prov/efa: Update help message for inter_min_read_write_size

The env inter_min_read_write_size only applies to emulated write path.
If the efa device supports RDMA write, device RDMA write will always be used.

Signed-off-by: Shi Jin <sjina@amazon.com>

prov/efa/src/efa_env.c

@@ -216,7 +216,7 @@ void efa_env_define()
 	fi_param_define(&efa_prov, "inter_max_gdrcopy_message_size", FI_PARAM_INT,
 			"The maximum message size to use gdrcopy. If instance support gdrcopy, messages whose size is smaller than this value will be sent by eager/longcts protocol (Default 32768).");
 	fi_param_define(&efa_prov, "inter_min_read_write_size", FI_PARAM_INT,
-			"The mimimum message size for inter EFA write to use read write protocol. If firmware support RDMA read, and FI_EFA_USE_DEVICE_RDMA is 1, write requests whose size is larger than this value will use the read write protocol (Default 65536).");
+			"The mimimum message size for inter EFA write to use read write protocol. If firmware support RDMA read, and FI_EFA_USE_DEVICE_RDMA is 1, write requests whose size is larger than this value will use the read write protocol (Default 65536). If the efa device supports RDMA write, device RDMA write will always be used.");
 	fi_param_define(&efa_prov, "inter_read_segment_size", FI_PARAM_INT,
 			"Calls to RDMA read is segmented using this value.");
 	fi_param_define(&efa_prov, "fork_safe", FI_PARAM_BOOL,