[SCSI] iscsi class, iscsi drivers: remove unused iscsi_transport attrs

max_cmd_len and max_conn are not really used. max_cmd_len is
always 16 and can be set by the LLD. max_conn is always one
since we do not support MCS.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

Author: Mike Christie

drivers/infiniband/ulp/iser/iscsi_iser.c

@@ -592,7 +592,6 @@ static struct iscsi_transport iscsi_iser_transport = {
 	.host_template          = &iscsi_iser_sht,
 	.conndata_size		= sizeof(struct iscsi_conn),
 	.max_lun                = ISCSI_ISER_MAX_LUN,
-	.max_cmd_len            = ISCSI_ISER_MAX_CMD_LEN,
 	/* session management */
 	.create_session         = iscsi_iser_session_create,
 	.destroy_session        = iscsi_session_teardown,

drivers/infiniband/ulp/iser/iscsi_iser.h

@@ -96,7 +96,6 @@
 					/* support upto 512KB in one RDMA */
 #define ISCSI_ISER_SG_TABLESIZE         (0x80000 >> SHIFT_4K)
 #define ISCSI_ISER_MAX_LUN		256
-#define ISCSI_ISER_MAX_CMD_LEN		16
 
 /* QP settings */
 /* Maximal bounds on received asynchronous PDUs */

drivers/scsi/iscsi_tcp.c

@@ -1978,8 +1978,6 @@ static struct iscsi_transport iscsi_tcp_transport = {
 				  ISCSI_HOST_NETDEV_NAME,
 	.host_template		= &iscsi_sht,
 	.conndata_size		= sizeof(struct iscsi_conn),
-	.max_conn		= 1,
-	.max_cmd_len		= 16,
 	/* session management */
 	.create_session		= iscsi_tcp_session_create,
 	.destroy_session	= iscsi_tcp_session_destroy,

drivers/scsi/libiscsi.c

@@ -1830,7 +1830,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit,
 	shost->max_id = 1;
 	shost->max_channel = 0;
 	shost->max_lun = iscsit->max_lun;
-	shost->max_cmd_len = iscsit->max_cmd_len;
+	shost->max_cmd_len = 16;
 	shost->transportt = scsit;
 	shost->transportt->create_work_queue = 1;
 	shost->transportt->eh_timed_out = iscsi_eh_cmd_timed_out;

drivers/scsi/scsi_transport_iscsi.c

@@ -102,15 +102,11 @@ static DEVICE_ATTR(name, S_IRUGO, show_transport_##name, NULL);
 
 show_transport_attr(caps, "0x%x");
 show_transport_attr(max_lun, "%d");
-show_transport_attr(max_conn, "%d");
-show_transport_attr(max_cmd_len, "%d");
 
 static struct attribute *iscsi_transport_attrs[] = {
 	&dev_attr_handle.attr,
 	&dev_attr_caps.attr,
 	&dev_attr_max_lun.attr,
-	&dev_attr_max_conn.attr,
-	&dev_attr_max_cmd_len.attr,
 	NULL,
 };
 

include/scsi/scsi_transport_iscsi.h

@@ -89,8 +89,6 @@ struct iscsi_transport {
 	/* LLD session data size */
 	int sessiondata_size;
 	int max_lun;
-	unsigned int max_conn;
-	unsigned int max_cmd_len;
 	struct iscsi_cls_session *(*create_session) (struct iscsi_transport *it,
 		struct scsi_transport_template *t, struct Scsi_Host *shost,
 		uint16_t cmds_max, uint16_t qdepth, uint32_t sn, uint32_t *hn);