From: Tejun Heo <htejun@gmail.com>
Date: Wed, 31 May 2006 09:27:40 +0000 (+0900)
Subject: [PATCH] libata-hp-prep: store attached SCSI device
X-Git-Tag: v2.6.18-rc1~1079^2~62
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3edebac41bab7e146578ad9e723ee7fff71c99c0;p=pandora-kernel.git

[PATCH] libata-hp-prep: store attached SCSI device

Add device persistent field dev->sdev and store the attached SCSI
device.  With hotplug, libata needs to know the attached SCSI device
to offline and detach it, but scsi_device_lookup() cannot be used
because libata will reuse SCSI ID numbers - dead but not gone devices
(due to zombie opens, etc...) interfere with the lookup.

dev->sdev doesn't hold reference to the SCSI device.  It's cleared
when the SCSI device goes away.

Signed-off-by: Tejun Heo <htejun@gmail.com>
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