hammer_direntry_namekey
int64_t hammer_direntry_namekey(hammer_inode_t dip, const void *name, int len,
namekey = hammer_direntry_namekey(dip, name, namelen, &dummy);
record->leaf.base.key = hammer_direntry_namekey(dip, name, bytes,
namekey = hammer_direntry_namekey(dip, ncp->nc_name, nlen,
namekey = hammer_direntry_namekey(fdip, fncp->nc_name, fncp->nc_nlen,
namekey = hammer_direntry_namekey(dip, ncp->nc_name, ncp->nc_nlen,