[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>

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 143bbe448bec6b7e4a22f52eeb3c718c64815473..00592e3bb375e069332208e45563ae8c825179ef 100644 (file)
--- 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;

diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index cedcff371c88d7d888920340c2757b0d75696926..2e42e9a0e0b6e04ec78a7b626b66492091bebfbc 100644 (file)
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -284,6 +284,7 @@ struct iscsi_session {
        char                    *password;
        char                    *password_in;
        char                    *targetname;
+       char                    *targetalias;
        char                    *ifacename;
        char                    *initiatorname;
        /* control data */