4036 fix blkdev uninitialized return values (Makefile)
2933 compiler warning gags need better granularity Reviewed by: Eric Schrock <eric.schrock@delphix.com> Approved by: Garrett D'Amore <garrett@damore.org>
PSARC 2009/646 bd - generic block device driver PSARC 2009/648 sdcard conversion to bd, EOF blk2scsa 6952618 deliver blkdev (PSARC 2009/646)