[SCSI] scsi_transport_iscsi: Added support to update mtu

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index b85f8a4b8962..b3a2515386f8 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -323,6 +323,7 @@ iscsi_iface_net_attr(iface, enabled, ISCSI_NET_PARAM_IFACE_ENABLE);
 iscsi_iface_net_attr(iface, vlan, ISCSI_NET_PARAM_VLAN_ID);
 iscsi_iface_net_attr(iface, vlan_priority, ISCSI_NET_PARAM_VLAN_PRIORITY);
 iscsi_iface_net_attr(iface, vlan_enabled, ISCSI_NET_PARAM_VLAN_ENABLED);
+iscsi_iface_net_attr(iface, mtu, ISCSI_NET_PARAM_MTU);
 
 static mode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
                                           struct attribute *attr, int i)
@@ -340,6 +341,8 @@ static mode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
                 param = ISCSI_NET_PARAM_VLAN_PRIORITY;
         else if (attr == &dev_attr_iface_vlan_enabled.attr)
                 param = ISCSI_NET_PARAM_VLAN_ENABLED;
+        else if (attr == &dev_attr_iface_mtu.attr)
+                param = ISCSI_NET_PARAM_MTU;
         else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
                 if (attr == &dev_attr_ipv4_iface_ipaddress.attr)
                         param = ISCSI_NET_PARAM_IPV4_ADDR;
@@ -386,6 +389,7 @@ static struct attribute *iscsi_iface_attrs[] = {
         &dev_attr_ipv6_iface_router_addr.attr,
         &dev_attr_ipv6_iface_ipaddr_autocfg.attr,
         &dev_attr_ipv6_iface_linklocal_autocfg.attr,
+        &dev_attr_iface_mtu.attr,
         NULL,
 };