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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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