K 10 svn:author V 4 jeff K 8 svn:date V 27 2010-07-29T02:05:06.290300Z K 7 svn:log V 229 - Use correct types for 'mask'. - Define non-long ffs/fls macros. - Correct set/clr bit offsets. - Add bitmap_empty(). - Use howmany and not roundup2 in BITS_TO_LONGS. Sponsored by: Isilon Systems, iX Systems, and Panasas. END