nfs4_recoverydir
strlen(nfs4_recoverydir()) + 1;
nfs4_recoverydir());
strlen(nfs4_recoverydir()) + 1 + HEXDIR_LEN;
nfs4_recoverydir());
status = kern_path(nfs4_recoverydir(), LOOKUP_FOLLOW, &path);
nfs4_recoverydir());
char * nfs4_recoverydir(void);