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SubjectRe: [RFC][PATCH 1/5] create fs flag to mark c/r supported fs's
On Thu, Feb 19, 2009 at 10:20:07AM -0800, Dave Hansen wrote:
>
> There are plenty of filesystems that are not supported for
> c/r at this point. Think of things like hugetlbfs which
> are externally visible or pipefs which are kernel-internal.
>
> This provides a quick way to make the "normal" filesystems
> which are currently supported. This is also safe if any
> new code gets added. We assume that a fs is non-supported
> unless someone takes explicit action to the contrary.
>
> I bet there are some more filesystems that are OK, but
> these probably cover 99% of the users for now.

Given that a normal fs should be checkpointable you should
make those exposing internal state, not the other way around.



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