RDS: Rename data op members prefix from m_ to op_

For consistency.

Signed-off-by: Andy Grover <andy.grover@oracle.com>
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 76eeb59..d702849 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -339,9 +339,9 @@
 		} rdma;
 		struct rm_data_op {
 			unsigned int		op_active:1;
-			unsigned int		m_nents;
-			unsigned int		m_count;
-			struct scatterlist	*m_sg;
+			unsigned int		op_nents;
+			unsigned int		op_count;
+			struct scatterlist	*op_sg;
 		} data;
 	};
 	unsigned int		m_used_sgs;