rbd: do a few checks at build time
authorAlex Elder <elder@dreamhost.com>
Thu, 2 Feb 2012 14:13:30 +0000 (08:13 -0600)
committerAlex Elder <elder@dreamhost.com>
Thu, 22 Mar 2012 15:47:49 +0000 (10:47 -0500)
This is a bit gratuitous, but there are a few things that can be
verified at build time rather than run time, so do that.

Signed-off-by: Alex Elder <elder@dreamhost.com>
drivers/block/rbd.c

Simple merge