K 10 svn:author V 3 imp K 8 svn:date V 27 2006-07-07T23:30:14.000000Z K 7 svn:log V 294 MFC: phk's bus_{read,write}_* macros. These are slightly different than -current because rman is opaque in RELENG_6, but are 100% API compatible. If they prove to be too slow, we may be able to make rman non-opaque to mitigate it. This should help porting drivers from -current into -stable. END