[Ocfs2-tools-devel] [PATCH 19/25] libocfs2: Add an incompat feature flag OCFS2_FEATURE_INCOMPAT_O2CB_STACK

[Joel Becker]

On Wed, Jun 23, 2010 at 11:44:29AM -0700, Sunil Mushran wrote:
> OCFS2_FEATURE_INCOMPAT_O2CB_STACK is set if o2cb cluster stack is active.
> This flag allows us to use the cluster_info fields in the super block store
> o2cb related info.
> 
> Like the userspace-stack incompat flag, this flag is set and cleared by using
> tunefs.ocfs2 --update-cluster-stack.
> 
> Signed-off-by: Sunil Mushran <sunil.mushran at oracle.com>

Do we worry that --update-cluster-stack will break other nodes in the
cluster that don't understand the incompat bit?

sob

Joel

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Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127