L2DBWORD
word = dbitno >> L2DBWORD;
nwords = rembits >> L2DBWORD;
nb = nwords << L2DBWORD;
word = (blkno & (BPERDMAP - 1)) >> L2DBWORD;
blkno = le64_to_cpu(dp->start) + (word << L2DBWORD);
blkno = le64_to_cpu(dp->start) + (leafidx << L2DBWORD);
word = (blkno & (BPERDMAP - 1)) >> L2DBWORD;
word = dbitno >> L2DBWORD;
nwords = rembits >> L2DBWORD;
nb = nwords << L2DBWORD;
word = dbitno >> L2DBWORD;
nwords = rembits >> L2DBWORD;
nb = nwords << L2DBWORD;
word = dbitno >> L2DBWORD;
nwords = rembits >> L2DBWORD;
nb = nwords << L2DBWORD;
w = blkno >> L2DBWORD;
nw = r >> L2DBWORD;
nb = nw << L2DBWORD;
w = blkno >> L2DBWORD;
word = dbitno >> L2DBWORD;
nwords = rbits >> L2DBWORD;
nbits = nwords << L2DBWORD;
#define BUDMIN L2DBWORD /* max free string in a map word */