Correct printf format for pointers to avoid compilation warnings on alpha.
Correct printf format for pointers to avoid compilation warnings on
alpha.

Explicitly type large scalar parameters to avoid compilation warnings
on alpha.

Submitted-by:	      Bernd Walter <ticso@cicely.de>

Make better checks that the revive block size is valid, silently set
it to the defaults if not.

Replace block device macros with generalized device macros.

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