tree 4e62bf64d66e2a07cdad6480441a2a443246e3cb
parent 631c228cd09bd5b93090fa60bd9803ec14aa0586
author James Bottomley <James.Bottomley@steeleye.com> 1152466699 -0500
committer James Bottomley <jejb@mulgrave.il.steeleye.com> 1152709400 -0400

[SCSI] scsi_transport_sas: add expander backlink

This patch adds the ability to add a backlink to a particular port.  The
idea is to represent properly ports on expanders that are used
specifically for linking to the parent device in the topology.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>