nfs4_label_alloc
fattr->label = nfs4_label_alloc(server, GFP_KERNEL);
EXPORT_SYMBOL_GPL(nfs4_label_alloc);
extern struct nfs4_label *nfs4_label_alloc(struct nfs_server *server, gfp_t flags);
p->f_attr.label = nfs4_label_alloc(server, gfp_mask);
p->a_label = nfs4_label_alloc(server, gfp_mask);
data->fattr.label = nfs4_label_alloc(server, GFP_KERNEL);