NFS_MNT_VERSION 450 fs/nfs/nfsroot.c mountd_ver = NFS_MNT_VERSION; NFS_MNT_VERSION 492 fs/nfs/nfsroot.c NFS_MNT3_VERSION : NFS_MNT_VERSION; NFS_MNT_VERSION 1136 fs/nfs/super.c option < NFS_MNT_VERSION || NFS_MNT_VERSION 1314 fs/nfs/super.c args->mount_server.version = NFS_MNT_VERSION;