nfs_v2 10 fs/nfs/nfs2super.c static struct nfs_subversion nfs_v2 = { nfs_v2 20 fs/nfs/nfs2super.c register_nfs_version(&nfs_v2); nfs_v2 26 fs/nfs/nfs2super.c unregister_nfs_version(&nfs_v2);