K 10 svn:author V 3 mux K 8 svn:date V 27 2003-03-20T19:45:26.000000Z K 7 svn:log V 269 Use atomic operations to increment and decrement the refcount in busdma tags. There are currently no tags shared accross different drivers so this isn't needed at the moment, but it will be required when we'll have a proper newbus method to get the parent busdma tag. END