly defined the semantics for mount
> - --make-shared, I think the idea is that 'only' that mountpoint becomes
> tagged as shared (becomes a member of a p-node of size 1).

On Thu, Jan 13, 2005 at 10:18:51PM +0000, Al Viro wrote:
>	* we can mark a subtree sharable.  Every vfsmount in the subtree
> that is not already in some p-node gets a single-element p-node of its
> own.

Also, note that mount automatically sets up propagation that mirrors
that of the mounted on vfsmount, so by default new mounts anywhere in
the subtree will also be tagged as shared.

--b.
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