[SCSI] libiscsi: Added support to show targetalias in sysfs

sysfs patch to view target alias:
  /sys/class/iscsi_session/session*/targetalias

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, 6 insertions, 0 deletions

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 143bbe448bec..00592e3bb375 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -2807,6 +2807,7 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session)
         kfree(session->username);
         kfree(session->username_in);
         kfree(session->targetname);
+        kfree(session->targetalias);
         kfree(session->initiatorname);
         kfree(session->ifacename);
 
@@ -3233,6 +3234,8 @@ int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
                 return iscsi_switch_str_param(&session->password_in, buf);
         case ISCSI_PARAM_TARGET_NAME:
                 return iscsi_switch_str_param(&session->targetname, buf);
+        case ISCSI_PARAM_TARGET_ALIAS:
+                return iscsi_switch_str_param(&session->targetalias, buf);
         case ISCSI_PARAM_TPGT:
                 sscanf(buf, "%d", &session->tpgt);
                 break;
@@ -3299,6 +3302,9 @@ int iscsi_session_get_param(struct iscsi_cls_session *cls_session,
         case ISCSI_PARAM_TARGET_NAME:
                 len = sprintf(buf, "%s\n", session->targetname);
                 break;
+        case ISCSI_PARAM_TARGET_ALIAS:
+                len = sprintf(buf, "%s\n", session->targetalias);
+                break;
         case ISCSI_PARAM_TPGT:
                 len = sprintf(buf, "%d\n", session->tpgt);
                 break;