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Helga Velroyen authored
This patch factors out the functions in gnt_cluster (related to cluster init and cluster modify) which deal with setting / determining the drbd usermode helper to make them more testable. Unit tests for the extracted functions are provided as well. No function changes otherwise. Signed-off-by: Helga Velroyen <helgav@google.com> Reviewed-by: Thomas Thrainer <thomasth@google.com>
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