Delayed operations cannot return error codes.  So we must check for
these conditions first before starting set or remove operations
Signed-off-by: NAllison Collins <allison.henderson@oracle.com>
Reviewed-by: NDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: NBrian Foster <bfoster@redhat.com>
Signed-off-by: NDarrick J. Wong <darrick.wong@oracle.com>
Acked-by: NDave Chinner <dchinner@redhat.com>