[SCSI] libiscsi: do not block session during logout

There is not need to block the session during logout. Since
we are going to fail the commands that were blocked just fail them
immediately instead.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 7ff6199..b8d97bd 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -176,6 +176,7 @@
 #define ISCSI_STATE_TERMINATE		4
 #define ISCSI_STATE_IN_RECOVERY		5
 #define ISCSI_STATE_RECOVERY_FAILED	6
+#define ISCSI_STATE_LOGGING_OUT		7
 
 struct iscsi_cls_session {
 	struct list_head sess_list;		/* item in session_list */