[tahoe-lafs-trac-stream] [tahoe-lafs] #1526: make sure the new MDMF extension field is forward-compatible and safe

[tahoe-lafs]

#1526: make sure the new MDMF extension field is forward-compatible and safe
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     Reporter:  zooko    |      Owner:
         Type:  defect   |     Status:  new
     Priority:           |  Milestone:  1.9.0
  critical               |    Version:  1.9.0a1
    Component:  code-    |   Keywords:  forward-compatibility mdmf design-
  mutable                |  review-needed
   Resolution:           |
Launchpad Bug:           |
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Comment (by davidsarah):

 Current trunk does put K and segsize into the extension field when
 generating caps ([source:src/allmydata/mutable/filenode.py at 5227#L702]).

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Ticket URL: <http://tahoe-lafs.org/trac/tahoe-lafs/ticket/1526#comment:1>
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