/* If no credential was found returned NFS_IOC_NO_CRED_FLAG in the flags field. */
#define NFS_IOC_NO_CRED_FLAG 1 /* No credential was found */
+#define NFS_IOC_INVALID_CRED_FLAG 2 /* Found a credential, but its not valid */
#define NFS_IOC_SET_CRED _IOW('n', 2, struct nfs_gss_principal)
#define NFS_FSCTL_SET_CRED IOCBASECMD(NFS_IOC_SET_CRED)