nfs4_xattr_get_cache
cache = nfs4_xattr_get_cache(inode, 0);
cache = nfs4_xattr_get_cache(inode, 0);
cache = nfs4_xattr_get_cache(inode, 1);
cache = nfs4_xattr_get_cache(inode, 0);
cache = nfs4_xattr_get_cache(inode, 1);