Commit bf32ed33 authored by Mike Christie's avatar Mike Christie Committed by James Bottomley
Browse files

[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: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 05db888a

drivers/infiniband/ulp/iser/iser_initiator.c

+1 −1
Original line number Diff line number Diff line
@@ -201,7 +201,7 @@ static int iser_post_receive_control(struct iscsi_conn *conn) 
	 * what's common for both schemes is that the connection is not started

	 */

	if (conn->c_stage != ISCSI_CONN_STARTED)

		rx_data_size = DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH;

		rx_data_size = ISCSI_DEF_MAX_RECV_SEG_LEN;

	else /* FIXME till user space sets conn->max_recv_dlength correctly */

		rx_data_size = 128;

drivers/scsi/iscsi_tcp.c

+3 −3
Original line number Diff line number Diff line
@@ -527,12 +527,12 @@ iscsi_tcp_hdr_recv(struct iscsi_conn *conn) 
		 * 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 @@ iscsi_tcp_conn_create(struct iscsi_cls_session *cls_session, uint32_t conn_idx) 
	 * 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)

drivers/scsi/libiscsi.c

+1 −1
Original line number Diff line number Diff line
@@ -1520,7 +1520,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, uint32_t conn_idx) 
	}

	spin_unlock_bh(&session->lock);



	data = kmalloc(DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH, GFP_KERNEL);

	data = kmalloc(ISCSI_DEF_MAX_RECV_SEG_LEN, GFP_KERNEL);

	if (!data)

		goto login_mtask_data_alloc_fail;

	conn->login_mtask->data = conn->data = data;

include/scsi/iscsi_proto.h

+11 −1
Original line number Diff line number Diff line
@@ -588,7 +588,17 @@ struct iscsi_reject { 
#define VALUE_MAXLEN		255

#define TARGET_NAME_MAXLEN	VALUE_MAXLEN



#define DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH	8192

#define ISCSI_DEF_MAX_RECV_SEG_LEN		8192

#define ISCSI_MIN_MAX_RECV_SEG_LEN		512

#define ISCSI_MAX_MAX_RECV_SEG_LEN		16777215



#define ISCSI_DEF_FIRST_BURST_LEN		65536

#define ISCSI_MIN_FIRST_BURST_LEN		512

#define ISCSI_MAX_FIRST_BURST_LEN		16777215



#define ISCSI_DEF_MAX_BURST_LEN			262144

#define ISCSI_MIN_MAX_BURST_LEN			512

#define ISCSI_MAX_MAX_BURST_LEN			16777215



/************************* RFC 3720 End *****************************/