[SCSI] scsi_transport_sas: add expander backlink
commita0e1b6ef3b851fe6f1dcc259432e83de79ce5e7f
authorJames Bottomley <James.Bottomley@steeleye.com>
Sun, 9 Jul 2006 17:38:19 +0000 (9 12:38 -0500)
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>
Wed, 12 Jul 2006 13:03:20 +0000 (12 09:03 -0400)
tree4e62bf64d66e2a07cdad6480441a2a443246e3cb
parent631c228cd09bd5b93090fa60bd9803ec14aa0586
[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>
drivers/scsi/scsi_transport_sas.c
include/scsi/scsi_transport_sas.h