K 10 svn:author V 7 attilio K 8 svn:date V 27 2008-05-25T14:57:43.000000Z K 7 svn:log V 239 Replace direct atomic operation for the file refcount witht the refcount interface. It also introduces the correct usage of memory barriers, as sometimes fdrop() and fhold() are used with shared locks, which don't use any release barrier. END