NFREG 97 fs/nfs/nfs3xdr.c { S_IFREG, NFREG }, NFREG 530 fs/nfs/nfs4xdr.c { S_IFREG, NFREG }, NFREG 28 fs/nfsd/nfsxdr.c NFREG, NFBAD, NFLNK, NFBAD,