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e70dbedb7b
This is a bit trickier than just dropping in a cw holders count. dlmglue was comparing levels by a simple greater than or less than check. Since CW locks are not compatible with PR or EX, this check breaks down. Instead we provide a function which can tell us whether a conversion to a given lock levels is is compatible (cache-wise) with the level we have. We also have some slightly more complicated logic in downconvert. As a result we update the helper that dlmglue uses to choose a downconvert level. Signed-off-by: Mark Fasheh <mfasheh@versity.com>