tcm_qla2xxx: Expose per endpoint dynamic_sessions attribute

This patch exposes a new ../qla2xxx*/$WWPN/$TPGT/dynamic_sessions
attribute to dump the currently active sessions by FC initiator WWPN
that have been created with dynamically generated se_node_acls.

This information is useful so that user-space can optionally perform
dynamic -> explicit NodeACL conversion based on $INITIATOR_WWPN.

Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 99f43b7fc9ab74256d6f22f17e3c6d75c6e5fcdb..c4f66f5745a885a0113ffb48f3ef45f7e26ac063 100644 (file)
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -1082,8 +1082,18 @@ static ssize_t tcm_qla2xxx_tpg_store_enable(
 
 TF_TPG_BASE_ATTR(tcm_qla2xxx, enable, S_IRUGO | S_IWUSR);
 
+static ssize_t tcm_qla2xxx_tpg_show_dynamic_sessions(
+       struct se_portal_group *se_tpg,
+       char *page)
+{
+       return target_show_dynamic_sessions(se_tpg, page);
+}
+
+TF_TPG_BASE_ATTR_RO(tcm_qla2xxx, dynamic_sessions);
+
 static struct configfs_attribute *tcm_qla2xxx_tpg_attrs[] = {
        &tcm_qla2xxx_tpg_enable.attr,
+       &tcm_qla2xxx_tpg_dynamic_sessions.attr,
        NULL,
 };