Messages in this thread | | | Date | Wed, 13 Mar 2013 16:06:23 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 8/9] overlay: overlay filesystem documentation |
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On Wed, 13 Mar 2013 15:16:32 +0100 Miklos Szeredi <miklos@szeredi.hu> wrote:
> From: Neil Brown <neilb@suse.de> > > Document the overlay filesystem. >
Damn, I did it again. This is good, thanks.
> +Changes to the underlying filesystems while part of a mounted overlay > +filesystem are not allowed. If the underlying filesystem is changed, > +the behavior of the overlay is undefined, though it will not result in > +a crash or deadlock.
ah-hah, there it is. I was wondering how this can-o-worms would be handled ;)
Is there anything in place to enforce this at runtime? Checks for read-onlyness, code to prevent rw remounts, etc?
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