[SCSI] iscsi: rename DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH

This patch renames DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH to avoid
confusion with the drivers default values (DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH
is the iscsi RFC specific default).

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 8f55e14..6fd0845 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -527,12 +527,12 @@
 		 * than 8K, but there are no targets that currently do this.
 		 * For now we fail until we find a vendor that needs it
 		 */
-		if (DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH <
+		if (ISCSI_DEF_MAX_RECV_SEG_LEN <
 		    tcp_conn->in.datalen) {
 			printk(KERN_ERR "iscsi_tcp: received buffer of len %u "
 			      "but conn buffer is only %u (opcode %0x)\n",
 			      tcp_conn->in.datalen,
-			      DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH, opcode);
+			      ISCSI_DEF_MAX_RECV_SEG_LEN, opcode);
 			rc = ISCSI_ERR_PROTO;
 			break;
 		}
@@ -1762,7 +1762,7 @@
 	 * due to strange issues with iser these are not set
 	 * in iscsi_conn_setup
 	 */
-	conn->max_recv_dlength = DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH;
+	conn->max_recv_dlength = ISCSI_DEF_MAX_RECV_SEG_LEN;
 
 	tcp_conn = kzalloc(sizeof(*tcp_conn), GFP_KERNEL);
 	if (!tcp_conn)