DNODE_FIND_BACKWARDS
DNODE_FIND_BACKWARDS, start, 2, 1, 0);
inc = (flags & DNODE_FIND_BACKWARDS) ? -1 : 1;
ASSERT(!(flags & DNODE_FIND_BACKWARDS));
minlvl == 1 && blkfill == 1 && !(flags & DNODE_FIND_BACKWARDS)) {
if (error == 0 && (flags & DNODE_FIND_BACKWARDS ?